# rustc version rustc 1.101.0-nightly (0abfedbc7 2026-10-02)
# docs.rs version docsrs 0.0.0 (6b0955898af88db642c5ce7420d9dbef2c65d5d9 2026-09-30 )
# build log [INFO] adding target x86_64-unknown-linux-gnu for toolchain nightly [INFO] running `"rustup" "target" "add" "--toolchain" "nightly" "x86_64-unknown-linux-gnu"` [INFO] [stderr] info: component rust-std is up to date [INFO] running `"docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "DOCS_RS=1" "-w" "/opt/rustwide/workdir" "--user" "1001:1001" "a5dd6059a7cd790a6ba3df47c833324e3028835cd1081df8c5a511937deba31c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20261002-1.101.0-nightly-0abfedbc7\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--extern-html-root-takes-precedence\"]" "--offline" "-Zunstable-options" "--config=doc.extern-map.registries.crates-io=\"https://docs.rs/{pkg_name}/{version}/x86_64-unknown-linux-gnu\"" "-j12" "-Zrustdoc-scrape-examples"` [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting async-recursion v1.2.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unresolved link to `Future` [INFO] [stderr] --> src/lib.rs:57:20 [INFO] [stderr] | [INFO] [stderr] 57 | //! The returned [`Future`] has a [`Send`] bound to make sure it can be sent between threads. [INFO] [stderr] | ^^^^^^ no item named `Future` in scope [INFO] [stderr] | [INFO] [stderr] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stderr] = note: `#[warn(rustdoc::broken_intra_doc_links)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `Future` [INFO] [stderr] --> src/lib.rs:71:20 [INFO] [stderr] | [INFO] [stderr] 71 | //! The returned [`Future`] doesn't have a [`Sync`] bound as it is usually not required. [INFO] [stderr] | ^^^^^^ no item named `Future` in scope [INFO] [stderr] | [INFO] [stderr] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `Future` [INFO] [stderr] --> src/lib.rs:86:71 [INFO] [stderr] | [INFO] [stderr] 86 | //! - `#[async_recursion]` modifies your function to return a boxed [`Future`] with a [`Send`] bound. [INFO] [stderr] | ^^^^^^ no item named `Future` in scope [INFO] [stderr] | [INFO] [stderr] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `Future` [INFO] [stderr] --> src/lib.rs:87:78 [INFO] [stderr] | [INFO] [stderr] 87 | //! - `#[async_recursion(?Send)]` modifies your function to return a boxed [`Future`] _without_ a [`Send`] bound. [INFO] [stderr] | ^^^^^^ no item named `Future` in scope [INFO] [stderr] | [INFO] [stderr] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stderr] [INFO] [stderr] warning: unresolved link to `Future` [INFO] [stderr] --> src/lib.rs:88:77 [INFO] [stderr] | [INFO] [stderr] 88 | //! - `#[async_recursion(Sync)]` modifies your function to return a boxed [`Future`] with [`Send`] and [`Sync`] bounds. [INFO] [stderr] | ^^^^^^ no item named `Future` in scope [INFO] [stderr] | [INFO] [stderr] = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]` [INFO] [stderr] [INFO] [stderr] warning: `async-recursion` (lib doc) generated 5 warnings [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.16s [INFO] [stderr] Generated /opt/rustwide/target/doc/async_recursion/index.html [INFO] running `"docker" "inspect" "a5dd6059a7cd790a6ba3df47c833324e3028835cd1081df8c5a511937deba31c"`