[INFO] fetching crate backdrop 0.1.11...
[INFO] documenting backdrop-0.1.11 against beta-2023-04-20 for beta-1.70-rustdoc-1
[INFO] extracting crate backdrop 0.1.11 into /workspace/builds/worker-2-tc2/source
[INFO] validating manifest of crates.io crate backdrop 0.1.11 on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate backdrop 0.1.11
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate backdrop 0.1.11
[INFO] tweaked toml for crates.io crate backdrop 0.1.11 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate crates.io crate backdrop 0.1.11 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded windows-targets v0.42.1
[INFO] [stderr]   Downloaded signal-hook-registry v1.4.1
[INFO] [stderr]   Downloaded bytes v1.4.0
[INFO] [stderr]   Downloaded mio v0.8.6
[INFO] [stderr]   Downloaded rkyv v0.7.40
[INFO] [stderr]   Downloaded rkyv_derive v0.7.40
[INFO] [stderr]   Downloaded tokio v1.25.0
[INFO] [stderr]   Downloaded bytecheck_derive v0.7.0
[INFO] [stderr]   Downloaded tokio-macros v1.8.2
[INFO] [stderr]   Downloaded bytecheck v0.7.0
[INFO] [stderr]   Downloaded ptr_meta_derive v0.1.4
[INFO] [stderr]   Downloaded ptr_meta v0.1.4
[INFO] [stderr]   Downloaded seahash v4.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fac57c590f15293d95bd81e8e63c50584c9204a04b735ab4f322ede35a373ef3
[INFO] running `Command { std: "docker" "start" "-a" "fac57c590f15293d95bd81e8e63c50584c9204a04b735ab4f322ede35a373ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fac57c590f15293d95bd81e8e63c50584c9204a04b735ab4f322ede35a373ef3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fac57c590f15293d95bd81e8e63c50584c9204a04b735ab4f322ede35a373ef3", kill_on_drop: false }`
[INFO] [stdout] fac57c590f15293d95bd81e8e63c50584c9204a04b735ab4f322ede35a373ef3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 53395b6ed54ab921d56c9954256ae528df2cad9df32f83b14dd29efa504b4811
[INFO] running `Command { std: "docker" "start" "-a" "53395b6ed54ab921d56c9954256ae528df2cad9df32f83b14dd29efa504b4811", kill_on_drop: false }`
[INFO] [stderr]  Documenting backdrop v0.1.11 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unresolved link to `TokioTaskStrategy`
[INFO] [stdout]   --> src/lib.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! - [`TokioTaskStrategy`] or [`TokioBlockingTaskStrategy`] if you are building an `async` application on top of the [`::tokio`] crate.
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^ no item named `TokioTaskStrategy` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout]    = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `TokioBlockingTaskStrategy`
[INFO] [stdout]   --> src/lib.rs:15:34
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! - [`TokioTaskStrategy`] or [`TokioBlockingTaskStrategy`] if you are building an `async` application on top of the [`::tokio`] crate.
[INFO] [stdout]    |                                  ^^^^^^^^^^^^^^^^^^^^^^^^^ no item named `TokioBlockingTaskStrategy` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `::tokio`
[INFO] [stdout]   --> src/lib.rs:15:121
[INFO] [stdout]    |
[INFO] [stdout] 15 | //! - [`TokioTaskStrategy`] or [`TokioBlockingTaskStrategy`] if you are building an `async` application on top of the [`::tokio`] crate.
[INFO] [stdout]    |                                                                                                                         ^^^^^^^ no item named `` in scope
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `tokio`
[INFO] [stdout]   --> src/lib.rs:33:131
[INFO] [stdout]    |
[INFO] [stdout] 33 | ...t drop on a background _tokio task_. (C.f. the [`tokio`] module)
[INFO] [stdout]    |                                                     ^^^^^ no item named `tokio` in scope
[INFO] [stdout]    |
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
[INFO] running `Command { std: "docker" "inspect" "53395b6ed54ab921d56c9954256ae528df2cad9df32f83b14dd29efa504b4811", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53395b6ed54ab921d56c9954256ae528df2cad9df32f83b14dd29efa504b4811", kill_on_drop: false }`
[INFO] [stdout] 53395b6ed54ab921d56c9954256ae528df2cad9df32f83b14dd29efa504b4811
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "rustdoc" "--lib" "-Zrustdoc-map" "--features" "doc" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 08e0e76996c5a156eefe3da653c90193d8b80386ef16a51e43c82a0ab98271ec
[INFO] running `Command { std: "docker" "start" "-a" "08e0e76996c5a156eefe3da653c90193d8b80386ef16a51e43c82a0ab98271ec", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.51
[INFO] [stderr]    Compiling quote v1.0.23
[INFO] [stderr]    Compiling unicode-ident v1.0.6
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling libc v0.2.139
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling parking_lot_core v0.9.7
[INFO] [stderr]    Compiling log v0.4.17
[INFO] [stderr]     Checking scopeguard v1.1.0
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking smallvec v1.10.0
[INFO] [stderr]    Compiling rkyv v0.7.40
[INFO] [stderr]    Compiling bytecheck v0.7.0
[INFO] [stderr]     Checking seahash v4.1.0
[INFO] [stderr]     Checking pin-project-lite v0.2.9
[INFO] [stderr]     Checking bytes v1.4.0
[INFO] [stderr]    Compiling lock_api v0.4.9
[INFO] [stderr]    Compiling tokio v1.25.0
[INFO] [stderr]     Checking num_cpus v1.15.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.1
[INFO] [stderr]     Checking mio v0.8.6
[INFO] [stderr]     Checking socket2 v0.4.7
[INFO] [stderr]     Checking parking_lot v0.12.1
[INFO] [stderr]    Compiling ptr_meta_derive v0.1.4
[INFO] [stderr]    Compiling bytecheck_derive v0.7.0
[INFO] [stderr]    Compiling rkyv_derive v0.7.40
[INFO] [stderr]    Compiling tokio-macros v1.8.2
[INFO] [stderr]     Checking ptr_meta v0.1.4
[INFO] [stderr]  Documenting backdrop v0.1.11 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.27s
[INFO] running `Command { std: "docker" "inspect" "08e0e76996c5a156eefe3da653c90193d8b80386ef16a51e43c82a0ab98271ec", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08e0e76996c5a156eefe3da653c90193d8b80386ef16a51e43c82a0ab98271ec", kill_on_drop: false }`
[INFO] [stdout] 08e0e76996c5a156eefe3da653c90193d8b80386ef16a51e43c82a0ab98271ec
