[INFO] cloning repository https://github.com/koenichiwa/kwl-lexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/koenichiwa/kwl-lexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoenichiwa%2Fkwl-lexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoenichiwa%2Fkwl-lexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6dbdf914b1a41bbe0688f1dcd9468ea1274db07f
[INFO] checking koenichiwa/kwl-lexer against try#93086cfebfccb79083c59d0d3b2052944bba643c for pr-146440-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoenichiwa%2Fkwl-lexer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/koenichiwa/kwl-lexer
[INFO] finished tweaking git repo https://github.com/koenichiwa/kwl-lexer
[INFO] tweaked toml for git repo https://github.com/koenichiwa/kwl-lexer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/koenichiwa/kwl-lexer on toolchain 93086cfebfccb79083c59d0d3b2052944bba643c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/koenichiwa/kwl-lexer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a0037e46d44973a5fd47afbc49729364e008a8ab8e9a18d490e9fd4f2e50b009
[INFO] running `Command { std: "docker" "start" "-a" "a0037e46d44973a5fd47afbc49729364e008a8ab8e9a18d490e9fd4f2e50b009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a0037e46d44973a5fd47afbc49729364e008a8ab8e9a18d490e9fd4f2e50b009", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a0037e46d44973a5fd47afbc49729364e008a8ab8e9a18d490e9fd4f2e50b009", kill_on_drop: false }`
[INFO] [stdout] a0037e46d44973a5fd47afbc49729364e008a8ab8e9a18d490e9fd4f2e50b009
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+93086cfebfccb79083c59d0d3b2052944bba643c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6da31fc5070b88ba5655bb6d2fd48aa425d427a5a4620edb3f4ec2234cef7d0
[INFO] running `Command { std: "docker" "start" "-a" "c6da31fc5070b88ba5655bb6d2fd48aa425d427a5a4620edb3f4ec2234cef7d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.39
[INFO] [stderr]    Compiling unicode-ident v1.0.0
[INFO] [stderr]    Compiling syn v1.0.95
[INFO] [stderr]    Compiling memchr v2.5.0
[INFO] [stderr]     Checking minimal-lexical v0.2.1
[INFO] [stderr]     Checking once_cell v1.11.0
[INFO] [stderr]     Checking nom v7.1.1
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling thiserror-impl v1.0.31
[INFO] [stderr]     Checking thiserror v1.0.31
[INFO] [stderr]     Checking kwl-lexer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `multi::many1`
[INFO] [stdout]  --> src/lexer/atom.rs:2:102
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::alt, bytes::complete::tag, character::complete::line_ending, combinator::value, IResult, multi::many1,
[INFO] [stdout]   |                                                                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lexer/atom.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |         value(TokenKind::NewLine, (line_ending)),
[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] 21 -         value(TokenKind::NewLine, (line_ending)),
[INFO] [stdout] 21 +         value(TokenKind::NewLine, line_ending ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/parser/expression.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::ParserError`
[INFO] [stdout]  --> src/parser/expression.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{lexer::token::TokenKind, error::ParserError};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExpressionNode`, `ParseInput`, `binary_operator::BinaryOperator`, and `unary_operator::UnaryOperator`
[INFO] [stdout]  --> src/parser/expression.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | ...e, ParseInput, util::InputUtil, unary_operator::UnaryOperator, binary_operator::BinaryOperator, expression_tree::{ExpressionTree, ExpressionNode, c...
[INFO] [stdout]   |       ^^^^^^^^^^                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OnceCell`
[INFO] [stdout]  --> src/parser/expression_tree.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use once_cell::sync::{OnceCell, Lazy};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser/expression_tree.rs:5:90
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{term::Term, binary_operator::BinaryOperator, unary_operator::{UnaryOperator, self}, util::InputUtil, Node};
[INFO] [stdout]   |                                                                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `multi::many1`
[INFO] [stdout]  --> src/lexer/atom.rs:2:102
[INFO] [stdout]   |
[INFO] [stdout] 2 |     branch::alt, bytes::complete::tag, character::complete::line_ending, combinator::value, IResult, multi::many1,
[INFO] [stdout]   |                                                                                                      ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]   --> src/lexer/atom.rs:21:35
[INFO] [stdout]    |
[INFO] [stdout] 21 |         value(TokenKind::NewLine, (line_ending)),
[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] 21 -         value(TokenKind::NewLine, (line_ending)),
[INFO] [stdout] 21 +         value(TokenKind::NewLine, line_ending ),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::VecDeque`
[INFO] [stdout]  --> src/parser/expression.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::VecDeque;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `error::ParserError`
[INFO] [stdout]  --> src/parser/expression.rs:3:38
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{lexer::token::TokenKind, error::ParserError};
[INFO] [stdout]   |                                      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ExpressionNode`, `ParseInput`, `binary_operator::BinaryOperator`, and `unary_operator::UnaryOperator`
[INFO] [stdout]  --> src/parser/expression.rs:5:31
[INFO] [stdout]   |
[INFO] [stdout] 5 | ...e, ParseInput, util::InputUtil, unary_operator::UnaryOperator, binary_operator::BinaryOperator, expression_tree::{ExpressionTree, ExpressionNode, c...
