[INFO] fetching crate nlpo3 1.4.0...
[INFO] building nlpo3-1.4.0 against master#ad85bc524b1ad696e42061ad8338d382dffbdbe5 for pr-146237-1
[INFO] extracting crate nlpo3 1.4.0 into /workspace/builds/worker-7-tc1/source
[INFO] removed /workspace/builds/worker-7-tc1/source/.cargo/config.toml
[INFO] started tweaking crates.io crate nlpo3 1.4.0
[INFO] finished tweaking crates.io crate nlpo3 1.4.0
[INFO] tweaked toml for crates.io crate nlpo3 1.4.0 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nlpo3 1.4.0 on toolchain ad85bc524b1ad696e42061ad8338d382dffbdbe5
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 18 packages to latest compatible versions
[INFO] [stderr]       Adding binary-heap-plus v0.4.1 (available: v0.5.0)
[INFO] [stderr]       Adding regex-syntax v0.6.29 (available: v0.8.6)
[INFO] [stderr]       Adding rustc-hash v1.1.0 (available: v2.1.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded compare v0.1.0
[INFO] [stderr]   Downloaded binary-heap-plus v0.4.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0893f7df6addb0d6207245f3bbbbfcc2b1dbb84aba7f1a7a81ba0f5520019456
[INFO] running `Command { std: "docker" "start" "-a" "0893f7df6addb0d6207245f3bbbbfcc2b1dbb84aba7f1a7a81ba0f5520019456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0893f7df6addb0d6207245f3bbbbfcc2b1dbb84aba7f1a7a81ba0f5520019456", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0893f7df6addb0d6207245f3bbbbfcc2b1dbb84aba7f1a7a81ba0f5520019456", kill_on_drop: false }`
[INFO] [stdout] 0893f7df6addb0d6207245f3bbbbfcc2b1dbb84aba7f1a7a81ba0f5520019456
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8aff8abdcb85a90cddea875aceb5cdfa941cc989855f889a793e32232feb26f7
[INFO] running `Command { std: "docker" "start" "-a" "8aff8abdcb85a90cddea875aceb5cdfa941cc989855f889a793e32232feb26f7", kill_on_drop: false }`
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling anyhow v1.0.100
[INFO] [stderr]    Compiling compare v0.1.0
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling rustc-hash v1.1.0
[INFO] [stderr]    Compiling binary-heap-plus v0.4.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling regex-automata v0.4.11
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling regex v1.11.3
[INFO] [stderr]    Compiling nlpo3 v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/tokenizer/dict_reader.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Self::ByteLiteral => {
[INFO] [stdout]    |             ----------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 53 |             UnsupportedCustomRegexParserError::ByteLiteral => todo!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 97 |             LiteralEnum::Byte(b) => Err(AnyError::new(
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DifferentRanges`, `RepetitionRange`, `AnchorStartLine`, and `AnchorEndLine` are never constructed
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum UnsupportedCustomRegexParserError {
[INFO] [stdout]    |      --------------------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     DifferentRanges(char, char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     RepetitionRange,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     AnchorStartLine,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     AnchorEndLine,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnsupportedCustomRegexParserError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_range` is never used
[INFO] [stdout]    --> src/four_bytes_str/custom_regex.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn is_in_range<T: PartialEq + PartialOrd>(value: T, range: (T, T)) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid_custom_str_bytes` is never used
[INFO] [stdout]   --> src/four_bytes_str/custom_string.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub trait FixedCharsLengthByteSlice {
[INFO] [stdout]    |           ------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_valid_custom_str_bytes(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FixedLengthCustomString` is never used
[INFO] [stdout]    --> src/four_bytes_str/custom_string.rs:257:11
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub trait FixedLengthCustomString<T: Sized + FixedLengthCustomString<T>> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_full_string`, `full_string_bytes_len`, and `convert_raw_bytes_to_utf8_bytes` are never used
[INFO] [stdout]    --> src/four_bytes_str/custom_string.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 291 | impl CustomString {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 311 |     pub fn is_full_string(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn full_string_bytes_len(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |     pub fn convert_raw_bytes_to_utf8_bytes(input: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 16.75s
[INFO] running `Command { std: "docker" "inspect" "8aff8abdcb85a90cddea875aceb5cdfa941cc989855f889a793e32232feb26f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8aff8abdcb85a90cddea875aceb5cdfa941cc989855f889a793e32232feb26f7", kill_on_drop: false }`
[INFO] [stdout] 8aff8abdcb85a90cddea875aceb5cdfa941cc989855f889a793e32232feb26f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+ad85bc524b1ad696e42061ad8338d382dffbdbe5" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 533c62f7bf55bcab1f061042deeb40c7606e861425a773f2da468c5da49ebb29
[INFO] running `Command { std: "docker" "start" "-a" "533c62f7bf55bcab1f061042deeb40c7606e861425a773f2da468c5da49ebb29", kill_on_drop: false }`
[INFO] [stderr]    Compiling nlpo3 v1.4.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/tokenizer/dict_reader.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Self::ByteLiteral => {
[INFO] [stdout]    |             ----------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 53 |             UnsupportedCustomRegexParserError::ByteLiteral => todo!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 97 |             LiteralEnum::Byte(b) => Err(AnyError::new(
