Auto merge of #6387 - dwijnand:rust-2018, r=dwijnand

Upgrade to Rust 2018 & fix edition idioms

None

.travis.yml

@@ -36,7 +36,7 @@ matrix:
     # increased every 6 weeks or so when the first PR to use a new feature.
     - env: TARGET=x86_64-unknown-linux-gnu
            ALT=i686-unknown-linux-gnu
-      rust: 1.28.0
+      rust: 1.31.0
       script:
         - rustup toolchain install nightly
         - cargo +nightly generate-lockfile -Z minimal-versions

Cargo.toml

@@ -1,6 +1,7 @@
 [package]
 name = "cargo"
 version = "0.33.0"
+edition = "2018"
 authors = ["Yehuda Katz <wycats@gmail.com>",
            "Carl Lerche <me@carllerche.com>",
            "Alex Crichton <alex@alexcrichton.com>"]

appveyor.yml

@@ -11,7 +11,7 @@ install:
   - appveyor-retry appveyor DownloadFile https://win.rustup.rs/ -FileName rustup-init.exe
   - rustup-init.exe -y --default-host x86_64-pc-windows-msvc --default-toolchain nightly
   - set PATH=%PATH%;C:\Users\appveyor\.cargo\bin
-  - if defined MINIMAL_VERSIONS rustup toolchain install 1.28.0
+  - if defined MINIMAL_VERSIONS rustup toolchain install 1.31.0
   - if defined OTHER_TARGET rustup target add %OTHER_TARGET%
   - rustc -V
   - cargo -V
@@ -25,5 +25,5 @@ test_script:
   # we don't have ci time to run the full `cargo test` with `minimal-versions` like
   # - if defined MINIMAL_VERSIONS cargo +nightly generate-lockfile -Z minimal-versions && cargo +stable test
   # so we just run `cargo check --tests` like
-  - if defined MINIMAL_VERSIONS cargo +nightly generate-lockfile -Z minimal-versions && cargo +1.28.0 check --tests
+  - if defined MINIMAL_VERSIONS cargo +nightly generate-lockfile -Z minimal-versions && cargo +1.31.0 check --tests
   - if NOT defined MINIMAL_VERSIONS cargo test

src/bin/cargo/cli.rs

@@ -1,4 +1,4 @@
-extern crate clap;
+use clap;
 
 use clap::{AppSettings, Arg, ArgMatches};
 
@@ -6,7 +6,7 @@ use cargo::{self, CliResult, Config};
 
 use super::commands;
 use super::list_commands;
-use command_prelude::*;
+use crate::command_prelude::*;
 
 pub fn main(config: &mut Config) -> CliResult {
     let args = match cli().get_matches_safe() {
@@ -132,7 +132,7 @@ fn expand_aliases(
     Ok(args)
 }
 
-fn execute_subcommand(config: &mut Config, args: &ArgMatches) -> CliResult {
+fn execute_subcommand(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let (cmd, subcommand_args) = match args.subcommand() {
         (cmd, Some(args)) => (cmd, args),
         _ => {

src/bin/cargo/commands/bench.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, TestOptions};
 
@@ -70,7 +70,7 @@ Compilation can be customized with the `bench` profile in the manifest.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let mut compile_opts = args.compile_options(config, CompileMode::Bench)?;
     compile_opts.build_config.release = true;

src/bin/cargo/commands/build.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -46,7 +46,7 @@ the --release flag will use the `release` profile instead.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let mut compile_opts = args.compile_options(config, CompileMode::Build)?;
     compile_opts.export_dir = args.value_of_path("out-dir", config);

src/bin/cargo/commands/check.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -53,7 +53,7 @@ The `--profile test` flag can be used to check unit tests with the
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let test = match args.value_of("profile") {
         Some("test") => true,

src/bin/cargo/commands/clean.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, CleanOptions};
 
@@ -21,7 +21,7 @@ and its format, see the `cargo help pkgid` command.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let opts = CleanOptions {
         config,

src/bin/cargo/commands/doc.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, DocOptions};
 
@@ -45,7 +45,7 @@ the `cargo help pkgid` command.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let mode = CompileMode::Doc {
         deps: !args.is_present("no-deps"),

src/bin/cargo/commands/fetch.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 use cargo::ops::FetchOptions;
@@ -22,7 +22,7 @@ all updated.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
 
     let opts = FetchOptions {

src/bin/cargo/commands/fix.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, CompileFilter, FilterRule};
 
@@ -104,7 +104,7 @@ https://github.com/rust-lang/cargo
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let test = match args.value_of("profile") {
         Some("test") => true,

src/bin/cargo/commands/generate_lockfile.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -8,7 +8,7 @@ pub fn cli() -> App {
         .arg_manifest_path()
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     ops::generate_lockfile(&ws)?;
     Ok(())

src/bin/cargo/commands/git_checkout.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::core::{GitReference, Source, SourceId};
 use cargo::sources::GitSource;
@@ -21,7 +21,7 @@ pub fn cli() -> App {
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let url = args.value_of("url").unwrap().to_url()?;
     let reference = args.value_of("reference").unwrap();
 

src/bin/cargo/commands/init.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -10,7 +10,7 @@ pub fn cli() -> App {
         .arg_new_opts()
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let opts = args.new_options(config)?;
     ops::init(&opts, config)?;
     config

src/bin/cargo/commands/install.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::core::{GitReference, SourceId};
 use cargo::ops;
@@ -74,7 +74,7 @@ continuous integration systems.",
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let registry = args.registry(config)?;
 
     config.reload_rooted_at_cargo_home()?;

src/bin/cargo/commands/locate_project.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::print_json;
 
@@ -13,7 +13,7 @@ pub struct ProjectLocation<'a> {
     root: &'a str,
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let root = args.root_manifest(config)?;
 
     let root = root.to_str()

src/bin/cargo/commands/login.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use std::io::{self, BufRead};
 
@@ -18,7 +18,7 @@ pub fn cli() -> App {
         .arg(opt("registry", "Registry to use").value_name("REGISTRY"))
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let registry = args.registry(config)?;
 
     let token = match args.value_of("token") {

src/bin/cargo/commands/metadata.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, OutputMetadataOptions};
 use cargo::print_json;
@@ -24,7 +24,7 @@ pub fn cli() -> App {
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
 
     let version = match args.value_of("format-version") {

src/bin/cargo/commands/mod.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 pub fn builtin() -> Vec<App> {
     vec![
@@ -35,7 +35,7 @@ pub fn builtin() -> Vec<App> {
     ]
 }
 
- pub fn builtin_exec(cmd: &str) -> Option<fn(&mut Config, &ArgMatches) -> CliResult> {
+ pub fn builtin_exec(cmd: &str) -> Option<fn(&mut Config, &ArgMatches<'_>) -> CliResult> {
      let f = match cmd {
         "bench" => bench::exec,
         "build" => build::exec,

src/bin/cargo/commands/new.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -10,7 +10,7 @@ pub fn cli() -> App {
         .arg_new_opts()
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let opts = args.new_options(config)?;
 
     ops::new(&opts, config)?;

src/bin/cargo/commands/owner.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, OwnersOptions};
 
@@ -28,7 +28,7 @@ Explicitly named owners can also modify the set of owners, so take care!
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let registry = args.registry(config)?;
     let opts = OwnersOptions {
         krate: args.value_of("crate").map(|s| s.to_string()),

src/bin/cargo/commands/package.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, PackageOpts};
 
@@ -29,7 +29,7 @@ pub fn cli() -> App {
         .arg_jobs()
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     ops::package(
         &ws,

src/bin/cargo/commands/pkgid.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -32,7 +32,7 @@ Example Package IDs
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let spec = args.value_of("spec").or_else(|| args.value_of("package"));
     let spec = ops::pkgid(&ws, spec)?;

src/bin/cargo/commands/publish.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, PublishOpts};
 
