[INFO] cloning repository https://github.com/blakesweeney/r2dt-utils
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/blakesweeney/r2dt-utils" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakesweeney%2Fr2dt-utils", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakesweeney%2Fr2dt-utils'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84cf3e53603f2d41b0c258f18fb9dc184db69b96
[INFO] documenting blakesweeney/r2dt-utils against try#6fd27704e643b25711e6a97ec2b04873b411b97d for pr-96676
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fblakesweeney%2Fr2dt-utils" "/workspace/builds/worker-104/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-104/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/blakesweeney/r2dt-utils 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/blakesweeney/r2dt-utils
[INFO] finished tweaking git repo https://github.com/blakesweeney/r2dt-utils
[INFO] tweaked toml for git repo https://github.com/blakesweeney/r2dt-utils written to /workspace/builds/worker-104/source/Cargo.toml
[INFO] crate git repo https://github.com/blakesweeney/r2dt-utils 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-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 0322e83c7dcd22f89a469dc6370858e28f78098cf2016ed8db08983a9298b8fd
[INFO] running `Command { std: "docker" "start" "-a" "0322e83c7dcd22f89a469dc6370858e28f78098cf2016ed8db08983a9298b8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0322e83c7dcd22f89a469dc6370858e28f78098cf2016ed8db08983a9298b8fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0322e83c7dcd22f89a469dc6370858e28f78098cf2016ed8db08983a9298b8fd", kill_on_drop: false }`
[INFO] [stdout] 0322e83c7dcd22f89a469dc6370858e28f78098cf2016ed8db08983a9298b8fd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-104/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] 19370c3777b001c0ca6e1e9119b1bd89969d1336aa1566cfa8af019b10239fab
[INFO] running `Command { std: "docker" "start" "-a" "19370c3777b001c0ca6e1e9119b1bd89969d1336aa1566cfa8af019b10239fab", 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" "19370c3777b001c0ca6e1e9119b1bd89969d1336aa1566cfa8af019b10239fab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19370c3777b001c0ca6e1e9119b1bd89969d1336aa1566cfa8af019b10239fab", kill_on_drop: false }`
[INFO] [stdout] 19370c3777b001c0ca6e1e9119b1bd89969d1336aa1566cfa8af019b10239fab