rustup: update to nightly-2024-01-05.

Author: eddyb

crates/rustc_codegen_spirv/build.rs

@@ -10,9 +10,9 @@ use std::process::{Command, ExitCode};
 /// `cargo publish`. We need to figure out a way to do this properly, but let's hardcode it for now :/
 //const REQUIRED_RUST_TOOLCHAIN: &str = include_str!("../../rust-toolchain.toml");
 const REQUIRED_RUST_TOOLCHAIN: &str = r#"[toolchain]
-channel = "nightly-2023-12-31"
+channel = "nightly-2024-01-05"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = 2a3e63551fe21458637480a97b65a2d15dec8062"#;
+# commit_hash = f688dd684faca5b31b156fac2c6e0ae81fc9bc90"#;
 
 fn get_rustc_commit_hash() -> Result<String, Box<dyn Error>> {
     let rustc = std::env::var("RUSTC").unwrap_or_else(|_| String::from("rustc"));

rust-toolchain.toml

@@ -1,7 +1,7 @@
 [toolchain]
-channel = "nightly-2023-12-31"
+channel = "nightly-2024-01-05"
 components = ["rust-src", "rustc-dev", "llvm-tools"]
-# commit_hash = 2a3e63551fe21458637480a97b65a2d15dec8062
+# commit_hash = f688dd684faca5b31b156fac2c6e0ae81fc9bc90
 
 # Whenever changing the nightly channel, update the commit hash above, and make
 # sure to change `REQUIRED_TOOLCHAIN` in `crates/rustc_codegen_spirv/build.rs` also.