[INFO] cloning repository https://github.com/gregyjames/pngmin
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/gregyjames/pngmin" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregyjames%2Fpngmin", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregyjames%2Fpngmin'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c358925da5055a05c209273bd0af0366c4b8d1b
[INFO] testing gregyjames/pngmin against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregyjames%2Fpngmin" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/gregyjames/pngmin
[INFO] finished tweaking git repo https://github.com/gregyjames/pngmin
[INFO] tweaked toml for git repo https://github.com/gregyjames/pngmin written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/gregyjames/pngmin on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/gregyjames/pngmin 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ceca77e156d9651018f77b8e7b2ebf5e8364834595cbedd5554a7d4ec9a25d2a
[INFO] running `Command { std: "docker" "start" "-a" "ceca77e156d9651018f77b8e7b2ebf5e8364834595cbedd5554a7d4ec9a25d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ceca77e156d9651018f77b8e7b2ebf5e8364834595cbedd5554a7d4ec9a25d2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ceca77e156d9651018f77b8e7b2ebf5e8364834595cbedd5554a7d4ec9a25d2a", kill_on_drop: false }`
[INFO] [stdout] ceca77e156d9651018f77b8e7b2ebf5e8364834595cbedd5554a7d4ec9a25d2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] adcd287ecd5a820bfb2a0bfc68701b52bccf25c847984b9b0518b848b6f9bb52
[INFO] running `Command { std: "docker" "start" "-a" "adcd287ecd5a820bfb2a0bfc68701b52bccf25c847984b9b0518b848b6f9bb52", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.180
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling getrandom v0.3.4
[INFO] [stderr]    Compiling zerocopy v0.8.33
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.22
[INFO] [stderr]    Compiling utf8parse v0.2.2
[INFO] [stderr]    Compiling crc32fast v1.5.0
[INFO] [stderr]    Compiling opaque-debug v0.3.1
[INFO] [stderr]    Compiling portable-atomic v1.13.0
[INFO] [stderr]    Compiling simd-adler32 v0.3.8
[INFO] [stderr]    Compiling colorchoice v1.0.4
[INFO] [stderr]    Compiling anstyle v1.0.13
[INFO] [stderr]    Compiling anstyle-query v1.1.5
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling is_terminal_polyfill v1.70.2
[INFO] [stderr]    Compiling unicode-width v0.2.2
[INFO] [stderr]    Compiling base64ct v1.8.3
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling adler2 v2.0.1
[INFO] [stderr]    Compiling anyhow v1.0.102
[INFO] [stderr]    Compiling log v0.4.29
[INFO] [stderr]    Compiling unit-prefix v0.5.2
[INFO] [stderr]    Compiling bumpalo v3.19.1
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling miniz_oxide v0.8.9
[INFO] [stderr]    Compiling zopfli v0.8.3
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling inout v0.1.4
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling flate2 v1.1.9
[INFO] [stderr]    Compiling getrandom v0.2.17
[INFO] [stderr]    Compiling console v0.16.2
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_core v0.9.5
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling crypto-common v0.1.7
[INFO] [stderr]    Compiling password-hash v0.5.0
[INFO] [stderr]    Compiling cipher v0.4.4
[INFO] [stderr]    Compiling universal-hash v0.5.1
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling aead v0.5.2
[INFO] [stderr]    Compiling blake2 v0.10.6
[INFO] [stderr]    Compiling polyval v0.6.2
[INFO] [stderr]    Compiling indicatif v0.18.4
[INFO] [stderr]    Compiling ghash v0.5.1
[INFO] [stderr]    Compiling aes v0.8.4
[INFO] [stderr]    Compiling ctr v0.9.2
[INFO] [stderr]    Compiling argon2 v0.5.3
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling aes-gcm v0.10.3
[INFO] [stderr]    Compiling rand v0.9.3
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling pngmin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `bit_depth`, `color_type`, and `interlace` are never read
[INFO] [stdout]   --> src/png/types.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PngInfo {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub bit_depth: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub color_type: u8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 26 |     pub interlace: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PngInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pixel` is never constructed
[INFO] [stdout]   --> src/png/types.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Pixel {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/png/read.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DecodedPng {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 14 |     pub fn get(&self, x: u32, y: u32) -> Pixel {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 18.83s
[INFO] running `Command { std: "docker" "inspect" "adcd287ecd5a820bfb2a0bfc68701b52bccf25c847984b9b0518b848b6f9bb52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "adcd287ecd5a820bfb2a0bfc68701b52bccf25c847984b9b0518b848b6f9bb52", kill_on_drop: false }`
[INFO] [stdout] adcd287ecd5a820bfb2a0bfc68701b52bccf25c847984b9b0518b848b6f9bb52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32f009310a26ca4c22bff179130a48a5ef63f3df46aa544e8a4dc4f1f4295970
[INFO] running `Command { std: "docker" "start" "-a" "32f009310a26ca4c22bff179130a48a5ef63f3df46aa544e8a4dc4f1f4295970", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngmin v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `bit_depth`, `color_type`, and `interlace` are never read
[INFO] [stdout]   --> src/png/types.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct PngInfo {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub bit_depth: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 25 |     pub color_type: u8,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 26 |     pub interlace: u8,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PngInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Pixel` is never constructed
[INFO] [stdout]   --> src/png/types.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 | pub struct Pixel {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]   --> src/png/read.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl DecodedPng {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 14 |     pub fn get(&self, x: u32, y: u32) -> Pixel {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.68s
[INFO] running `Command { std: "docker" "inspect" "32f009310a26ca4c22bff179130a48a5ef63f3df46aa544e8a4dc4f1f4295970", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32f009310a26ca4c22bff179130a48a5ef63f3df46aa544e8a4dc4f1f4295970", kill_on_drop: false }`
[INFO] [stdout] 32f009310a26ca4c22bff179130a48a5ef63f3df46aa544e8a4dc4f1f4295970
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 74e09b74948025f6d2637770ba01eb719b1ebfef8ad8eeaee1903331a59b80ec
[INFO] running `Command { std: "docker" "start" "-a" "74e09b74948025f6d2637770ba01eb719b1ebfef8ad8eeaee1903331a59b80ec", kill_on_drop: false }`
[INFO] [stderr] warning: fields `bit_depth`, `color_type`, and `interlace` are never read
[INFO] [stderr]   --> src/png/types.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 21 | pub struct PngInfo {
[INFO] [stderr]    |            ------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 24 |     pub bit_depth: u8,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 25 |     pub color_type: u8,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 26 |     pub interlace: u8,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `PngInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct `Pixel` is never constructed
[INFO] [stderr]   --> src/png/types.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 | pub struct Pixel {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get` is never used
[INFO] [stderr]   --> src/png/read.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl DecodedPng {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 14 |     pub fn get(&self, x: u32, y: u32) -> Pixel {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `pngmin` (bin "pngmin" test) generated 3 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.12s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngmin-798f2481734a4955)
[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" "74e09b74948025f6d2637770ba01eb719b1ebfef8ad8eeaee1903331a59b80ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74e09b74948025f6d2637770ba01eb719b1ebfef8ad8eeaee1903331a59b80ec", kill_on_drop: false }`
[INFO] [stdout] 74e09b74948025f6d2637770ba01eb719b1ebfef8ad8eeaee1903331a59b80ec
