[INFO] fetching crate mexprp 0.3.0...
[INFO] documenting mexprp-0.3.0 against 1.64.0 for beta-1.65-rustdoc-1
[INFO] extracting crate mexprp 0.3.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate mexprp 0.3.0 on toolchain 1.64.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate mexprp 0.3.0
[INFO] finished tweaking crates.io crate mexprp 0.3.0
[INFO] tweaked toml for crates.io crate mexprp 0.3.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.64.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rug v1.17.0
[INFO] [stderr]   Downloaded gmp-mpfr-sys v1.4.10
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 190273ca92e9662eb80334284d00be0fd6710ada692b0349a7808d17b30ae863
[INFO] running `Command { std: "docker" "start" "-a" "190273ca92e9662eb80334284d00be0fd6710ada692b0349a7808d17b30ae863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "190273ca92e9662eb80334284d00be0fd6710ada692b0349a7808d17b30ae863", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "190273ca92e9662eb80334284d00be0fd6710ada692b0349a7808d17b30ae863", kill_on_drop: false }`
[INFO] [stdout] 190273ca92e9662eb80334284d00be0fd6710ada692b0349a7808d17b30ae863
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:3d1cd00eb6e6ea2a7969240779edeaeff35b24be85036c63b883ba933028a15f" "/opt/rustwide/cargo-home/bin/cargo" "+1.64.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b4d2230ee3ebc552ad4be679811edf756bd96fdcc9fbb2921b3a371bd4e00f10
[INFO] running `Command { std: "docker" "start" "-a" "b4d2230ee3ebc552ad4be679811edf756bd96fdcc9fbb2921b3a371bd4e00f10", kill_on_drop: false }`
[INFO] [stderr]    Compiling gmp-mpfr-sys v1.4.10
[INFO] [stderr]    Compiling az v1.2.1
[INFO] [stderr]    Compiling rug v1.17.0
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b4d2230ee3ebc552ad4be679811edf756bd96fdcc9fbb2921b3a371bd4e00f10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4d2230ee3ebc552ad4be679811edf756bd96fdcc9fbb2921b3a371bd4e00f10", kill_on_drop: false }`
[INFO] [stdout] b4d2230ee3ebc552ad4be679811edf756bd96fdcc9fbb2921b3a371bd4e00f10