[INFO] fetching crate mpmfnum 0.2.0...
[INFO] checking mpmfnum-0.2.0 against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] extracting crate mpmfnum 0.2.0 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate mpmfnum 0.2.0 on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mpmfnum 0.2.0
[INFO] finished tweaking crates.io crate mpmfnum 0.2.0
[INFO] tweaked toml for crates.io crate mpmfnum 0.2.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8af528080b4268ea023c51929bc67520cbfa18e4cfa21849be7b202d095aa91e
[INFO] running `Command { std: "docker" "start" "-a" "8af528080b4268ea023c51929bc67520cbfa18e4cfa21849be7b202d095aa91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8af528080b4268ea023c51929bc67520cbfa18e4cfa21849be7b202d095aa91e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af528080b4268ea023c51929bc67520cbfa18e4cfa21849be7b202d095aa91e", kill_on_drop: false }`
[INFO] [stdout] 8af528080b4268ea023c51929bc67520cbfa18e4cfa21849be7b202d095aa91e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 678b7c3c20e52998a03b4ff27ec19358ec9342a88e10e286200fd0c38b2e620a
[INFO] running `Command { std: "docker" "start" "-a" "678b7c3c20e52998a03b4ff27ec19358ec9342a88e10e286200fd0c38b2e620a", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling libm v0.2.13
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.27.0
[INFO] [stderr]     Checking num-integer v0.1.46
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "678b7c3c20e52998a03b4ff27ec19358ec9342a88e10e286200fd0c38b2e620a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "678b7c3c20e52998a03b4ff27ec19358ec9342a88e10e286200fd0c38b2e620a", kill_on_drop: false }`
[INFO] [stdout] 678b7c3c20e52998a03b4ff27ec19358ec9342a88e10e286200fd0c38b2e620a