[INFO] [stdout]   |       ^^^^^^^^^^                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^                                    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `OnceCell`
[INFO] [stdout]  --> src/parser/expression_tree.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use once_cell::sync::{OnceCell, Lazy};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser/expression_tree.rs:5:90
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::{term::Term, binary_operator::BinaryOperator, unary_operator::{UnaryOperator, self}, util::InputUtil, Node};
[INFO] [stdout]   |                                                                                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parser/expression_tree.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Some(token) if UnaryOperator::parse(left_area).is_ok() => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser/expression_tree.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Some(token) if Term::parse(left_area).is_ok() => {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser/expression_tree.rs:139:14
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Some(token) => todo!(),
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]   --> src/parser/expression_tree.rs:86:14
[INFO] [stdout]    |
[INFO] [stdout] 86 |         Some(token) if UnaryOperator::parse(left_area).is_ok() => {
[INFO] [stdout]    |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser/expression_tree.rs:118:14
[INFO] [stdout]     |
[INFO] [stdout] 118 |         Some(token) if Term::parse(left_area).is_ok() => {
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `token`
[INFO] [stdout]    --> src/parser/expression_tree.rs:139:14
[INFO] [stdout]     |
[INFO] [stdout] 139 |         Some(token) => todo!(),
[INFO] [stdout]     |              ^^^^^ help: if this is intentional, prefix it with an underscore: `_token`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `PipeLine` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PipeLine<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokenkind` is never read
[INFO] [stdout]   --> src/error.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct KWLError {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 28 |     tokenkind: (),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/lexer/token.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Token<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `associativity` is never read
[INFO] [stdout]   --> src/parser/expression_tree.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct OperatorInfo {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 22 |     pub associativity: Associativity,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Prefix` is never constructed
[INFO] [stdout]   --> src/parser/expression_tree.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum OperatorType {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 27 |     Infix,
[INFO] [stdout] 28 |     Prefix,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RightToLeft` is never constructed
[INFO] [stdout]   --> src/parser/expression_tree.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Associativity {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] 32 |     LeftToRight,
[INFO] [stdout] 33 |     RightToLeft,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_last_index_where` is never used
[INFO] [stdout]   --> src/parser/util.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait InputUtil
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn find_last_index_where<F>(self, f: F) -> Option<usize>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn parse(input: &[TokenKind]) -> ParseResult<Self>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn parse(input: &[TokenKind]) -> ParseResult<'_, Self>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/binary_operator.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<Self> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<'_, Self> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/unary_operator.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<Self> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<'_, Self> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kwl-lexer` (lib) due to 1 previous error; 19 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: struct `PipeLine` is never constructed
[INFO] [stdout]   --> src/lib.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct PipeLine<'a> {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]    = note: `#[deny(unused_unconstructable_pub_structs)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokenkind` is never read
[INFO] [stdout]   --> src/error.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | pub struct KWLError {
[INFO] [stdout]    |            -------- field in this struct
[INFO] [stdout] 28 |     tokenkind: (),
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Token` is never constructed
[INFO] [stdout]   --> src/lexer/token.rs:40:8
[INFO] [stdout]    |
[INFO] [stdout] 40 | struct Token<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `associativity` is never read
[INFO] [stdout]   --> src/parser/expression_tree.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | struct OperatorInfo {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 22 |     pub associativity: Associativity,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Prefix` is never constructed
[INFO] [stdout]   --> src/parser/expression_tree.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | enum OperatorType {
[INFO] [stdout]    |      ------------ variant in this enum
[INFO] [stdout] 27 |     Infix,
[INFO] [stdout] 28 |     Prefix,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RightToLeft` is never constructed
[INFO] [stdout]   --> src/parser/expression_tree.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 31 | enum Associativity {
[INFO] [stdout]    |      ------------- variant in this enum
[INFO] [stdout] 32 |     LeftToRight,
[INFO] [stdout] 33 |     RightToLeft,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `find_last_index_where` is never used
[INFO] [stdout]   --> src/parser/util.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait InputUtil
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 20 |     fn find_last_index_where<F>(self, f: F) -> Option<usize>
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser.rs:32:21
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn parse(input: &[TokenKind]) -> ParseResult<Self>;
[INFO] [stdout]    |                     ^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 32 |     fn parse(input: &[TokenKind]) -> ParseResult<'_, Self>;
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/binary_operator.rs:13:21
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<Self> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<'_, Self> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/parser/unary_operator.rs:11:21
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<Self> {
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn parse(input: &[crate::lexer::token::TokenKind]) -> super::ParseResult<'_, Self> {
[INFO] [stdout]    |                                                                              +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kwl-lexer` (lib test) due to 1 previous error; 19 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "c6da31fc5070b88ba5655bb6d2fd48aa425d427a5a4620edb3f4ec2234cef7d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6da31fc5070b88ba5655bb6d2fd48aa425d427a5a4620edb3f4ec2234cef7d0", kill_on_drop: false }`
[INFO] [stdout] c6da31fc5070b88ba5655bb6d2fd48aa425d427a5a4620edb3f4ec2234cef7d0
