Update regular tests for always-on check-cfg

Author: Urgau

tests/testsuite/build_script.rs

@@ -2609,7 +2609,10 @@ fn cfg_test() {
         )
         .file(
             "build.rs",
-            r#"fn main() { println!("cargo::rustc-cfg=foo"); }"#,
+            r#"fn main() {
+                println!("cargo::rustc-cfg=foo");
+                println!("cargo::rustc-check-cfg=cfg(foo)");
+            }"#,
         )
         .file(
             "src/lib.rs",
@@ -2714,6 +2717,9 @@ fn cfg_override_test() {
                 authors = []
                 build = "build.rs"
                 links = "a"
+
+                [lints.rust]
+                unexpected_cfgs = "allow" # bc of override, stable/nightly, tests
             "#,
         )
         .file("build.rs", "")
@@ -5557,9 +5563,10 @@ fn build_script_rerun_when_target_rustflags_change() {
             use std::env;
 
             fn main() {
+                println!("cargo::rustc-check-cfg=cfg(enable)");
                 if let Ok(rustflags) = env::var("CARGO_ENCODED_RUSTFLAGS") {
                     if !rustflags.is_empty() {
-                        println!("cargo::rustc-cfg=enable")
+                        println!("cargo::rustc-cfg=enable");
                     }
                 }
             }

tests/testsuite/cargo/z_help/stdout.term.svg

@@ -377,7 +377,8 @@ fn no_implicit_feature() {
             r#"
                 fn main() {
                     if cfg!(feature = "regex") { println!("regex"); }
-                    if cfg!(feature = "lazy_static") { println!("lazy_static"); }
+                    // #[expect(unexpected_cfgs)]
+                    // if cfg!(feature = "lazy_static") { println!("lazy_static"); }
                 }
             "#,
         )

tests/testsuite/features_namespaced.rs

@@ -189,9 +189,9 @@ fn virtual_with_specific() {
         .file(
             "a/src/lib.rs",
             r#"
-            #[cfg(not_feature = "f1")]
+            #[cfg(not(feature = "f1"))]
             compile_error!{"f1 is missing"}
-            #[cfg(not_feature = "f2")]
+            #[cfg(not(feature = "f2"))]
             compile_error!{"f2 is missing"}
             "#,
         )
@@ -211,9 +211,9 @@ fn virtual_with_specific() {
         .file(
             "b/src/lib.rs",
             r#"
-            #[cfg(not_feature = "f2")]
+            #[cfg(not(feature = "f2"))]
             compile_error!{"f2 is missing"}
-            #[cfg(not_feature = "f3")]
+            #[cfg(not(feature = "f3"))]
             compile_error!{"f3 is missing"}
             "#,
         )

tests/testsuite/package_features.rs

@@ -32,7 +32,7 @@ fn profile_overrides() {
 [RUNNING] `rustc --crate-name test --edition=2015 src/lib.rs [..]--crate-type lib \
         --emit=[..]link[..]\
         -C opt-level=1[..]\
-        -C debug-assertions=on \
+        -C debug-assertions=on[..] \
         -C metadata=[..] \
         -C rpath \
         --out-dir [..] \
@@ -141,7 +141,7 @@ fn check_opt_level_override(profile_level: &str, rustc_level: &str) {
         --emit=[..]link \
         -C opt-level={level}[..]\
         -C debuginfo=2 [..]\
-        -C debug-assertions=on \
+        -C debug-assertions=on[..] \
         -C metadata=[..] \
         --out-dir [..] \
         -L dependency=[CWD]/target/debug/deps`

tests/testsuite/profiles.rs

@@ -41,7 +41,7 @@ fn lib() {
 [COMPILING] foo v0.0.1 ([CWD])
 [RUNNING] `rustc --crate-name foo --edition=2015 src/lib.rs [..]--crate-type lib \
         --emit=[..]link[..]-C debuginfo=2 [..]\
-        -C debug-assertions=off \
+        -C debug-assertions=off[..]\
         -C metadata=[..] \
         --out-dir [..] \
         -L dependency=[CWD]/target/debug/deps`
@@ -69,7 +69,7 @@ fn build_main_and_allow_unstable_options() {
         -L dependency=[CWD]/target/debug/deps`
 [RUNNING] `rustc --crate-name {name} --edition=2015 src/main.rs [..]--crate-type bin \
         --emit=[..]link[..]-C debuginfo=2 [..]\
-        -C debug-assertions \
+        -C debug-assertions[..]\
         -C metadata=[..] \
         --out-dir [..] \
         -L dependency=[CWD]/target/debug/deps \

tests/testsuite/rustc.rs

@@ -1530,6 +1530,7 @@ fn two_matching_in_config() {
         .file(
             "src/main.rs",
             r#"
+                #![allow(unexpected_cfgs)]
                 fn main() {
                     if cfg!(foo = "a") {
                         println!("a");

tests/testsuite/rustflags.rs

@@ -9,6 +9,7 @@ use std::fmt::Write;
 // Helper to create lib.rs files that check features.
 fn require(enabled_features: &[&str], disabled_features: &[&str]) -> String {
     let mut s = String::new();
+    writeln!(s, "#![allow(unexpected_cfgs)]").unwrap();
     for feature in enabled_features {
         writeln!(s, "#[cfg(not(feature=\"{feature}\"))] compile_error!(\"expected feature {feature} to be enabled\");",
             feature=feature).unwrap();