[INFO] fetching crate rug 1.30.0...
[INFO] checking rug-1.30.0 against b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4 for pr-164582
[INFO] extracting crate rug 1.30.0 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate rug 1.30.0
[INFO] finished tweaking crates.io crate rug 1.30.0
[INFO] tweaked toml for crates.io crate rug 1.30.0 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate rug 1.30.0 on toolchain b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate rug 1.30.0 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" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.3.0
[INFO] [stderr]   Downloaded serde_test v1.0.177
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69
[INFO] running `Command { std: "docker" "start" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69" "/opt/rustwide/cargo-home/bin/cargo" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69" "/opt/rustwide/cargo-home/bin/cargo" "+b26b4e75de6aac63fc6beeecebad5b3a5f84d2a4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.183
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling rug v1.30.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking serde_test v1.0.177
[INFO] [stderr]     Checking bincode v1.3.3
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69", kill_on_drop: false }`
[INFO] [stdout] 59e991fabe59acf78cca8d9e7285fd80a5a1ee2875cd42ccd04cda70b349db69
