[INFO] cloning repository https://github.com/nanmu42/minigrep
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nanmu42/minigrep" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanmu42%2Fminigrep", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanmu42%2Fminigrep'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b11c8ddbe223f612bcde29e3d4a3178adc58ce46
[INFO] checking nanmu42/minigrep against master#fdca237d5194bf8a1c9b437ebd2114d1c2ba6195 for pr-97739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnanmu42%2Fminigrep" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nanmu42/minigrep on toolchain fdca237d5194bf8a1c9b437ebd2114d1c2ba6195
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fdca237d5194bf8a1c9b437ebd2114d1c2ba6195" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nanmu42/minigrep
[INFO] finished tweaking git repo https://github.com/nanmu42/minigrep
[INFO] tweaked toml for git repo https://github.com/nanmu42/minigrep written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/nanmu42/minigrep already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+fdca237d5194bf8a1c9b437ebd2114d1c2ba6195" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+fdca237d5194bf8a1c9b437ebd2114d1c2ba6195" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 760aa20ad1b6a2e2e8bca4f1bbef7bf09e0938b2cd66dc4c9192a14f70191f3a
[INFO] running `Command { std: "docker" "start" "-a" "760aa20ad1b6a2e2e8bca4f1bbef7bf09e0938b2cd66dc4c9192a14f70191f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "760aa20ad1b6a2e2e8bca4f1bbef7bf09e0938b2cd66dc4c9192a14f70191f3a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "760aa20ad1b6a2e2e8bca4f1bbef7bf09e0938b2cd66dc4c9192a14f70191f3a", kill_on_drop: false }`
[INFO] [stdout] 760aa20ad1b6a2e2e8bca4f1bbef7bf09e0938b2cd66dc4c9192a14f70191f3a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:ac0d0aa6ec8ed129e241004a6179c99fa0d2616f50ba759c5b60bd26d0fafa02" "/opt/rustwide/cargo-home/bin/cargo" "+fdca237d5194bf8a1c9b437ebd2114d1c2ba6195" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9da8fc1f03a75bf3b342fc0e6b6712bfdb9a606463c104db352eb7580acfe4db
[INFO] running `Command { std: "docker" "start" "-a" "9da8fc1f03a75bf3b342fc0e6b6712bfdb9a606463c104db352eb7580acfe4db", 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" "9da8fc1f03a75bf3b342fc0e6b6712bfdb9a606463c104db352eb7580acfe4db", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9da8fc1f03a75bf3b342fc0e6b6712bfdb9a606463c104db352eb7580acfe4db", kill_on_drop: false }`
[INFO] [stdout] 9da8fc1f03a75bf3b342fc0e6b6712bfdb9a606463c104db352eb7580acfe4db