# rustc version rustc 1.98.0-nightly (e7815e522 2026-06-04)
# docs.rs version docsrs 0.0.0 (39849b9c22c419f6b690c8d2213455bc7426a6b8 2026-06-03 )
# 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" "e72b54fd152fd275356ee432b2b447861d8c505e69b4c773f94db585d4e2780f" "/opt/rustwide/cargo-home/bin/cargo" "+nightly" "rustdoc" "--lib" "-Zrustdoc-map" "--config" "build.rustdocflags=[\"--cfg\", \"docsrs\", \"-Z\", \"unstable-options\", \"--emit=invocation-specific\", \"--resource-suffix\", \"-20260604-1.98.0-nightly-e7815e522\", \"--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] Documenting ferrumDF v0.1.1 (/opt/rustwide/workdir) [INFO] [stderr] warning: trait `train_test_split` should have an upper camel case name [INFO] [stderr] --> src/data_frame/data_frame.rs:24:11 [INFO] [stderr] | [INFO] [stderr] 24 | pub trait train_test_split { [INFO] [stderr] | ^^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `TrainTestSplit` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/data_frame/data_frame.rs:82:24 [INFO] [stderr] | [INFO] [stderr] 82 | if (*value < min) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 82 - if (*value < min) { [INFO] [stderr] 82 + if *value < min { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/data_frame/data_frame.rs:85:24 [INFO] [stderr] | [INFO] [stderr] 85 | if (*value > max) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 85 - if (*value > max) { [INFO] [stderr] 85 + if *value > max { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/data_frame/data_frame.rs:96:24 [INFO] [stderr] | [INFO] [stderr] 96 | if (*value < min) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 96 - if (*value < min) { [INFO] [stderr] 96 + if *value < min { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/data_frame/data_frame.rs:99:24 [INFO] [stderr] | [INFO] [stderr] 99 | if (*value > max) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 99 - if (*value > max) { [INFO] [stderr] 99 + if *value > max { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/data_frame/data_frame.rs:107:12 [INFO] [stderr] | [INFO] [stderr] 107 | if (self.number_of_samples == 0) {//the first column [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 107 - if (self.number_of_samples == 0) {//the first column [INFO] [stderr] 107 + if self.number_of_samples == 0 {//the first column [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/data_frame/data_frame.rs:110:16 [INFO] [stderr] | [INFO] [stderr] 110 | if (self.number_of_samples != column.len() as u32) { [INFO] [stderr] | ^ ^ [INFO] [stderr] | [INFO] [stderr] help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] 110 - if (self.number_of_samples != column.len() as u32) { [INFO] [stderr] 110 + if self.number_of_samples != column.len() as u32 { [INFO] [stderr] | [INFO] [stderr] [INFO] [stderr] warning: trait `length` should have an upper camel case name [INFO] [stderr] --> src/data_frame/data_type.rs:21:11 [INFO] [stderr] | [INFO] [stderr] 21 | pub trait length { [INFO] [stderr] | ^^^^^^ help: convert the identifier to upper camel case: `Length` [INFO] [stderr] [INFO] [stderr] warning: trait `print_at_index` should have an upper camel case name [INFO] [stderr] --> src/data_frame/data_type.rs:37:11 [INFO] [stderr] | [INFO] [stderr] 37 | pub trait print_at_index { [INFO] [stderr] | ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrintAtIndex` [INFO] [stderr] [INFO] [stderr] warning: unclosed HTML tag `f32` [INFO] [stderr] --> src/data_frame/data_type.rs:4:31 [INFO] [stderr] | [INFO] [stderr] 4 | //! ---data_type::Float as vec<f32> [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(rustdoc::invalid_html_tags)]` on by default [INFO] [stderr] help: try marking as source code [INFO] [stderr] | [INFO] [stderr] 4 | //! ---data_type::Float as `vec<f32>` [INFO] [stderr] | + + [INFO] [stderr] [INFO] [stderr] warning: unclosed HTML tag `String` [INFO] [stderr] --> src/data_frame/data_type.rs:5:32 [INFO] [stderr] | [INFO] [stderr] 5 | //! ---data_type::String as vec<String> [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] help: try marking as source code [INFO] [stderr] | [INFO] [stderr] 5 | //! ---data_type::String as `vec<String>` [INFO] [stderr] | + + [INFO] [stderr] [INFO] [stderr] warning: unclosed HTML tag `u8` [INFO] [stderr] --> src/data_frame/data_type.rs:6:34 [INFO] [stderr] | [INFO] [stderr] 6 | //! ---data_type::Category as vec<u8> [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] help: try marking as source code [INFO] [stderr] | [INFO] [stderr] 6 | //! ---data_type::Category as `vec<u8>` [INFO] [stderr] | + + [INFO] [stderr] [INFO] [stderr] warning: `ferrumDF` (lib doc) generated 12 warnings (run `cargo fix --lib -p ferrumDF` to apply 6 suggestions) [INFO] [stderr] Finished `dev` profile [optimized + debuginfo] target(s) in 0.45s [INFO] [stderr] Generated /opt/rustwide/target/x86_64-unknown-linux-gnu/doc/ferrumDF/index.html [INFO] running `Command { std: "docker" "inspect" "e72b54fd152fd275356ee432b2b447861d8c505e69b4c773f94db585d4e2780f", kill_on_drop: false }`