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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 (964c90a45859fd8f9076e3cbe58470a5a4f4d4f7 2026-07-01 )
# 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" "32f884299e571531e7c694b61903cd12c8deaf1ae65c2f0b890f74137721ada1" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2026-07-16" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--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 icu_provider v2.2.0 [INFO] [stderr] Checking rustix v0.37.28 [INFO] [stderr] Compiling thiserror v1.0.69 [INFO] [stderr] Checking unicode-bidi v0.3.18 [INFO] [stderr] Compiling parking_lot_core v0.9.12 [INFO] [stderr] Checking equivalent v1.0.2 [INFO] [stderr] Checking indexmap v2.14.0 [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] Checking icu_properties v2.2.0 [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 icu_normalizer v2.2.0 [INFO] [stderr] Checking ring v0.17.14 [INFO] [stderr] Compiling darling_core v0.13.4 [INFO] [stderr] Compiling serde_json v1.0.150 [INFO] [stderr] Checking piper v0.2.5 [INFO] [stderr] Checking futures-util v0.3.33 [INFO] [stderr] Checking form_urlencoded v1.2.2 [INFO] [stderr] Compiling rustix v0.38.44 [INFO] [stderr] Compiling crossbeam-epoch v0.9.20 [INFO] [stderr] Compiling num-traits v0.2.19 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Checking idna_adapter v1.2.2 [INFO] [stderr] Checking idna v1.1.0 [INFO] [stderr] Checking signal-hook-registry v1.4.8 [INFO] [stderr] Checking rand_chacha v0.3.1 [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" "32f884299e571531e7c694b61903cd12c8deaf1ae65c2f0b890f74137721ada1", kill_on_drop: false }`