[INFO] cloning repository https://github.com/yozhgoor/xtask-no-warnings
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yozhgoor/xtask-no-warnings" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyozhgoor%2Fxtask-no-warnings", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyozhgoor%2Fxtask-no-warnings'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a90db88536af19abe0722653eb3b57f46504b794
[INFO] checking yozhgoor/xtask-no-warnings against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyozhgoor%2Fxtask-no-warnings" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yozhgoor/xtask-no-warnings
[INFO] finished tweaking git repo https://github.com/yozhgoor/xtask-no-warnings
[INFO] tweaked toml for git repo https://github.com/yozhgoor/xtask-no-warnings written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yozhgoor/xtask-no-warnings on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yozhgoor/xtask-no-warnings 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking yozhgoor/xtask-no-warnings against try#9228062c11d321a3ea08123f57e47533a3c88b00 for pr-154781
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyozhgoor%2Fxtask-no-warnings" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/yozhgoor/xtask-no-warnings
[INFO] finished tweaking git repo https://github.com/yozhgoor/xtask-no-warnings
[INFO] tweaked toml for git repo https://github.com/yozhgoor/xtask-no-warnings written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/yozhgoor/xtask-no-warnings on toolchain 9228062c11d321a3ea08123f57e47533a3c88b00
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/yozhgoor/xtask-no-warnings 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" "+9228062c11d321a3ea08123f57e47533a3c88b00" "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-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b57c0ff81a5398d0e89252cfc4dd09cf14c4741c69ab0fc744d57b11f0df826c
[INFO] running `Command { std: "docker" "start" "-a" "b57c0ff81a5398d0e89252cfc4dd09cf14c4741c69ab0fc744d57b11f0df826c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b57c0ff81a5398d0e89252cfc4dd09cf14c4741c69ab0fc744d57b11f0df826c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b57c0ff81a5398d0e89252cfc4dd09cf14c4741c69ab0fc744d57b11f0df826c", kill_on_drop: false }`
[INFO] [stdout] b57c0ff81a5398d0e89252cfc4dd09cf14c4741c69ab0fc744d57b11f0df826c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+9228062c11d321a3ea08123f57e47533a3c88b00" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a565f5ee59bed6e3c270a737ce048f2e7b68532753a19dbc8fe70525bd0ba3c6
[INFO] running `Command { std: "docker" "start" "-a" "a565f5ee59bed6e3c270a737ce048f2e7b68532753a19dbc8fe70525bd0ba3c6", kill_on_drop: false }`
[INFO] [stderr]     Checking xtask-no-warnings v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] running `Command { std: "docker" "inspect" "a565f5ee59bed6e3c270a737ce048f2e7b68532753a19dbc8fe70525bd0ba3c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a565f5ee59bed6e3c270a737ce048f2e7b68532753a19dbc8fe70525bd0ba3c6", kill_on_drop: false }`
[INFO] [stdout] a565f5ee59bed6e3c270a737ce048f2e7b68532753a19dbc8fe70525bd0ba3c6