[INFO] cloning repository https://github.com/darkforestsilence/ccompiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darkforestsilence/ccompiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkforestsilence%2Fccompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkforestsilence%2Fccompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b827e8f939ca6a6891fd59672002a09b2e41ed59
[INFO] checking darkforestsilence/ccompiler against try#751cdbaf3a893bc71b2c617bb7be22dfea5f0862 for pr-95611
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarkforestsilence%2Fccompiler" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/darkforestsilence/ccompiler on toolchain 751cdbaf3a893bc71b2c617bb7be22dfea5f0862
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/darkforestsilence/ccompiler
[INFO] finished tweaking git repo https://github.com/darkforestsilence/ccompiler
[INFO] tweaked toml for git repo https://github.com/darkforestsilence/ccompiler written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/darkforestsilence/ccompiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "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-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0d82a6307459f57db2c713485fdb2350ebbc9596fd8686545d0d57e564f162f7
[INFO] running `Command { std: "docker" "start" "-a" "0d82a6307459f57db2c713485fdb2350ebbc9596fd8686545d0d57e564f162f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0d82a6307459f57db2c713485fdb2350ebbc9596fd8686545d0d57e564f162f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0d82a6307459f57db2c713485fdb2350ebbc9596fd8686545d0d57e564f162f7", kill_on_drop: false }`
[INFO] [stdout] 0d82a6307459f57db2c713485fdb2350ebbc9596fd8686545d0d57e564f162f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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" "+751cdbaf3a893bc71b2c617bb7be22dfea5f0862" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe636269871ece515cac34330d3de4c5ad1aa7fa7ce33166e1e41a178f70e375
[INFO] running `Command { std: "docker" "start" "-a" "fe636269871ece515cac34330d3de4c5ad1aa7fa7ce33166e1e41a178f70e375", 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" "fe636269871ece515cac34330d3de4c5ad1aa7fa7ce33166e1e41a178f70e375", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe636269871ece515cac34330d3de4c5ad1aa7fa7ce33166e1e41a178f70e375", kill_on_drop: false }`
[INFO] [stdout] fe636269871ece515cac34330d3de4c5ad1aa7fa7ce33166e1e41a178f70e375