Update the url crate to 2.0

Looks like minor API changes, primarily around percent encoding.

Cargo.toml

@@ -46,6 +46,7 @@ libgit2-sys = "0.8.0"
 memchr = "2.1.3"
 num_cpus = "1.0"
 opener = "0.4"
+percent-encoding = "2.0"
 rustfix = "0.4.4"
 same-file = "1"
 semver = { version = "0.9.0", features = ["serde"] }
@@ -58,8 +59,7 @@ tar = { version = "0.4.18", default-features = false }
 tempfile = "3.0"
 termcolor = "1.0"
 toml = "0.5.0"
-url = "1.1"
-url_serde = "0.2.0"
+url = { version = "2.0", features = ['serde'] }
 walkdir = "2.2"
 clap = "2.31.2"
 unicode-width = "0.1.5"

crates/crates-io/Cargo.toml

@@ -17,7 +17,8 @@ path = "lib.rs"
 curl = "0.4"
 failure = "0.1.1"
 http = "0.1"
+percent-encoding = "2.0"
 serde = { version = "1.0", features = ['derive'] }
 serde_derive = "1.0"
 serde_json = "1.0"
-url = "1.0"
+url = "2.0"

crates/crates-io/lib.rs

@@ -10,9 +10,9 @@ use std::time::Instant;
 use curl::easy::{Easy, List};
 use failure::bail;
 use http::status::StatusCode;
+use percent_encoding::{percent_encode, NON_ALPHANUMERIC};
 use serde::{Deserialize, Serialize};
 use serde_json;
-use url::percent_encoding::{percent_encode, QUERY_ENCODE_SET};
 use url::Url;
 
 pub type Result<T> = std::result::Result<T, failure::Error>;
@@ -256,7 +256,7 @@ impl Registry {
     }
 
     pub fn search(&mut self, query: &str, limit: u32) -> Result<(Vec<Crate>, u32)> {
-        let formatted_query = percent_encode(query.as_bytes(), QUERY_ENCODE_SET);
+        let formatted_query = percent_encode(query.as_bytes(), NON_ALPHANUMERIC);
         let body = self.req(
             &format!("/crates?q={}&per_page={}", formatted_query, limit),
             None,

src/cargo/core/dependency.rs

@@ -69,7 +69,6 @@ struct SerializedDependency<'a> {
     target: Option<&'a Platform>,
     /// The registry URL this dependency is from.
     /// If None, then it comes from the default registry (crates.io).
-    #[serde(with = "url_serde")]
     registry: Option<Url>,
 }
 

src/cargo/ops/registry.rs

@@ -10,7 +10,7 @@ use crates_io::{NewCrate, NewCrateDependency, Registry};
 use curl::easy::{Easy, InfoType, SslOpt};
 use failure::{bail, format_err};
 use log::{log, Level};
-use url::percent_encoding::{percent_encode, QUERY_ENCODE_SET};
+use percent_encoding::{percent_encode, NON_ALPHANUMERIC};
 
 use crate::core::dependency::Kind;
 use crate::core::manifest::ManifestMetadata;
@@ -766,7 +766,7 @@ pub fn search(
         let extra = if source_id.is_default_registry() {
             format!(
                 " (go to https://crates.io/search?q={} to see more)",
-                percent_encode(query.as_bytes(), QUERY_ENCODE_SET)
+                percent_encode(query.as_bytes(), NON_ALPHANUMERIC)
             )
         } else {
             String::new()