[INFO] cloning repository https://github.com/romptroll/mandelbrot
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/romptroll/mandelbrot" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromptroll%2Fmandelbrot", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromptroll%2Fmandelbrot'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ca3493cdd7b856f4946f72d4a9bca1636273ac2f
[INFO] building romptroll/mandelbrot against master#461e8078010433ff7de2db2aaae8a3cfb0847215 for pr-94962
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fromptroll%2Fmandelbrot" "/workspace/builds/worker-84/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-84/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/romptroll/mandelbrot on toolchain 461e8078010433ff7de2db2aaae8a3cfb0847215
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/romptroll/mandelbrot
[INFO] finished tweaking git repo https://github.com/romptroll/mandelbrot
[INFO] tweaked toml for git repo https://github.com/romptroll/mandelbrot written to /workspace/builds/worker-84/source/Cargo.toml
[INFO] crate git repo https://github.com/romptroll/mandelbrot already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "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-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3d87476d3cf3a00e9caf6aeb10c01a9405e34626f9877f55457730cea2253483
[INFO] running `Command { std: "docker" "start" "-a" "3d87476d3cf3a00e9caf6aeb10c01a9405e34626f9877f55457730cea2253483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3d87476d3cf3a00e9caf6aeb10c01a9405e34626f9877f55457730cea2253483", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3d87476d3cf3a00e9caf6aeb10c01a9405e34626f9877f55457730cea2253483", kill_on_drop: false }`
[INFO] [stdout] 3d87476d3cf3a00e9caf6aeb10c01a9405e34626f9877f55457730cea2253483
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-84/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+461e8078010433ff7de2db2aaae8a3cfb0847215" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 13d84dbd663f3df6ab763961f260a4c128efb969b3b907c0d02b6f6bc258b017
[INFO] running `Command { std: "docker" "start" "-a" "13d84dbd663f3df6ab763961f260a4c128efb969b3b907c0d02b6f6bc258b017", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "13d84dbd663f3df6ab763961f260a4c128efb969b3b907c0d02b6f6bc258b017", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13d84dbd663f3df6ab763961f260a4c128efb969b3b907c0d02b6f6bc258b017", kill_on_drop: false }`
[INFO] [stdout] 13d84dbd663f3df6ab763961f260a4c128efb969b3b907c0d02b6f6bc258b017