[INFO] fetching crate dowser 0.2.4...
[INFO] checking dowser-0.2.4 against beta-2021-10-15 for beta-1.56-3
[INFO] extracting crate dowser 0.2.4 into /workspace/builds/worker-16/source
[INFO] validating manifest of crates.io crate dowser 0.2.4 on toolchain beta-2021-10-15
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate dowser 0.2.4
[INFO] finished tweaking crates.io crate dowser 0.2.4
[INFO] tweaked toml for crates.io crate dowser 0.2.4 written to /workspace/builds/worker-16/source/Cargo.toml
[INFO] crate crates.io crate dowser 0.2.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-10-15" "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-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c33705d88327f936c5373465a70fb94fedff63794d6de8977bc8454cd634259b
[INFO] running `Command { std: "docker" "start" "-a" "c33705d88327f936c5373465a70fb94fedff63794d6de8977bc8454cd634259b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c33705d88327f936c5373465a70fb94fedff63794d6de8977bc8454cd634259b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c33705d88327f936c5373465a70fb94fedff63794d6de8977bc8454cd634259b", kill_on_drop: false }`
[INFO] [stdout] c33705d88327f936c5373465a70fb94fedff63794d6de8977bc8454cd634259b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-16/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-10-15" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bbb81f5419cb60c2c0c0044dea6b7dfc72b1c2f6594a4a780cc5dd6e3cf8e165
[INFO] running `Command { std: "docker" "start" "-a" "bbb81f5419cb60c2c0c0044dea6b7dfc72b1c2f6594a4a780cc5dd6e3cf8e165", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.27
[INFO] [stderr]    Compiling libc v0.2.95
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling rayon-core v1.9.1
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]     Checking once_cell v1.7.2
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling rayon v1.5.1
[INFO] [stderr]    Compiling ahash v0.7.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking dactyl v0.1.7
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking num_cpus v1.13.0
[INFO] [stderr]     Checking getrandom v0.2.3
[INFO] [stderr]     Checking crossbeam-deque v0.8.0
[INFO] [stderr]     Checking dowser v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking brunch v0.1.2
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.65s
[INFO] running `Command { std: "docker" "inspect" "bbb81f5419cb60c2c0c0044dea6b7dfc72b1c2f6594a4a780cc5dd6e3cf8e165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bbb81f5419cb60c2c0c0044dea6b7dfc72b1c2f6594a4a780cc5dd6e3cf8e165", kill_on_drop: false }`
[INFO] [stdout] bbb81f5419cb60c2c0c0044dea6b7dfc72b1c2f6594a4a780cc5dd6e3cf8e165
