[INFO] cloning repository https://github.com/stevedonovan/runner
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/stevedonovan/runner" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e07aef01cd97d26d5c31998c52b4a9ccd92adf43
[INFO] documenting stevedonovan/runner against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fstevedonovan%2Frunner" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/stevedonovan/runner on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/stevedonovan/runner
[INFO] finished tweaking git repo https://github.com/stevedonovan/runner
[INFO] tweaked toml for git repo https://github.com/stevedonovan/runner written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/stevedonovan/runner already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04aa70e7ba6b605dd02229ab1bc53a37f812775b24060cd3a629c4117674441d
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "04aa70e7ba6b605dd02229ab1bc53a37f812775b24060cd3a629c4117674441d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04aa70e7ba6b605dd02229ab1bc53a37f812775b24060cd3a629c4117674441d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04aa70e7ba6b605dd02229ab1bc53a37f812775b24060cd3a629c4117674441d", kill_on_drop: false }`
[INFO] [stdout] 04aa70e7ba6b605dd02229ab1bc53a37f812775b24060cd3a629c4117674441d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] aef9228778bb26b70560b31c607c5157dab5512870a1a0809919f0288f480748
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "aef9228778bb26b70560b31c607c5157dab5512870a1a0809919f0288f480748", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.54
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]     Checking semver-parser v0.7.0
[INFO] [stderr]     Checking lazy_static v0.2.11
[INFO] [stderr]     Checking easy-shortcuts v0.3.0
[INFO] [stderr]     Checking json v0.11.12
[INFO] [stderr]     Checking shlex v0.1.1
[INFO] [stderr]     Checking lapp v0.4.0
[INFO] [stderr]     Checking open v1.2.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking semver v0.9.0
[INFO] [stderr]     Checking isatty v0.1.8
[INFO] [stderr]     Checking dirs v1.0.5
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking toml v0.4.6
[INFO] [stderr]  Documenting runner v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 14.18s
[INFO] running `Command { std: "docker" "inspect" "aef9228778bb26b70560b31c607c5157dab5512870a1a0809919f0288f480748", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aef9228778bb26b70560b31c607c5157dab5512870a1a0809919f0288f480748", kill_on_drop: false }`
[INFO] [stdout] aef9228778bb26b70560b31c607c5157dab5512870a1a0809919f0288f480748