[INFO] fetching crate density 0.5.1...
[INFO] testing density-0.5.1 against 1.59.0 for beta-1.60-1
[INFO] extracting crate density 0.5.1 into /workspace/builds/worker-22/source
[INFO] validating manifest of crates.io crate density 0.5.1 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 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-22/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 80c54b10bdb7fa8f1c393133312e6fb0378de5d7355c13cb993f356955a97f4f
[INFO] running `Command { std: "docker" "start" "-a" "80c54b10bdb7fa8f1c393133312e6fb0378de5d7355c13cb993f356955a97f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "80c54b10bdb7fa8f1c393133312e6fb0378de5d7355c13cb993f356955a97f4f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "80c54b10bdb7fa8f1c393133312e6fb0378de5d7355c13cb993f356955a97f4f", kill_on_drop: false }`
[INFO] [stdout] 80c54b10bdb7fa8f1c393133312e6fb0378de5d7355c13cb993f356955a97f4f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 743d5e17ca8643ba3a974a20126a324d2d6bbaea335d2b68bc700e2d2dace486
[INFO] running `Command { std: "docker" "start" "-a" "743d5e17ca8643ba3a974a20126a324d2d6bbaea335d2b68bc700e2d2dace486", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-width v0.1.9
[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 5.31s
[INFO] running `Command { std: "docker" "inspect" "743d5e17ca8643ba3a974a20126a324d2d6bbaea335d2b68bc700e2d2dace486", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "743d5e17ca8643ba3a974a20126a324d2d6bbaea335d2b68bc700e2d2dace486", kill_on_drop: false }`
[INFO] [stdout] 743d5e17ca8643ba3a974a20126a324d2d6bbaea335d2b68bc700e2d2dace486
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 1f94bfd753a6d8529cd8c6e4d6970313c4dbe99697c5d86a72a2c2ad0fc4c879
[INFO] running `Command { std: "docker" "start" "-a" "1f94bfd753a6d8529cd8c6e4d6970313c4dbe99697c5d86a72a2c2ad0fc4c879", 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 2.92s
[INFO] running `Command { std: "docker" "inspect" "1f94bfd753a6d8529cd8c6e4d6970313c4dbe99697c5d86a72a2c2ad0fc4c879", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f94bfd753a6d8529cd8c6e4d6970313c4dbe99697c5d86a72a2c2ad0fc4c879", kill_on_drop: false }`
[INFO] [stdout] 1f94bfd753a6d8529cd8c6e4d6970313c4dbe99697c5d86a72a2c2ad0fc4c879
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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] 9bc6c5b4bd5c14485758f1e1b660de4e6fef7d86bce6d9d3a0ecb3f4a31a9e49
[INFO] running `Command { std: "docker" "start" "-a" "9bc6c5b4bd5c14485758f1e1b660de4e6fef7d86bce6d9d3a0ecb3f4a31a9e49", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/ds-a44f5b9aa97e7973)
[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" "9bc6c5b4bd5c14485758f1e1b660de4e6fef7d86bce6d9d3a0ecb3f4a31a9e49", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bc6c5b4bd5c14485758f1e1b660de4e6fef7d86bce6d9d3a0ecb3f4a31a9e49", kill_on_drop: false }`
[INFO] [stdout] 9bc6c5b4bd5c14485758f1e1b660de4e6fef7d86bce6d9d3a0ecb3f4a31a9e49