[INFO] fetching crate ppom 0.7.0...
[INFO] documenting ppom-0.7.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate ppom 0.7.0 into /workspace/builds/worker-38/source
[INFO] validating manifest of crates.io crate ppom 0.7.0 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 ppom 0.7.0
[INFO] finished tweaking crates.io crate ppom 0.7.0
[INFO] tweaked toml for crates.io crate ppom 0.7.0 written to /workspace/builds/worker-38/source/Cargo.toml
[INFO] crate crates.io crate ppom 0.7.0 already has a lockfile, it will not be regenerated
[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-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] f1e34f9b51fe293cc3692a2c80a14fba66117f745db8d5d818a21325f3b19786
[INFO] running `Command { std: "docker" "start" "-a" "f1e34f9b51fe293cc3692a2c80a14fba66117f745db8d5d818a21325f3b19786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f1e34f9b51fe293cc3692a2c80a14fba66117f745db8d5d818a21325f3b19786", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f1e34f9b51fe293cc3692a2c80a14fba66117f745db8d5d818a21325f3b19786", kill_on_drop: false }`
[INFO] [stdout] f1e34f9b51fe293cc3692a2c80a14fba66117f745db8d5d818a21325f3b19786
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] c896a89c083c21b34457643315960e4df0d335853ca023c5ec141f099eae21a3
[INFO] running `Command { std: "docker" "start" "-a" "c896a89c083c21b34457643315960e4df0d335853ca023c5ec141f099eae21a3", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]     Checking getrandom v0.1.16
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting ppom v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Spinlock::to_stats`
[INFO] [stdout]    --> src/spinlock.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |     /// [to_stats][Spinlock::to_stats] is called.
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^ the struct `Spinlock` has no field or associated item named `to_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.57s
[INFO] running `Command { std: "docker" "inspect" "c896a89c083c21b34457643315960e4df0d335853ca023c5ec141f099eae21a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c896a89c083c21b34457643315960e4df0d335853ca023c5ec141f099eae21a3", kill_on_drop: false }`
[INFO] [stdout] c896a89c083c21b34457643315960e4df0d335853ca023c5ec141f099eae21a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-38/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] [stdout] 3fafef62b7998ba22696d9732bd3df3af325d200a061325ec6a77108ac5939cd
[INFO] running `Command { std: "docker" "start" "-a" "3fafef62b7998ba22696d9732bd3df3af325d200a061325ec6a77108ac5939cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling getrandom v0.1.16
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]     Checking ppv-lite86 v0.2.10
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_pcg v0.2.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]  Documenting ppom v0.7.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Spinlock::to_stats`
[INFO] [stdout]    --> src/spinlock.rs:257:20
[INFO] [stdout]     |
[INFO] [stdout] 257 |     /// [to_stats][Spinlock::to_stats] is called.
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^ the struct `Spinlock` has no field or associated item named `to_stats`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.92s
[INFO] running `Command { std: "docker" "inspect" "3fafef62b7998ba22696d9732bd3df3af325d200a061325ec6a77108ac5939cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fafef62b7998ba22696d9732bd3df3af325d200a061325ec6a77108ac5939cd", kill_on_drop: false }`
[INFO] [stdout] 3fafef62b7998ba22696d9732bd3df3af325d200a061325ec6a77108ac5939cd