[INFO] cloning repository https://github.com/parkerlawsonengineer/c8emu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/parkerlawsonengineer/c8emu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerlawsonengineer%2Fc8emu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerlawsonengineer%2Fc8emu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aa87c368bb4bb954981f70ce172a227216a4d5a7
[INFO] documenting parkerlawsonengineer/c8emu against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fparkerlawsonengineer%2Fc8emu" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/parkerlawsonengineer/c8emu on toolchain 6fd27704e643b25711e6a97ec2b04873b411b97d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/parkerlawsonengineer/c8emu
[INFO] finished tweaking git repo https://github.com/parkerlawsonengineer/c8emu
[INFO] tweaked toml for git repo https://github.com/parkerlawsonengineer/c8emu written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/parkerlawsonengineer/c8emu already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d9f53655ca508a13b7942ef13acef5a77feacb90252e25a4f7370ff0f0d3742c
[INFO] running `Command { std: "docker" "start" "-a" "d9f53655ca508a13b7942ef13acef5a77feacb90252e25a4f7370ff0f0d3742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d9f53655ca508a13b7942ef13acef5a77feacb90252e25a4f7370ff0f0d3742c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d9f53655ca508a13b7942ef13acef5a77feacb90252e25a4f7370ff0f0d3742c", kill_on_drop: false }`
[INFO] [stdout] d9f53655ca508a13b7942ef13acef5a77feacb90252e25a4f7370ff0f0d3742c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+6fd27704e643b25711e6a97ec2b04873b411b97d" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dba612d70619cf6ae5012f04bd999b641548d422564b56116e682b4c41dcc12e
[INFO] running `Command { std: "docker" "start" "-a" "dba612d70619cf6ae5012f04bd999b641548d422564b56116e682b4c41dcc12e", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "dba612d70619cf6ae5012f04bd999b641548d422564b56116e682b4c41dcc12e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dba612d70619cf6ae5012f04bd999b641548d422564b56116e682b4c41dcc12e", kill_on_drop: false }`
[INFO] [stdout] dba612d70619cf6ae5012f04bd999b641548d422564b56116e682b4c41dcc12e