[INFO] fetching crate pngmetagrep 0.1.4...
[INFO] testing pngmetagrep-0.1.4 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate pngmetagrep 0.1.4 into /workspace/builds/worker-3-tc2/source
[INFO] started tweaking crates.io crate pngmetagrep 0.1.4
[INFO] finished tweaking crates.io crate pngmetagrep 0.1.4
[INFO] tweaked toml for crates.io crate pngmetagrep 0.1.4 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate pngmetagrep 0.1.4 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 crates.io crate pngmetagrep 0.1.4 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-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 7ea02dc6450cd9530d0043bc96ca5d79621e1c8114c6dbe8c684dadf6af5526e
[INFO] running `Command { std: "docker" "start" "-a" "7ea02dc6450cd9530d0043bc96ca5d79621e1c8114c6dbe8c684dadf6af5526e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ea02dc6450cd9530d0043bc96ca5d79621e1c8114c6dbe8c684dadf6af5526e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea02dc6450cd9530d0043bc96ca5d79621e1c8114c6dbe8c684dadf6af5526e", kill_on_drop: false }`
[INFO] [stdout] 7ea02dc6450cd9530d0043bc96ca5d79621e1c8114c6dbe8c684dadf6af5526e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 0668928d3bdf91d6e490ca63b6cd298f19bf6a63a9a4f1729f5a3a2cce566dc6
[INFO] running `Command { std: "docker" "start" "-a" "0668928d3bdf91d6e490ca63b6cd298f19bf6a63a9a4f1729f5a3a2cce566dc6", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling pngmeta v0.1.4
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling quote v1.0.44
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling clap_builder v4.5.60
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling clap_derive v4.5.55
[INFO] [stderr]    Compiling pngmetagrep-core v0.1.4
[INFO] [stderr]    Compiling clap v4.5.60
[INFO] [stderr]    Compiling pngmetagrep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.63s
[INFO] running `Command { std: "docker" "inspect" "0668928d3bdf91d6e490ca63b6cd298f19bf6a63a9a4f1729f5a3a2cce566dc6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0668928d3bdf91d6e490ca63b6cd298f19bf6a63a9a4f1729f5a3a2cce566dc6", kill_on_drop: false }`
[INFO] [stdout] 0668928d3bdf91d6e490ca63b6cd298f19bf6a63a9a4f1729f5a3a2cce566dc6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] f80e3f70967d468e6eea54fb5bbb949e6b17448d4868d74485f5987fa4dd78d4
[INFO] running `Command { std: "docker" "start" "-a" "f80e3f70967d468e6eea54fb5bbb949e6b17448d4868d74485f5987fa4dd78d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling pngmetagrep v0.1.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "f80e3f70967d468e6eea54fb5bbb949e6b17448d4868d74485f5987fa4dd78d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f80e3f70967d468e6eea54fb5bbb949e6b17448d4868d74485f5987fa4dd78d4", kill_on_drop: false }`
[INFO] [stdout] f80e3f70967d468e6eea54fb5bbb949e6b17448d4868d74485f5987fa4dd78d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c68a91f1bbc90683d032c4581a93bf9fbe7475223f5089df39076c09b74eff5a
[INFO] running `Command { std: "docker" "start" "-a" "c68a91f1bbc90683d032c4581a93bf9fbe7475223f5089df39076c09b74eff5a", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/pngmetagrep-6f02e07368cfa72d)
[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 0.10s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c68a91f1bbc90683d032c4581a93bf9fbe7475223f5089df39076c09b74eff5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c68a91f1bbc90683d032c4581a93bf9fbe7475223f5089df39076c09b74eff5a", kill_on_drop: false }`
[INFO] [stdout] c68a91f1bbc90683d032c4581a93bf9fbe7475223f5089df39076c09b74eff5a
