[INFO] fetching crate flex-array 0.0.0...
[INFO] testing flex-array-0.0.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate flex-array 0.0.0 into /workspace/builds/worker-66/source
[INFO] validating manifest of crates.io crate flex-array 0.0.0 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 flex-array 0.0.0
[INFO] finished tweaking crates.io crate flex-array 0.0.0
[INFO] tweaked toml for crates.io crate flex-array 0.0.0 written to /workspace/builds/worker-66/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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] cbb953a9dda61a2e78ea9d9286eae5f6709a5af0a0a82ae27c66b7c595800326
[INFO] running `Command { std: "docker" "start" "-a" "cbb953a9dda61a2e78ea9d9286eae5f6709a5af0a0a82ae27c66b7c595800326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cbb953a9dda61a2e78ea9d9286eae5f6709a5af0a0a82ae27c66b7c595800326", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbb953a9dda61a2e78ea9d9286eae5f6709a5af0a0a82ae27c66b7c595800326", kill_on_drop: false }`
[INFO] [stdout] cbb953a9dda61a2e78ea9d9286eae5f6709a5af0a0a82ae27c66b7c595800326
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 5ecaa71f9a3600f970b813c95844d42a7f48ead6af9787c08fa2aa2bf865b319
[INFO] running `Command { std: "docker" "start" "-a" "5ecaa71f9a3600f970b813c95844d42a7f48ead6af9787c08fa2aa2bf865b319", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling flex-array v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.03s
[INFO] running `Command { std: "docker" "inspect" "5ecaa71f9a3600f970b813c95844d42a7f48ead6af9787c08fa2aa2bf865b319", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ecaa71f9a3600f970b813c95844d42a7f48ead6af9787c08fa2aa2bf865b319", kill_on_drop: false }`
[INFO] [stdout] 5ecaa71f9a3600f970b813c95844d42a7f48ead6af9787c08fa2aa2bf865b319
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 6d2704f1c574a130acf416fc5c4c427056b4286d38f7f3ffb03bc91ca1013c66
[INFO] running `Command { std: "docker" "start" "-a" "6d2704f1c574a130acf416fc5c4c427056b4286d38f7f3ffb03bc91ca1013c66", kill_on_drop: false }`
[INFO] [stderr]    Compiling flex-array v0.0.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "6d2704f1c574a130acf416fc5c4c427056b4286d38f7f3ffb03bc91ca1013c66", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6d2704f1c574a130acf416fc5c4c427056b4286d38f7f3ffb03bc91ca1013c66", kill_on_drop: false }`
[INFO] [stdout] 6d2704f1c574a130acf416fc5c4c427056b4286d38f7f3ffb03bc91ca1013c66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 7f62aae367eceebc50a9c273720fb3c81d583da2937284a32bee6c287b4c97a4
[INFO] running `Command { std: "docker" "start" "-a" "7f62aae367eceebc50a9c273720fb3c81d583da2937284a32bee6c287b4c97a4", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] running 0 tests
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/flex_array-e906620d6747329d)
[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 flex-array
[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" "7f62aae367eceebc50a9c273720fb3c81d583da2937284a32bee6c287b4c97a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7f62aae367eceebc50a9c273720fb3c81d583da2937284a32bee6c287b4c97a4", kill_on_drop: false }`
[INFO] [stdout] 7f62aae367eceebc50a9c273720fb3c81d583da2937284a32bee6c287b4c97a4