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# error kind ExecutionFailed
# pre-build errors command failed: exit status: 101
# rustc version rustc 1.97.0-nightly (e96c36b6f 2026-05-21)
# docs.rs version docsrs 0.0.0 (e50152ed411bb913753b1dfd203f22cb8711f097 2026-05-17 )
# 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" "e30ce9ade1573393550b03a2320fb8834e439b99bd11595620464f0486689deb" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--all-features" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"--html-in-header\", \"katex.html\", \"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260521-1.97.0-nightly-e96c36b6f\", \"--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 polars-ops v0.44.2 [INFO] [stderr] error[E0432]: unresolved import `core::unicode::Cased` [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-ops-0.44.2/src/chunked_array/strings/case.rs:79:45 [INFO] [stderr] | [INFO] [stderr] 79 | use core::unicode::{Case_Ignorable, Cased}; [INFO] [stderr] | ^^^^^ no `Cased` in `unicode` [INFO] [stderr] [INFO] [stderr] error[E0603]: function `Case_Ignorable` is private [INFO] [stderr] --> /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/polars-ops-0.44.2/src/chunked_array/strings/case.rs:79:29 [INFO] [stderr] | [INFO] [stderr] 79 | use core::unicode::{Case_Ignorable, Cased}; [INFO] [stderr] | ^^^^^^^^^^^^^^ private function [INFO] [stderr] | [INFO] [stderr] note: the function `Case_Ignorable` is defined here [INFO] [stderr] --> /opt/rustwide/rustup-home/toolchains/nightly-x86_64-unknown-linux-gnu/lib/rustlib/src/rust/library/core/src/unicode/mod.rs:11:16 [INFO] [stderr] | [INFO] [stderr] 11 | pub(crate) use unicode_data::case_ignorable::lookup as Case_Ignorable; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] Some errors have detailed explanations: E0432, E0603. [INFO] [stderr] For more information about an error, try `rustc --explain E0432`. [INFO] [stderr] error: could not compile `polars-ops` (lib) due to 2 previous errors [INFO] running `Command { std: "docker" "inspect" "e30ce9ade1573393550b03a2320fb8834e439b99bd11595620464f0486689deb", kill_on_drop: false }`