[INFO] cloning repository https://github.com/maminej/rust_sandbox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/maminej/rust_sandbox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaminej%2Frust_sandbox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaminej%2Frust_sandbox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a9471821e2972892291e6eb4028b67cd8b7518e
[INFO] documenting maminej/rust_sandbox against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaminej%2Frust_sandbox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maminej/rust_sandbox
[INFO] finished tweaking git repo https://github.com/maminej/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/maminej/rust_sandbox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maminej/rust_sandbox on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maminej/rust_sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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
[ERROR] error running command: no output for 300 seconds
[INFO] documenting maminej/rust_sandbox against try#a394c9cd9ec93787f09a7ac445b14cc674a94549 for pr-151918
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmaminej%2Frust_sandbox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/maminej/rust_sandbox
[INFO] finished tweaking git repo https://github.com/maminej/rust_sandbox
[INFO] tweaked toml for git repo https://github.com/maminej/rust_sandbox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/maminej/rust_sandbox on toolchain a394c9cd9ec93787f09a7ac445b14cc674a94549
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/maminej/rust_sandbox already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "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-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7dfc15e4e081a4c8994cabf38774f8a7fefdca66be9dd4ff4e49f85fc9a5cd07
[INFO] running `Command { std: "docker" "start" "-a" "7dfc15e4e081a4c8994cabf38774f8a7fefdca66be9dd4ff4e49f85fc9a5cd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7dfc15e4e081a4c8994cabf38774f8a7fefdca66be9dd4ff4e49f85fc9a5cd07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7dfc15e4e081a4c8994cabf38774f8a7fefdca66be9dd4ff4e49f85fc9a5cd07", kill_on_drop: false }`
[INFO] [stdout] 7dfc15e4e081a4c8994cabf38774f8a7fefdca66be9dd4ff4e49f85fc9a5cd07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:29356a839a4d14451438f794ce8414e707d72405f44418718d724d22562fe786" "/opt/rustwide/cargo-home/bin/cargo" "+a394c9cd9ec93787f09a7ac445b14cc674a94549" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b3c7f231c376b7e3bfbdf59ac4e10a75b917c3f0d4837e1b0fffb133d36b4b6
[INFO] running `Command { std: "docker" "start" "-a" "4b3c7f231c376b7e3bfbdf59ac4e10a75b917c3f0d4837e1b0fffb133d36b4b6", kill_on_drop: false }`
[INFO] [stderr]  Documenting rust_sandbox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Color_t` should have an upper camel case name
[INFO] [stdout]   --> src/structs.rs:11:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | struct Color_t (u8, u8, u8);
[INFO] [stdout]    |        ^^^^^^^ help: convert the identifier to upper camel case: `ColorT`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.54s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/rust_sandbox/index.html
[INFO] running `Command { std: "docker" "inspect" "4b3c7f231c376b7e3bfbdf59ac4e10a75b917c3f0d4837e1b0fffb133d36b4b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b3c7f231c376b7e3bfbdf59ac4e10a75b917c3f0d4837e1b0fffb133d36b4b6", kill_on_drop: false }`
[INFO] [stdout] 4b3c7f231c376b7e3bfbdf59ac4e10a75b917c3f0d4837e1b0fffb133d36b4b6