[INFO] fetching crate broom 0.3.0...
[INFO] documenting broom-0.3.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate broom 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate broom 0.3.0 on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 98b725e737f52d65e14d9cfe7adc56d3042826cb23415d6b3491e40095499826
[INFO] running `Command { std: "docker" "start" "-a" "98b725e737f52d65e14d9cfe7adc56d3042826cb23415d6b3491e40095499826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98b725e737f52d65e14d9cfe7adc56d3042826cb23415d6b3491e40095499826", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98b725e737f52d65e14d9cfe7adc56d3042826cb23415d6b3491e40095499826", kill_on_drop: false }`
[INFO] [stdout] 98b725e737f52d65e14d9cfe7adc56d3042826cb23415d6b3491e40095499826
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] b7dbd636bedea76ffc8f14aa49d27353e851f478b2b575bf12df5ee28600a3c1
[INFO] running `Command { std: "docker" "start" "-a" "b7dbd636bedea76ffc8f14aa49d27353e851f478b2b575bf12df5ee28600a3c1", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[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: unresolved link to `Heap::mutate`
[INFO] [stdout]    --> src/lib.rs:312:77
[INFO] [stdout]     |
[INFO] [stdout] 312 |     /// **You almost certainly do not want to use this function: consider [`Heap::mutate`] or
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^ the struct `Heap` has no field or associated item named `mutate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Heap::mutate_unchecked`
[INFO] [stdout]    --> src/lib.rs:313:11
[INFO] [stdout]     |
[INFO] [stdout] 313 |     /// [`Heap::mutate_unchecked`] instead; both are safer than this function.**
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^ the struct `Heap` has no field or associated item named `mutate_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.59s
[INFO] running `Command { std: "docker" "inspect" "b7dbd636bedea76ffc8f14aa49d27353e851f478b2b575bf12df5ee28600a3c1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7dbd636bedea76ffc8f14aa49d27353e851f478b2b575bf12df5ee28600a3c1", kill_on_drop: false }`
[INFO] [stdout] b7dbd636bedea76ffc8f14aa49d27353e851f478b2b575bf12df5ee28600a3c1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 2416e2917ba71c2a3a73f57142e9dd594e6b5a77fbb999b7b8a039b25d756063
[INFO] running `Command { std: "docker" "start" "-a" "2416e2917ba71c2a3a73f57142e9dd594e6b5a77fbb999b7b8a039b25d756063", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v1.1.0
[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: unresolved link to `Heap::mutate`
[INFO] [stdout]    --> src/lib.rs:312:77
[INFO] [stdout]     |
[INFO] [stdout] 312 |     /// **You almost certainly do not want to use this function: consider [`Heap::mutate`] or
[INFO] [stdout]     |                                                                             ^^^^^^^^^^^^ the struct `Heap` has no field or associated item named `mutate`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Heap::mutate_unchecked`
[INFO] [stdout]    --> src/lib.rs:313:11
[INFO] [stdout]     |
[INFO] [stdout] 313 |     /// [`Heap::mutate_unchecked`] instead; both are safer than this function.**
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^ the struct `Heap` has no field or associated item named `mutate_unchecked`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.34s
[INFO] running `Command { std: "docker" "inspect" "2416e2917ba71c2a3a73f57142e9dd594e6b5a77fbb999b7b8a039b25d756063", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2416e2917ba71c2a3a73f57142e9dd594e6b5a77fbb999b7b8a039b25d756063", kill_on_drop: false }`
[INFO] [stdout] 2416e2917ba71c2a3a73f57142e9dd594e6b5a77fbb999b7b8a039b25d756063