[INFO] fetching crate png_color_converter 0.1.0...
[INFO] testing png_color_converter-0.1.0 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate png_color_converter 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate png_color_converter 0.1.0
[INFO] finished tweaking crates.io crate png_color_converter 0.1.0
[INFO] tweaked toml for crates.io crate png_color_converter 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate png_color_converter 0.1.0 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate png_color_converter 0.1.0 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] af8344f3f52662d470a196bd0e2095efca28b6d26b09b82d494bdd0f88a9f084
[INFO] running `Command { std: "docker" "start" "-a" "af8344f3f52662d470a196bd0e2095efca28b6d26b09b82d494bdd0f88a9f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "af8344f3f52662d470a196bd0e2095efca28b6d26b09b82d494bdd0f88a9f084", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af8344f3f52662d470a196bd0e2095efca28b6d26b09b82d494bdd0f88a9f084", kill_on_drop: false }`
[INFO] [stdout] af8344f3f52662d470a196bd0e2095efca28b6d26b09b82d494bdd0f88a9f084
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f93da1f852b2a84f20e2cde0098d59dc3c5a1cb6d3dfe54e3579763c5fbaf4e5
[INFO] running `Command { std: "docker" "start" "-a" "f93da1f852b2a84f20e2cde0098d59dc3c5a1cb6d3dfe54e3579763c5fbaf4e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.78
[INFO] [stderr]    Compiling anstyle v1.0.6
[INFO] [stderr]    Compiling anstyle-query v1.0.2
[INFO] [stderr]    Compiling clap_lex v0.7.0
[INFO] [stderr]    Compiling strsim v0.11.0
[INFO] [stderr]    Compiling anstyle-parse v0.2.3
[INFO] [stderr]    Compiling miniz_oxide v0.7.2
[INFO] [stderr]    Compiling fdeflate v0.3.4
[INFO] [stderr]    Compiling anstream v0.6.11
[INFO] [stderr]    Compiling clap_builder v4.5.0
[INFO] [stderr]    Compiling flate2 v1.0.28
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling png v0.17.11
[INFO] [stderr]    Compiling clap_derive v4.5.0
[INFO] [stderr]    Compiling clap v4.5.0
[INFO] [stderr]    Compiling png_color_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.99s
[INFO] running `Command { std: "docker" "inspect" "f93da1f852b2a84f20e2cde0098d59dc3c5a1cb6d3dfe54e3579763c5fbaf4e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f93da1f852b2a84f20e2cde0098d59dc3c5a1cb6d3dfe54e3579763c5fbaf4e5", kill_on_drop: false }`
[INFO] [stdout] f93da1f852b2a84f20e2cde0098d59dc3c5a1cb6d3dfe54e3579763c5fbaf4e5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d0dbfdfa372edee7f965967b9885f29f759633bbf452d7385bc67d54e6c8c7d4
[INFO] running `Command { std: "docker" "start" "-a" "d0dbfdfa372edee7f965967b9885f29f759633bbf452d7385bc67d54e6c8c7d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling png_color_converter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "d0dbfdfa372edee7f965967b9885f29f759633bbf452d7385bc67d54e6c8c7d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d0dbfdfa372edee7f965967b9885f29f759633bbf452d7385bc67d54e6c8c7d4", kill_on_drop: false }`
[INFO] [stdout] d0dbfdfa372edee7f965967b9885f29f759633bbf452d7385bc67d54e6c8c7d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] df2e3b15d6d716b6ae79e3ea46e0ad3fd06bbc517db2b80a447f28fc3bdaf29e
[INFO] running `Command { std: "docker" "start" "-a" "df2e3b15d6d716b6ae79e3ea46e0ad3fd06bbc517db2b80a447f28fc3bdaf29e", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/png_color_converter-46137d7e45988099)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/png_color_converter-3d4d4d9147f5ba22)
[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] [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] [stderr]    Doc-tests png_color_converter
[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" "df2e3b15d6d716b6ae79e3ea46e0ad3fd06bbc517db2b80a447f28fc3bdaf29e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df2e3b15d6d716b6ae79e3ea46e0ad3fd06bbc517db2b80a447f28fc3bdaf29e", kill_on_drop: false }`
[INFO] [stdout] df2e3b15d6d716b6ae79e3ea46e0ad3fd06bbc517db2b80a447f28fc3bdaf29e