[INFO] fetching crate density 0.5.1...
[INFO] testing density-0.5.1 against beta-2022-02-22 for beta-1.60-1
[INFO] extracting crate density 0.5.1 into /workspace/builds/worker-101/source
[INFO] validating manifest of crates.io crate density 0.5.1 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 density 0.5.1
[INFO] finished tweaking crates.io crate density 0.5.1
[INFO] tweaked toml for crates.io crate density 0.5.1 written to /workspace/builds/worker-101/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] [stderr]     Blocking waiting for file lock on package cache
[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-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 994ad26a38b443a89bf9e0d2b687f64e6e80cdf6844762c2143583dfaaef38ea
[INFO] running `Command { std: "docker" "start" "-a" "994ad26a38b443a89bf9e0d2b687f64e6e80cdf6844762c2143583dfaaef38ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "994ad26a38b443a89bf9e0d2b687f64e6e80cdf6844762c2143583dfaaef38ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "994ad26a38b443a89bf9e0d2b687f64e6e80cdf6844762c2143583dfaaef38ea", kill_on_drop: false }`
[INFO] [stdout] 994ad26a38b443a89bf9e0d2b687f64e6e80cdf6844762c2143583dfaaef38ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] edd50683bb6d68561c41f6358824dbbae0d76fe7bd729efc2e73c6d3eaac849f
[INFO] running `Command { std: "docker" "start" "-a" "edd50683bb6d68561c41f6358824dbbae0d76fe7bd729efc2e73c6d3eaac849f", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling density v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.25s
[INFO] running `Command { std: "docker" "inspect" "edd50683bb6d68561c41f6358824dbbae0d76fe7bd729efc2e73c6d3eaac849f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "edd50683bb6d68561c41f6358824dbbae0d76fe7bd729efc2e73c6d3eaac849f", kill_on_drop: false }`
[INFO] [stdout] edd50683bb6d68561c41f6358824dbbae0d76fe7bd729efc2e73c6d3eaac849f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 5b6ed07944f9edfc5a7b8c6b1f47b3e86eec672031c02e30463e3ab83daaa814
[INFO] running `Command { std: "docker" "start" "-a" "5b6ed07944f9edfc5a7b8c6b1f47b3e86eec672031c02e30463e3ab83daaa814", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling density v0.5.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 2.73s
[INFO] running `Command { std: "docker" "inspect" "5b6ed07944f9edfc5a7b8c6b1f47b3e86eec672031c02e30463e3ab83daaa814", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6ed07944f9edfc5a7b8c6b1f47b3e86eec672031c02e30463e3ab83daaa814", kill_on_drop: false }`
[INFO] [stdout] 5b6ed07944f9edfc5a7b8c6b1f47b3e86eec672031c02e30463e3ab83daaa814
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-101/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] 50615d6546a9ceb1dbee4c6907bcdd270346373f050d038fd89301610ff6b08b
[INFO] running `Command { std: "docker" "start" "-a" "50615d6546a9ceb1dbee4c6907bcdd270346373f050d038fd89301610ff6b08b", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds-4d2a425751ef9fc6)
[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" "50615d6546a9ceb1dbee4c6907bcdd270346373f050d038fd89301610ff6b08b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "50615d6546a9ceb1dbee4c6907bcdd270346373f050d038fd89301610ff6b08b", kill_on_drop: false }`
[INFO] [stdout] 50615d6546a9ceb1dbee4c6907bcdd270346373f050d038fd89301610ff6b08b