Upgrade to rustdoc-types 0.56 and nightly-2025-10-18

Author: joshtriplett

.github/workflows/ci.yml

@@ -14,7 +14,7 @@ env:
   RUSTFLAGS: -Dwarnings
   RUSTDOCFLAGS: -Dwarnings
   RUST_BACKTRACE: 1
-  rust_version: nightly-2025-08-06
+  rust_version: nightly-2025-10-18
 
 jobs:
   fmt:

Cargo.lock

@@ -13,7 +13,7 @@ cargo_metadata = "0.19"
 clap = { version = "4.4.18", features = ["derive"] }
 owo-colors = { version = "4", features = ["supports-colors"] }
 pest = "2" # For pretty error formatting
-rustdoc-types = "0.55"
+rustdoc-types = "0.56"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
 toml = "0.8"

Cargo.toml

@@ -39,7 +39,7 @@ How to Use
 _Important:_ This tool requires a nightly build of Rust to be installed since it
 relies on the [rustdoc JSON
 output](https://github.com/rust-lang/rust/issues/76578), which hasn't been
-stabilized yet. The `main` branch was last tested against `nightly-2025-08-06`.
+stabilized yet. The `main` branch was last tested against `nightly-2025-10-18`.
 For info on what nightly version a specific release depends on, see the
 [releases](https://github.com/awslabs/cargo-check-external-types/releases) page.
 

README.md

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "nightly-2025-08-06"
+channel = "nightly-2025-10-18"