[INFO] fetching crate facto 0.3.1...
[INFO] checking facto-0.3.1 against 49a6044d37d694890450f52ceaceb66277a36b1e for pr-161154
[INFO] extracting crate facto 0.3.1 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate facto 0.3.1
[INFO] finished tweaking crates.io crate facto 0.3.1
[INFO] tweaked toml for crates.io crate facto 0.3.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate facto 0.3.1 on toolchain 49a6044d37d694890450f52ceaceb66277a36b1e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 23 packages to highest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf
[INFO] running `Command { std: "docker" "start" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf" "/opt/rustwide/cargo-home/bin/cargo" "+49a6044d37d694890450f52ceaceb66277a36b1e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.7.1
[INFO] [stderr]    Compiling rug v1.30.0
[INFO] [stderr]     Checking az v1.3.0
[INFO] [stderr]     Checking twoword v0.1.0
[INFO] [stderr]     Checking num-integer v0.1.47
[INFO] [stderr]     Checking serde_json v1.0.151
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking serde v1.0.229
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf", kill_on_drop: false }`
[INFO] [stdout] 16d31ae73bb5b4d4d9c972a0bc33dd946a476a345608d6773043db88d42e0fdf
