Update ruzstd from 0.7 to 0.8

This increases MSRV since ruzstd 0.8 uses `#[expect]` attribute
stabilized in Rust 1.81 and exclusive range patterns stabilized in Rust
1.80.

```
  error[E0658]: the `#[expect]` attribute is an experimental feature
     --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ruzstd-0.8.0/src/decoding/frame.rs:116:5
      |
  116 |     #[expect(dead_code)]
      |     ^^^^^^^^^^^^^^^^^^^^
      |
      = note: see issue #54503 <rust-lang/rust#54503> for more information

  error[E0658]: exclusive range pattern syntax is experimental
     --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ruzstd-0.8.0/src/encoding/blocks/compressed.rs:209:9
      |
  209 |         0..6 => (0b00u8, 10),
      |         ^^^^
      |
      = note: see issue #37854 <rust-lang/rust#37854> for more information

  error[E0658]: exclusive range pattern syntax is experimental
     --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ruzstd-0.8.0/src/encoding/blocks/compressed.rs:210:9
      |
  210 |         6..1024 => (0b01, 10),
      |         ^^^^^^^
      |
      = note: see issue #37854 <rust-lang/rust#37854> for more information

  error[E0658]: exclusive range pattern syntax is experimental
     --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ruzstd-0.8.0/src/encoding/blocks/compressed.rs:211:9
      |
  211 |         1024..16384 => (0b10, 14),
      |         ^^^^^^^^^^^
      |
      = note: see issue #37854 <rust-lang/rust#37854> for more information

  error[E0658]: exclusive range pattern syntax is experimental
     --> /home/runner/.cargo/registry/src/index.crates.io-6f17d22bba15001f/ruzstd-0.8.0/src/encoding/blocks/compressed.rs:212:9
      |
  212 |         16384..262144 => (0b11, 18),
      |         ^^^^^^^^^^^^^
      |
      = note: see issue #37854 <rust-lang/rust#37854> for more information
```

Author: taiki-e

.github/.cspell/project-dictionary.txt

@@ -14,7 +14,6 @@ mcdc
 microkernel
 MSYSTEM
 nextest
-normpath
 notcovered
 profdata
 profraw

.github/workflows/ci.yml

@@ -40,8 +40,6 @@ jobs:
     uses: taiki-e/github-actions/.github/workflows/msrv.yml@main
     with:
       event_name: ${{ github.event_name }}
-      # MSRV is 1.74 on Windows due to normpath.
-      target: x86_64-unknown-linux-gnu
   release-dry-run:
     uses: taiki-e/github-actions/.github/workflows/release-dry-run.yml@main
   tidy:
@@ -57,11 +55,7 @@ jobs:
       fail-fast: false
       matrix:
         include:
-          # TODO: nightly-2023-04-27 (https://github.com/rust-lang/rust/pull/97368)
-          # and nightly-2023-05-03 (https://github.com/rust-lang/rust/pull/111042)
-          # fixed bugs in report generation, so the latest report is not the
-          # same as the old report.
-          # - rust: '1.60'
+          - rust: '1.81'
           - rust: stable
           - rust: beta
           - rust: nightly

CHANGELOG.md

@@ -12,6 +12,11 @@ Note: In this file, do not use the hard wrap in the middle of a sentence for com
 
 ## [Unreleased]
 
+- Update `ruzstd` to 0.8.
+
+  This increases the rustc version required to build cargo-llvm-cov. (rustc 1.73+ -> 1.81+)
+  The cargo/rustc version required to run cargo-llvm-cov remains unchanged.
+
 ## [0.6.15] - 2024-12-21
 
 - Remove dependency on `home` to relax the MSRV on Windows.

Cargo.toml

@@ -2,7 +2,7 @@
 name = "cargo-llvm-cov"
 version = "0.6.15" #publish:version
 edition = "2021"
-rust-version = "1.73"
+rust-version = "1.81"
 license = "Apache-2.0 OR MIT"
 repository = "https://github.com/taiki-e/cargo-llvm-cov"
 keywords = ["cargo", "coverage", "subcommand", "testing"]
@@ -34,7 +34,7 @@ lexopt = "0.3"
 opener = { version = "0.7", default-features = false }
 regex = { version = "1.3", default-features = false, features = ["perf", "std"] }
 rustc-demangle = { version = "0.1.23", features = ["std"] }
-ruzstd = { version = "0.7", default-features = false, features = ["std"] }
+ruzstd = { version = "0.8", default-features = false, features = ["std"] }
 serde = "1.0.165"
 serde_derive = "1.0.165"
 serde_json = "1"

README.md

@@ -638,7 +638,7 @@ cargo-llvm-cov --json | some-program
 cargo +stable install cargo-llvm-cov --locked
 ```
 
-Currently, installing cargo-llvm-cov requires rustc 1.73+ for non-Windows and rustc 1.74+ for Windows.
+Currently, installing cargo-llvm-cov requires rustc 1.81+.
 
 cargo-llvm-cov is usually runnable with Cargo versions older than the Rust version
 required for installation (e.g., `cargo +1.60 llvm-cov`). Currently, to run

src/main.rs

@@ -762,7 +762,7 @@ fn object_files(cx: &Context) -> Result<Vec<OsString>> {
         }
         target_dir.push("target");
         let archive_file = cx.args.nextest_archive_file.as_ref().unwrap();
-        let decoder = ruzstd::StreamingDecoder::new(fs::File::open(archive_file)?)?;
+        let decoder = ruzstd::decoding::StreamingDecoder::new(fs::File::open(archive_file)?)?;
         let mut archive = Archive::new(decoder);
         let mut binaries_metadata = vec![];
         for entry in archive.entries()? {

tests/test.rs

@@ -42,8 +42,6 @@ fn run(model: &str, name: &str, args: &[&str], envs: &[(&str, &str)]) {
 // TODO:
 // - add tests for non-crates.io dependencies
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn real1() {
     run("real1", "workspace_root", &[], &[]);
@@ -53,8 +51,6 @@ fn real1() {
     run("real1", "exclude", &["--all", "--exclude", "crate1"], &[]);
 }
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn virtual1() {
     run("virtual1", "workspace_root", &[], &[]);
@@ -82,8 +78,6 @@ fn virtual1() {
     run("virtual1", "exclude-from-test2", &["--workspace", "--exclude-from-test", "member2"], &[]);
 }
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn no_test() {
     run("no_test", "no_test", &[], &[]);
@@ -92,8 +86,6 @@ fn no_test() {
     }
 }
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn bin_crate() {
     run("bin_crate", "bin_crate", &[], &[]);
@@ -105,16 +97,12 @@ fn bin_crate() {
     }
 }
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn instantiations() {
     // TODO: fix https://github.com/taiki-e/cargo-llvm-cov/issues/43
     run("instantiations", "instantiations", &[], &[]);
 }
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn cargo_config() {
     run("cargo_config", "cargo_config", &[], &[]);
@@ -200,8 +188,6 @@ fn merge_with_failure_mode(output_dir: &Path, failure_mode_all: bool) {
     }
 }
 
-// nightly-2024-02-17 fixed bug in report generation, so the latest report is not the same as the old report.
-#[rustversion::attr(before(1.78), ignore)]
 #[test]
 fn clean_ws() {
     let model = "merge";