[INFO] fetching crate yamt 0.1.0...
[INFO] testing yamt-0.1.0 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate yamt 0.1.0 into /workspace/builds/worker-15/source
[INFO] validating manifest of crates.io crate yamt 0.1.0 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 yamt 0.1.0
[INFO] finished tweaking crates.io crate yamt 0.1.0
[INFO] tweaked toml for crates.io crate yamt 0.1.0 written to /workspace/builds/worker-15/source/Cargo.toml
[INFO] crate crates.io crate yamt 0.1.0 already has a lockfile, it will not be regenerated
[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-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 51692c9c9f8fb5ff8a23a481af0a453ddd7fbabbe567495f6f3e7ecb15a5bc59
[INFO] running `Command { std: "docker" "start" "-a" "51692c9c9f8fb5ff8a23a481af0a453ddd7fbabbe567495f6f3e7ecb15a5bc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "51692c9c9f8fb5ff8a23a481af0a453ddd7fbabbe567495f6f3e7ecb15a5bc59", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51692c9c9f8fb5ff8a23a481af0a453ddd7fbabbe567495f6f3e7ecb15a5bc59", kill_on_drop: false }`
[INFO] [stdout] 51692c9c9f8fb5ff8a23a481af0a453ddd7fbabbe567495f6f3e7ecb15a5bc59
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 67f8ff09669a04bdb57160a841a03925f12d7754240e9e8f82189edfb8dc344a
[INFO] running `Command { std: "docker" "start" "-a" "67f8ff09669a04bdb57160a841a03925f12d7754240e9e8f82189edfb8dc344a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling yamt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.37s
[INFO] running `Command { std: "docker" "inspect" "67f8ff09669a04bdb57160a841a03925f12d7754240e9e8f82189edfb8dc344a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "67f8ff09669a04bdb57160a841a03925f12d7754240e9e8f82189edfb8dc344a", kill_on_drop: false }`
[INFO] [stdout] 67f8ff09669a04bdb57160a841a03925f12d7754240e9e8f82189edfb8dc344a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 6c4793154578ff64935484064fa739ec7b6b9cf94383919468b898b131fb2e70
[INFO] running `Command { std: "docker" "start" "-a" "6c4793154578ff64935484064fa739ec7b6b9cf94383919468b898b131fb2e70", kill_on_drop: false }`
[INFO] [stderr]    Compiling yamt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `Command { std: "docker" "inspect" "6c4793154578ff64935484064fa739ec7b6b9cf94383919468b898b131fb2e70", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6c4793154578ff64935484064fa739ec7b6b9cf94383919468b898b131fb2e70", kill_on_drop: false }`
[INFO] [stdout] 6c4793154578ff64935484064fa739ec7b6b9cf94383919468b898b131fb2e70
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-15/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] 78d0b431fac983dce8a3f099614ade9a2fd2fed70b8fb5e8080c68f75ba3d581
[INFO] running `Command { std: "docker" "start" "-a" "78d0b431fac983dce8a3f099614ade9a2fd2fed70b8fb5e8080c68f75ba3d581", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/yamt-16d7ba53c075adcb)
[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" "78d0b431fac983dce8a3f099614ade9a2fd2fed70b8fb5e8080c68f75ba3d581", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78d0b431fac983dce8a3f099614ade9a2fd2fed70b8fb5e8080c68f75ba3d581", kill_on_drop: false }`
[INFO] [stdout] 78d0b431fac983dce8a3f099614ade9a2fd2fed70b8fb5e8080c68f75ba3d581