Auto merge of #142697 - tgross35:rollup-xu4yuq6, r=tgross35

Rollup of 7 pull requests

Successful merges:

 - rust-lang/rust#140247 (Don't build `ParamEnv` and do trait solving in `ItemCtxt`s when lowering IATs)
 - rust-lang/rust#142507 (use `#[align]` attribute for `fn_align`)
 - rust-lang/rust#142524 (Weekly `cargo update`)
 - rust-lang/rust#142606 (AsyncDrop trait without sync Drop generates an error)
 - rust-lang/rust#142639 (Add a missing colon at the end of the panic location details in location-detail-unwrap-multiline.rs)
 - rust-lang/rust#142654 (library: Increase timeout on mpmc test to reduce flakes)
 - rust-lang/rust#142692 (Assorted bootstrap cleanups (step 3))

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

Author: bors

tests/pass/fn_align.rs

@@ -1,21 +1,21 @@
 //@compile-flags: -Zmin-function-alignment=8
 #![feature(fn_align)]
 
-// When a function uses `repr(align(N))`, the function address should be a multiple of `N`.
+// When a function uses `align(N)`, the function address should be a multiple of `N`.
 
-#[repr(align(256))]
+#[align(256)]
 fn foo() {}
 
-#[repr(align(16))]
+#[align(16)]
 fn bar() {}
 
-#[repr(align(4))]
+#[align(4)]
 fn baz() {}
 
 fn main() {
     assert!((foo as usize).is_multiple_of(256));
     assert!((bar as usize).is_multiple_of(16));
 
-    // The maximum of `repr(align(N))` and `-Zmin-function-alignment=N` is used.
+    // The maximum of `align(N)` and `-Zmin-function-alignment=N` is used.
     assert!((baz as usize).is_multiple_of(8));
 }