fix: Only run lints when cargo-lints are enabled

Author: Muscraft

src/cargo/core/workspace.rs

@@ -1159,7 +1159,9 @@ impl<'gctx> Workspace<'gctx> {
         for (path, maybe_pkg) in &self.packages.packages {
             let path = path.join("Cargo.toml");
             if let MaybePackage::Package(pkg) = maybe_pkg {
-                self.emit_lints(pkg, &path)?
+                if self.gctx.cli_unstable().cargo_lints {
+                    self.emit_lints(pkg, &path)?
+                }
             }
             let warnings = match maybe_pkg {
                 MaybePackage::Package(pkg) => pkg.manifest().warnings().warnings(),

tests/testsuite/lints/unused_optional_dependencies/edition_2024/mod.rs

@@ -33,9 +33,10 @@ target-dep = { version = "0.1.0", optional = true }
         .build();
 
     snapbox::cmd::Command::cargo_ui()
-        .masquerade_as_nightly_cargo(&["edition2024"])
+        .masquerade_as_nightly_cargo(&["cargo-lints", "edition2024"])
         .current_dir(p.root())
         .arg("check")
+        .arg("-Zcargo-lints")
         .assert()
         .success()
         .stdout_matches(str![""])

tests/testsuite/lints/unused_optional_dependencies/renamed_deps/mod.rs

@@ -32,9 +32,10 @@ target-dep = { version = "0.1.0", optional = true }
         .build();
 
     snapbox::cmd::Command::cargo_ui()
-        .masquerade_as_nightly_cargo(&["edition2024"])
+        .masquerade_as_nightly_cargo(&["cargo-lints", "edition2024"])
         .current_dir(p.root())
         .arg("check")
+        .arg("-Zcargo-lints")
         .assert()
         .success()
         .stdout_matches(str![""])