[INFO] fetching crate compute-pi 1.0.0...
[INFO] checking compute-pi-1.0.0 against master#9c3064e131f4939cc95a29bb11413c49bbda1491 for pr-144098
[INFO] extracting crate compute-pi 1.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate compute-pi 1.0.0
[INFO] finished tweaking crates.io crate compute-pi 1.0.0
[INFO] tweaked toml for crates.io crate compute-pi 1.0.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compute-pi 1.0.0 on toolchain 9c3064e131f4939cc95a29bb11413c49bbda1491
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compute-pi 1.0.0 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" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1f998555a8821de55cbf51fe2f777a18a47a6b8c64f2a1dede72550519c4c39f
[INFO] running `Command { std: "docker" "start" "-a" "1f998555a8821de55cbf51fe2f777a18a47a6b8c64f2a1dede72550519c4c39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1f998555a8821de55cbf51fe2f777a18a47a6b8c64f2a1dede72550519c4c39f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f998555a8821de55cbf51fe2f777a18a47a6b8c64f2a1dede72550519c4c39f", kill_on_drop: false }`
[INFO] [stdout] 1f998555a8821de55cbf51fe2f777a18a47a6b8c64f2a1dede72550519c4c39f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+9c3064e131f4939cc95a29bb11413c49bbda1491" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29739966460fb834850fc53eb5be674cbaeb5be0f61247376722fd74d0fbbe2e
[INFO] running `Command { std: "docker" "start" "-a" "29739966460fb834850fc53eb5be674cbaeb5be0f61247376722fd74d0fbbe2e", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling rug v1.25.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "29739966460fb834850fc53eb5be674cbaeb5be0f61247376722fd74d0fbbe2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29739966460fb834850fc53eb5be674cbaeb5be0f61247376722fd74d0fbbe2e", kill_on_drop: false }`
[INFO] [stdout] 29739966460fb834850fc53eb5be674cbaeb5be0f61247376722fd74d0fbbe2e