[INFO] fetching crate slagalica 0.1.0...
[INFO] checking slagalica-0.1.0 against master#9050733395f7c10560d49f549e022f411fa28cea for pr-146972
[INFO] extracting crate slagalica 0.1.0 into /workspace/builds/worker-3-tc1/source
[INFO] started tweaking crates.io crate slagalica 0.1.0
[INFO] finished tweaking crates.io crate slagalica 0.1.0
[INFO] tweaked toml for crates.io crate slagalica 0.1.0 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate slagalica 0.1.0 on toolchain 9050733395f7c10560d49f549e022f411fa28cea
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate slagalica 0.1.0 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" "+9050733395f7c10560d49f549e022f411fa28cea" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded substring v1.4.5
[INFO] [stderr]   Downloaded rug v1.24.1
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.6.2
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f2bab71651a8c550cc0ae8fea1e4af7b65012ab94072064b503aa99d9d0d585b
[INFO] running `Command { std: "docker" "start" "-a" "f2bab71651a8c550cc0ae8fea1e4af7b65012ab94072064b503aa99d9d0d585b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f2bab71651a8c550cc0ae8fea1e4af7b65012ab94072064b503aa99d9d0d585b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f2bab71651a8c550cc0ae8fea1e4af7b65012ab94072064b503aa99d9d0d585b", kill_on_drop: false }`
[INFO] [stdout] f2bab71651a8c550cc0ae8fea1e4af7b65012ab94072064b503aa99d9d0d585b
[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@sha256:94a0c148923f5b2b52a63ef0eeb1882ad339ab61bce784c8077cbe41c61feb6c" "/opt/rustwide/cargo-home/bin/cargo" "+9050733395f7c10560d49f549e022f411fa28cea" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd89d6d3ad99d20aab6b15d0ad8aeeba4f06b9adb78e0781dbcbe4bbe12a80ca
[INFO] running `Command { std: "docker" "start" "-a" "bd89d6d3ad99d20aab6b15d0ad8aeeba4f06b9adb78e0781dbcbe4bbe12a80ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.2
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling libm v0.2.8
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.24.1
[INFO] [stderr]    Compiling substring v1.4.5
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "bd89d6d3ad99d20aab6b15d0ad8aeeba4f06b9adb78e0781dbcbe4bbe12a80ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd89d6d3ad99d20aab6b15d0ad8aeeba4f06b9adb78e0781dbcbe4bbe12a80ca", kill_on_drop: false }`
[INFO] [stdout] bd89d6d3ad99d20aab6b15d0ad8aeeba4f06b9adb78e0781dbcbe4bbe12a80ca