[INFO] fetching crate poll-promise 0.1.0...
[INFO] documenting poll-promise-0.1.0 against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] extracting crate poll-promise 0.1.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate poll-promise 0.1.0 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 poll-promise 0.1.0
[INFO] finished tweaking crates.io crate poll-promise 0.1.0
[INFO] tweaked toml for crates.io crate poll-promise 0.1.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate poll-promise 0.1.0 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-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] dd8d7cb9dfec2056a5b7d517c32ea6c7ba81013448d10cd0ea429acfe565b0bb
[INFO] running `Command { std: "docker" "start" "-a" "dd8d7cb9dfec2056a5b7d517c32ea6c7ba81013448d10cd0ea429acfe565b0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "dd8d7cb9dfec2056a5b7d517c32ea6c7ba81013448d10cd0ea429acfe565b0bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd8d7cb9dfec2056a5b7d517c32ea6c7ba81013448d10cd0ea429acfe565b0bb", kill_on_drop: false }`
[INFO] [stdout] dd8d7cb9dfec2056a5b7d517c32ea6c7ba81013448d10cd0ea429acfe565b0bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 75c854aaff20d49269d6bda96506262144e006068f19f0684087d1bfb7837489
[INFO] running `Command { std: "docker" "start" "-a" "75c854aaff20d49269d6bda96506262144e006068f19f0684087d1bfb7837489", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]  Documenting poll-promise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `Promise::spawn_async`
[INFO] [stdout]   --> src/lib.rs:24:42
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! runtime to run `async` tasks using [`Promise::spawn_async`] and [`Promise::spawn_blocking`].
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_async`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Promise::spawn_blocking`
[INFO] [stdout]   --> src/lib.rs:24:71
[INFO] [stdout]    |
[INFO] [stdout] 24 | //! runtime to run `async` tasks using [`Promise::spawn_async`] and [`Promise::spawn_blocking`].
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_blocking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Promise::spawn_async`
[INFO] [stdout]   --> src/promise.rs:45:42
[INFO] [stdout]    |
[INFO] [stdout] 45 | /// runtime to run `async` tasks using [`Promise::spawn_async`] and [`Promise::spawn_blocking`].
[INFO] [stdout]    |                                          ^^^^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Promise::spawn_blocking`
[INFO] [stdout]   --> src/promise.rs:45:71
[INFO] [stdout]    |
[INFO] [stdout] 45 | /// runtime to run `async` tasks using [`Promise::spawn_async`] and [`Promise::spawn_blocking`].
[INFO] [stdout]    |                                                                       ^^^^^^^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_blocking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::spawn_blocking`
[INFO] [stdout]   --> src/promise.rs:62:20
[INFO] [stdout]    |
[INFO] [stdout] 62 |     /// See also [`Self::spawn_blocking`], [`Self::spawn_async`] and [`Self::spawn_thread`].
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_blocking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::spawn_async`
[INFO] [stdout]   --> src/promise.rs:62:46
[INFO] [stdout]    |
[INFO] [stdout] 62 |     /// See also [`Self::spawn_blocking`], [`Self::spawn_async`] and [`Self::spawn_thread`].
[INFO] [stdout]    |                                              ^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::spawn_blocking`
[INFO] [stdout]   --> src/promise.rs:89:78
[INFO] [stdout]    |
[INFO] [stdout] 89 |     /// If you are compiling with the "tokio" feature, you may want to use [`Self::spawn_blocking`] or [`Self::spawn_async`] instead.
[INFO] [stdout]    |                                                                              ^^^^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_blocking`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `Self::spawn_async`
[INFO] [stdout]   --> src/promise.rs:89:106
[INFO] [stdout]    |
[INFO] [stdout] 89 |     /// If you are compiling with the "tokio" feature, you may want to use [`Self::spawn_blocking`] or [`Self::spawn_async`] instead.
[INFO] [stdout]    |                                                                                                          ^^^^^^^^^^^^^^^^^ the struct `Promise` has no field or associated item named `spawn_async`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "75c854aaff20d49269d6bda96506262144e006068f19f0684087d1bfb7837489", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75c854aaff20d49269d6bda96506262144e006068f19f0684087d1bfb7837489", kill_on_drop: false }`
[INFO] [stdout] 75c854aaff20d49269d6bda96506262144e006068f19f0684087d1bfb7837489
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "--" "-Z" "unstable-options" "--document-private-items", kill_on_drop: false }`
[INFO] [stdout] 96a31afb99b4a754d169527e925a59ff74abfd69d4b67d60a6d0563402a3f2ca
[INFO] running `Command { std: "docker" "start" "-a" "96a31afb99b4a754d169527e925a59ff74abfd69d4b67d60a6d0563402a3f2ca", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.112
[INFO] [stderr]     Checking pin-project-lite v0.2.8
[INFO] [stderr]     Checking static_assertions v1.1.0
[INFO] [stderr]     Checking num_cpus v1.13.1
[INFO] [stderr]     Checking tokio v1.15.0
[INFO] [stderr]  Documenting poll-promise v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.86s
[INFO] running `Command { std: "docker" "inspect" "96a31afb99b4a754d169527e925a59ff74abfd69d4b67d60a6d0563402a3f2ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "96a31afb99b4a754d169527e925a59ff74abfd69d4b67d60a6d0563402a3f2ca", kill_on_drop: false }`
[INFO] [stdout] 96a31afb99b4a754d169527e925a59ff74abfd69d4b67d60a6d0563402a3f2ca