@@ -23,7 +23,7 @@ pub fn cli() -> App {
         .arg(opt("registry", "Registry to publish to").value_name("REGISTRY"))
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let registry = args.registry(config)?;
     let ws = args.workspace(config)?;
     let index = args.index(config)?;

src/bin/cargo/commands/read_manifest.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::print_json;
 
@@ -14,7 +14,7 @@ Deprecated, use `cargo metadata --no-deps` instead.\
         .arg_manifest_path()
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     print_json(&ws.current()?);
     Ok(())

src/bin/cargo/commands/run.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::core::Verbosity;
 use cargo::ops::{self, CompileFilter};
@@ -36,7 +36,7 @@ run. If you're passing arguments to both Cargo and the binary, the ones after
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
 
     let mut compile_opts = args.compile_options(config, CompileMode::Build)?;

src/bin/cargo/commands/rustc.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -46,7 +46,7 @@ processes spawned by Cargo, use the $RUSTFLAGS environment variable or the
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let mode = match args.value_of("profile") {
         Some("dev") | None => CompileMode::Build,

src/bin/cargo/commands/rustdoc.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, DocOptions};
 
@@ -48,7 +48,7 @@ the `cargo help pkgid` command.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
     let mut compile_opts =
         args.compile_options_for_single_package(config, CompileMode::Doc { deps: false })?;

src/bin/cargo/commands/search.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use std::cmp::min;
 
@@ -18,7 +18,7 @@ pub fn cli() -> App {
         .arg(opt("registry", "Registry to use").value_name("REGISTRY"))
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let registry = args.registry(config)?;
     let index = args.index(config)?;
     let limit = args.value_of_u32("limit")?;

src/bin/cargo/commands/test.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, CompileFilter};
 
@@ -89,7 +89,7 @@ To get the list of all options available for the test binaries use this:
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
 
     let mut compile_opts = args.compile_options(config, CompileMode::Test)?;

src/bin/cargo/commands/uninstall.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -19,7 +19,7 @@ only uninstall particular binaries.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let root = args.value_of("root");
     let specs = args
         .values_of("spec")

src/bin/cargo/commands/update.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops::{self, UpdateOptions};
 
@@ -37,7 +37,7 @@ For more information about package id specifications, see `cargo help pkgid`.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let ws = args.workspace(config)?;
 
     let update_opts = UpdateOptions {

src/bin/cargo/commands/verify_project.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use std::collections::HashMap;
 use std::process;
@@ -11,7 +11,7 @@ pub fn cli() -> App {
         .arg_manifest_path()
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     fn fail(reason: &str, value: &str) -> ! {
         let mut h = HashMap::new();
         h.insert(reason.to_string(), value.to_string());

src/bin/cargo/commands/version.rs

@@ -1,12 +1,12 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
-use cli;
+use crate::cli;
 
 pub fn cli() -> App {
     subcommand("version").about("Show version information")
 }
 
-pub fn exec(_config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(_config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let verbose = args.occurrences_of("verbose") > 0;
     let version = cli::get_version_string(verbose);
     print!("{}", version);

src/bin/cargo/commands/yank.rs

@@ -1,4 +1,4 @@
-use command_prelude::*;
+use crate::command_prelude::*;
 
 use cargo::ops;
 
@@ -27,7 +27,7 @@ crates to be locked to any yanked version.
         )
 }
 
-pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
+pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let registry = args.registry(config)?;
 
     ops::yank(

src/bin/cargo/main.rs

@@ -1,20 +1,20 @@
 #![cfg_attr(feature = "cargo-clippy", allow(clippy::too_many_arguments))] // large project
 #![cfg_attr(feature = "cargo-clippy", allow(clippy::redundant_closure))]  // there's a false positive
 
-extern crate cargo;
-extern crate clap;
+use cargo;
+
 #[cfg(feature = "pretty-env-logger")]
 extern crate pretty_env_logger;
 #[cfg(not(feature = "pretty-env-logger"))]
 extern crate env_logger;
 #[macro_use]
 extern crate failure;
-extern crate git2_curl;
-extern crate log;
+use git2_curl;
+
 #[macro_use]
 extern crate serde_derive;
-extern crate serde_json;
-extern crate toml;
+
+
 
 use std::collections::BTreeSet;
 use std::env;
@@ -28,7 +28,7 @@ use cargo::util::{CliError, ProcessError};
 mod cli;
 mod commands;
 
-use command_prelude::*;
+use crate::command_prelude::*;
 
 fn main() {
     #[cfg(feature = "pretty-env-logger")]

src/cargo/core/compiler/build_config.rs

@@ -3,7 +3,7 @@ use std::path::Path;
 
 use serde::ser;
 
-use util::{CargoResult, CargoResultExt, Config, RustfixDiagnosticServer};
+use crate::util::{CargoResult, CargoResultExt, Config, RustfixDiagnosticServer};
 
 /// Configuration information for a rustc build.
 #[derive(Debug)]

src/cargo/core/compiler/build_context/mod.rs

@@ -3,11 +3,11 @@ use std::env;
 use std::path::{Path, PathBuf};
 use std::str;
 
-use core::profiles::Profiles;
-use core::{Dependency, Workspace};
-use core::{PackageId, PackageSet, Resolve};
-use util::errors::CargoResult;
-use util::{profile, Cfg, CfgExpr, Config, Rustc};
+use crate::core::profiles::Profiles;
+use crate::core::{Dependency, Workspace};
+use crate::core::{PackageId, PackageSet, Resolve};
+use crate::util::errors::CargoResult;
+use crate::util::{profile, Cfg, CfgExpr, Config, Rustc};
 
 use super::{BuildConfig, BuildOutput, Kind, Unit};
 

src/cargo/core/compiler/build_context/target_info.rs

@@ -5,8 +5,8 @@ use std::str::{self, FromStr};
 
 use super::env_args;
 use super::Kind;
-use core::TargetKind;
-use util::{CargoResult, CargoResultExt, Cfg, Config, ProcessBuilder, Rustc};
+use crate::core::TargetKind;
+use crate::util::{CargoResult, CargoResultExt, Cfg, Config, ProcessBuilder, Rustc};
 
 #[derive(Clone)]
 pub struct TargetInfo {

src/cargo/core/compiler/build_plan.rs

@@ -10,11 +10,11 @@ use std::collections::BTreeMap;
 
 use super::context::OutputFile;
 use super::{CompileMode, Context, Kind, Unit};
-use core::TargetKind;
+use crate::core::TargetKind;
 use semver;
 use serde_json;
 use std::path::PathBuf;
-use util::{internal, CargoResult, ProcessBuilder};
+use crate::util::{internal, CargoResult, ProcessBuilder};
 
 #[derive(Debug, Serialize)]
 struct Invocation {

src/cargo/core/compiler/compilation.rs

@@ -6,8 +6,8 @@ use std::path::PathBuf;
 use semver::Version;
 
 use super::BuildContext;
-use core::{Edition, Package, PackageId, Target, TargetKind};
-use util::{self, join_paths, process, CargoResult, CfgExpr, Config, ProcessBuilder};
+use crate::core::{Edition, Package, PackageId, Target, TargetKind};
+use crate::util::{self, join_paths, process, CargoResult, CfgExpr, Config, ProcessBuilder};
 
 pub struct Doctest {
     /// The package being doctested.
@@ -205,7 +205,7 @@ impl<'cfg> Compilation<'cfg> {
         let metadata = pkg.manifest().metadata();
 
         let cargo_exe = self.config.cargo_exe()?;
-        cmd.env(::CARGO_ENV, cargo_exe);
+        cmd.env(crate::CARGO_ENV, cargo_exe);
 
         // When adding new environment variables depending on
         // crate properties which might require rebuild upon change

src/cargo/core/compiler/context/compilation_files.rs

@@ -8,8 +8,8 @@ use std::sync::Arc;
 use lazycell::LazyCell;
 
 use super::{BuildContext, Context, FileFlavor, Kind, Layout, Unit};
-use core::{TargetKind, Workspace};
-use util::{self, CargoResult};
+use crate::core::{TargetKind, Workspace};
+use crate::util::{self, CargoResult};
 
