[INFO] fetching crate chomatter_syntaxer 0.0.1...
[INFO] checking chomatter_syntaxer-0.0.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate chomatter_syntaxer 0.0.1 into /workspace/builds/worker-7-tc1/source
[INFO] validating manifest of crates.io crate chomatter_syntaxer 0.0.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chomatter_syntaxer 0.0.1
[INFO] finished tweaking crates.io crate chomatter_syntaxer 0.0.1
[INFO] tweaked toml for crates.io crate chomatter_syntaxer 0.0.1 written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded chomatter_commons v0.0.1
[INFO] [stderr]   Downloaded chomatter_lexer v0.0.1
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2b3e02529c1b37eabe17681515d47bdc2b43ddec48014b08181fae431e98ad6f
[INFO] running `Command { std: "docker" "start" "-a" "2b3e02529c1b37eabe17681515d47bdc2b43ddec48014b08181fae431e98ad6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2b3e02529c1b37eabe17681515d47bdc2b43ddec48014b08181fae431e98ad6f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2b3e02529c1b37eabe17681515d47bdc2b43ddec48014b08181fae431e98ad6f", kill_on_drop: false }`
[INFO] [stdout] 2b3e02529c1b37eabe17681515d47bdc2b43ddec48014b08181fae431e98ad6f
[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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 003c55148d893262f0e6c3469c3b5a2630fc426fee04df50e38444c0d6b150b0
[INFO] running `Command { std: "docker" "start" "-a" "003c55148d893262f0e6c3469c3b5a2630fc426fee04df50e38444c0d6b150b0", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking chomatter_commons v0.0.1
[INFO] [stderr]     Checking chomatter_lexer v0.0.1
[INFO] [stderr]     Checking chomatter_syntaxer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Segment`
[INFO] [stdout]  --> src/lib.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 |     EGenericToken, GenericToken, Segment,
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Segment`
[INFO] [stdout]  --> src/lib.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 |     EGenericToken, GenericToken, Segment,
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout]     |                        ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout] 178 +                     if walker.current().kind == EGenericToken::LeftParen {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout]     |                        ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout] 178 +                     if walker.current().kind == EGenericToken::LeftParen {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:363:82
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/lib.rs:363:88
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:363:82
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/lib.rs:363:88
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:502:21
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let mut value = Walker::cook(&raw);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:502:21
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let mut value = Walker::cook(&raw);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:21
[INFO] [stdout]     |
[INFO] [stdout] 739 |                 let mut case_statements = self.parse(data, scope_level + 1);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:763:21
[INFO] [stdout]     |
[INFO] [stdout] 763 |                 let mut tbody = self.current();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                 let mut body: Statement;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:984:21
[INFO] [stdout]     |
[INFO] [stdout] 984 |                 let mut args = resolve_arguments(self, data);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:21
[INFO] [stdout]     |
[INFO] [stdout] 739 |                 let mut case_statements = self.parse(data, scope_level + 1);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:763:21
[INFO] [stdout]     |
[INFO] [stdout] 763 |                 let mut tbody = self.current();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                 let mut body: Statement;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:984:21
[INFO] [stdout]     |
[INFO] [stdout] 984 |                 let mut args = resolve_arguments(self, data);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_empty_token` is never used
[INFO] [stdout]   --> src/lib.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_empty_token(token: &GenericToken) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_empty_token` is never used
[INFO] [stdout]   --> src/lib.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_empty_token(token: &GenericToken) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.93s
[INFO] running `Command { std: "docker" "inspect" "003c55148d893262f0e6c3469c3b5a2630fc426fee04df50e38444c0d6b150b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "003c55148d893262f0e6c3469c3b5a2630fc426fee04df50e38444c0d6b150b0", kill_on_drop: false }`
[INFO] [stdout] 003c55148d893262f0e6c3469c3b5a2630fc426fee04df50e38444c0d6b150b0
[INFO] checking chomatter_syntaxer-0.0.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate chomatter_syntaxer 0.0.1 into /workspace/builds/worker-7-tc2/source
[INFO] validating manifest of crates.io crate chomatter_syntaxer 0.0.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate chomatter_syntaxer 0.0.1
[INFO] finished tweaking crates.io crate chomatter_syntaxer 0.0.1
