[INFO] cloning repository https://github.com/jhbabon/slate
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jhbabon/slate" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhbabon%2Fslate", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhbabon%2Fslate'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6584b1484d302dbc758a8e5ffc464593171b5063
[INFO] documenting jhbabon/slate against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjhbabon%2Fslate" "/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/jhbabon/slate 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/jhbabon/slate
[INFO] finished tweaking git repo https://github.com/jhbabon/slate
[INFO] tweaked toml for git repo https://github.com/jhbabon/slate written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jhbabon/slate 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] 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] c4b4b0799f18d3887c61fa28b06fe252b5d24e40e834be3d7bf03ce6e504f776
[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" "c4b4b0799f18d3887c61fa28b06fe252b5d24e40e834be3d7bf03ce6e504f776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4b4b0799f18d3887c61fa28b06fe252b5d24e40e834be3d7bf03ce6e504f776", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4b4b0799f18d3887c61fa28b06fe252b5d24e40e834be3d7bf03ce6e504f776", kill_on_drop: false }`
[INFO] [stdout] c4b4b0799f18d3887c61fa28b06fe252b5d24e40e834be3d7bf03ce6e504f776
[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] 40bcc9dfe8117e9ee02207ce5cdf7db05c40746f9da30a9f32abf243363b8138
[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" "40bcc9dfe8117e9ee02207ce5cdf7db05c40746f9da30a9f32abf243363b8138", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]     Checking libc v0.2.33
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]     Checking void v1.0.2
[INFO] [stderr]     Checking lazy_static v0.2.9
[INFO] [stderr]     Checking utf8-ranges v1.0.0
[INFO] [stderr]     Checking regex-syntax v0.4.1
[INFO] [stderr]     Checking serde v1.0.19
[INFO] [stderr]     Checking num-traits v0.1.40
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking itoa v0.3.4
[INFO] [stderr]    Compiling synom v0.11.3
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking thread_local v0.3.4
[INFO] [stderr]     Checking memchr v1.0.2
[INFO] [stderr]     Checking aho-corasick v0.6.3
[INFO] [stderr]     Checking regex v0.2.2
[INFO] [stderr]    Compiling serde_derive_internals v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.19
[INFO] [stderr]     Checking serde_json v1.0.5
[INFO] [stderr]     Checking docopt v0.8.1
[INFO] [stderr]  Documenting slate v1.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.06s
[INFO] running `Command { std: "docker" "inspect" "40bcc9dfe8117e9ee02207ce5cdf7db05c40746f9da30a9f32abf243363b8138", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "40bcc9dfe8117e9ee02207ce5cdf7db05c40746f9da30a9f32abf243363b8138", kill_on_drop: false }`
[INFO] [stdout] 40bcc9dfe8117e9ee02207ce5cdf7db05c40746f9da30a9f32abf243363b8138