 #[derive(Clone, Hash, Eq, PartialEq, Ord, PartialOrd)]
 pub struct Metadata(u64);

src/cargo/core/compiler/context/mod.rs

@@ -7,11 +7,11 @@ use std::sync::Arc;
 
 use jobserver::Client;
 
-use core::compiler::compilation;
-use core::profiles::Profile;
-use core::{Package, PackageId, Resolve, Target};
-use util::errors::{CargoResult, CargoResultExt};
-use util::{internal, profile, short_hash, Config};
+use crate::core::compiler::compilation;
+use crate::core::profiles::Profile;
+use crate::core::{Package, PackageId, Resolve, Target};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::{internal, profile, short_hash, Config};
 
 use super::build_plan::BuildPlan;
 use super::custom_build::{self, BuildDeps, BuildScripts, BuildState};
@@ -514,7 +514,7 @@ impl<'a, 'cfg> Context<'a, 'cfg> {
                     Second unit: {:?}",
                     describe_collision(unit, other_unit, path),
                     suggestion,
-                    ::version(), self.bcx.host_triple(), self.bcx.target_triple(),
+                    crate::version(), self.bcx.host_triple(), self.bcx.target_triple(),
                     unit, other_unit))
             }
         };

src/cargo/core/compiler/context/unit_dependencies.rs

@@ -19,11 +19,11 @@ use std::cell::RefCell;
 use std::collections::{HashMap, HashSet};
 
 use super::{BuildContext, CompileMode, Kind, Unit};
-use core::dependency::Kind as DepKind;
-use core::package::Downloads;
-use core::profiles::UnitFor;
-use core::{Package, PackageId, Target};
-use CargoResult;
+use crate::core::dependency::Kind as DepKind;
+use crate::core::package::Downloads;
+use crate::core::profiles::UnitFor;
+use crate::core::{Package, PackageId, Target};
+use crate::CargoResult;
 
 struct State<'a: 'tmp, 'cfg: 'a, 'tmp> {
     bcx: &'tmp BuildContext<'a, 'cfg>,

src/cargo/core/compiler/custom_build.rs

@@ -5,11 +5,11 @@ use std::path::{Path, PathBuf};
 use std::str;
 use std::sync::{Arc, Mutex};
 
-use core::PackageId;
-use util::errors::{CargoResult, CargoResultExt};
-use util::machine_message;
-use util::{self, internal, paths, profile};
-use util::{Cfg, Freshness};
+use crate::core::PackageId;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::machine_message;
+use crate::util::{self, internal, paths, profile};
+use crate::util::{Cfg, Freshness};
 
 use super::job::Work;
 use super::{fingerprint, Context, Kind, TargetConfig, Unit};

src/cargo/core/compiler/fingerprint.rs

@@ -9,11 +9,11 @@ use serde::de::{self, Deserialize};
 use serde::ser;
 use serde_json;
 
-use core::{Edition, Package};
-use util;
-use util::errors::{CargoResult, CargoResultExt};
-use util::paths;
-use util::{internal, profile, Dirty, Fresh, Freshness};
+use crate::core::{Edition, Package};
+use crate::util;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::{internal, profile, Dirty, Fresh, Freshness};
 
 use super::custom_build::BuildDeps;
 use super::job::Work;

src/cargo/core/compiler/job.rs

@@ -1,7 +1,7 @@
 use std::fmt;
 
 use super::job_queue::JobState;
-use util::{CargoResult, Dirty, Fresh, Freshness};
+use crate::util::{CargoResult, Dirty, Fresh, Freshness};
 
 pub struct Job {
     dirty: Work,

src/cargo/core/compiler/job_queue.rs

@@ -11,14 +11,14 @@ use crossbeam_utils;
 use crossbeam_utils::thread::Scope;
 use jobserver::{Acquired, HelperThread};
 
-use core::profiles::Profile;
-use core::{PackageId, Target, TargetKind};
-use handle_error;
-use util;
-use util::diagnostic_server::{self, DiagnosticPrinter};
-use util::{internal, profile, CargoResult, CargoResultExt, ProcessBuilder};
-use util::{Config, DependencyQueue, Dirty, Fresh, Freshness};
-use util::{Progress, ProgressStyle};
+use crate::core::profiles::Profile;
+use crate::core::{PackageId, Target, TargetKind};
+use crate::handle_error;
+use crate::util;
+use crate::util::diagnostic_server::{self, DiagnosticPrinter};
+use crate::util::{internal, profile, CargoResult, CargoResultExt, ProcessBuilder};
+use crate::util::{Config, DependencyQueue, Dirty, Fresh, Freshness};
+use crate::util::{Progress, ProgressStyle};
 
 use super::context::OutputFile;
 use super::job::Job;

src/cargo/core/compiler/layout.rs

@@ -53,8 +53,8 @@ use std::fs;
 use std::io;
 use std::path::{Path, PathBuf};
 
-use core::Workspace;
-use util::{CargoResult, Config, FileLock, Filesystem};
+use crate::core::Workspace;
+use crate::util::{CargoResult, Config, FileLock, Filesystem};
 
 /// Contains the paths of all target output locations.
 ///

src/cargo/core/compiler/mod.rs

@@ -9,13 +9,13 @@ use failure::Error;
 use same_file::is_same_file;
 use serde_json;
 
-use core::manifest::TargetSourcePath;
-use core::profiles::{Lto, Profile};
-use core::{PackageId, Target};
-use util::errors::{CargoResult, CargoResultExt, Internal, ProcessError};
-use util::paths;
-use util::{self, machine_message, process, Freshness, ProcessBuilder};
-use util::{internal, join_paths, profile};
+use crate::core::manifest::TargetSourcePath;
+use crate::core::profiles::{Lto, Profile};
+use crate::core::{PackageId, Target};
+use crate::util::errors::{CargoResult, CargoResultExt, Internal, ProcessError};
+use crate::util::paths;
+use crate::util::{self, machine_message, process, Freshness, ProcessBuilder};
+use crate::util::{internal, join_paths, profile};
 
 use self::build_plan::BuildPlan;
 use self::job::{Job, Work};

src/cargo/core/compiler/output_depinfo.rs

@@ -4,8 +4,8 @@ use std::io::{BufWriter, Write};
 use std::path::{Path, PathBuf};
 
 use super::{fingerprint, Context, Unit};
-use util::paths;
-use util::{internal, CargoResult};
+use crate::util::paths;
+use crate::util::{internal, CargoResult};
 
 fn render_filename<P: AsRef<Path>>(path: P, basedir: Option<&str>) -> CargoResult<String> {
     let path = path.as_ref();

src/cargo/core/dependency.rs

@@ -6,10 +6,10 @@ use semver::ReqParseError;
 use semver::VersionReq;
 use serde::ser;
 
-use core::interning::InternedString;
-use core::{PackageId, SourceId, Summary};
-use util::errors::{CargoError, CargoResult, CargoResultExt};
-use util::{Cfg, CfgExpr, Config};
+use crate::core::interning::InternedString;
+use crate::core::{PackageId, SourceId, Summary};
+use crate::util::errors::{CargoError, CargoResult, CargoResultExt};
+use crate::util::{Cfg, CfgExpr, Config};
 
 /// Information about a dependency requested by a Cargo manifest.
 /// Cheap to copy.

src/cargo/core/features.rs

@@ -52,7 +52,7 @@ use std::str::FromStr;
 
 use failure::Error;
 
-use util::errors::CargoResult;
+use crate::util::errors::CargoResult;
 
