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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.98.0-nightly (d595fce01 2026-06-02)
# docs.rs version docsrs 0.0.0 (39849b9c22c419f6b690c8d2213455bc7426a6b8 2026-06-03 )
# build log [INFO] running `Command { std: "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" "084ca1818352efb14b3b0fb4568b8a719e1436ad4aef90b60b7cf55fac96cf23" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260602-1.98.0-nightly-d595fce01\", \"--static-root-path\", \"/-/rustdoc.static/\", \"--cap-lints\", \"warn\", \"--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\"" "-Zrustdoc-scrape-examples" "-j6" "--target" "x86_64-unknown-linux-gnu", kill_on_drop: false }` [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `futures-util` dependency) [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `mime` dependency) [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `mime_guess` dependency) [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `tokio` dependency) [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `tokio-util` dependency) [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `tracing` dependency) [INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition [INFO] [stderr] (in the `tracing` dependency) [INFO] [stderr] warning: `tower-async-http` (manifest) generated 7 warnings [INFO] [stderr] warning: Rustdoc did not scrape the following examples because they require dev-dependencies: axum-http-server, axum-key-value-store, hyper-http-server [INFO] [stderr] If you want Rustdoc to scrape these examples, then add `doc-scrape-examples = true` [INFO] [stderr] to the [[example]] target configuration of at least one example. [INFO] [stderr] warning: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Documenting tower-async-http v0.2.0 (/opt/rustwide/workdir) [INFO] [stderr] error[E0557]: feature has been removed [INFO] [stderr] --> src/lib.rs:219:29 [INFO] [stderr] | [INFO] [stderr] 219 | #![cfg_attr(docsrs, feature(doc_auto_cfg))] [INFO] [stderr] | ^^^^^^^^^^^^ feature has been removed [INFO] [stderr] | [INFO] [stderr] = note: removed in 1.92.0; see <https://github.com/rust-lang/rust/pull/138907> for more information [INFO] [stderr] = note: merged into `doc_cfg` [INFO] [stderr] [INFO] [stderr] error: Compilation failed, aborting rustdoc [INFO] [stderr] [INFO] [stderr] For more information about this error, try `rustc --explain E0557`. [INFO] [stderr] error: could not document `tower-async-http` [INFO] running `Command { std: "docker" "inspect" "084ca1818352efb14b3b0fb4568b8a719e1436ad4aef90b60b7cf55fac96cf23", kill_on_drop: false }`