[INFO] cloning repository https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakubKoralewski%2Fdunder_mifflin_employee_registrar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakubKoralewski%2Fdunder_mifflin_employee_registrar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2572b8fb753007ecb00236f371a4cba9ba333dab
[INFO] building JakubKoralewski/dunder_mifflin_employee_registrar against try#c38f3f86763ea281f7c555c13ef11baad4a4fff4 for pr-111698
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FJakubKoralewski%2Fdunder_mifflin_employee_registrar" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar on toolchain c38f3f86763ea281f7c555c13ef11baad4a4fff4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar
[INFO] finished tweaking git repo https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar
[INFO] tweaked toml for git repo https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/JakubKoralewski/dunder_mifflin_employee_registrar already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 56fb41e24fd82f556fa56e9554e6c99af9105e5c257c7d6e45d68fcb81c38127
[INFO] running `Command { std: "docker" "start" "-a" "56fb41e24fd82f556fa56e9554e6c99af9105e5c257c7d6e45d68fcb81c38127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "56fb41e24fd82f556fa56e9554e6c99af9105e5c257c7d6e45d68fcb81c38127", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "56fb41e24fd82f556fa56e9554e6c99af9105e5c257c7d6e45d68fcb81c38127", kill_on_drop: false }`
[INFO] [stdout] 56fb41e24fd82f556fa56e9554e6c99af9105e5c257c7d6e45d68fcb81c38127
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+c38f3f86763ea281f7c555c13ef11baad4a4fff4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1519b8c297f15d97cb1c7aa85f8c6eeddc7bc535e97ec71d4b8ba2894873aaa3
[INFO] running `Command { std: "docker" "start" "-a" "1519b8c297f15d97cb1c7aa85f8c6eeddc7bc535e97ec71d4b8ba2894873aaa3", 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" "1519b8c297f15d97cb1c7aa85f8c6eeddc7bc535e97ec71d4b8ba2894873aaa3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1519b8c297f15d97cb1c7aa85f8c6eeddc7bc535e97ec71d4b8ba2894873aaa3", kill_on_drop: false }`
[INFO] [stdout] 1519b8c297f15d97cb1c7aa85f8c6eeddc7bc535e97ec71d4b8ba2894873aaa3