 /// The edition of the compiler (RFC 2052)
 #[derive(Clone, Copy, Debug, Hash, PartialOrd, Ord, Eq, PartialEq, Serialize, Deserialize)]
@@ -370,7 +370,7 @@ fn channel() -> String {
             return "dev".to_string();
         }
     }
-    ::version()
+    crate::version()
         .cfg_info
         .map(|c| c.release_channel)
         .unwrap_or_else(|| String::from("dev"))

src/cargo/core/manifest.rs

@@ -9,13 +9,13 @@ use serde::ser;
 use toml;
 use url::Url;
 
-use core::interning::InternedString;
-use core::profiles::Profiles;
-use core::{Dependency, PackageId, PackageIdSpec, SourceId, Summary};
-use core::{Edition, Feature, Features, WorkspaceConfig};
-use util::errors::*;
-use util::toml::TomlManifest;
-use util::{short_hash, Config, Filesystem};
+use crate::core::interning::InternedString;
+use crate::core::profiles::Profiles;
+use crate::core::{Dependency, PackageId, PackageIdSpec, SourceId, Summary};
+use crate::core::{Edition, Feature, Features, WorkspaceConfig};
+use crate::util::errors::*;
+use crate::util::toml::TomlManifest;
+use crate::util::{short_hash, Config, Filesystem};
 
 pub enum EitherManifest {
     Real(Manifest),

src/cargo/core/package.rs

@@ -18,14 +18,14 @@ use semver::Version;
 use serde::ser;
 use toml;
 
-use core::interning::InternedString;
-use core::source::MaybePackage;
-use core::{Dependency, Manifest, PackageId, SourceId, Target};
-use core::{FeatureMap, SourceMap, Summary};
-use ops;
-use util::errors::{CargoResult, CargoResultExt, HttpNot200};
-use util::network::Retry;
-use util::{self, internal, lev_distance, Config, Progress, ProgressStyle};
+use crate::core::interning::InternedString;
+use crate::core::source::MaybePackage;
+use crate::core::{Dependency, Manifest, PackageId, SourceId, Target};
+use crate::core::{FeatureMap, SourceMap, Summary};
+use crate::ops;
+use crate::util::errors::{CargoResult, CargoResultExt, HttpNot200};
+use crate::util::network::Retry;
+use crate::util::{self, internal, lev_distance, Config, Progress, ProgressStyle};
 
 /// Information about a package that is available somewhere in the file system.
 ///
@@ -598,7 +598,7 @@ impl<'a, 'cfg> Downloads<'a, 'cfg> {
                 let timed_out = &dl.timed_out;
                 let url = &dl.url;
                 dl.retry
-                    .try(|| {
+                    .r#try(|| {
                         if let Err(e) = result {
                             // If this error is "aborted by callback" then that's
                             // probably because our progress callback aborted due to

src/cargo/core/package_id.rs

@@ -10,9 +10,9 @@ use semver;
 use serde::de;
 use serde::ser;
 
-use core::interning::InternedString;
-use core::source::SourceId;
-use util::{CargoResult, ToSemver};
+use crate::core::interning::InternedString;
+use crate::core::source::SourceId;
+use crate::util::{CargoResult, ToSemver};
 
 lazy_static! {
     static ref PACKAGE_ID_CACHE: Mutex<HashSet<&'static PackageIdInner>> =
@@ -202,9 +202,9 @@ impl fmt::Debug for PackageId {
 #[cfg(test)]
 mod tests {
     use super::PackageId;
-    use core::source::SourceId;
-    use sources::CRATES_IO_INDEX;
-    use util::ToUrl;
+    use crate::core::source::SourceId;
+    use crate::sources::CRATES_IO_INDEX;
+    use crate::util::ToUrl;
 
     #[test]
     fn invalid_version_handled_nicely() {

src/cargo/core/package_id_spec.rs

@@ -5,9 +5,9 @@ use semver::Version;
 use serde::{de, ser};
 use url::Url;
 
-use core::PackageId;
-use util::errors::{CargoResult, CargoResultExt};
-use util::{ToSemver, ToUrl};
+use crate::core::PackageId;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::{ToSemver, ToUrl};
 
 /// Some or all of the data required to identify a package:
 ///
@@ -277,7 +277,7 @@ impl<'de> de::Deserialize<'de> for PackageIdSpec {
 #[cfg(test)]
 mod tests {
     use super::PackageIdSpec;
-    use core::{PackageId, SourceId};
+    use crate::core::{PackageId, SourceId};
     use semver::Version;
     use url::Url;
 

src/cargo/core/profiles.rs

@@ -1,13 +1,13 @@
 use std::collections::HashSet;
 use std::{cmp, fmt, hash};
 
-use core::compiler::CompileMode;
-use core::interning::InternedString;
-use core::{Features, PackageId, PackageIdSpec, PackageSet, Shell};
-use util::errors::CargoResultExt;
-use util::lev_distance::lev_distance;
-use util::toml::{ProfilePackageSpec, StringOrBool, TomlProfile, TomlProfiles, U32OrBool};
-use util::{CargoResult, Config};
+use crate::core::compiler::CompileMode;
+use crate::core::interning::InternedString;
+use crate::core::{Features, PackageId, PackageIdSpec, PackageSet, Shell};
+use crate::util::errors::CargoResultExt;
+use crate::util::lev_distance::lev_distance;
+use crate::util::toml::{ProfilePackageSpec, StringOrBool, TomlProfile, TomlProfiles, U32OrBool};
+use crate::util::{CargoResult, Config};
 
 /// Collection of all user profiles.
 #[derive(Clone, Debug)]

src/cargo/core/registry.rs

@@ -3,11 +3,11 @@ use std::collections::HashMap;
 use semver::VersionReq;
 use url::Url;
 
-use core::PackageSet;
-use core::{Dependency, PackageId, Source, SourceId, SourceMap, Summary};
-use sources::config::SourceConfigMap;
-use util::errors::{CargoResult, CargoResultExt};
-use util::{profile, Config};
+use crate::core::PackageSet;
+use crate::core::{Dependency, PackageId, Source, SourceId, SourceMap, Summary};
+use crate::sources::config::SourceConfigMap;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::{profile, Config};
 
 /// Source of information about a group of packages.
 ///

src/cargo/core/resolver/conflict_cache.rs

@@ -1,8 +1,8 @@
 use std::collections::{BTreeMap, HashMap, HashSet};
 
 use super::types::ConflictReason;
-use core::resolver::Context;
-use core::{Dependency, PackageId};
+use crate::core::resolver::Context;
+use crate::core::{Dependency, PackageId};
 
 /// This is a Trie for storing a large number of Sets designed to
 /// efficiently see if any of the stored Sets are a subset of a search Set.

src/cargo/core/resolver/context.rs

@@ -1,11 +1,11 @@
 use std::collections::{BTreeMap, HashMap, HashSet};
 use std::rc::Rc;
 
-use core::interning::InternedString;
-use core::{Dependency, FeatureValue, PackageId, SourceId, Summary};
+use crate::core::interning::InternedString;
+use crate::core::{Dependency, FeatureValue, PackageId, SourceId, Summary};
 use im_rc;
-use util::CargoResult;
-use util::Graph;
+use crate::util::CargoResult;
+use crate::util::Graph;
 
 use super::errors::ActivateResult;
 use super::types::{ConflictReason, DepInfo, GraphNode, Method, RcList, RegistryQueryer};

src/cargo/core/resolver/encode.rs

@@ -5,9 +5,9 @@ use std::str::FromStr;
 use serde::de;
 use serde::ser;
 
-use core::{Dependency, Package, PackageId, SourceId, Workspace};
-use util::errors::{CargoError, CargoResult, CargoResultExt};
-use util::{internal, Graph};
+use crate::core::{Dependency, Package, PackageId, SourceId, Workspace};
+use crate::util::errors::{CargoError, CargoResult, CargoResultExt};
+use crate::util::{internal, Graph};
 
 use super::Resolve;
 

src/cargo/core/resolver/errors.rs

@@ -1,11 +1,11 @@
 use std::collections::BTreeMap;
 use std::fmt;
 
