Stabilize --crate-type flag for cargo rust

Author: weihanglo

src/bin/cargo/commands/rustc.rs

@@ -39,7 +39,7 @@ pub fn cli() -> App {
         .arg(multi_opt(
             CRATE_TYPE_ARG_NAME,
             "CRATE-TYPE",
-            "Comma separated list of types of crates for the compiler to emit (unstable)",
+            "Comma separated list of types of crates for the compiler to emit",
         ))
         .arg_target_dir()
         .arg_manifest_path()
@@ -88,9 +88,6 @@ pub fn exec(config: &mut Config, args: &ArgMatches) -> CliResult {
     compile_opts.target_rustc_crate_types = if crate_types.is_empty() {
         None
     } else {
-        config
-            .cli_unstable()
-            .fail_if_stable_opt(CRATE_TYPE_ARG_NAME, 10083)?;
         Some(crate_types)
     };
     ops::compile(&ws, &compile_opts)?;

tests/testsuite/rustc.rs

@@ -134,20 +134,6 @@ fn fails_with_args_to_all_binaries() {
         .run();
 }
 
-#[cargo_test]
-fn fails_with_crate_type_and_without_unstable_options() {
-    let p = project().file("src/lib.rs", r#" "#).build();
-
-    p.cargo("rustc --crate-type lib")
-        .masquerade_as_nightly_cargo()
-        .with_status(101)
-        .with_stderr(
-            "[ERROR] the `crate-type` flag is unstable, pass `-Z unstable-options` to enable it
-See https://github.com/rust-lang/cargo/issues/10083 for more information about the `crate-type` flag.",
-        )
-        .run();
-}
-
 #[cargo_test]
 fn fails_with_crate_type_to_multi_binaries() {
     let p = project()
@@ -157,7 +143,7 @@ fn fails_with_crate_type_to_multi_binaries() {
         .file("src/lib.rs", r#" "#)
         .build();
 
-    p.cargo("rustc --crate-type lib -Zunstable-options")
+    p.cargo("rustc --crate-type lib")
         .masquerade_as_nightly_cargo()
         .with_status(101)
         .with_stderr(
@@ -191,7 +177,7 @@ fn fails_with_crate_type_to_multi_examples() {
         .file("examples/ex2.rs", "")
         .build();
 
-    p.cargo("rustc -v --example ex1 --example ex2 --crate-type lib,cdylib -Zunstable-options")
+    p.cargo("rustc -v --example ex1 --example ex2 --crate-type lib,cdylib")
         .masquerade_as_nightly_cargo()
         .with_status(101)
         .with_stderr(
@@ -205,7 +191,7 @@ the package by passing, e.g., `--lib` or `--example` to specify a single target"
 fn fails_with_crate_type_to_binary() {
     let p = project().file("src/bin/foo.rs", "fn main() {}").build();
 
-    p.cargo("rustc --crate-type lib -Zunstable-options")
+    p.cargo("rustc --crate-type lib")
         .masquerade_as_nightly_cargo()
         .with_status(101)
         .with_stderr(
@@ -219,7 +205,7 @@ Binaries, tests, and benchmarks are always the `bin` crate type",
 fn build_with_crate_type_for_foo() {
     let p = project().file("src/lib.rs", "").build();
 
-    p.cargo("rustc -v --crate-type cdylib -Zunstable-options")
+    p.cargo("rustc -v --crate-type cdylib")
         .masquerade_as_nightly_cargo()
         .with_stderr(
             "\
@@ -257,7 +243,7 @@ fn build_with_crate_type_for_foo_with_deps() {
         .file("a/src/lib.rs", "pub fn hello() {}")
         .build();
 
-    p.cargo("rustc -v --crate-type cdylib -Zunstable-options")
+    p.cargo("rustc -v --crate-type cdylib")
         .masquerade_as_nightly_cargo()
         .with_stderr(
             "\
@@ -275,7 +261,7 @@ fn build_with_crate_type_for_foo_with_deps() {
 fn build_with_crate_types_for_foo() {
     let p = project().file("src/lib.rs", "").build();
 
-    p.cargo("rustc -v --crate-type lib,cdylib -Zunstable-options")
+    p.cargo("rustc -v --crate-type lib,cdylib")
         .masquerade_as_nightly_cargo()
         .with_stderr(
             "\
@@ -307,7 +293,7 @@ fn build_with_crate_type_to_example() {
         .file("examples/ex.rs", "")
         .build();
 
-    p.cargo("rustc -v --example ex --crate-type cdylib -Zunstable-options")
+    p.cargo("rustc -v --example ex --crate-type cdylib")
         .masquerade_as_nightly_cargo()
         .with_stderr(
             "\
@@ -340,7 +326,7 @@ fn build_with_crate_types_to_example() {
         .file("examples/ex.rs", "")
         .build();
 
-    p.cargo("rustc -v --example ex --crate-type lib,cdylib -Zunstable-options")
+    p.cargo("rustc -v --example ex --crate-type lib,cdylib")
         .masquerade_as_nightly_cargo()
         .with_stderr(
             "\
@@ -377,7 +363,7 @@ fn build_with_crate_types_to_one_of_multi_examples() {
         .file("examples/ex2.rs", "")
         .build();
 
-    p.cargo("rustc -v --example ex1 --crate-type lib,cdylib -Zunstable-options")
+    p.cargo("rustc -v --example ex1 --crate-type lib,cdylib")
         .masquerade_as_nightly_cargo()
         .with_stderr(
             "\