[INFO] cloning repository https://github.com/SaucySalamander/potato
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SaucySalamander/potato" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaucySalamander%2Fpotato", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaucySalamander%2Fpotato'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] caf414fd038f75218da6e886643a940d6200aa4c
[INFO] testing SaucySalamander/potato against try#5bc97a20e5cc382ae6d19f727a9e73eeb2734548 for pr-99093
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSaucySalamander%2Fpotato" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SaucySalamander/potato on toolchain 5bc97a20e5cc382ae6d19f727a9e73eeb2734548
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SaucySalamander/potato
[INFO] finished tweaking git repo https://github.com/SaucySalamander/potato
[INFO] tweaked toml for git repo https://github.com/SaucySalamander/potato written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SaucySalamander/potato already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "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] c70eb793ab2ac78c756382985aa450e85287bfd753199d0aa25106cd62f36bce
[INFO] running `Command { std: "docker" "start" "-a" "c70eb793ab2ac78c756382985aa450e85287bfd753199d0aa25106cd62f36bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c70eb793ab2ac78c756382985aa450e85287bfd753199d0aa25106cd62f36bce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c70eb793ab2ac78c756382985aa450e85287bfd753199d0aa25106cd62f36bce", kill_on_drop: false }`
[INFO] [stdout] c70eb793ab2ac78c756382985aa450e85287bfd753199d0aa25106cd62f36bce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:5873ed620acfc3295992aedd9294443d62a478a48ba243bc5e6c4f5abaffa05f" "/opt/rustwide/cargo-home/bin/cargo" "+5bc97a20e5cc382ae6d19f727a9e73eeb2734548" "build" "--frozen" "--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] cf3e06a1ac546d8fe5c4750129fc2af03ab903b62941d41a87759125482f4b23
[INFO] running `Command { std: "docker" "start" "-a" "cf3e06a1ac546d8fe5c4750129fc2af03ab903b62941d41a87759125482f4b23", 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" "cf3e06a1ac546d8fe5c4750129fc2af03ab903b62941d41a87759125482f4b23", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf3e06a1ac546d8fe5c4750129fc2af03ab903b62941d41a87759125482f4b23", kill_on_drop: false }`
[INFO] [stdout] cf3e06a1ac546d8fe5c4750129fc2af03ab903b62941d41a87759125482f4b23