-use core::{Dependency, PackageId, Registry, Summary};
+use crate::core::{Dependency, PackageId, Registry, Summary};
 use failure::{Error, Fail};
 use semver;
-use util::lev_distance::lev_distance;
-use util::{CargoError, Config};
+use crate::util::lev_distance::lev_distance;
+use crate::util::{CargoError, Config};
 
 use super::context::Context;
 use super::types::{Candidate, ConflictReason};

src/cargo/core/resolver/mod.rs

@@ -54,12 +54,12 @@ use std::time::{Duration, Instant};
 
 use semver;
 
-use core::interning::InternedString;
-use core::PackageIdSpec;
-use core::{Dependency, PackageId, Registry, Summary};
-use util::config::Config;
-use util::errors::CargoResult;
-use util::profile;
+use crate::core::interning::InternedString;
+use crate::core::PackageIdSpec;
+use crate::core::{Dependency, PackageId, Registry, Summary};
+use crate::util::config::Config;
+use crate::util::errors::CargoResult;
+use crate::util::profile;
 
 use self::context::{Activations, Context};
 use self::types::{Candidate, ConflictReason, DepsFrame, GraphNode};

src/cargo/core/resolver/resolve.rs

@@ -6,9 +6,9 @@ use std::iter::FromIterator;
 
 use url::Url;
 
-use core::{Dependency, PackageId, PackageIdSpec, Summary, Target};
-use util::errors::CargoResult;
-use util::Graph;
+use crate::core::{Dependency, PackageId, PackageIdSpec, Summary, Target};
+use crate::util::errors::CargoResult;
+use crate::util::Graph;
 
 use super::encode::Metadata;
 

src/cargo/core/resolver/types.rs

@@ -4,10 +4,10 @@ use std::ops::Range;
 use std::rc::Rc;
 use std::time::{Duration, Instant};
 
-use core::interning::InternedString;
-use core::{Dependency, PackageId, PackageIdSpec, Registry, Summary};
-use util::errors::CargoResult;
-use util::Config;
+use crate::core::interning::InternedString;
+use crate::core::{Dependency, PackageId, PackageIdSpec, Registry, Summary};
+use crate::util::errors::CargoResult;
+use crate::util::Config;
 
 use im_rc;
 

src/cargo/core/shell.rs

@@ -5,7 +5,7 @@ use atty;
 use termcolor::Color::{Cyan, Green, Red, Yellow};
 use termcolor::{self, Color, ColorSpec, StandardStream, WriteColor};
 
-use util::errors::CargoResult;
+use crate::util::errors::CargoResult;
 
 /// The requested verbosity of output
 #[derive(Debug, Clone, Copy, PartialEq)]

src/cargo/core/source/mod.rs

@@ -1,8 +1,8 @@
 use std::collections::hash_map::HashMap;
 use std::fmt;
 
-use core::{Dependency, Package, PackageId, Summary};
-use util::CargoResult;
+use crate::core::{Dependency, Package, PackageId, Summary};
+use crate::util::CargoResult;
 
 mod source_id;
 

src/cargo/core/source/source_id.rs

@@ -12,11 +12,11 @@ use serde::de;
 use serde::ser;
 use url::Url;
 
-use ops;
-use sources::git;
-use sources::DirectorySource;
-use sources::{GitSource, PathSource, RegistrySource, CRATES_IO_INDEX};
-use util::{CargoResult, Config, ToUrl};
+use crate::ops;
+use crate::sources::git;
+use crate::sources::DirectorySource;
+use crate::sources::{GitSource, PathSource, RegistrySource, CRATES_IO_INDEX};
+use crate::util::{CargoResult, Config, ToUrl};
 
 lazy_static! {
     static ref SOURCE_ID_CACHE: Mutex<HashSet<&'static SourceIdInner>> = Mutex::new(HashSet::new());
@@ -579,7 +579,7 @@ impl<'a> fmt::Display for PrettyRef<'a> {
 #[cfg(test)]
 mod tests {
     use super::{GitReference, Kind, SourceId};
-    use util::ToUrl;
+    use crate::util::ToUrl;
 
     #[test]
     fn github_sources_equal() {

src/cargo/core/summary.rs

@@ -6,11 +6,11 @@ use std::rc::Rc;
 
 use serde::{Serialize, Serializer};
 
-use core::interning::InternedString;
-use core::{Dependency, PackageId, SourceId};
+use crate::core::interning::InternedString;
+use crate::core::{Dependency, PackageId, SourceId};
 use semver::Version;
 
-use util::CargoResult;
+use crate::util::CargoResult;
 
 /// Subset of a `Manifest`. Contains only the most important information about
 /// a package.

src/cargo/core/workspace.rs

@@ -7,16 +7,16 @@ use std::slice;
 use glob::glob;
 use url::Url;
 
-use core::profiles::Profiles;
-use core::registry::PackageRegistry;
-use core::{Dependency, PackageIdSpec};
-use core::{EitherManifest, Package, SourceId, VirtualManifest};
-use ops;
-use sources::PathSource;
-use util::errors::{CargoResult, CargoResultExt, ManifestError};
-use util::paths;
-use util::toml::read_manifest;
-use util::{Config, Filesystem};
+use crate::core::profiles::Profiles;
+use crate::core::registry::PackageRegistry;
+use crate::core::{Dependency, PackageIdSpec};
+use crate::core::{EitherManifest, Package, SourceId, VirtualManifest};
+use crate::ops;
+use crate::sources::PathSource;
+use crate::util::errors::{CargoResult, CargoResultExt, ManifestError};
+use crate::util::paths;
+use crate::util::toml::read_manifest;
+use crate::util::{Config, Filesystem};
 
 /// The core abstraction in Cargo for working with a workspace of crates.
 ///

src/cargo/lib.rs

@@ -68,11 +68,11 @@ use std::fmt;
 use failure::Error;
 use serde::ser;
 
-use core::shell::Verbosity::Verbose;
-use core::Shell;
+use crate::core::shell::Verbosity::Verbose;
+use crate::core::Shell;
 
-pub use util::errors::Internal;
-pub use util::{CargoError, CargoResult, CliError, CliResult, Config};
+pub use crate::util::errors::Internal;
+pub use crate::util::{CargoError, CargoResult, CliError, CliResult, Config};
 
 pub const CARGO_ENV: &str = "CARGO";
 

src/cargo/macros.rs

@@ -32,7 +32,7 @@ macro_rules! compact_debug {
                 )*
 
                 if any_default {
-                    s.field("..", &::macros::DisplayAsDebug(default_name));
+                    s.field("..", &crate::macros::DisplayAsDebug(default_name));
                 }
                 s.finish()
             }

src/cargo/ops/cargo_clean.rs

@@ -2,13 +2,13 @@ use std::collections::HashMap;
 use std::fs;
 use std::path::Path;
 
-use core::compiler::{BuildConfig, BuildContext, CompileMode, Context, Kind, Unit};
-use core::profiles::UnitFor;
-use core::Workspace;
-use ops;
-use util::errors::{CargoResult, CargoResultExt};
-use util::paths;
-use util::Config;
+use crate::core::compiler::{BuildConfig, BuildContext, CompileMode, Context, Kind, Unit};
+use crate::core::profiles::UnitFor;
+use crate::core::Workspace;
+use crate::ops;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::Config;
 
 pub struct CleanOptions<'a> {
     pub config: &'a Config,

src/cargo/ops/cargo_compile.rs

@@ -26,15 +26,15 @@ use std::collections::{HashMap, HashSet};
 use std::path::PathBuf;
 use std::sync::Arc;
 
