[INFO] cloning repository https://github.com/rust-learn/guessing_game
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rust-learn/guessing_game" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fguessing_game", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fguessing_game'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2a081f05151963395adf7165e26dbd11e6f785d3
[INFO] checking rust-learn/guessing_game against master#0568b0a3de4eb37bf187eb61a9f017ae0018ad8f for pr-101478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frust-learn%2Fguessing_game" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rust-learn/guessing_game on toolchain 0568b0a3de4eb37bf187eb61a9f017ae0018ad8f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rust-learn/guessing_game
[INFO] finished tweaking git repo https://github.com/rust-learn/guessing_game
[INFO] tweaked toml for git repo https://github.com/rust-learn/guessing_game written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/rust-learn/guessing_game already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 89f39717595b8b22cc2b614d256662ee2ebb17408f353601b66216193805c162
[INFO] running `Command { std: "docker" "start" "-a" "89f39717595b8b22cc2b614d256662ee2ebb17408f353601b66216193805c162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "89f39717595b8b22cc2b614d256662ee2ebb17408f353601b66216193805c162", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "89f39717595b8b22cc2b614d256662ee2ebb17408f353601b66216193805c162", kill_on_drop: false }`
[INFO] [stdout] 89f39717595b8b22cc2b614d256662ee2ebb17408f353601b66216193805c162
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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@sha256:824c28ce115f6b999260af6986f3384c158e782489540e41c0b698ca1d9fd927" "/opt/rustwide/cargo-home/bin/cargo" "+0568b0a3de4eb37bf187eb61a9f017ae0018ad8f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 07fda03b82189f6823de2c5997de27f8b69b310440beb52651c61d65d9bc95c9
[INFO] running `Command { std: "docker" "start" "-a" "07fda03b82189f6823de2c5997de27f8b69b310440beb52651c61d65d9bc95c9", 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" "07fda03b82189f6823de2c5997de27f8b69b310440beb52651c61d65d9bc95c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07fda03b82189f6823de2c5997de27f8b69b310440beb52651c61d65d9bc95c9", kill_on_drop: false }`
[INFO] [stdout] 07fda03b82189f6823de2c5997de27f8b69b310440beb52651c61d65d9bc95c9