[INFO] fetching crate compute-pi 1.0.0...
[INFO] checking compute-pi-1.0.0 against try#66388cc165a6c4ac98c074dc9f0281ff23528c55 for pr-150727
[INFO] extracting crate compute-pi 1.0.0 into /workspace/builds/worker-4-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-4-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate compute-pi 1.0.0 on toolchain 66388cc165a6c4ac98c074dc9f0281ff23528c55
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "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" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1e592d5f0dcbdbd31e70264af0c410458044c92dcb0fbcde851c4b09a52c09a1
[INFO] running `Command { std: "docker" "start" "-a" "1e592d5f0dcbdbd31e70264af0c410458044c92dcb0fbcde851c4b09a52c09a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1e592d5f0dcbdbd31e70264af0c410458044c92dcb0fbcde851c4b09a52c09a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1e592d5f0dcbdbd31e70264af0c410458044c92dcb0fbcde851c4b09a52c09a1", kill_on_drop: false }`
[INFO] [stdout] 1e592d5f0dcbdbd31e70264af0c410458044c92dcb0fbcde851c4b09a52c09a1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+66388cc165a6c4ac98c074dc9f0281ff23528c55" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a5d8ce5aa8cfc896c4890809bed2e97ec877cbd448cdde61524388be266892bb
[INFO] running `Command { std: "docker" "start" "-a" "a5d8ce5aa8cfc896c4890809bed2e97ec877cbd448cdde61524388be266892bb", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling rug v1.25.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "a5d8ce5aa8cfc896c4890809bed2e97ec877cbd448cdde61524388be266892bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a5d8ce5aa8cfc896c4890809bed2e97ec877cbd448cdde61524388be266892bb", kill_on_drop: false }`
[INFO] [stdout] a5d8ce5aa8cfc896c4890809bed2e97ec877cbd448cdde61524388be266892bb