-use core::compiler::{BuildConfig, BuildContext, Compilation, Context, DefaultExecutor, Executor};
-use core::compiler::{CompileMode, Kind, Unit};
-use core::profiles::{Profiles, UnitFor};
-use core::resolver::{Method, Resolve};
-use core::{Package, Source, Target};
-use core::{PackageId, PackageIdSpec, TargetKind, Workspace};
-use ops;
-use util::config::Config;
-use util::{lev_distance, profile, CargoResult};
+use crate::core::compiler::{BuildConfig, BuildContext, Compilation, Context, DefaultExecutor, Executor};
+use crate::core::compiler::{CompileMode, Kind, Unit};
+use crate::core::profiles::{Profiles, UnitFor};
+use crate::core::resolver::{Method, Resolve};
+use crate::core::{Package, Source, Target};
+use crate::core::{PackageId, PackageIdSpec, TargetKind, Workspace};
+use crate::ops;
+use crate::util::config::Config;
+use crate::util::{lev_distance, profile, CargoResult};
 
 /// Contains information about how a package should be compiled.
 #[derive(Debug)]

src/cargo/ops/cargo_doc.rs

@@ -5,9 +5,9 @@ use std::path::Path;
 use failure::Fail;
 use opener;
 
-use core::Workspace;
-use ops;
-use util::CargoResult;
+use crate::core::Workspace;
+use crate::ops;
+use crate::util::CargoResult;
 
 /// Strongly typed options for the `cargo doc` command.
 #[derive(Debug)]

src/cargo/ops/cargo_fetch.rs

@@ -1,9 +1,9 @@
-use core::compiler::{BuildConfig, CompileMode, Kind, TargetInfo};
-use core::{PackageSet, Resolve, Workspace};
-use ops;
+use crate::core::compiler::{BuildConfig, CompileMode, Kind, TargetInfo};
+use crate::core::{PackageSet, Resolve, Workspace};
+use crate::ops;
 use std::collections::HashSet;
-use util::CargoResult;
-use util::Config;
+use crate::util::CargoResult;
+use crate::util::Config;
 
 pub struct FetchOptions<'a> {
     pub config: &'a Config,

src/cargo/ops/cargo_generate_lockfile.rs

@@ -2,13 +2,13 @@ use std::collections::{BTreeMap, HashSet};
 
 use termcolor::Color::{self, Cyan, Green, Red};
 
-use core::registry::PackageRegistry;
-use core::resolver::Method;
-use core::PackageId;
-use core::{Resolve, SourceId, Workspace};
-use ops;
-use util::config::Config;
-use util::CargoResult;
+use crate::core::registry::PackageRegistry;
+use crate::core::resolver::Method;
+use crate::core::PackageId;
+use crate::core::{Resolve, SourceId, Workspace};
+use crate::ops;
+use crate::util::config::Config;
+use crate::util::CargoResult;
 
 pub struct UpdateOptions<'a> {
     pub config: &'a Config,

src/cargo/ops/cargo_install.rs

@@ -10,17 +10,17 @@ use semver::{Version, VersionReq};
 use tempfile::Builder as TempFileBuilder;
 use toml;
 
-use core::compiler::{DefaultExecutor, Executor};
-use core::package::PackageSet;
-use core::source::SourceMap;
-use core::{Dependency, Edition, Package, PackageIdSpec, Source, SourceId};
-use core::{PackageId, Workspace};
-use ops::{self, CompileFilter};
-use sources::{GitSource, PathSource, SourceConfigMap};
-use util::errors::{CargoResult, CargoResultExt};
-use util::paths;
-use util::{internal, Config};
-use util::{FileLock, Filesystem};
+use crate::core::compiler::{DefaultExecutor, Executor};
+use crate::core::package::PackageSet;
+use crate::core::source::SourceMap;
+use crate::core::{Dependency, Edition, Package, PackageIdSpec, Source, SourceId};
+use crate::core::{PackageId, Workspace};
+use crate::ops::{self, CompileFilter};
+use crate::sources::{GitSource, PathSource, SourceConfigMap};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::{internal, Config};
+use crate::util::{FileLock, Filesystem};
 
 #[derive(Deserialize, Serialize)]
 #[serde(untagged)]
@@ -101,7 +101,7 @@ pub fn install(
             ) {
                 Ok(()) => succeeded.push(krate),
                 Err(e) => {
-                    ::handle_error(&e, &mut opts.config.shell());
+                    crate::handle_error(&e, &mut opts.config.shell());
                     failed.push(krate)
                 }
             }
@@ -731,7 +731,7 @@ pub fn uninstall(
             match uninstall_one(&root, spec, bins, config) {
                 Ok(()) => succeeded.push(spec),
                 Err(e) => {
-                    ::handle_error(&e, &mut config.shell());
+                    crate::handle_error(&e, &mut config.shell());
                     failed.push(spec)
                 }
             }

src/cargo/ops/cargo_new.rs

@@ -7,10 +7,10 @@ use std::path::{Path, PathBuf};
 use git2::Config as GitConfig;
 use git2::Repository as GitRepository;
 
-use core::{compiler, Workspace};
-use util::errors::{CargoResult, CargoResultExt};
-use util::{existing_vcs_repo, internal, FossilRepo, GitRepo, HgRepo, PijulRepo};
-use util::{paths, Config};
+use crate::core::{compiler, Workspace};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::{existing_vcs_repo, internal, FossilRepo, GitRepo, HgRepo, PijulRepo};
+use crate::util::{paths, Config};
 
 use toml;
 

src/cargo/ops/cargo_output_metadata.rs

@@ -2,10 +2,10 @@ use std::collections::HashMap;
 
 use serde::ser;
 
-use core::resolver::Resolve;
-use core::{Package, PackageId, Workspace};
-use ops::{self, Packages};
-use util::CargoResult;
+use crate::core::resolver::Resolve;
+use crate::core::{Package, PackageId, Workspace};
+use crate::ops::{self, Packages};
+use crate::util::CargoResult;
 
 const VERSION: u32 = 1;
 

src/cargo/ops/cargo_package.rs

@@ -10,13 +10,13 @@ use git2;
 use serde_json;
 use tar::{Archive, Builder, EntryType, Header};
 
-use core::compiler::{BuildConfig, CompileMode, DefaultExecutor, Executor};
-use core::{Package, Source, SourceId, Workspace};
-use ops;
-use sources::PathSource;
-use util::errors::{CargoResult, CargoResultExt};
-use util::paths;
-use util::{self, internal, Config, FileLock};
+use crate::core::compiler::{BuildConfig, CompileMode, DefaultExecutor, Executor};
+use crate::core::{Package, Source, SourceId, Workspace};
+use crate::ops;
+use crate::sources::PathSource;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::{self, internal, Config, FileLock};
 
 pub struct PackageOpts<'cfg> {
     pub config: &'cfg Config,

src/cargo/ops/cargo_pkgid.rs

@@ -1,6 +1,6 @@
-use core::{PackageIdSpec, Workspace};
-use ops;
-use util::CargoResult;
+use crate::core::{PackageIdSpec, Workspace};
+use crate::ops;
+use crate::util::CargoResult;
 
 pub fn pkgid(ws: &Workspace, spec: Option<&str>) -> CargoResult<PackageIdSpec> {
     let resolve = match ops::load_pkg_lockfile(ws)? {

src/cargo/ops/cargo_read_manifest.rs

@@ -3,11 +3,11 @@ use std::fs;
 use std::io;
 use std::path::{Path, PathBuf};
 
-use core::{EitherManifest, Package, PackageId, SourceId};
-use util::errors::{CargoError, CargoResult};
-use util::important_paths::find_project_manifest_exact;
-use util::toml::read_manifest;
-use util::{self, Config};
+use crate::core::{EitherManifest, Package, PackageId, SourceId};
+use crate::util::errors::{CargoError, CargoResult};
+use crate::util::important_paths::find_project_manifest_exact;
+use crate::util::toml::read_manifest;
+use crate::util::{self, Config};
 
 pub fn read_package(
     path: &Path,

src/cargo/ops/cargo_run.rs

@@ -1,9 +1,9 @@
 use std::iter;
 use std::path::Path;
 
