Update CI to the latest Rust nightly. (#105)

sunfishcode · web-flow · commit 3d9a3556b312 · 2023-12-10T21:12:58.000-08:00
This requires adding `#![feature(exposed_provenance)]`.
diff --git a/rust-toolchain.toml b/rust-toolchain.toml
@@ -1,3 +1,3 @@
 [toolchain]
-channel = "nightly-2023-11-19"
+channel = "nightly-2023-12-09"
 components = ["rustc", "cargo", "rust-std", "rust-src", "rustfmt"]
diff --git a/src/lib.rs b/src/lib.rs
@@ -7,6 +7,7 @@
 #![cfg_attr(debug_assertions, feature(link_llvm_intrinsics))]
 #![cfg_attr(feature = "experimental-relocate", feature(cfg_relocation_model))]
 #![feature(strict_provenance)]
+#![feature(exposed_provenance)]
 #![deny(fuzzy_provenance_casts, lossy_provenance_casts)]
 #![no_std]
 
