[INFO] cloning repository https://github.com/fmmajd/rust-ch20-sample
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fmmajd/rust-ch20-sample" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmmajd%2Frust-ch20-sample", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmmajd%2Frust-ch20-sample'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c37c99699df449888e8efb5c2b834b1b4ad20a21
[INFO] checking fmmajd/rust-ch20-sample against master#2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36 for pr-95819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffmmajd%2Frust-ch20-sample" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fmmajd/rust-ch20-sample on toolchain 2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fmmajd/rust-ch20-sample
[INFO] finished tweaking git repo https://github.com/fmmajd/rust-ch20-sample
[INFO] tweaked toml for git repo https://github.com/fmmajd/rust-ch20-sample written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/fmmajd/rust-ch20-sample already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "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-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ac7ae1fb230deb7f1b6f834d46d0b644420e53a0a1cd3830bcca2c69ebfdf571
[INFO] running `Command { std: "docker" "start" "-a" "ac7ae1fb230deb7f1b6f834d46d0b644420e53a0a1cd3830bcca2c69ebfdf571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ac7ae1fb230deb7f1b6f834d46d0b644420e53a0a1cd3830bcca2c69ebfdf571", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ac7ae1fb230deb7f1b6f834d46d0b644420e53a0a1cd3830bcca2c69ebfdf571", kill_on_drop: false }`
[INFO] [stdout] ac7ae1fb230deb7f1b6f834d46d0b644420e53a0a1cd3830bcca2c69ebfdf571
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+2d5a21f63c98f8a1d5f3c3af93bcb0a8af19af36" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c4d97a54e7de20117db9dd56e8aa6ff1311cc2a6fb8fd6fac1c00c629ea017f8
[INFO] running `Command { std: "docker" "start" "-a" "c4d97a54e7de20117db9dd56e8aa6ff1311cc2a6fb8fd6fac1c00c629ea017f8", 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" "c4d97a54e7de20117db9dd56e8aa6ff1311cc2a6fb8fd6fac1c00c629ea017f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4d97a54e7de20117db9dd56e8aa6ff1311cc2a6fb8fd6fac1c00c629ea017f8", kill_on_drop: false }`
[INFO] [stdout] c4d97a54e7de20117db9dd56e8aa6ff1311cc2a6fb8fd6fac1c00c629ea017f8