-use ops;
-use util::{self, CargoResult, ProcessError};
-use core::{TargetKind, Workspace, nightly_features_allowed};
+use crate::ops;
+use crate::util::{self, CargoResult, ProcessError};
+use crate::core::{TargetKind, Workspace, nightly_features_allowed};
 
 pub fn run(
     ws: &Workspace,

src/cargo/ops/cargo_test.rs

@@ -1,10 +1,10 @@
 use std::ffi::OsString;
 
-use core::compiler::{Compilation, Doctest};
-use core::Workspace;
-use ops;
-use util::errors::CargoResult;
-use util::{self, CargoTestError, ProcessError, Test};
+use crate::core::compiler::{Compilation, Doctest};
+use crate::core::Workspace;
+use crate::ops;
+use crate::util::errors::CargoResult;
+use crate::util::{self, CargoTestError, ProcessError, Test};
 
 pub struct TestOptions<'a> {
     pub compile_opts: ops::CompileOptions<'a>,

src/cargo/ops/fix.rs

@@ -12,12 +12,12 @@ use rustfix::diagnostics::Diagnostic;
 use rustfix::{self, CodeFix};
 use serde_json;
 
-use core::Workspace;
-use ops::{self, CompileOptions};
-use util::diagnostic_server::{Message, RustfixDiagnosticServer};
-use util::errors::CargoResult;
-use util::paths;
-use util::{existing_vcs_repo, LockServer, LockServerClient};
+use crate::core::Workspace;
+use crate::ops::{self, CompileOptions};
+use crate::util::diagnostic_server::{Message, RustfixDiagnosticServer};
+use crate::util::errors::CargoResult;
+use crate::util::paths;
+use crate::util::{existing_vcs_repo, LockServer, LockServerClient};
 
 const FIX_ENV: &str = "__CARGO_FIX_PLZ";
 const BROKEN_CODE_ENV: &str = "__CARGO_FIX_BROKEN_CODE";

src/cargo/ops/lockfile.rs

@@ -2,11 +2,11 @@ use std::io::prelude::*;
 
 use toml;
 
-use core::resolver::WorkspaceResolve;
-use core::{resolver, Resolve, Workspace};
-use util::errors::{CargoResult, CargoResultExt};
-use util::toml as cargo_toml;
-use util::Filesystem;
+use crate::core::resolver::WorkspaceResolve;
+use crate::core::{resolver, Resolve, Workspace};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::toml as cargo_toml;
+use crate::util::Filesystem;
 
 pub fn load_pkg_lockfile(ws: &Workspace) -> CargoResult<Option<Resolve>> {
     if !ws.root().join("Cargo.lock").exists() {

src/cargo/ops/registry.rs

@@ -8,22 +8,22 @@ use std::{cmp, env};
 use curl::easy::{Easy, InfoType, SslOpt};
 use git2;
 use log::Level;
-use registry::{NewCrate, NewCrateDependency, Registry};
+use crate::registry::{NewCrate, NewCrateDependency, Registry};
 
 use url::percent_encoding::{percent_encode, QUERY_ENCODE_SET};
 
-use core::dependency::Kind;
-use core::manifest::ManifestMetadata;
-use core::source::Source;
-use core::{Package, SourceId, Workspace};
-use ops;
-use sources::{RegistrySource, SourceConfigMap};
-use util::config::{self, Config};
-use util::errors::{CargoResult, CargoResultExt};
-use util::important_paths::find_root_manifest_for_wd;
-use util::paths;
-use util::ToUrl;
-use version;
+use crate::core::dependency::Kind;
+use crate::core::manifest::ManifestMetadata;
+use crate::core::source::Source;
+use crate::core::{Package, SourceId, Workspace};
+use crate::ops;
+use crate::sources::{RegistrySource, SourceConfigMap};
+use crate::util::config::{self, Config};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::important_paths::find_root_manifest_for_wd;
+use crate::util::paths;
+use crate::util::ToUrl;
+use crate::version;
 
 pub struct RegistryConfig {
     pub index: Option<String>,

src/cargo/ops/resolve.rs

@@ -1,12 +1,12 @@
 use std::collections::HashSet;
 
-use core::registry::PackageRegistry;
-use core::resolver::{self, Method, Resolve};
-use core::{PackageId, PackageIdSpec, PackageSet, Source, SourceId, Workspace};
-use ops;
-use sources::PathSource;
-use util::errors::{CargoResult, CargoResultExt};
-use util::profile;
+use crate::core::registry::PackageRegistry;
+use crate::core::resolver::{self, Method, Resolve};
+use crate::core::{PackageId, PackageIdSpec, PackageSet, Source, SourceId, Workspace};
+use crate::ops;
+use crate::sources::PathSource;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::profile;
 
 /// Resolve all dependencies for the workspace using the previous
 /// lockfile as a guide if present.

src/cargo/sources/config.rs

@@ -9,11 +9,11 @@ use std::path::{Path, PathBuf};
 
 use url::Url;
 
-use core::{GitReference, Source, SourceId};
-use sources::{ReplacedSource, CRATES_IO_REGISTRY};
-use util::config::ConfigValue;
-use util::errors::{CargoResult, CargoResultExt};
-use util::{Config, ToUrl};
+use crate::core::{GitReference, Source, SourceId};
+use crate::sources::{ReplacedSource, CRATES_IO_REGISTRY};
+use crate::util::config::ConfigValue;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::{Config, ToUrl};
 
 #[derive(Clone)]
 pub struct SourceConfigMap<'cfg> {
@@ -176,7 +176,7 @@ restore the source replacement configuration to continue the build
         }
         if let Some(val) = table.get("git") {
             let url = url(val, &format!("source.{}.git", name))?;
-            let try = |s: &str| {
+            let r#try = |s: &str| {
                 let val = match table.get(s) {
                     Some(s) => s,
                     None => return Ok(None),
@@ -184,11 +184,11 @@ restore the source replacement configuration to continue the build
                 let key = format!("source.{}.{}", name, s);
                 val.string(&key).map(Some)
             };
-            let reference = match try("branch")? {
+            let reference = match r#try("branch")? {
                 Some(b) => GitReference::Branch(b.0.to_string()),
-                None => match try("tag")? {
+                None => match r#try("tag")? {
                     Some(b) => GitReference::Tag(b.0.to_string()),
-                    None => match try("rev")? {
+                    None => match r#try("rev")? {
                         Some(b) => GitReference::Rev(b.0.to_string()),
                         None => GitReference::Branch("master".to_string()),
                     },

src/cargo/sources/directory.rs

@@ -8,12 +8,12 @@ use hex;
 
 use serde_json;
 
-use core::source::MaybePackage;
-use core::{Dependency, Package, PackageId, Source, SourceId, Summary};
-use sources::PathSource;
-use util::errors::{CargoResult, CargoResultExt};
-use util::paths;
-use util::{Config, Sha256};
+use crate::core::source::MaybePackage;
+use crate::core::{Dependency, Package, PackageId, Source, SourceId, Summary};
+use crate::sources::PathSource;
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::{Config, Sha256};
 
 pub struct DirectorySource<'cfg> {
     source_id: SourceId,

src/cargo/sources/git/source.rs

@@ -2,14 +2,14 @@ use std::fmt::{self, Debug, Formatter};
 
 use url::Url;
 
-use core::source::{MaybePackage, Source, SourceId};
-use core::GitReference;
-use core::{Dependency, Package, PackageId, Summary};
-use sources::git::utils::{GitRemote, GitRevision};
-use sources::PathSource;
-use util::errors::CargoResult;
-use util::hex::short_hash;
-use util::Config;
+use crate::core::source::{MaybePackage, Source, SourceId};
+use crate::core::GitReference;
+use crate::core::{Dependency, Package, PackageId, Summary};
+use crate::sources::git::utils::{GitRemote, GitRevision};
+use crate::sources::PathSource;
+use crate::util::errors::CargoResult;
+use crate::util::hex::short_hash;
+use crate::util::Config;
 
 pub struct GitSource<'cfg> {
     remote: GitRemote,
@@ -243,7 +243,7 @@ impl<'cfg> Source for GitSource<'cfg> {
 mod test {
     use super::ident;
     use url::Url;
-    use util::ToUrl;
+    use crate::util::ToUrl;
 
