Apply clippy::unused_trait_names lint

Cargo.toml

@@ -26,6 +26,7 @@ inline_asm_x86_att_syntax = "warn"
 trailing_empty_array = "warn"
 transmute_undefined_repr = "warn"
 undocumented_unsafe_blocks = "warn"
+unused_trait_names = "warn"
 # Suppress buggy or noisy clippy lints
 bool_assert_comparison = { level = "allow", priority = 1 }
 borrow_as_ptr = { level = "allow", priority = 1 } # https://github.com/rust-lang/rust-clippy/issues/8286

tools/codegen/src/main.rs

@@ -5,7 +5,7 @@ use std::{
     collections::{BTreeMap, BTreeSet},
     env,
     ffi::OsStr,
-    io::Read,
+    io::Read as _,
     path::Path,
     sync::{LazyLock, RwLock},
     time::Duration,
@@ -17,7 +17,7 @@ use install_action_internal_codegen::{
     workspace_root, BaseManifest, HostPlatform, Manifest, ManifestDownloadInfo, ManifestRef,
     ManifestTemplate, ManifestTemplateDownloadInfo, Manifests, Signing, SigningKind, Version,
 };
-use sha2::{Digest, Sha256};
+use sha2::{Digest as _, Sha256};
 use spdx::expression::{ExprNode, ExpressionReq, Operator};
 
 fn main() -> Result<()> {

tools/codegen/src/tools-markdown.rs

@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: Apache-2.0 OR MIT
 
-use std::{env, fmt, io::Write, path::PathBuf};
+use std::{env, fmt, io::Write as _, path::PathBuf};
 
 use anyhow::Result;
 use fs_err as fs;