[INFO] tweaked toml for crates.io crate chomatter_syntaxer 0.0.1 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 4a4862a30d9d8afc24b535e7c9714d3273803823a766e43c7f87b3f3a74cc06a
[INFO] running `Command { std: "docker" "start" "-a" "4a4862a30d9d8afc24b535e7c9714d3273803823a766e43c7f87b3f3a74cc06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "4a4862a30d9d8afc24b535e7c9714d3273803823a766e43c7f87b3f3a74cc06a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4a4862a30d9d8afc24b535e7c9714d3273803823a766e43c7f87b3f3a74cc06a", kill_on_drop: false }`
[INFO] [stdout] 4a4862a30d9d8afc24b535e7c9714d3273803823a766e43c7f87b3f3a74cc06a
[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 -Dunexpected_cfgs" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 5dc86bf1ffb8d95cd051d98ae787a19beb15e9319876ae126f7e91c94f9a71ab
[INFO] running `Command { std: "docker" "start" "-a" "5dc86bf1ffb8d95cd051d98ae787a19beb15e9319876ae126f7e91c94f9a71ab", kill_on_drop: false }`
[INFO] [stderr]     Checking json v0.12.4
[INFO] [stderr]    Compiling syn v2.0.48
[INFO] [stderr]    Compiling serde_derive v1.0.196
[INFO] [stderr]     Checking serde v1.0.196
[INFO] [stderr]     Checking serde_json v1.0.113
[INFO] [stderr]     Checking chomatter_commons v0.0.1
[INFO] [stderr]     Checking chomatter_lexer v0.0.1
[INFO] [stderr]     Checking chomatter_syntaxer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Segment`
[INFO] [stdout]  --> src/lib.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 |     EGenericToken, GenericToken, Segment,
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Segment`
[INFO] [stdout]  --> src/lib.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 |     EGenericToken, GenericToken, Segment,
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout]     |                        ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout] 178 +                     if walker.current().kind == EGenericToken::LeftParen {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around `if` condition
[INFO] [stdout]    --> src/lib.rs:178:24
[INFO] [stdout]     |
[INFO] [stdout] 178 |                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout]     |                        ^                                                 ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 178 -                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stdout] 178 +                     if walker.current().kind == EGenericToken::LeftParen {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:363:82
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/lib.rs:363:88
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/lib.rs:363:82
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `w`
[INFO] [stdout]    --> src/lib.rs:363:88
[INFO] [stdout]     |
[INFO] [stdout] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stdout]     |                                                                                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:502:21
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let mut value = Walker::cook(&raw);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:502:21
[INFO] [stdout]     |
[INFO] [stdout] 502 |                 let mut value = Walker::cook(&raw);
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:21
[INFO] [stdout]     |
[INFO] [stdout] 739 |                 let mut case_statements = self.parse(data, scope_level + 1);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:763:21
[INFO] [stdout]     |
[INFO] [stdout] 763 |                 let mut tbody = self.current();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                 let mut body: Statement;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:984:21
[INFO] [stdout]     |
[INFO] [stdout] 984 |                 let mut args = resolve_arguments(self, data);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:739:21
[INFO] [stdout]     |
[INFO] [stdout] 739 |                 let mut case_statements = self.parse(data, scope_level + 1);
[INFO] [stdout]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:763:21
[INFO] [stdout]     |
[INFO] [stdout] 763 |                 let mut tbody = self.current();
[INFO] [stdout]     |                     ----^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:764:21
[INFO] [stdout]     |
[INFO] [stdout] 764 |                 let mut body: Statement;
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/lib.rs:984:21
[INFO] [stdout]     |
[INFO] [stdout] 984 |                 let mut args = resolve_arguments(self, data);
[INFO] [stdout]     |                     ----^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_empty_token` is never used
[INFO] [stdout]   --> src/lib.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_empty_token(token: &GenericToken) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_empty_token` is never used
[INFO] [stdout]   --> src/lib.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn is_empty_token(token: &GenericToken) -> bool {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 6.89s
[INFO] running `Command { std: "docker" "inspect" "5dc86bf1ffb8d95cd051d98ae787a19beb15e9319876ae126f7e91c94f9a71ab", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dc86bf1ffb8d95cd051d98ae787a19beb15e9319876ae126f7e91c94f9a71ab", kill_on_drop: false }`
[INFO] [stdout] 5dc86bf1ffb8d95cd051d98ae787a19beb15e9319876ae126f7e91c94f9a71ab
