[INFO] fetching crate arb-sys 0.3.6...
[INFO] checking arb-sys-0.3.6 against try#998b6603a58e47f42ccce7a67943234e96b6839e for pr-143170
[INFO] extracting crate arb-sys 0.3.6 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate arb-sys 0.3.6
[INFO] finished tweaking crates.io crate arb-sys 0.3.6
[INFO] tweaked toml for crates.io crate arb-sys 0.3.6 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate arb-sys 0.3.6 on toolchain 998b6603a58e47f42ccce7a67943234e96b6839e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "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" "+998b6603a58e47f42ccce7a67943234e96b6839e" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 21 packages to latest compatible versions
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4b0c4d4fe7915caf3d4f790e65d910c7c1ec27deda98fb094c7c5127462e5f7
[INFO] running `Command { std: "docker" "start" "-a" "c4b0c4d4fe7915caf3d4f790e65d910c7c1ec27deda98fb094c7c5127462e5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4b0c4d4fe7915caf3d4f790e65d910c7c1ec27deda98fb094c7c5127462e5f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b0c4d4fe7915caf3d4f790e65d910c7c1ec27deda98fb094c7c5127462e5f7", kill_on_drop: false }`
[INFO] [stdout] c4b0c4d4fe7915caf3d4f790e65d910c7c1ec27deda98fb094c7c5127462e5f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+998b6603a58e47f42ccce7a67943234e96b6839e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] acab0baa9d955dd5e7f41d91c5eb428778c7f4be80df8c76b91d80c4976eeda0
[INFO] running `Command { std: "docker" "start" "-a" "acab0baa9d955dd5e7f41d91c5eb428778c7f4be80df8c76b91d80c4976eeda0", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.6.5
[INFO] [stderr]    Compiling flint-sys v0.7.3
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling arb-sys v0.3.6 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling derivative v2.2.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "acab0baa9d955dd5e7f41d91c5eb428778c7f4be80df8c76b91d80c4976eeda0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "acab0baa9d955dd5e7f41d91c5eb428778c7f4be80df8c76b91d80c4976eeda0", kill_on_drop: false }`
[INFO] [stdout] acab0baa9d955dd5e7f41d91c5eb428778c7f4be80df8c76b91d80c4976eeda0