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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.100.0-nightly (67854e511 2026-08-15)
# docs.rs version docsrs 0.0.0 (b67fb7d1993e3c70fff4d05e2bc482bd9d0d774f 2026-08-13 )
# 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" "ddca8daf0135d0e2056048a9adbd0c460a8f1aec38ab9853aa05014233033339" "/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\", \"-20260815-1.100.0-nightly-67854e511\", \"--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\"" "-j6" "--target" "x86_64-unknown-linux-gnu" "-Zrustdoc-scrape-examples", kill_on_drop: false }` [INFO] [stderr] warning: Rustdoc did not scrape the following examples because they require dev-dependencies: example [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] Checking rustix v0.37.28 [INFO] [stderr] Checking digest v0.10.7 [INFO] [stderr] Checking deadpool v0.7.0 [INFO] [stderr] Compiling crossbeam-deque v0.8.7 [INFO] [stderr] Checking dashmap v5.5.3 [INFO] [stderr] Checking async-tls v0.10.0 [INFO] [stderr] Checking bzip2-sys v0.1.13+1.0.8 [INFO] [stderr] Checking futures v0.3.34 [INFO] [stderr] Checking crossbeam-epoch v0.9.20 [INFO] [stderr] Compiling mime_guess v2.0.5 [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-0.37.28/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-0.37.28/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 crc32fast v1.5.0 [INFO] [stderr] Checking async-signal v0.2.14 [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-0.37.28/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: 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-0.37.28/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 unicase v2.9.0 [INFO] [stderr] Checking mime v0.3.17 [INFO] [stderr] Compiling rayon-core v1.13.0 [INFO] [stderr] Checking flate2 v1.1.9 [INFO] [stderr] Checking async-process v2.5.0 [INFO] [stderr] Checking bzip2 v0.4.4 [INFO] [stderr] Checking async-net v2.0.0 [INFO] [stderr] Checking async-fs v2.2.0 [INFO] [stderr] Checking xattr v1.6.1 [INFO] [stderr] Checking tracing-core v0.1.36 [INFO] [stderr] Compiling tracing-attributes v0.1.31 [INFO] [stderr] Checking time v0.1.45 [INFO] [stderr] Checking filetime v0.2.29 [INFO] [stderr] Checking byteorder v1.5.0 [INFO] [stderr] Compiling thiserror v2.0.20 [INFO] [stderr] Checking tar v0.4.46 [INFO] [stderr] Checking zip v0.5.13 [INFO] [stderr] Checking smol v2.0.2 [INFO] [stderr] Checking sha2 v0.10.9 [INFO] [stderr] Checking sha1 v0.10.7 [INFO] [stderr] Compiling thiserror-impl v2.0.20 [INFO] [stderr] Checking symlink v0.1.0 [INFO] [stderr] Checking either v1.17.0 [INFO] [stderr] Checking hex v0.4.3 [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" "ddca8daf0135d0e2056048a9adbd0c460a8f1aec38ab9853aa05014233033339", kill_on_drop: false }`