[INFO] fetching crate compute-tau 0.2.3...
[INFO] checking compute-tau-0.2.3 against master#fd0c901b00ee1e08a250039cdb90258603497e20 for pr-153692
[INFO] extracting crate compute-tau 0.2.3 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate compute-tau 0.2.3
[INFO] finished tweaking crates.io crate compute-tau 0.2.3
[INFO] tweaked toml for crates.io crate compute-tau 0.2.3 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate compute-tau 0.2.3 on toolchain fd0c901b00ee1e08a250039cdb90258603497e20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate compute-tau 0.2.3 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" "+fd0c901b00ee1e08a250039cdb90258603497e20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded az v1.2.1
[INFO] [stderr]   Downloaded rug v1.27.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5d2e1aee4efd98a42ada4a3cc601301b2ceb6c14492761a32e327cf73b93f002
[INFO] running `Command { std: "docker" "start" "-a" "5d2e1aee4efd98a42ada4a3cc601301b2ceb6c14492761a32e327cf73b93f002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5d2e1aee4efd98a42ada4a3cc601301b2ceb6c14492761a32e327cf73b93f002", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d2e1aee4efd98a42ada4a3cc601301b2ceb6c14492761a32e327cf73b93f002", kill_on_drop: false }`
[INFO] [stdout] 5d2e1aee4efd98a42ada4a3cc601301b2ceb6c14492761a32e327cf73b93f002
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+fd0c901b00ee1e08a250039cdb90258603497e20" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e56c8fd02df84e590f7283a2db4dc05296ab99b797f234e27aa10724b817fb5d
[INFO] running `Command { std: "docker" "start" "-a" "e56c8fd02df84e590f7283a2db4dc05296ab99b797f234e27aa10724b817fb5d", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling libm v0.2.15
[INFO] [stderr]    Compiling rug v1.27.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "e56c8fd02df84e590f7283a2db4dc05296ab99b797f234e27aa10724b817fb5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e56c8fd02df84e590f7283a2db4dc05296ab99b797f234e27aa10724b817fb5d", kill_on_drop: false }`
[INFO] [stdout] e56c8fd02df84e590f7283a2db4dc05296ab99b797f234e27aa10724b817fb5d