[INFO] cloning repository https://github.com/Mause/emscripten-sys
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Mause/emscripten-sys" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMause%2Femscripten-sys", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMause%2Femscripten-sys'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55ab1fe806bbd7dca39bdf043faf13529a319d0e
[INFO] documenting Mause/emscripten-sys against master#e1df625306f4136949e02612406f0c60df6008f3 for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMause%2Femscripten-sys" "/workspace/builds/worker-99/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-99/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Mause/emscripten-sys on toolchain e1df625306f4136949e02612406f0c60df6008f3
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-99/source/rust-toolchain
[INFO] started tweaking git repo https://github.com/Mause/emscripten-sys
[INFO] finished tweaking git repo https://github.com/Mause/emscripten-sys
[INFO] tweaked toml for git repo https://github.com/Mause/emscripten-sys written to /workspace/builds/worker-99/source/Cargo.toml
[INFO] crate git repo https://github.com/Mause/emscripten-sys already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f14e48c7e3f4df0cc4c38eb25d7d72e48ae07fc0d33ef9e1bf4a16c407b9b2e
[INFO] running `Command { std: "docker" "start" "-a" "2f14e48c7e3f4df0cc4c38eb25d7d72e48ae07fc0d33ef9e1bf4a16c407b9b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f14e48c7e3f4df0cc4c38eb25d7d72e48ae07fc0d33ef9e1bf4a16c407b9b2e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f14e48c7e3f4df0cc4c38eb25d7d72e48ae07fc0d33ef9e1bf4a16c407b9b2e", kill_on_drop: false }`
[INFO] [stdout] 2f14e48c7e3f4df0cc4c38eb25d7d72e48ae07fc0d33ef9e1bf4a16c407b9b2e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-99/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" "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:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+e1df625306f4136949e02612406f0c60df6008f3" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6184e95634e4957ccb30d244622a8ec82d1f7922432e6393b4ba3e49c03bd1e
[INFO] running `Command { std: "docker" "start" "-a" "c6184e95634e4957ccb30d244622a8ec82d1f7922432e6393b4ba3e49c03bd1e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting emscripten-sys v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.33s
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "c6184e95634e4957ccb30d244622a8ec82d1f7922432e6393b4ba3e49c03bd1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6184e95634e4957ccb30d244622a8ec82d1f7922432e6393b4ba3e49c03bd1e", kill_on_drop: false }`
[INFO] [stdout] c6184e95634e4957ccb30d244622a8ec82d1f7922432e6393b4ba3e49c03bd1e