     #[test]
     pub fn test_url_to_path_ident_with_path() {

src/cargo/sources/git/utils.rs

@@ -10,11 +10,11 @@ use git2::{self, ObjectType};
 use serde::ser;
 use url::Url;
 
-use core::GitReference;
-use util::errors::{CargoError, CargoResult, CargoResultExt};
-use util::paths;
-use util::process_builder::process;
-use util::{internal, network, Config, Progress, ToUrl};
+use crate::core::GitReference;
+use crate::util::errors::{CargoError, CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::process_builder::process;
+use crate::util::{internal, network, Config, Progress, ToUrl};
 
 #[derive(PartialEq, Clone, Debug)]
 pub struct GitRevision(git2::Oid);
@@ -875,7 +875,7 @@ fn init(path: &Path, bare: bool) -> CargoResult<git2::Repository> {
 /// just return a `bool`. Any real errors will be reported through the normal
 /// update path above.
 fn github_up_to_date(handle: &mut Easy, url: &Url, oid: &git2::Oid) -> bool {
-    macro_rules! try {
+    macro_rules! r#try {
         ($e:expr) => (match $e {
             Some(e) => e,
             None => return false,
@@ -884,9 +884,9 @@ fn github_up_to_date(handle: &mut Easy, url: &Url, oid: &git2::Oid) -> bool {
 
     // This expects GitHub urls in the form `github.com/user/repo` and nothing
     // else
-    let mut pieces = try!(url.path_segments());
-    let username = try!(pieces.next());
-    let repo = try!(pieces.next());
+    let mut pieces = r#try!(url.path_segments());
+    let username = r#try!(pieces.next());
+    let repo = r#try!(pieces.next());
     if pieces.next().is_some() {
         return false;
     }
@@ -895,14 +895,14 @@ fn github_up_to_date(handle: &mut Easy, url: &Url, oid: &git2::Oid) -> bool {
         "https://api.github.com/repos/{}/{}/commits/master",
         username, repo
     );
-    try!(handle.get(true).ok());
-    try!(handle.url(&url).ok());
-    try!(handle.useragent("cargo").ok());
+    r#try!(handle.get(true).ok());
+    r#try!(handle.url(&url).ok());
+    r#try!(handle.useragent("cargo").ok());
     let mut headers = List::new();
-    try!(headers.append("Accept: application/vnd.github.3.sha").ok());
-    try!(headers.append(&format!("If-None-Match: \"{}\"", oid)).ok());
-    try!(handle.http_headers(headers).ok());
-    try!(handle.perform().ok());
+    r#try!(headers.append("Accept: application/vnd.github.3.sha").ok());
+    r#try!(headers.append(&format!("If-None-Match: \"{}\"", oid)).ok());
+    r#try!(handle.http_headers(headers).ok());
+    r#try!(handle.perform().ok());
 
-    try!(handle.response_code().ok()) == 304
+    r#try!(handle.response_code().ok()) == 304
 }

src/cargo/sources/path.rs

@@ -8,12 +8,12 @@ use glob::Pattern;
 use ignore::gitignore::GitignoreBuilder;
 use ignore::Match;
 
-use core::source::MaybePackage;
-use core::{Dependency, Package, PackageId, Source, SourceId, Summary};
-use ops;
-use util::paths;
-use util::Config;
-use util::{self, internal, CargoResult};
+use crate::core::source::MaybePackage;
+use crate::core::{Dependency, Package, PackageId, Source, SourceId, Summary};
+use crate::ops;
+use crate::util::paths;
+use crate::util::Config;
+use crate::util::{self, internal, CargoResult};
 
 pub struct PathSource<'cfg> {
     source_id: SourceId,

src/cargo/sources/registry/index.rs

@@ -5,11 +5,11 @@ use std::str;
 use semver::Version;
 use serde_json;
 
-use core::dependency::Dependency;
-use core::{PackageId, SourceId, Summary};
-use sources::registry::RegistryData;
-use sources::registry::{RegistryPackage, INDEX_LOCK};
-use util::{internal, CargoResult, Config, Filesystem};
+use crate::core::dependency::Dependency;
+use crate::core::{PackageId, SourceId, Summary};
+use crate::sources::registry::RegistryData;
+use crate::sources::registry::{RegistryPackage, INDEX_LOCK};
+use crate::util::{internal, CargoResult, Config, Filesystem};
 
 /// Crates.io treats hyphen and underscores as interchangeable
 /// but, the index and old cargo do not. So the index must store uncanonicalized version

src/cargo/sources/registry/local.rs

@@ -2,12 +2,12 @@ use std::io::prelude::*;
 use std::io::SeekFrom;
 use std::path::Path;
 
-use core::PackageId;
+use crate::core::PackageId;
 use hex;
-use sources::registry::{MaybeLock, RegistryConfig, RegistryData};
-use util::errors::{CargoResult, CargoResultExt};
-use util::paths;
-use util::{Config, FileLock, Filesystem, Sha256};
+use crate::sources::registry::{MaybeLock, RegistryConfig, RegistryData};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::paths;
+use crate::util::{Config, FileLock, Filesystem, Sha256};
 
 pub struct LocalRegistry<'cfg> {
     index_path: Filesystem,

src/cargo/sources/registry/mod.rs

@@ -169,14 +169,14 @@ use semver::Version;
 use serde_json;
 use tar::Archive;
 
-use core::dependency::{Dependency, Kind};
-use core::source::MaybePackage;
-use core::{Package, PackageId, Source, SourceId, Summary};
-use sources::PathSource;
-use util::errors::CargoResultExt;
-use util::hex;
-use util::to_url::ToUrl;
-use util::{internal, CargoResult, Config, FileLock, Filesystem};
+use crate::core::dependency::{Dependency, Kind};
+use crate::core::source::MaybePackage;
+use crate::core::{Package, PackageId, Source, SourceId, Summary};
+use crate::sources::PathSource;
+use crate::util::errors::CargoResultExt;
+use crate::util::hex;
+use crate::util::to_url::ToUrl;
+use crate::util::{internal, CargoResult, Config, FileLock, Filesystem};
 
 const INDEX_LOCK: &str = ".cargo-index-lock";
 pub const CRATES_IO_INDEX: &str = "https://github.com/rust-lang/crates.io-index";

src/cargo/sources/registry/remote.rs

@@ -11,15 +11,15 @@ use hex;
 use lazycell::LazyCell;
 use serde_json;
 
-use core::{PackageId, SourceId};
-use sources::git;
-use sources::registry::MaybeLock;
-use sources::registry::{
+use crate::core::{PackageId, SourceId};
+use crate::sources::git;
+use crate::sources::registry::MaybeLock;
+use crate::sources::registry::{
     RegistryConfig, RegistryData, CRATE_TEMPLATE, INDEX_LOCK, VERSION_TEMPLATE,
 };
-use util::errors::{CargoResult, CargoResultExt};
-use util::{Config, Sha256};
-use util::{FileLock, Filesystem};
+use crate::util::errors::{CargoResult, CargoResultExt};
+use crate::util::{Config, Sha256};
+use crate::util::{FileLock, Filesystem};
 
 pub struct RemoteRegistry<'cfg> {
     index_path: Filesystem,

src/cargo/sources/replaced.rs

@@ -1,6 +1,6 @@
-use core::source::MaybePackage;
-use core::{Dependency, Package, PackageId, Source, SourceId, Summary};
-use util::errors::{CargoResult, CargoResultExt};
+use crate::core::source::MaybePackage;
+use crate::core::{Dependency, Package, PackageId, Source, SourceId, Summary};
+use crate::util::errors::{CargoResult, CargoResultExt};
 
 pub struct ReplacedSource<'cfg> {
     to_replace: SourceId,