[INFO] cloning repository https://github.com/flugsio/optimal_ventti
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/flugsio/optimal_ventti" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflugsio%2Foptimal_ventti", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflugsio%2Foptimal_ventti'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] bbb69aa5763cbc6b7274e08881c5fc122bb415f9
[INFO] checking flugsio/optimal_ventti against try#5c7108a2805ef56743d713d2789c5e802631c9e8 for pr-97739
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fflugsio%2Foptimal_ventti" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/flugsio/optimal_ventti on toolchain 5c7108a2805ef56743d713d2789c5e802631c9e8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/flugsio/optimal_ventti
[INFO] finished tweaking git repo https://github.com/flugsio/optimal_ventti
[INFO] tweaked toml for git repo https://github.com/flugsio/optimal_ventti written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/flugsio/optimal_ventti already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fd408a5668bc6ac9abf5210985972829f138bccfc76eff1561feaf52e31e419e
[INFO] running `Command { std: "docker" "start" "-a" "fd408a5668bc6ac9abf5210985972829f138bccfc76eff1561feaf52e31e419e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd408a5668bc6ac9abf5210985972829f138bccfc76eff1561feaf52e31e419e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd408a5668bc6ac9abf5210985972829f138bccfc76eff1561feaf52e31e419e", kill_on_drop: false }`
[INFO] [stdout] fd408a5668bc6ac9abf5210985972829f138bccfc76eff1561feaf52e31e419e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "+5c7108a2805ef56743d713d2789c5e802631c9e8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] faadc5fb802d190a73b8f1618ec40f0a172b64bd9db95f66fb02cd500185f232
[INFO] running `Command { std: "docker" "start" "-a" "faadc5fb802d190a73b8f1618ec40f0a172b64bd9db95f66fb02cd500185f232", 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" "faadc5fb802d190a73b8f1618ec40f0a172b64bd9db95f66fb02cd500185f232", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "faadc5fb802d190a73b8f1618ec40f0a172b64bd9db95f66fb02cd500185f232", kill_on_drop: false }`
[INFO] [stdout] faadc5fb802d190a73b8f1618ec40f0a172b64bd9db95f66fb02cd500185f232