[INFO] fetching crate spin 0.9.3...
[INFO] documenting spin-0.9.3 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate spin 0.9.3 into /workspace/builds/worker-30/source
[INFO] validating manifest of crates.io crate spin 0.9.3 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 spin 0.9.3
[INFO] finished tweaking crates.io crate spin 0.9.3
[INFO] tweaked toml for crates.io crate spin 0.9.3 written to /workspace/builds/worker-30/source/Cargo.toml
[INFO] crate crates.io crate spin 0.9.3 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-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] d7248dea035e44653cf66701b7b01e0244d170e07ff730e6aa73579083a7ae0c
[INFO] running `Command { std: "docker" "start" "-a" "d7248dea035e44653cf66701b7b01e0244d170e07ff730e6aa73579083a7ae0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d7248dea035e44653cf66701b7b01e0244d170e07ff730e6aa73579083a7ae0c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d7248dea035e44653cf66701b7b01e0244d170e07ff730e6aa73579083a7ae0c", kill_on_drop: false }`
[INFO] [stdout] d7248dea035e44653cf66701b7b01e0244d170e07ff730e6aa73579083a7ae0c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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] d3985b17516221bb36aec5e973a66abf754f3e83c1ecb2f58969653a1d15e664
[INFO] running `Command { std: "docker" "start" "-a" "d3985b17516221bb36aec5e973a66abf754f3e83c1ecb2f58969653a1d15e664", kill_on_drop: false }`
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]  Documenting spin v0.9.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Yield`
[INFO] [stdout]   --> src/relax.rs:16:84
[INFO] [stdout]    |
[INFO] [stdout] 16 | /// If you see signs that priority inversion is occurring, consider switching to [`Yield`] or, even better, not using a
[INFO] [stdout]    |                                                                                    ^^^^^ no item named `Yield` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.45s
[INFO] running `Command { std: "docker" "inspect" "d3985b17516221bb36aec5e973a66abf754f3e83c1ecb2f58969653a1d15e664", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d3985b17516221bb36aec5e973a66abf754f3e83c1ecb2f58969653a1d15e664", kill_on_drop: false }`
[INFO] [stdout] d3985b17516221bb36aec5e973a66abf754f3e83c1ecb2f58969653a1d15e664
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-30/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" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=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" "--all-features" "--frozen" "--message-format=json" "--" "--cfg" "docsrs" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 446479347c9be7f250fbc1b7d72a54e56308e95f5f4f9a80bf02613331e64af0
[INFO] running `Command { std: "docker" "start" "-a" "446479347c9be7f250fbc1b7d72a54e56308e95f5f4f9a80bf02613331e64af0", kill_on_drop: false }`
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]     Checking lock_api v0.4.1
[INFO] [stderr]  Documenting spin v0.9.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.71s
[INFO] running `Command { std: "docker" "inspect" "446479347c9be7f250fbc1b7d72a54e56308e95f5f4f9a80bf02613331e64af0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "446479347c9be7f250fbc1b7d72a54e56308e95f5f4f9a80bf02613331e64af0", kill_on_drop: false }`
[INFO] [stdout] 446479347c9be7f250fbc1b7d72a54e56308e95f5f4f9a80bf02613331e64af0