Bump to 0.59.0

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cargo"
-version = "0.58.0"
+version = "0.59.0"
 edition = "2018"
 authors = ["Yehuda Katz <wycats@gmail.com>",
            "Carl Lerche <me@carllerche.com>",

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

@@ -47,8 +47,6 @@ pub struct TargetInfo {
     pub rustdocflags: Vec<String>,
     /// Whether or not rustc supports the `-Csplit-debuginfo` flag.
     pub supports_split_debuginfo: bool,
-    /// Whether or not rustc supports the `--force-warn` flag. Remove after 1.56 is stable.
-    pub supports_force_warn: bool,
 }
 
 /// Kind of each file generated by a Unit, part of `FileType`.
@@ -180,12 +178,6 @@ impl TargetInfo {
                 extra_fingerprint,
             )
             .is_ok();
-        let supports_force_warn = rustc
-            .cached_output(
-                process.clone().arg("--force-warn=rust-2021-compatibility"),
-                extra_fingerprint,
-            )
-            .is_ok();
 
         process.arg("--print=sysroot");
         process.arg("--print=cfg");
@@ -261,7 +253,6 @@ impl TargetInfo {
             )?,
             cfg,
             supports_split_debuginfo,
-            supports_force_warn,
         })
     }
 

src/cargo/ops/fix.rs

@@ -52,7 +52,7 @@ use rustfix::diagnostics::Diagnostic;
 use rustfix::{self, CodeFix};
 use semver::Version;
 
-use crate::core::compiler::{CompileKind, RustcTargetData, TargetInfo};
+use crate::core::compiler::RustcTargetData;
 use crate::core::resolver::features::{DiffMap, FeatureOpts, FeatureResolver};
 use crate::core::resolver::{HasDevUnits, Resolve, ResolveBehavior};
 use crate::core::{Edition, MaybePackage, PackageId, Workspace};
@@ -68,7 +68,6 @@ const FIX_ENV: &str = "__CARGO_FIX_PLZ";
 const BROKEN_CODE_ENV: &str = "__CARGO_FIX_BROKEN_CODE";
 const EDITION_ENV: &str = "__CARGO_FIX_EDITION";
 const IDIOMS_ENV: &str = "__CARGO_FIX_IDIOMS";
-const SUPPORTS_FORCE_WARN: &str = "__CARGO_SUPPORTS_FORCE_WARN";
 
 pub struct FixOptions {
     pub edition: bool,
@@ -124,17 +123,6 @@ pub fn fix(ws: &Workspace<'_>, opts: &mut FixOptions) -> CargoResult<()> {
     let rustc = ws.config().load_global_rustc(Some(ws))?;
     wrapper.arg(&rustc.path);
 
-    // Remove this once 1.56 is stabilized.
-    let target_info = TargetInfo::new(
-        ws.config(),
-        &opts.compile_opts.build_config.requested_kinds,
-        &rustc,
-        CompileKind::Host,
-    )?;
-    if target_info.supports_force_warn {
-        wrapper.env(SUPPORTS_FORCE_WARN, "1");
-    }
-
     // primary crates are compiled using a cargo subprocess to do extra work of applying fixes and
     // repeating build until there are no more changes to be applied
     opts.compile_opts.build_config.primary_unit_rustc = Some(wrapper);
@@ -849,7 +837,7 @@ impl FixArgs {
     fn apply(&self, cmd: &mut Command) {
         cmd.arg(&self.file);
         cmd.args(&self.other);
-        if self.prepare_for_edition.is_some() && env::var_os(SUPPORTS_FORCE_WARN).is_some() {
+        if self.prepare_for_edition.is_some() {
             // When migrating an edition, we don't want to fix other lints as
             // they can sometimes add suggestions that fail to apply, causing
             // the entire migration to fail. But those lints aren't needed to
@@ -868,12 +856,8 @@ impl FixArgs {
 
         if let Some(edition) = self.prepare_for_edition {
             if edition.supports_compat_lint() {
-                if env::var_os(SUPPORTS_FORCE_WARN).is_some() {
-                    cmd.arg("--force-warn")
-                        .arg(format!("rust-{}-compatibility", edition));
-                } else {
-                    cmd.arg("-W").arg(format!("rust-{}-compatibility", edition));
-                }
+                cmd.arg("--force-warn")
+                    .arg(format!("rust-{}-compatibility", edition));
             }
         }
     }

tests/testsuite/fix.rs

@@ -950,10 +950,6 @@ fn prepare_for_already_on_latest_unstable() {
 #[cargo_test]
 fn prepare_for_already_on_latest_stable() {
     // Stable counterpart of prepare_for_already_on_latest_unstable.
-    if !is_nightly() {
-        // Remove once 1.56 is stabilized.
-        return;
-    }
     if Edition::LATEST_UNSTABLE.is_some() {
         eprintln!("This test cannot run while the latest edition is unstable, skipping.");
         return;
@@ -1528,10 +1524,6 @@ fn rustfix_handles_multi_spans() {
 #[cargo_test]
 fn fix_edition_2021() {
     // Can migrate 2021, even when lints are allowed.
-    if !is_nightly() {
-        // Remove once 1.56 is stabilized.
-        return;
-    }
     let p = project()
         .file(
             "Cargo.toml",
@@ -1748,10 +1740,6 @@ fn fix_with_run_cargo_in_proc_macros() {
 #[cargo_test]
 fn non_edition_lint_migration() {
     // Migrating to a new edition where a non-edition lint causes problems.
-    if !is_nightly() {
-        // Remove once force-warn hits stable.
-        return;
-    }
     let p = project()
         .file("Cargo.toml", &basic_manifest("foo", "0.1.0"))
         .file(

tests/testsuite/new.rs

@@ -377,10 +377,6 @@ fn new_with_reference_link() {
 
 #[cargo_test]
 fn lockfile_constant_during_new() {
-    if !cargo_test_support::is_nightly() {
-        // Remove when 1.56 is stable (cargo new defaults to 2021).
-        return;
-    }
     cargo_process("new foo").run();
 
     cargo_process("build").cwd(&paths::root().join("foo")).run();