[INFO] fetching crate polychroma 0.0.0...
[INFO] testing polychroma-0.0.0 against 1.91.0 for beta-1.92-2
[INFO] extracting crate polychroma 0.0.0 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate polychroma 0.0.0
[INFO] finished tweaking crates.io crate polychroma 0.0.0
[INFO] tweaked toml for crates.io crate polychroma 0.0.0 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate polychroma 0.0.0 on toolchain 1.91.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.91.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate polychroma 0.0.0 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" "+1.91.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b8d4215112031cef7ac1bc515885f96cd858d0e04e5780a42c96a02a6655353
[INFO] running `Command { std: "docker" "start" "-a" "8b8d4215112031cef7ac1bc515885f96cd858d0e04e5780a42c96a02a6655353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b8d4215112031cef7ac1bc515885f96cd858d0e04e5780a42c96a02a6655353", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b8d4215112031cef7ac1bc515885f96cd858d0e04e5780a42c96a02a6655353", kill_on_drop: false }`
[INFO] [stdout] 8b8d4215112031cef7ac1bc515885f96cd858d0e04e5780a42c96a02a6655353
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca1274c67abd31cb66246f710c12a75e8ec2f168724b3c9c7998eaaa37d6fb31
[INFO] running `Command { std: "docker" "start" "-a" "ca1274c67abd31cb66246f710c12a75e8ec2f168724b3c9c7998eaaa37d6fb31", kill_on_drop: false }`
[INFO] [stderr]    Compiling polychroma v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.25s
[INFO] running `Command { std: "docker" "inspect" "ca1274c67abd31cb66246f710c12a75e8ec2f168724b3c9c7998eaaa37d6fb31", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca1274c67abd31cb66246f710c12a75e8ec2f168724b3c9c7998eaaa37d6fb31", kill_on_drop: false }`
[INFO] [stdout] ca1274c67abd31cb66246f710c12a75e8ec2f168724b3c9c7998eaaa37d6fb31
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 944a1f391f7f479a95b743a42c5816255540573806072d06e8ed90b357e75cfb
[INFO] running `Command { std: "docker" "start" "-a" "944a1f391f7f479a95b743a42c5816255540573806072d06e8ed90b357e75cfb", kill_on_drop: false }`
[INFO] [stderr]    Compiling polychroma v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.32s
[INFO] running `Command { std: "docker" "inspect" "944a1f391f7f479a95b743a42c5816255540573806072d06e8ed90b357e75cfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "944a1f391f7f479a95b743a42c5816255540573806072d06e8ed90b357e75cfb", kill_on_drop: false }`
[INFO] [stdout] 944a1f391f7f479a95b743a42c5816255540573806072d06e8ed90b357e75cfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+1.91.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e872c5004b6568be1178db507aad1eb80481098ec2584a7995145f6f4ac6df4f
[INFO] running `Command { std: "docker" "start" "-a" "e872c5004b6568be1178db507aad1eb80481098ec2584a7995145f6f4ac6df4f", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/polychroma-d2c64df68b3ce80e)
[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" "e872c5004b6568be1178db507aad1eb80481098ec2584a7995145f6f4ac6df4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e872c5004b6568be1178db507aad1eb80481098ec2584a7995145f6f4ac6df4f", kill_on_drop: false }`
[INFO] [stdout] e872c5004b6568be1178db507aad1eb80481098ec2584a7995145f6f4ac6df4f