[INFO] cloning repository https://github.com/cct124/png-palettes-optimization [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cct124/png-palettes-optimization" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fpng-palettes-optimization", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fpng-palettes-optimization'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 76aa2059e91d3d9179235e6e49214fce5a03425a [INFO] testing cct124/png-palettes-optimization/76aa2059e91d3d9179235e6e49214fce5a03425a against 1.81.0 for beta-1.82-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcct124%2Fpng-palettes-optimization" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/cct124/png-palettes-optimization on toolchain 1.81.0 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/cct124/png-palettes-optimization [INFO] finished tweaking git repo https://github.com/cct124/png-palettes-optimization [INFO] tweaked toml for git repo https://github.com/cct124/png-palettes-optimization written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/cct124/png-palettes-optimization already has a lockfile, it will not be regenerated [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.81.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded imagequant v4.0.4 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 171384d52250a6229abf6521c1e2454341b3f4d43ade852bcda30441d8e06825 [INFO] running `Command { std: "docker" "start" "-a" "171384d52250a6229abf6521c1e2454341b3f4d43ade852bcda30441d8e06825", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "171384d52250a6229abf6521c1e2454341b3f4d43ade852bcda30441d8e06825", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "171384d52250a6229abf6521c1e2454341b3f4d43ade852bcda30441d8e06825", kill_on_drop: false }` [INFO] [stdout] 171384d52250a6229abf6521c1e2454341b3f4d43ade852bcda30441d8e06825 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 4b5ac3f90fbd1258957d07b3129cbb5d6393e0b3cfaf11cb5347b0340e265dbe [INFO] running `Command { std: "docker" "start" "-a" "4b5ac3f90fbd1258957d07b3129cbb5d6393e0b3cfaf11cb5347b0340e265dbe", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Compiling libc v0.2.137 [INFO] [stderr] Compiling crossbeam-utils v0.8.12 [INFO] [stderr] Compiling version_check v0.9.4 [INFO] [stderr] Compiling proc-macro2 v1.0.47 [INFO] [stderr] Compiling unicode-ident v1.0.5 [INFO] [stderr] Compiling quote v1.0.21 [INFO] [stderr] Compiling syn v1.0.103 [INFO] [stderr] Compiling rayon-core v1.9.3 [INFO] [stderr] Compiling scopeguard v1.1.0 [INFO] [stderr] Compiling adler v1.0.2 [INFO] [stderr] Compiling proc-macro-error-attr v1.0.4 [INFO] [stderr] Compiling proc-macro-error v1.0.4 [INFO] [stderr] Compiling memoffset v0.6.5 [INFO] [stderr] Compiling crossbeam-epoch v0.9.11 [INFO] [stderr] Compiling num-traits v0.2.15 [INFO] [stderr] Compiling crc32fast v1.3.2 [INFO] [stderr] Compiling crossbeam-channel v0.5.6 [INFO] [stderr] Compiling rayon v1.5.3 [INFO] [stderr] Compiling once_cell v1.16.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.2 [INFO] [stderr] Compiling num_cpus v1.13.1 [INFO] [stderr] Compiling atty v0.2.14 [INFO] [stderr] Compiling miniz_oxide v0.5.4 [INFO] [stderr] Compiling os_str_bytes v6.3.1 [INFO] [stderr] Compiling bitflags v1.3.2 [INFO] [stderr] Compiling bytemuck v1.12.2 [INFO] [stderr] Compiling heck v0.4.0 [INFO] [stderr] Compiling either v1.8.0 [INFO] [stderr] Compiling flate2 v1.0.24 [INFO] [stderr] Compiling rgb v0.8.34 [INFO] [stderr] Compiling clap_lex v0.3.0 [INFO] [stderr] Compiling thread_local v1.1.4 [INFO] [stderr] Compiling noisy_float v0.2.0 [INFO] [stderr] Compiling miniz_oxide v0.6.2 [INFO] [stderr] Compiling termcolor v1.1.3 [INFO] [stderr] Compiling arrayvec v0.7.2 [INFO] [stderr] Compiling lazy_static v1.4.0 [INFO] [stderr] Compiling strsim v0.10.0 [INFO] [stderr] Compiling colored v2.0.0 [INFO] [stderr] Compiling png v0.17.7 [INFO] [stderr] Compiling imagequant v4.0.4 [INFO] [stderr] Compiling clap_derive v4.0.18 [INFO] [stderr] Compiling clap v4.0.18 [INFO] [stderr] Compiling png-palettes-optimization v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Error::*` [INFO] [stdout] --> src/error.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use Error::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::builder::Str` [INFO] [stdout] --> src/optimization/optimization.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use clap::builder::Str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Unsupported` is never constructed [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 7 | /// Congratulations, you've discovered an edge case [INFO] [stdout] 8 | Unsupported, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/thread/thread_pool.