[INFO] updating cached repository https://github.com/kmerfeld/nowdo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 40bb482c353e0817f871bd79164addae73a07808
[INFO] documenting kmerfeld/nowdo against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkmerfeld%2Fnowdo" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kmerfeld/nowdo 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/kmerfeld/nowdo
[INFO] finished tweaking git repo https://github.com/kmerfeld/nowdo
[INFO] tweaked toml for git repo https://github.com/kmerfeld/nowdo written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/kmerfeld/nowdo 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] warning: unused manifest key: package.about
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] a9b4392fea12b8d56ed98de779ff168e68029d5786efaf01ac673a34e1f78a27
[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" "a9b4392fea12b8d56ed98de779ff168e68029d5786efaf01ac673a34e1f78a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a9b4392fea12b8d56ed98de779ff168e68029d5786efaf01ac673a34e1f78a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a9b4392fea12b8d56ed98de779ff168e68029d5786efaf01ac673a34e1f78a27", kill_on_drop: false }`
[INFO] [stdout] a9b4392fea12b8d56ed98de779ff168e68029d5786efaf01ac673a34e1f78a27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 0661cc3d2540e8cbab17d16bafbaf5681ecacfb9569e84df03c981d8fb474fb3
[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" "0661cc3d2540e8cbab17d16bafbaf5681ecacfb9569e84df03c981d8fb474fb3", kill_on_drop: false }`
[INFO] [stderr] warning: unused manifest key: package.about
[INFO] [stderr]    Compiling gcc v0.3.51
[INFO] [stderr]    Compiling pkg-config v0.3.9
[INFO] [stderr]     Checking cfg-if v0.1.2
[INFO] [stderr]     Checking rustc-demangle v0.1.4
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking unicode-segmentation v1.1.0
[INFO] [stderr]     Checking bitflags v0.9.1
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking memchr v1.0.1
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.35
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]     Checking textwrap v0.6.0
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking num-iter v0.1.34
[INFO] [stderr]     Checking num v0.1.40
[INFO] [stderr]    Compiling dbus v0.4.1
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]     Checking clap v2.25.1
[INFO] [stderr]     Checking chrono v0.4.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.11
[INFO] [stderr]     Checking backtrace v0.3.2
[INFO] [stderr]     Checking error-chain v0.10.0
[INFO] [stderr]     Checking notify-rust v3.4.1
[INFO] [stderr]  Documenting nowdo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 31.04s
[INFO] running `Command { std: "docker" "inspect" "0661cc3d2540e8cbab17d16bafbaf5681ecacfb9569e84df03c981d8fb474fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0661cc3d2540e8cbab17d16bafbaf5681ecacfb9569e84df03c981d8fb474fb3", kill_on_drop: false }`
[INFO] [stdout] 0661cc3d2540e8cbab17d16bafbaf5681ecacfb9569e84df03c981d8fb474fb3