[INFO] fetching crate chessboard 0.0.1...
[INFO] testing chessboard-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate chessboard 0.0.1 into /workspace/builds/worker-41/source
[INFO] validating manifest of crates.io crate chessboard 0.0.1 on toolchain beta-2022-02-22
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chessboard 0.0.1
[INFO] finished tweaking crates.io crate chessboard 0.0.1
[INFO] tweaked toml for crates.io crate chessboard 0.0.1 written to /workspace/builds/worker-41/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-02-22" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8b9679dfd3539b5ec1879411d4b7d2e8f67ca968795a44c6ca14b9fea2542857
[INFO] running `Command { std: "docker" "start" "-a" "8b9679dfd3539b5ec1879411d4b7d2e8f67ca968795a44c6ca14b9fea2542857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b9679dfd3539b5ec1879411d4b7d2e8f67ca968795a44c6ca14b9fea2542857", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b9679dfd3539b5ec1879411d4b7d2e8f67ca968795a44c6ca14b9fea2542857", kill_on_drop: false }`
[INFO] [stdout] 8b9679dfd3539b5ec1879411d4b7d2e8f67ca968795a44c6ca14b9fea2542857
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7ea4d8e738439cb35f7cb3aefc9a54a0317d62ec7eab66aee1728b3fdb251bc5
[INFO] running `Command { std: "docker" "start" "-a" "7ea4d8e738439cb35f7cb3aefc9a54a0317d62ec7eab66aee1728b3fdb251bc5", kill_on_drop: false }`
[INFO] [stderr]    Compiling chessboard v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "7ea4d8e738439cb35f7cb3aefc9a54a0317d62ec7eab66aee1728b3fdb251bc5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ea4d8e738439cb35f7cb3aefc9a54a0317d62ec7eab66aee1728b3fdb251bc5", kill_on_drop: false }`
[INFO] [stdout] 7ea4d8e738439cb35f7cb3aefc9a54a0317d62ec7eab66aee1728b3fdb251bc5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 040164f368ed8eb10f79af09b2322080854e132a761209f7c3bab038c80154ad
[INFO] running `Command { std: "docker" "start" "-a" "040164f368ed8eb10f79af09b2322080854e132a761209f7c3bab038c80154ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling chessboard v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.54s
[INFO] running `Command { std: "docker" "inspect" "040164f368ed8eb10f79af09b2322080854e132a761209f7c3bab038c80154ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "040164f368ed8eb10f79af09b2322080854e132a761209f7c3bab038c80154ad", kill_on_drop: false }`
[INFO] [stdout] 040164f368ed8eb10f79af09b2322080854e132a761209f7c3bab038c80154ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-41/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" "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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-02-22" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b0a05a6b5a2283bfe45149b704d7435f5d5b9af2aa7b1b8e16726a8db5030ada
[INFO] running `Command { std: "docker" "start" "-a" "b0a05a6b5a2283bfe45149b704d7435f5d5b9af2aa7b1b8e16726a8db5030ada", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/chessboard-f43b66b694d0b2e7)
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test tests::it_works ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chessboard
[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" "b0a05a6b5a2283bfe45149b704d7435f5d5b9af2aa7b1b8e16726a8db5030ada", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0a05a6b5a2283bfe45149b704d7435f5d5b9af2aa7b1b8e16726a8db5030ada", kill_on_drop: false }`
[INFO] [stdout] b0a05a6b5a2283bfe45149b704d7435f5d5b9af2aa7b1b8e16726a8db5030ada