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DifferentRanges`, `RepetitionRange`, `AnchorStartLine`, and `AnchorEndLine` are never constructed
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum UnsupportedCustomRegexParserError {
[INFO] [stdout]    |      --------------------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     DifferentRanges(char, char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     RepetitionRange,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     AnchorStartLine,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     AnchorEndLine,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnsupportedCustomRegexParserError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_range` is never used
[INFO] [stdout]    --> src/four_bytes_str/custom_regex.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn is_in_range<T: PartialEq + PartialOrd>(value: T, range: (T, T)) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid_custom_str_bytes` is never used
[INFO] [stdout]   --> src/four_bytes_str/custom_string.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub trait FixedCharsLengthByteSlice {
[INFO] [stdout]    |           ------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_valid_custom_str_bytes(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FixedLengthCustomString` is never used
[INFO] [stdout]    --> src/four_bytes_str/custom_string.rs:257:11
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub trait FixedLengthCustomString<T: Sized + FixedLengthCustomString<T>> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_full_string`, `full_string_bytes_len`, and `convert_raw_bytes_to_utf8_bytes` are never used
[INFO] [stdout]    --> src/four_bytes_str/custom_string.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 291 | impl CustomString {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 311 |     pub fn is_full_string(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 321 |     pub fn full_string_bytes_len(&self) -> usize {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |     pub fn convert_raw_bytes_to_utf8_bytes(input: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]    --> src/tokenizer/tcc/tcc_rules.rs:240:9
[INFO] [stdout]     |
[INFO] [stdout] 240 |         (look_ahead_1_regex == r"^(\x00เ\x00[ก-ฮ]\x00[ก-ฮ]\x00ี(\x00[่-๋])?\x00ย)\x00[เ-ไก-ฮ]"
[INFO] [stdout]     |         ^
[INFO] [stdout] 241 |             || look_ahead_1_regex == r"^(\x00เ\x00[ก-ฮ]\x00[ก-ฮ]\x00ี(\x00[่-๋])?\x00ย)\x00[ก-ฮเ-ไ]")
[INFO] [stdout]     |                                                                                                  ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 240 ~         look_ahead_1_regex == r"^(\x00เ\x00[ก-ฮ]\x00[ก-ฮ]\x00ี(\x00[่-๋])?\x00ย)\x00[เ-ไก-ฮ]"
[INFO] [stdout] 241 ~             || look_ahead_1_regex == r"^(\x00เ\x00[ก-ฮ]\x00[ก-ฮ]\x00ี(\x00[่-๋])?\x00ย)\x00[ก-ฮเ-ไ]"
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rayon::prelude`
[INFO] [stdout]   --> src/tokenizer/dict_reader.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use rayon::prelude::*;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 39 |             Self::ByteLiteral => {
[INFO] [stdout]    |             ----------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 53 |             UnsupportedCustomRegexParserError::ByteLiteral => todo!(),
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:97:31
[INFO] [stdout]    |
[INFO] [stdout] 97 |             LiteralEnum::Byte(b) => Err(AnyError::new(
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DifferentRanges`, `RepetitionRange`, `AnchorStartLine`, and `AnchorEndLine` are never constructed
[INFO] [stdout]   --> src/four_bytes_str/custom_regex.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | enum UnsupportedCustomRegexParserError {
[INFO] [stdout]    |      --------------------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 26 |     DifferentRanges(char, char),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |     RepetitionRange,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 28 |     AnchorStartLine,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 29 |     AnchorEndLine,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnsupportedCustomRegexParserError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_in_range` is never used
[INFO] [stdout]    --> src/four_bytes_str/custom_regex.rs:303:4
[INFO] [stdout]     |
[INFO] [stdout] 303 | fn is_in_range<T: PartialEq + PartialOrd>(value: T, range: (T, T)) -> bool {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_valid_custom_str_bytes` is never used
[INFO] [stdout]   --> src/four_bytes_str/custom_string.rs:91:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub trait FixedCharsLengthByteSlice {
[INFO] [stdout]    |           ------------------------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 91 |     fn is_valid_custom_str_bytes(&self) -> bool;
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FixedLengthCustomString` is never used
[INFO] [stdout]    --> src/four_bytes_str/custom_string.rs:257:11
[INFO] [stdout]     |
[INFO] [stdout] 257 | pub trait FixedLengthCustomString<T: Sized + FixedLengthCustomString<T>> {
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `is_full_string` and `convert_raw_bytes_to_utf8_bytes` are never used
[INFO] [stdout]    --> src/four_bytes_str/custom_string.rs:311:12
[INFO] [stdout]     |
[INFO] [stdout] 291 | impl CustomString {
[INFO] [stdout]     | ----------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 311 |     pub fn is_full_string(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 401 |     pub fn convert_raw_bytes_to_utf8_bytes(input: &[u8]) -> Vec<u8> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "533c62f7bf55bcab1f061042deeb40c7606e861425a773f2da468c5da49ebb29", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "533c62f7bf55bcab1f061042deeb40c7606e861425a773f2da468c5da49ebb29", kill_on_drop: false }`
[INFO] [stdout] 533c62f7bf55bcab1f061042deeb40c7606e861425a773f2da468c5da49ebb29
