[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 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkoenichiwa%2Fkwl-lexer" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/koenichiwa/kwl-lexer on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded once_cell v1.11.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c6860e4904f78c35c6815b85915578994994a2ffc3ed81a90f3e16b9eb26df54
[INFO] running `Command { std: "docker" "start" "-a" "c6860e4904f78c35c6815b85915578994994a2ffc3ed81a90f3e16b9eb26df54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c6860e4904f78c35c6815b85915578994994a2ffc3ed81a90f3e16b9eb26df54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6860e4904f78c35c6815b85915578994994a2ffc3ed81a90f3e16b9eb26df54", kill_on_drop: false }`
[INFO] [stdout] c6860e4904f78c35c6815b85915578994994a2ffc3ed81a90f3e16b9eb26df54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f000d773d7a0e16b0c48359a933bf2b4aa0158560bd378e1e08f0e807266344
[INFO] running `Command { std: "docker" "start" "-a" "5f000d773d7a0e16b0c48359a933bf2b4aa0158560bd378e1e08f0e807266344", 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 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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[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] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/lib.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(iterator_try_collect)]
[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] [stderr] error: could not compile `kwl-lexer` (lib) due to 1 previous error; 10 warnings emitted
[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] [stderr] warning: build failed, waiting for other jobs to finish...
[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: 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] For more information about this error, try `rustc --explain E0554`.
[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] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `kwl-lexer` (lib test) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5f000d773d7a0e16b0c48359a933bf2b4aa0158560bd378e1e08f0e807266344", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f000d773d7a0e16b0c48359a933bf2b4aa0158560bd378e1e08f0e807266344", kill_on_drop: false }`
[INFO] [stdout] 5f000d773d7a0e16b0c48359a933bf2b4aa0158560bd378e1e08f0e807266344
