[INFO] fetching crate casper 0.1.0...
[INFO] testing casper-0.1.0 against 1.59.0 for beta-1.60-1
[INFO] extracting crate casper 0.1.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate casper 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 casper 0.1.0
[INFO] finished tweaking crates.io crate casper 0.1.0
[INFO] tweaked toml for crates.io crate casper 0.1.0 written to /workspace/builds/worker-4/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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] fb426949f2adac8a96ce060788f7f767f3780b67b96ef76961cb9f4292d33504
[INFO] running `Command { std: "docker" "start" "-a" "fb426949f2adac8a96ce060788f7f767f3780b67b96ef76961cb9f4292d33504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fb426949f2adac8a96ce060788f7f767f3780b67b96ef76961cb9f4292d33504", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fb426949f2adac8a96ce060788f7f767f3780b67b96ef76961cb9f4292d33504", kill_on_drop: false }`
[INFO] [stdout] fb426949f2adac8a96ce060788f7f767f3780b67b96ef76961cb9f4292d33504
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] db4365b203e14572af3609c225de1ff18fd9fed006bd2fdae7405589439a77d5
[INFO] running `Command { std: "docker" "start" "-a" "db4365b203e14572af3609c225de1ff18fd9fed006bd2fdae7405589439a77d5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling casper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "db4365b203e14572af3609c225de1ff18fd9fed006bd2fdae7405589439a77d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db4365b203e14572af3609c225de1ff18fd9fed006bd2fdae7405589439a77d5", kill_on_drop: false }`
[INFO] [stdout] db4365b203e14572af3609c225de1ff18fd9fed006bd2fdae7405589439a77d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] d941edbc66adf42c01a43c0c9025ed9aab928bf7766bd55f3d3c8b90c59e9e38
[INFO] running `Command { std: "docker" "start" "-a" "d941edbc66adf42c01a43c0c9025ed9aab928bf7766bd55f3d3c8b90c59e9e38", kill_on_drop: false }`
[INFO] [stderr]    Compiling casper v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.36s
[INFO] running `Command { std: "docker" "inspect" "d941edbc66adf42c01a43c0c9025ed9aab928bf7766bd55f3d3c8b90c59e9e38", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d941edbc66adf42c01a43c0c9025ed9aab928bf7766bd55f3d3c8b90c59e9e38", kill_on_drop: false }`
[INFO] [stdout] d941edbc66adf42c01a43c0c9025ed9aab928bf7766bd55f3d3c8b90c59e9e38
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 556788248b30056d82446951cf418d6e6324aca856015a1aa07eb8b660eefae7
[INFO] running `Command { std: "docker" "start" "-a" "556788248b30056d82446951cf418d6e6324aca856015a1aa07eb8b660eefae7", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 5.35s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/casper-e66256545e934d3f)
[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" "556788248b30056d82446951cf418d6e6324aca856015a1aa07eb8b660eefae7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "556788248b30056d82446951cf418d6e6324aca856015a1aa07eb8b660eefae7", kill_on_drop: false }`
[INFO] [stdout] 556788248b30056d82446951cf418d6e6324aca856015a1aa07eb8b660eefae7