[INFO] updating cached repository https://github.com/csauve/slughorn
[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] 5a4c82f2f4169ca156b13d7053117a55db419f54
[INFO] documenting csauve/slughorn against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcsauve%2Fslughorn" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/csauve/slughorn 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/csauve/slughorn
[INFO] finished tweaking git repo https://github.com/csauve/slughorn
[INFO] tweaked toml for git repo https://github.com/csauve/slughorn written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/csauve/slughorn 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-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] bc4e57afbb682eedc8e71866b857a035d7161933941cdaa5b16e2969b7c939e1
[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" "bc4e57afbb682eedc8e71866b857a035d7161933941cdaa5b16e2969b7c939e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bc4e57afbb682eedc8e71866b857a035d7161933941cdaa5b16e2969b7c939e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc4e57afbb682eedc8e71866b857a035d7161933941cdaa5b16e2969b7c939e1", kill_on_drop: false }`
[INFO] [stdout] bc4e57afbb682eedc8e71866b857a035d7161933941cdaa5b16e2969b7c939e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 484f1b1de6bd290b51e596d8e22a624bf697db4f66d601f3f7037fd36b56f68c
[INFO] running `Command { std: "docker" "start" "-a" "484f1b1de6bd290b51e596d8e22a624bf697db4f66d601f3f7037fd36b56f68c", kill_on_drop: false }`
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]     Checking slab v0.4.2
[INFO] [stderr]    Compiling memchr v2.3.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]     Checking bytes v0.5.3
[INFO] [stderr]     Checking fnv v1.0.6
[INFO] [stderr]     Checking itoa v0.4.4
[INFO] [stderr]     Checking pin-utils v0.1.0-alpha.4
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking unicode-width v0.1.7
[INFO] [stderr]     Checking try-lock v0.2.2
[INFO] [stderr]     Checking ansi_term v0.11.0
[INFO] [stderr]     Checking vec_map v0.8.1
[INFO] [stderr]     Checking strsim v0.8.0
[INFO] [stderr]    Compiling indexmap v1.3.1
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]     Checking c2-chacha v0.2.3
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking crossbeam-utils v0.7.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking mio v0.6.21
[INFO] [stderr]     Checking want v0.3.0
[INFO] [stderr]     Checking http v0.2.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking crossbeam-queue v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]    Compiling memoffset v0.5.3
[INFO] [stderr]     Checking crossbeam-epoch v0.8.0
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking crossbeam-deque v0.7.2
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking rayon-core v1.7.0
[INFO] [stderr]     Checking uuid v0.8.1
[INFO] [stderr]     Checking rayon v1.3.0
[INFO] [stderr]     Checking http-body v0.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling tokio-macros v0.2.4
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling pin-project-internal v0.4.6
[INFO] [stderr]     Checking tokio v0.2.11
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking pin-project v0.4.6
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking h2 v0.2.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking hyper v0.13.1
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]  Documenting bookworm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 37s
[INFO] running `Command { std: "docker" "inspect" "484f1b1de6bd290b51e596d8e22a624bf697db4f66d601f3f7037fd36b56f68c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "484f1b1de6bd290b51e596d8e22a624bf697db4f66d601f3f7037fd36b56f68c", kill_on_drop: false }`
[INFO] [stdout] 484f1b1de6bd290b51e596d8e22a624bf697db4f66d601f3f7037fd36b56f68c