[INFO] cloning repository https://github.com/pedrocr/syncer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/pedrocr/syncer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3438f98685638f3b21235e279c26d446a392cd26
[INFO] checking pedrocr/syncer against master#75dbd5b8c3e3e3e7673caa890422e654d39b815e for pr-95985
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fpedrocr%2Fsyncer" "/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/pedrocr/syncer on toolchain 75dbd5b8c3e3e3e7673caa890422e654d39b815e
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/pedrocr/syncer
[INFO] finished tweaking git repo https://github.com/pedrocr/syncer
[INFO] tweaked toml for git repo https://github.com/pedrocr/syncer written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/pedrocr/syncer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fuse_mt v0.4.4
[INFO] [stderr]   Downloaded fuse v0.3.1
[INFO] [stderr]   Downloaded users v0.9.1
[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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 829c137a179fa254c3993daf5c575b7743c2fb36475a440178b083c52bb21b19
[INFO] running `Command { std: "docker" "start" "-a" "829c137a179fa254c3993daf5c575b7743c2fb36475a440178b083c52bb21b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "829c137a179fa254c3993daf5c575b7743c2fb36475a440178b083c52bb21b19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "829c137a179fa254c3993daf5c575b7743c2fb36475a440178b083c52bb21b19", kill_on_drop: false }`
[INFO] [stdout] 829c137a179fa254c3993daf5c575b7743c2fb36475a440178b083c52bb21b19
[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@sha256:83125433e4fff17b1ac56874832f668d9df75ee638575aca552b68e127bedee9" "/opt/rustwide/cargo-home/bin/cargo" "+75dbd5b8c3e3e3e7673caa890422e654d39b815e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc6f64359fc7b448b6e302b40d04e295582c87cd4e05a8aaddd5a05acff9570
[INFO] running `Command { std: "docker" "start" "-a" "9cc6f64359fc7b448b6e302b40d04e295582c87cd4e05a8aaddd5a05acff9570", 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" "9cc6f64359fc7b448b6e302b40d04e295582c87cd4e05a8aaddd5a05acff9570", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc6f64359fc7b448b6e302b40d04e295582c87cd4e05a8aaddd5a05acff9570", kill_on_drop: false }`
[INFO] [stdout] 9cc6f64359fc7b448b6e302b40d04e295582c87cd4e05a8aaddd5a05acff9570