[INFO] fetching crate spock 0.1.0...
[INFO] checking spock-0.1.0 against master#1c7b36d4db582cb47513a6c7176baaec1c3346ab for pr-99197
[INFO] extracting crate spock 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate spock 0.1.0 on toolchain 1c7b36d4db582cb47513a6c7176baaec1c3346ab
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spock 0.1.0
[INFO] finished tweaking crates.io crate spock 0.1.0
[INFO] tweaked toml for crates.io crate spock 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 42a5bd5e34ee9f2532409adc445b912bed6e42993ac5abc4188b711a77f24c6f
[INFO] running `Command { std: "docker" "start" "-a" "42a5bd5e34ee9f2532409adc445b912bed6e42993ac5abc4188b711a77f24c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "42a5bd5e34ee9f2532409adc445b912bed6e42993ac5abc4188b711a77f24c6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "42a5bd5e34ee9f2532409adc445b912bed6e42993ac5abc4188b711a77f24c6f", kill_on_drop: false }`
[INFO] [stdout] 42a5bd5e34ee9f2532409adc445b912bed6e42993ac5abc4188b711a77f24c6f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=forbid" "-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:ecb52c4cf6672b83cc996368a05b4a059042425f2b6ba9cd23a06cdead5d8d70" "/opt/rustwide/cargo-home/bin/cargo" "+1c7b36d4db582cb47513a6c7176baaec1c3346ab" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44881c84972f416570d92e3efb3446ae19b11dc7c17a77f2abe1d7038c24616a
[INFO] running `Command { std: "docker" "start" "-a" "44881c84972f416570d92e3efb3446ae19b11dc7c17a77f2abe1d7038c24616a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking spock v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 7.62s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "44881c84972f416570d92e3efb3446ae19b11dc7c17a77f2abe1d7038c24616a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44881c84972f416570d92e3efb3446ae19b11dc7c17a77f2abe1d7038c24616a", kill_on_drop: false }`
[INFO] [stdout] 44881c84972f416570d92e3efb3446ae19b11dc7c17a77f2abe1d7038c24616a