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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.99.0-nightly (969b803cb 2026-08-09)
# 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" "9a48bdfe536af6848e815cbfd6198698a4cff2517b1ca4b4195657cc5fb45309" "/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\", \"-20260809-1.99.0-nightly-969b803cb\", \"--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: Rustdoc did not scrape the following examples because they require dev-dependencies: agentic_eval, prefix_gain, shell_agentic_eval, shell_bench, standing_context, token_bench [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 fdeflate v0.3.7 [INFO] [stderr] Checking zune-inflate v0.2.54 [INFO] [stderr] Checking hmac v0.12.1 [INFO] [stderr] Compiling derivative v2.2.0 [INFO] [stderr] Checking half v2.7.1 [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-0.37.28/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 serde_repr v0.1.21 [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] Compiling async-recursion v1.1.1 [INFO] [stderr] Checking socket2 v0.5.10 [INFO] [stderr] Checking xdg-home v1.3.0 [INFO] [stderr] Checking ordered-stream v0.2.0 [INFO] [stderr] Compiling ahash v0.8.12 [INFO] [stderr] Checking encoding_rs v0.8.35 [INFO] [stderr] Compiling num-conv v0.2.2 [INFO] [stderr] Checking bit_field v0.10.3 [INFO] [stderr] Checking hex v0.4.3 [INFO] [stderr] Checking bit-vec v0.6.3 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Checking color_quant v1.1.0 [INFO] [stderr] Checking lebe v0.5.3 [INFO] [stderr] Compiling anyhow v1.0.104 [INFO] [stderr] Checking strsim v0.11.1 [INFO] [stderr] Checking foldhash v0.1.5 [INFO] [stderr] Checking base64 v0.21.7 [INFO] [stderr] Checking unicode-width v0.1.14 [INFO] [stderr] Compiling time-core v0.1.9 [INFO] [stderr] Checking clap_lex v1.1.0 [INFO] [stderr] Checking allocator-api2 v0.2.21 [INFO] [stderr] Compiling time-macros v0.2.32 [INFO] [stderr] Checking clap_builder v4.6.6 [INFO] [stderr] Checking hashbrown v0.15.5 [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" "9a48bdfe536af6848e815cbfd6198698a4cff2517b1ca4b4195657cc5fb45309", kill_on_drop: false }`