[INFO] fetching crate mls 0.0.1...
[INFO] testing mls-0.0.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate mls 0.0.1 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mls 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 mls 0.0.1
[INFO] finished tweaking crates.io crate mls 0.0.1
[INFO] tweaked toml for crates.io crate mls 0.0.1 written to /workspace/builds/worker-4/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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 890d57e074b73bb4d7e36a8f41128e26539fc77fdff3da92b60ddd177f502b81
[INFO] running `Command { std: "docker" "start" "-a" "890d57e074b73bb4d7e36a8f41128e26539fc77fdff3da92b60ddd177f502b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "890d57e074b73bb4d7e36a8f41128e26539fc77fdff3da92b60ddd177f502b81", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "890d57e074b73bb4d7e36a8f41128e26539fc77fdff3da92b60ddd177f502b81", kill_on_drop: false }`
[INFO] [stdout] 890d57e074b73bb4d7e36a8f41128e26539fc77fdff3da92b60ddd177f502b81
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 9a3f5764c21a8be03b3ff2502aff1f6424dec69a943c0640e6ac7abe2c7df814
[INFO] running `Command { std: "docker" "start" "-a" "9a3f5764c21a8be03b3ff2502aff1f6424dec69a943c0640e6ac7abe2c7df814", kill_on_drop: false }`
[INFO] [stderr]    Compiling mls v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "9a3f5764c21a8be03b3ff2502aff1f6424dec69a943c0640e6ac7abe2c7df814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a3f5764c21a8be03b3ff2502aff1f6424dec69a943c0640e6ac7abe2c7df814", kill_on_drop: false }`
[INFO] [stdout] 9a3f5764c21a8be03b3ff2502aff1f6424dec69a943c0640e6ac7abe2c7df814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f3b2caabf96ca830812135e259d1e4b18c9214783dc37c0149d17a72ef81d811
[INFO] running `Command { std: "docker" "start" "-a" "f3b2caabf96ca830812135e259d1e4b18c9214783dc37c0149d17a72ef81d811", kill_on_drop: false }`
[INFO] [stderr]    Compiling mls v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "f3b2caabf96ca830812135e259d1e4b18c9214783dc37c0149d17a72ef81d811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f3b2caabf96ca830812135e259d1e4b18c9214783dc37c0149d17a72ef81d811", kill_on_drop: false }`
[INFO] [stdout] f3b2caabf96ca830812135e259d1e4b18c9214783dc37c0149d17a72ef81d811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] f8d475b148e560f2afc7a4377242856d035261f3118f08794c8e4d5df4d81ac2
[INFO] running `Command { std: "docker" "start" "-a" "f8d475b148e560f2afc7a4377242856d035261f3118f08794c8e4d5df4d81ac2", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mls-25fafcc7e7c527bb)
[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 mls
[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" "f8d475b148e560f2afc7a4377242856d035261f3118f08794c8e4d5df4d81ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8d475b148e560f2afc7a4377242856d035261f3118f08794c8e4d5df4d81ac2", kill_on_drop: false }`
[INFO] [stdout] f8d475b148e560f2afc7a4377242856d035261f3118f08794c8e4d5df4d81ac2