Rename clippy-preview to clippy and stabilize it

src/bin/cargo/commands/clippy.rs

@@ -4,7 +4,7 @@ use cargo::ops;
 use cargo::util;
 
 pub fn cli() -> App {
-    subcommand("clippy-preview")
+    subcommand("clippy")
         .about("Checks a package to catch common mistakes and improve your Rust code.")
         .arg(Arg::with_name("args").multiple(true))
         .arg_package_spec(
@@ -63,13 +63,6 @@ pub fn exec(config: &mut Config, args: &ArgMatches<'_>) -> CliResult {
     let mode = CompileMode::Check { test: false };
     let mut compile_opts = args.compile_options(config, mode, Some(&ws))?;
 
-    if !config.cli_unstable().unstable_options {
-        return Err(failure::format_err!(
-            "`clippy-preview` is unstable, pass `-Z unstable-options` to enable it"
-        )
-        .into());
-    }
-
     let mut wrapper = util::process(util::config::clippy_driver());
 
     if let Some(clippy_args) = args.values_of("args") {

src/bin/cargo/commands/mod.rs

@@ -43,7 +43,7 @@ pub fn builtin_exec(cmd: &str) -> Option<fn(&mut Config, &ArgMatches<'_>) -> Cli
         "build" => build::exec,
         "check" => check::exec,
         "clean" => clean::exec,
-        "clippy-preview" => clippy::exec,
+        "clippy" => clippy::exec,
         "doc" => doc::exec,
         "fetch" => fetch::exec,
         "fix" => fix::exec,

src/doc/man/cargo-clippy.adoc

@@ -0,0 +1,84 @@
+= cargo-clippy(1)
+:idprefix: cargo_clippy_
+:doctype: manpage
+:actionverb: Clippy
+
+== NAME
+
+cargo-clippy - Check the current package with clippy
+
+== SYNOPSIS
+
+`cargo clippy [_OPTIONS_]`
+
+== DESCRIPTION
+
+Check a local package and all of its local dependencies for common mistakes
+with clippy.
+
+== OPTIONS
+
+=== Package Selection
+
+include::options-packages.adoc[]
+
+=== Target Selection
+
+When no target selection options are given, `cargo clippy` will check all
+binary and library targets of the selected packages. Binaries are skipped if
+they have `required-features` that are missing.
+
+include::options-targets.adoc[]
+
+include::options-features.adoc[]
+
+=== Compilation Options
+
+include::options-target-triple.adoc[]
+
+include::options-release.adoc[]
+
+include::options-profile.adoc[]
+
+=== Output Options
+
+include::options-target-dir.adoc[]
+
+=== Display Options
+
+include::options-display.adoc[]
+
+include::options-message-format.adoc[]
+
+=== Manifest Options
+
+include::options-manifest-path.adoc[]
+
+include::options-locked.adoc[]
+
+=== Common Options
+
+include::options-common.adoc[]
+
+=== Miscellaneous Options
+
+include::options-jobs.adoc[]
+
+include::section-profiles.adoc[]
+
+include::section-environment.adoc[]
+
+include::section-exit-status.adoc[]
+
+== EXAMPLES
+
+. Check the local package for common mistakes:
+
+    cargo clippy
+
+. Check all targets, including unit tests:
+
+    cargo clippy --all-targets --profile=test
+
+== SEE ALSO
+man:cargo[1], man:cargo-build[1], man:cargo-check[1]