[INFO] fetching crate scientist 0.1.2...
[INFO] testing scientist-0.1.2 against 1.59.0 for beta-1.60-1
[INFO] extracting crate scientist 0.1.2 into /workspace/builds/worker-18/source
[INFO] validating manifest of crates.io crate scientist 0.1.2 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scientist 0.1.2
[INFO] finished tweaking crates.io crate scientist 0.1.2
[INFO] tweaked toml for crates.io crate scientist 0.1.2 written to /workspace/builds/worker-18/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 83ddfd7415bea128d2b64132a7b9e55c7f6992fb70847ac2f5ee43acb966fd5f
[INFO] running `Command { std: "docker" "start" "-a" "83ddfd7415bea128d2b64132a7b9e55c7f6992fb70847ac2f5ee43acb966fd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83ddfd7415bea128d2b64132a7b9e55c7f6992fb70847ac2f5ee43acb966fd5f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83ddfd7415bea128d2b64132a7b9e55c7f6992fb70847ac2f5ee43acb966fd5f", kill_on_drop: false }`
[INFO] [stdout] 83ddfd7415bea128d2b64132a7b9e55c7f6992fb70847ac2f5ee43acb966fd5f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5369ce045ad8c23e737b4e5433f91760b9410b90a9b91bc745f073a5ae26c14
[INFO] running `Command { std: "docker" "start" "-a" "c5369ce045ad8c23e737b4e5433f91760b9410b90a9b91bc745f073a5ae26c14", kill_on_drop: false }`
[INFO] [stderr]    Compiling scientist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
[INFO] running `Command { std: "docker" "inspect" "c5369ce045ad8c23e737b4e5433f91760b9410b90a9b91bc745f073a5ae26c14", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5369ce045ad8c23e737b4e5433f91760b9410b90a9b91bc745f073a5ae26c14", kill_on_drop: false }`
[INFO] [stdout] c5369ce045ad8c23e737b4e5433f91760b9410b90a9b91bc745f073a5ae26c14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 297d0caf499dc156c5791fda5a79a0619c6bb7b8145854f066d6d3217fcbd42b
[INFO] running `Command { std: "docker" "start" "-a" "297d0caf499dc156c5791fda5a79a0619c6bb7b8145854f066d6d3217fcbd42b", kill_on_drop: false }`
[INFO] [stderr]    Compiling scientist v0.1.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "297d0caf499dc156c5791fda5a79a0619c6bb7b8145854f066d6d3217fcbd42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "297d0caf499dc156c5791fda5a79a0619c6bb7b8145854f066d6d3217fcbd42b", kill_on_drop: false }`
[INFO] [stdout] 297d0caf499dc156c5791fda5a79a0619c6bb7b8145854f066d6d3217fcbd42b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-18/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" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 43ed3f15f341dae8d7d6ce976202a6a91dbf72c3d311ddfce38059313460b03d
[INFO] running `Command { std: "docker" "start" "-a" "43ed3f15f341dae8d7d6ce976202a6a91dbf72c3d311ddfce38059313460b03d", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.00s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/scientist-53f414a14ab616b0)
[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] [stderr]    Doc-tests scientist
[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" "43ed3f15f341dae8d7d6ce976202a6a91dbf72c3d311ddfce38059313460b03d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43ed3f15f341dae8d7d6ce976202a6a91dbf72c3d311ddfce38059313460b03d", kill_on_drop: false }`
[INFO] [stdout] 43ed3f15f341dae8d7d6ce976202a6a91dbf72c3d311ddfce38059313460b03d