[ci] Roll pinned nightly toolchain (#1928)

And allow `non_local_definitions`.

Author: google-pr-creation-bot

Cargo.toml

@@ -41,7 +41,7 @@ zerocopy-diagnostic-on-unimplemented = "1.78.0"
 [package.metadata.ci]
 # The versions of the stable and nightly compiler toolchains to use in CI.
 pinned-stable = "1.81.0"
-pinned-nightly = "nightly-2024-10-14"
+pinned-nightly = "nightly-2024-10-16"
 
 [package.metadata.docs.rs]
 all-features = true

src/lib.rs

@@ -203,7 +203,7 @@
 // `unknown_lints` is `warn` by default and we deny warnings in CI, so without
 // this attribute, any unknown lint would cause a CI failure when testing with
 // our MSRV.
-#![allow(unknown_lints, unreachable_patterns)]
+#![allow(unknown_lints, non_local_definitions, unreachable_patterns)]
 #![deny(renamed_and_removed_lints)]
 #![deny(
     anonymous_parameters,