[INFO] fetching crate broom 0.3.0...
[INFO] documenting broom-0.3.0 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] extracting crate broom 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate broom 0.3.0 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 crates.io crate broom 0.3.0
[INFO] finished tweaking crates.io crate broom 0.3.0
[INFO] tweaked toml for crates.io crate broom 0.3.0 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 502787a29e713e064aa563b2ef893b947181eb9a196c0dfaf608606e6e0ba11a
[INFO] running `Command { std: "docker" "start" "-a" "502787a29e713e064aa563b2ef893b947181eb9a196c0dfaf608606e6e0ba11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "502787a29e713e064aa563b2ef893b947181eb9a196c0dfaf608606e6e0ba11a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "502787a29e713e064aa563b2ef893b947181eb9a196c0dfaf608606e6e0ba11a", kill_on_drop: false }`
[INFO] [stdout] 502787a29e713e064aa563b2ef893b947181eb9a196c0dfaf608606e6e0ba11a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] e780ac69e7056510c901a9cfa478cfe3e43d4b0e5deb53401f4c3610b2ee70c1
[INFO] running `Command { std: "docker" "start" "-a" "e780ac69e7056510c901a9cfa478cfe3e43d4b0e5deb53401f4c3610b2ee70c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking ahash v0.3.8
[INFO] [stderr]    Compiling hashbrown v0.7.2
[INFO] [stderr]  Documenting broom v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `[Heap::mutate]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:312:76
[INFO] [stdout]     |
[INFO] [stdout] 312 |     /// **You almost certainly do not want to use this function: consider [`Heap::mutate`] or
[INFO] [stdout]     |                                                                            ^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(intra_doc_link_resolution_failure)]` on by default
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `[Heap::mutate_unchecked]` cannot be resolved, ignoring it.
[INFO] [stdout]    --> src/lib.rs:313:10
[INFO] [stdout]     |
[INFO] [stdout] 313 |     /// [`Heap::mutate_unchecked`] instead; both are safer than this function.**
[INFO] [stdout]     |          ^^^^^^^^^^^^^^^^^^^^^^^^ cannot be resolved, ignoring
[INFO] [stdout]     |
[INFO] [stdout]     = help: to escape `[` and `]` characters, just add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.52s
[INFO] running `Command { std: "docker" "inspect" "e780ac69e7056510c901a9cfa478cfe3e43d4b0e5deb53401f4c3610b2ee70c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e780ac69e7056510c901a9cfa478cfe3e43d4b0e5deb53401f4c3610b2ee70c1", kill_on_drop: false }`
[INFO] [stdout] e780ac69e7056510c901a9cfa478cfe3e43d4b0e5deb53401f4c3610b2ee70c1