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 59 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 60 | /// 工作线程id [INFO] [stdout] 61 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.08s [INFO] running `Command { std: "docker" "inspect" "4b5ac3f90fbd1258957d07b3129cbb5d6393e0b3cfaf11cb5347b0340e265dbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4b5ac3f90fbd1258957d07b3129cbb5d6393e0b3cfaf11cb5347b0340e265dbe", kill_on_drop: false }` [INFO] [stdout] 4b5ac3f90fbd1258957d07b3129cbb5d6393e0b3cfaf11cb5347b0340e265dbe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] f6a4647942056f08d4889436ecf5aa03c05aa771c0245ac71a61cf88c5bf7ad1 [INFO] running `Command { std: "docker" "start" "-a" "f6a4647942056f08d4889436ecf5aa03c05aa771c0245ac71a61cf88c5bf7ad1", kill_on_drop: false }` [INFO] [stderr] Compiling png-palettes-optimization v0.1.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Error::*` [INFO] [stdout] --> src/error.rs:2:9 [INFO] [stdout] | [INFO] [stdout] 2 | pub use Error::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `clap::builder::Str` [INFO] [stdout] --> src/optimization/optimization.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use clap::builder::Str; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Unsupported` is never constructed [INFO] [stdout] --> src/error.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Error { [INFO] [stdout] | ----- variant in this enum [INFO] [stdout] 7 | /// Congratulations, you've discovered an edge case [INFO] [stdout] 8 | Unsupported, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `id` is never read [INFO] [stdout] --> src/thread/thread_pool.rs:61:5 [INFO] [stdout] | [INFO] [stdout] 59 | struct Worker { [INFO] [stdout] | ------ field in this struct [INFO] [stdout] 60 | /// 工作线程id [INFO] [stdout] 61 | id: usize, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 4 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.31s [INFO] running `Command { std: "docker" "inspect" "f6a4647942056f08d4889436ecf5aa03c05aa771c0245ac71a61cf88c5bf7ad1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f6a4647942056f08d4889436ecf5aa03c05aa771c0245ac71a61cf88c5bf7ad1", kill_on_drop: false }` [INFO] [stdout] f6a4647942056f08d4889436ecf5aa03c05aa771c0245ac71a61cf88c5bf7ad1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:96c0aa5895ecf336b730ef27bcdde6e21027415df19888aad3cf1448e5d65d90" "/opt/rustwide/cargo-home/bin/cargo" "+1.81.0" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 8ba6dd803f36a7260520858b67065ac932cb67c73960d7cff6b229206c963645 [INFO] running `Command { std: "docker" "start" "-a" "8ba6dd803f36a7260520858b67065ac932cb67c73960d7cff6b229206c963645", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Error::*` [INFO] [stderr] --> src/error.rs:2:9 [INFO] [stderr] | [INFO] [stderr] 2 | pub use Error::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `clap::builder::Str` [INFO] [stderr] --> src/optimization/optimization.rs:4:5 [INFO] [stderr] | [INFO] [stderr] 4 | use clap::builder::Str; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant `Unsupported` is never constructed [INFO] [stderr] --> src/error.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 6 | pub enum Error { [INFO] [stderr] | ----- variant in this enum [INFO] [stderr] 7 | /// Congratulations, you've discovered an edge case [INFO] [stderr] 8 | Unsupported, [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Error` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field `id` is never read [INFO] [stderr] --> src/thread/thread_pool.rs:61:5 [INFO] [stderr] | [INFO] [stderr] 59 | struct Worker { [INFO] [stderr] | ------ field in this struct [INFO] [stderr] 60 | /// 工作线程id [INFO] [stderr] 61 | id: usize, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `Worker` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: `png-palettes-optimization` (bin "png-palettes-optimization" test) generated 4 warnings (run `cargo fix --bin "png-palettes-optimization" --tests` to apply 2 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/png_palettes_optimization-51f2483bc38b1908) [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "8ba6dd803f36a7260520858b67065ac932cb67c73960d7cff6b229206c963645", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8ba6dd803f36a7260520858b67065ac932cb67c73960d7cff6b229206c963645", kill_on_drop: false }` [INFO] [stdout] 8ba6dd803f36a7260520858b67065ac932cb67c73960d7cff6b229206c963645