[INFO] fetching crate mutt 0.1.0...
[INFO] testing mutt-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate mutt 0.1.0 into /workspace/builds/worker-42/source
[INFO] validating manifest of crates.io crate mutt 0.1.0 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 mutt 0.1.0
[INFO] finished tweaking crates.io crate mutt 0.1.0
[INFO] tweaked toml for crates.io crate mutt 0.1.0 written to /workspace/builds/worker-42/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] 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-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 4bdf3ff8521ada7a52b7743719a49a4ee338c5bfa4d8aa6f9a786def13b2b8be
[INFO] running `Command { std: "docker" "start" "-a" "4bdf3ff8521ada7a52b7743719a49a4ee338c5bfa4d8aa6f9a786def13b2b8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4bdf3ff8521ada7a52b7743719a49a4ee338c5bfa4d8aa6f9a786def13b2b8be", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4bdf3ff8521ada7a52b7743719a49a4ee338c5bfa4d8aa6f9a786def13b2b8be", kill_on_drop: false }`
[INFO] [stdout] 4bdf3ff8521ada7a52b7743719a49a4ee338c5bfa4d8aa6f9a786def13b2b8be
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 2eae30c6ede89522e7d5051d34f6c00b0ee567f330e1b9ac324ab2209b37bb8a
[INFO] running `Command { std: "docker" "start" "-a" "2eae30c6ede89522e7d5051d34f6c00b0ee567f330e1b9ac324ab2209b37bb8a", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "2eae30c6ede89522e7d5051d34f6c00b0ee567f330e1b9ac324ab2209b37bb8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2eae30c6ede89522e7d5051d34f6c00b0ee567f330e1b9ac324ab2209b37bb8a", kill_on_drop: false }`
[INFO] [stdout] 2eae30c6ede89522e7d5051d34f6c00b0ee567f330e1b9ac324ab2209b37bb8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] af0c5120e9e452d9dd42efb3f846ad7b709aaff40d4a1145d0c71224c5e8d4e8
[INFO] running `Command { std: "docker" "start" "-a" "af0c5120e9e452d9dd42efb3f846ad7b709aaff40d4a1145d0c71224c5e8d4e8", kill_on_drop: false }`
[INFO] [stderr]    Compiling mutt v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.47s
[INFO] running `Command { std: "docker" "inspect" "af0c5120e9e452d9dd42efb3f846ad7b709aaff40d4a1145d0c71224c5e8d4e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "af0c5120e9e452d9dd42efb3f846ad7b709aaff40d4a1145d0c71224c5e8d4e8", kill_on_drop: false }`
[INFO] [stdout] af0c5120e9e452d9dd42efb3f846ad7b709aaff40d4a1145d0c71224c5e8d4e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-42/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] 89e217e33541ecc88d2563bbee1a23e4f9b4162ddc8ade721e8ee52c8c22081e
[INFO] running `Command { std: "docker" "start" "-a" "89e217e33541ecc88d2563bbee1a23e4f9b4162ddc8ade721e8ee52c8c22081e", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/mutt-ddcc5ac737b45743)
[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 mutt
[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" "89e217e33541ecc88d2563bbee1a23e4f9b4162ddc8ade721e8ee52c8c22081e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89e217e33541ecc88d2563bbee1a23e4f9b4162ddc8ade721e8ee52c8c22081e", kill_on_drop: false }`
[INFO] [stdout] 89e217e33541ecc88d2563bbee1a23e4f9b4162ddc8ade721e8ee52c8c22081e