[INFO] fetching crate fib-rug 1.2.2-1...
[INFO] checking fib-rug-1.2.2-1 against master#ab1d2444533d829e2d5cff6634cd3c70de6d7103 for pr-147841
[INFO] extracting crate fib-rug 1.2.2-1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate fib-rug 1.2.2-1
[INFO] finished tweaking crates.io crate fib-rug 1.2.2-1
[INFO] tweaked toml for crates.io crate fib-rug 1.2.2-1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate fib-rug 1.2.2-1 on toolchain ab1d2444533d829e2d5cff6634cd3c70de6d7103
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate fib-rug 1.2.2-1 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" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09f8277b5624dd29a7aa1e9342ae7822a7dbc7d0a36dc9653d7dbc2f4e10012c
[INFO] running `Command { std: "docker" "start" "-a" "09f8277b5624dd29a7aa1e9342ae7822a7dbc7d0a36dc9653d7dbc2f4e10012c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09f8277b5624dd29a7aa1e9342ae7822a7dbc7d0a36dc9653d7dbc2f4e10012c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09f8277b5624dd29a7aa1e9342ae7822a7dbc7d0a36dc9653d7dbc2f4e10012c", kill_on_drop: false }`
[INFO] [stdout] 09f8277b5624dd29a7aa1e9342ae7822a7dbc7d0a36dc9653d7dbc2f4e10012c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ab1d2444533d829e2d5cff6634cd3c70de6d7103" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] eeeec21f90adb58e6e5c19e3a4fd2d5ba98b5b8d7bceb1b8338dd753541a030f
[INFO] running `Command { std: "docker" "start" "-a" "eeeec21f90adb58e6e5c19e3a4fd2d5ba98b5b8d7bceb1b8338dd753541a030f", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.28.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "eeeec21f90adb58e6e5c19e3a4fd2d5ba98b5b8d7bceb1b8338dd753541a030f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eeeec21f90adb58e6e5c19e3a4fd2d5ba98b5b8d7bceb1b8338dd753541a030f", kill_on_drop: false }`
[INFO] [stdout] eeeec21f90adb58e6e5c19e3a4fd2d5ba98b5b8d7bceb1b8338dd753541a030f