Auto merge of #13632 - Muscraft:fix-lints-z-flag, r=ehuss

fix: Warn on -Zlints

When the `[lints]` table was stabilized in #12648, it appears that making `-Zlints` into a warning when specified was missed, this PR fixes that.

Author: bors

Diff for: src/cargo/core/features.rs

@@ -762,7 +762,6 @@ unstable_cli_options!(
     git: Option<GitFeatures> = ("Enable support for shallow git fetch operations"),
     gitoxide: Option<GitoxideFeatures> = ("Use gitoxide for the given git interactions, or all of them if no argument is given"),
     host_config: bool = ("Enable the `[host]` section in the .cargo/config.toml file"),
-    lints: bool = ("Pass `[lints]` to the linting tools"),
     minimal_versions: bool = ("Resolve minimal dependency versions instead of maximum"),
     msrv_policy: bool = ("Enable rust-version aware policy within cargo"),
     mtime_on_use: bool = ("Configure Cargo to update the mtime of used files"),
@@ -853,6 +852,8 @@ const STABILIZED_CREDENTIAL_PROCESS: &str =
 const STABILIZED_REGISTRY_AUTH: &str =
     "Authenticated registries are available if a credential provider is configured.";
 
+const STABILIZED_LINTS: &str = "The `[lints]` table is now always available.";
+
 fn deserialize_build_std<'de, D>(deserializer: D) -> Result<Option<Vec<String>>, D::Error>
 where
     D: serde::Deserializer<'de>,
@@ -1105,6 +1106,7 @@ impl CliUnstable {
             "terminal-width" => stabilized_warn(k, "1.68", STABILIZED_TERMINAL_WIDTH),
             "doctest-in-workspace" => stabilized_warn(k, "1.72", STABILIZED_DOCTEST_IN_WORKSPACE),
             "credential-process" => stabilized_warn(k, "1.74", STABILIZED_CREDENTIAL_PROCESS),
+            "lints" => stabilized_warn(k, "1.74", STABILIZED_LINTS),
             "registry-auth" => stabilized_warn(k, "1.74", STABILIZED_REGISTRY_AUTH),
 
             // Unstable features
@@ -1141,7 +1143,6 @@ impl CliUnstable {
                 )?
             }
             "host-config" => self.host_config = parse_empty(k, v)?,
-            "lints" => self.lints = parse_empty(k, v)?,
             "next-lockfile-bump" => self.next_lockfile_bump = parse_empty(k, v)?,
             "minimal-versions" => self.minimal_versions = parse_empty(k, v)?,
             "msrv-policy" => self.msrv_policy = parse_empty(k, v)?,