Auto merge of rust-lang#140043 - ChrisDenton:rollup-vwf0s9j, r=ChrisDenton

Rollup of 8 pull requests

Successful merges:

 - rust-lang#138934 (support config extensions)
 - rust-lang#139091 (Rewrite on_unimplemented format string parser.)
 - rust-lang#139753 (Make `#[naked]` an unsafe attribute)
 - rust-lang#139762 (Don't assemble non-env/bound candidates if projection is rigid)
 - rust-lang#139834 (Don't canonicalize crate paths)
 - rust-lang#139868 (Move `pal::env` to `std::sys::env_consts`)
 - rust-lang#139978 (Add citool command for generating a test dashboard)
 - rust-lang#139995 (Clean UI tests 4 of n)

r? `@ghost`
`@rustbot` modify labels: rollup

Author: bors

std/src/env.rs

@@ -950,7 +950,7 @@ impl fmt::Debug for ArgsOs {
 /// Constants associated with the current target
 #[stable(feature = "env", since = "1.0.0")]
 pub mod consts {
-    use crate::sys::env::os;
+    use crate::sys::env_consts::os;
 
     /// A string describing the architecture of the CPU that is currently in use.
     /// An example value may be: `"x86"`, `"arm"` or `"riscv64"`.