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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.99.0-nightly (d0babd8b6 2026-07-15)
# docs.rs version docsrs 0.0.0 (f1b150f0cd76f7cabcd39e1f4790ba771b28b5c4 2026-07-19 )
# 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" "50dbde29d1225db51e2b6b0bfc268ab32f8c5b605f8a889af6f58d9d488127bb" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2026-07-16" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=html-non-static-files\", \"--resource-suffix\", \"-20260715-1.99.0-nightly-d0babd8b6\", \"--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 tracing v0.1.44 [INFO] [stderr] Checking rustix v0.37.28 [INFO] [stderr] Checking strsim v0.10.0 [INFO] [stderr] Checking home v0.5.12 [INFO] [stderr] Checking either v1.16.0 [INFO] [stderr] Checking termcolor v1.4.1 [INFO] [stderr] Checking unicase v2.9.0 [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] Compiling remain v0.2.16 [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 tracing-subscriber v0.2.25 [INFO] [stderr] Checking which v4.4.2 [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" "50dbde29d1225db51e2b6b0bfc268ab32f8c5b605f8a889af6f58d9d488127bb", kill_on_drop: false }`