Build failed. If you want to re-trigger a documentation build, you can do it here. You can find more information on docs.rs builds documentation on the builds page.
# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.99.0-nightly (1a98b1e13 2026-08-07)
# docs.rs version docsrs 0.0.0 (c0e43eba3fa5e6341d933cf845300a19b1ac3e4e 2026-08-06 )
# 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" "e587b8d302d3aedf456b0d2873b5ae73c4671643771b8e2578fb82caa63f6a3d" "/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\", \"-20260807-1.99.0-nightly-1a98b1e13\", \"--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: target filter specified, but no targets matched; this is a no-op [INFO] [stderr] Checking rustix v0.36.17 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking zstd-safe v5.0.2+zstd.1.5.2 [INFO] [stderr] Checking crossbeam-deque v0.8.7 [INFO] [stderr] Checking ittapi-sys v0.3.5 [INFO] [stderr] Checking memoffset v0.8.0 [INFO] [stderr] Checking memfd v0.6.5 [INFO] [stderr] Compiling paste v1.0.15 [INFO] [stderr] Checking itertools v0.10.5 [INFO] [stderr] Checking cranelift-frontend v0.95.1 [INFO] [stderr] Checking cranelift-native v0.95.1 [INFO] [stderr] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.36.17/src/backend/linux_raw/io/errno.rs:28:25 [INFO] [stderr] | [INFO] [stderr] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] error: attributes starting with `rustc` are reserved for use by the `rustc` compiler [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.36.17/src/backend/linux_raw/io/errno.rs:29:25 [INFO] [stderr] | [INFO] [stderr] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Checking bincode v1.3.3 [INFO] [stderr] error: cannot find attribute `rustc_layout_scalar_valid_range_start` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.36.17/src/backend/linux_raw/io/errno.rs:28:25 [INFO] [stderr] | [INFO] [stderr] 28 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_start(0xf001))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling ring v0.17.14 [INFO] [stderr] error: cannot find attribute `rustc_layout_scalar_valid_range_end` in this scope [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/rustix-0.36.17/src/backend/linux_raw/io/errno.rs:29:25 [INFO] [stderr] | [INFO] [stderr] 29 | #[cfg_attr(rustc_attrs, rustc_layout_scalar_valid_range_end(0xffff))] [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Compiling ring v0.16.20 [INFO] [stderr] Checking dirs-sys-next v0.1.2 [INFO] [stderr] Checking linux-raw-sys v0.4.15 [INFO] [stderr] Checking cpufeatures v0.2.17 [INFO] [stderr] Compiling wasmtime-cache v8.0.1 [INFO] [stderr] Checking unicode-width v0.2.2 [INFO] [stderr] Compiling rustix v0.37.28 [INFO] [stderr] Compiling io-extras v0.17.4 [INFO] [stderr] Checking wast v255.0.0 [INFO] [stderr] Checking cranelift-wasm v0.95.1 [INFO] [stderr] error: could not compile `rustix` (lib) due to 4 previous errors [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] running `Command { std: "docker" "inspect" "e587b8d302d3aedf456b0d2873b5ae73c4671643771b8e2578fb82caa63f6a3d", kill_on_drop: false }`