[INFO] cloning repository https://github.com/115130/test_os
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/115130/test_os" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F115130%2Ftest_os", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F115130%2Ftest_os'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7cd6a17d6464c5453a8bbfed21373835111a3f02
[INFO] documenting 115130/test_os against beta-2021-08-01 for beta-1.55-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F115130%2Ftest_os" "/workspace/builds/worker-68/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-68/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/115130/test_os on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/115130/test_os
[INFO] finished tweaking git repo https://github.com/115130/test_os
[INFO] tweaked toml for git repo https://github.com/115130/test_os written to /workspace/builds/worker-68/source/Cargo.toml
[INFO] crate git repo https://github.com/115130/test_os already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76f6ece49aa102cce8b040a5b625e6c4c8df260659e6d76bb057fa362dcb4da7
[INFO] running `Command { std: "docker" "start" "-a" "76f6ece49aa102cce8b040a5b625e6c4c8df260659e6d76bb057fa362dcb4da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f6ece49aa102cce8b040a5b625e6c4c8df260659e6d76bb057fa362dcb4da7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f6ece49aa102cce8b040a5b625e6c4c8df260659e6d76bb057fa362dcb4da7", kill_on_drop: false }`
[INFO] [stdout] 76f6ece49aa102cce8b040a5b625e6c4c8df260659e6d76bb057fa362dcb4da7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-68/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=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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0f1aa0d138641b263470afde9594d74bd698e0d2607d527bc425e15e2ef17112
[INFO] running `Command { std: "docker" "start" "-a" "0f1aa0d138641b263470afde9594d74bd698e0d2607d527bc425e15e2ef17112", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Documenting test_os v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.29s
[INFO] running `Command { std: "docker" "inspect" "0f1aa0d138641b263470afde9594d74bd698e0d2607d527bc425e15e2ef17112", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0f1aa0d138641b263470afde9594d74bd698e0d2607d527bc425e15e2ef17112", kill_on_drop: false }`
[INFO] [stdout] 0f1aa0d138641b263470afde9594d74bd698e0d2607d527bc425e15e2ef17112