[INFO] fetching crate gmp-mpfr-sys 1.4.11...
[INFO] documenting gmp-mpfr-sys-1.4.11 against nightly for scrape-examples
[INFO] extracting crate gmp-mpfr-sys 1.4.11 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate gmp-mpfr-sys 1.4.11 on toolchain nightly
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate gmp-mpfr-sys 1.4.11
[INFO] finished tweaking crates.io crate gmp-mpfr-sys 1.4.11
[INFO] tweaked toml for crates.io crate gmp-mpfr-sys 1.4.11 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+nightly" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182b00b7437031b9d53764457a563c00d7f7134d7a60cb205f4604c49814371b
[INFO] running `Command { std: "docker" "start" "-a" "182b00b7437031b9d53764457a563c00d7f7134d7a60cb205f4604c49814371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182b00b7437031b9d53764457a563c00d7f7134d7a60cb205f4604c49814371b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182b00b7437031b9d53764457a563c00d7f7134d7a60cb205f4604c49814371b", kill_on_drop: false }`
[INFO] [stdout] 182b00b7437031b9d53764457a563c00d7f7134d7a60cb205f4604c49814371b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:bb5b0feb4f87116a4ea905b7ff5bf5b85913db05e9f0fbc1abdd3168928d9075" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08d54c5212c4fe6128b153e46a8d01ed989ed0df7ed7f9d534d863e7f4923a82
[INFO] running `Command { std: "docker" "start" "-a" "08d54c5212c4fe6128b153e46a8d01ed989ed0df7ed7f9d534d863e7f4923a82", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.138
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.11 (/opt/rustwide/workdir)
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "08d54c5212c4fe6128b153e46a8d01ed989ed0df7ed7f9d534d863e7f4923a82", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08d54c5212c4fe6128b153e46a8d01ed989ed0df7ed7f9d534d863e7f4923a82", kill_on_drop: false }`
[INFO] [stdout] 08d54c5212c4fe6128b153e46a8d01ed989ed0df7ed7f9d534d863e7f4923a82