[INFO] fetching crate work-queue 0.1.3...
[INFO] documenting work-queue-0.1.3 against 1.61.0 for beta-1.62-rustdoc-1
[INFO] extracting crate work-queue 0.1.3 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate work-queue 0.1.3 on toolchain 1.61.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate work-queue 0.1.3
[INFO] finished tweaking crates.io crate work-queue 0.1.3
[INFO] tweaked toml for crates.io crate work-queue 0.1.3 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.61.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded array-init v2.0.0
[INFO] [stderr]   Downloaded generator v0.6.25
[INFO] [stderr]   Downloaded loom v0.4.1
[INFO] [stderr]   Downloaded cobb v0.0.1
[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" "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" "+1.61.0" "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] 558a61b0fcec3d37c561c0eaef8915a9ef793c6875146dff3001e8bb466d82d8
[INFO] running `Command { std: "docker" "start" "-a" "558a61b0fcec3d37c561c0eaef8915a9ef793c6875146dff3001e8bb466d82d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "558a61b0fcec3d37c561c0eaef8915a9ef793c6875146dff3001e8bb466d82d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "558a61b0fcec3d37c561c0eaef8915a9ef793c6875146dff3001e8bb466d82d8", kill_on_drop: false }`
[INFO] [stdout] 558a61b0fcec3d37c561c0eaef8915a9ef793c6875146dff3001e8bb466d82d8
[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" "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" "+1.61.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f74ab52e31e5a3ad623e5d2aa540f19a053266b456b2bd08f0354046b11c4f89
[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" "f74ab52e31e5a3ad623e5d2aa540f19a053266b456b2bd08f0354046b11c4f89", kill_on_drop: false }`
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]  Documenting work-queue v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Self::pop`
[INFO] [stdout]    --> src/lib.rs:173:88
[INFO] [stdout]     |
[INFO] [stdout] 173 |     /// Get the number of threads that are currently searching for work inside [`pop`](Self::pop).
[INFO] [stdout]     |                                                                                        ^^^^^^^^^ the struct `Queue` has no field or associated item named `pop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::pop`
[INFO] [stdout]    --> src/lib.rs:175:75
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// If this number is too high, you may wish to avoid calling [`pop`](Self::pop) to reduce
[INFO] [stdout]     |                                                                           ^^^^^^^^^ the struct `Queue` has no field or associated item named `pop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.17s
[INFO] running `Command { std: "docker" "inspect" "f74ab52e31e5a3ad623e5d2aa540f19a053266b456b2bd08f0354046b11c4f89", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f74ab52e31e5a3ad623e5d2aa540f19a053266b456b2bd08f0354046b11c4f89", kill_on_drop: false }`
[INFO] [stdout] f74ab52e31e5a3ad623e5d2aa540f19a053266b456b2bd08f0354046b11c4f89
[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" "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" "+1.61.0" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 7d2d0aa86e7e4c5422ae9181bd4d4d9a16ec898388da0acc37ae9e466ec68706
[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" "7d2d0aa86e7e4c5422ae9181bd4d4d9a16ec898388da0acc37ae9e466ec68706", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking cache-padded v1.2.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]  Documenting work-queue v0.1.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Self::pop`
[INFO] [stdout]    --> src/lib.rs:173:88
[INFO] [stdout]     |
[INFO] [stdout] 173 |     /// Get the number of threads that are currently searching for work inside [`pop`](Self::pop).
[INFO] [stdout]     |                                                                                        ^^^^^^^^^ the struct `Queue` has no field or associated item named `pop`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::pop`
[INFO] [stdout]    --> src/lib.rs:175:75
[INFO] [stdout]     |
[INFO] [stdout] 175 |     /// If this number is too high, you may wish to avoid calling [`pop`](Self::pop) to reduce
[INFO] [stdout]     |                                                                           ^^^^^^^^^ the struct `Queue` has no field or associated item named `pop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "7d2d0aa86e7e4c5422ae9181bd4d4d9a16ec898388da0acc37ae9e466ec68706", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7d2d0aa86e7e4c5422ae9181bd4d4d9a16ec898388da0acc37ae9e466ec68706", kill_on_drop: false }`
[INFO] [stdout] 7d2d0aa86e7e4c5422ae9181bd4d4d9a16ec898388da0acc37ae9e466ec68706