[INFO] fetching crate chomatter_syntaxer 0.0.1...
[INFO] testing chomatter_syntaxer-0.0.1 against 1.69.0 for beta-1.70-1
[INFO] extracting crate chomatter_syntaxer 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] validating manifest of crates.io crate chomatter_syntaxer 0.0.1 on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-6-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" __CARGO_TEST_CHANNEL_OVERRIDE_DO_NOT_USE_THIS="nightly" "/workspace/cargo-home/bin/cargo" "+1.69.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "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-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ffd1d08006e1e19ce69b8f4557dba1bc9334bc53cfd2a27d2aaaba0295974298
[INFO] running `Command { std: "docker" "start" "-a" "ffd1d08006e1e19ce69b8f4557dba1bc9334bc53cfd2a27d2aaaba0295974298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ffd1d08006e1e19ce69b8f4557dba1bc9334bc53cfd2a27d2aaaba0295974298", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ffd1d08006e1e19ce69b8f4557dba1bc9334bc53cfd2a27d2aaaba0295974298", kill_on_drop: false }`
[INFO] [stdout] ffd1d08006e1e19ce69b8f4557dba1bc9334bc53cfd2a27d2aaaba0295974298
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc3966b1c6c6c2683c1cbaac6b0e58dfcadb16bd7c44eb455b030970951daf12
[INFO] running `Command { std: "docker" "start" "-a" "dc3966b1c6c6c2683c1cbaac6b0e58dfcadb16bd7c44eb455b030970951daf12", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_derive v1.0.160
[INFO] [stderr]    Compiling serde v1.0.160
[INFO] [stderr]    Compiling serde_json v1.0.96
[INFO] [stderr]    Compiling itoa v1.0.6
[INFO] [stderr]    Compiling ryu v1.0.13
[INFO] [stderr]    Compiling json v0.12.4
[INFO] [stderr]    Compiling syn v2.0.15
[INFO] [stderr]    Compiling chomatter_commons v0.0.1
[INFO] [stderr]    Compiling chomatter_lexer v0.0.1
[INFO] [stderr]    Compiling 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: 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: 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: 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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 10.16s
[INFO] running `Command { std: "docker" "inspect" "dc3966b1c6c6c2683c1cbaac6b0e58dfcadb16bd7c44eb455b030970951daf12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc3966b1c6c6c2683c1cbaac6b0e58dfcadb16bd7c44eb455b030970951daf12", kill_on_drop: false }`
[INFO] [stdout] dc3966b1c6c6c2683c1cbaac6b0e58dfcadb16bd7c44eb455b030970951daf12
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 97c6f0c6fbe370ee37fab4062931d268bc3a33353d6675fb79a410b7ef5988c8
[INFO] running `Command { std: "docker" "start" "-a" "97c6f0c6fbe370ee37fab4062931d268bc3a33353d6675fb79a410b7ef5988c8", kill_on_drop: false }`
[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: 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: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] [stderr]    Compiling chomatter_syntaxer v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: 10 warnings emitted
[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: 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: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: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.26s
[INFO] running `Command { std: "docker" "inspect" "97c6f0c6fbe370ee37fab4062931d268bc3a33353d6675fb79a410b7ef5988c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "97c6f0c6fbe370ee37fab4062931d268bc3a33353d6675fb79a410b7ef5988c8", kill_on_drop: false }`
[INFO] [stdout] 97c6f0c6fbe370ee37fab4062931d268bc3a33353d6675fb79a410b7ef5988c8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 416b15bb5da151c38a2b1c264532cd80e0a8ada80793ff43268490781b0ce028
[INFO] running `Command { std: "docker" "start" "-a" "416b15bb5da151c38a2b1c264532cd80e0a8ada80793ff43268490781b0ce028", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `Segment`
[INFO] [stderr]  --> src/lib.rs:4:34
[INFO] [stderr]   |
[INFO] [stderr] 4 |     EGenericToken, GenericToken, Segment,
[INFO] [stderr]   |                                  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> src/lib.rs:178:24
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stderr]     |                        ^                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 -                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stderr] 178 +                     if walker.current().kind == EGenericToken::LeftParen {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `y`
[INFO] [stderr]    --> src/lib.rs:363:82
[INFO] [stderr]     |
[INFO] [stderr] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stderr]     |                                                                                  ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `w`
[INFO] [stderr]    --> src/lib.rs:363:88
[INFO] [stderr]     |
[INFO] [stderr] 363 |             tester.forward_custom(chomatter_commons::walker::EMover::WhileBy(|x, y, z, w| {
[INFO] [stderr]     |                                                                                        ^ help: if this is intentional, prefix it with an underscore: `_w`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:502:21
[INFO] [stderr]     |
[INFO] [stderr] 502 |                 let mut value = Walker::cook(&raw);
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:739:21
[INFO] [stderr]     |
[INFO] [stderr] 739 |                 let mut case_statements = self.parse(data, scope_level + 1);
[INFO] [stderr]     |                     ----^^^^^^^^^^^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:763:21
[INFO] [stderr]     |
[INFO] [stderr] 763 |                 let mut tbody = self.current();
[INFO] [stderr]     |                     ----^^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:764:21
[INFO] [stderr]     |
[INFO] [stderr] 764 |                 let mut body: Statement;
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/lib.rs:984:21
[INFO] [stderr]     |
[INFO] [stderr] 984 |                 let mut args = resolve_arguments(self, data);
[INFO] [stderr]     |                     ----^^^^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: function `is_empty_token` is never used
[INFO] [stderr]   --> src/lib.rs:25:4
[INFO] [stderr]    |
[INFO] [stderr] 25 | fn is_empty_token(token: &GenericToken) -> bool {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `chomatter_syntaxer` (lib) generated 10 warnings (run `cargo fix --lib -p chomatter_syntaxer` to apply 9 suggestions)
[INFO] [stderr] warning: `chomatter_syntaxer` (lib test) generated 10 warnings (10 duplicates)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chomatter_syntaxer-249667933b98f0cc)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chomatter_syntaxer
[INFO] [stderr] warning: unnecessary parentheses around `if` condition
[INFO] [stderr]    --> /opt/rustwide/workdir/src/lib.rs:178:24
[INFO] [stderr]     |
[INFO] [stderr] 178 |                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stderr]     |                        ^                                                 ^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]     |
[INFO] [stderr] 178 -                     if (walker.current().kind == EGenericToken::LeftParen) {
[INFO] [stderr] 178 +                     if walker.current().kind == EGenericToken::LeftParen {
[INFO] [stderr]     |
[INFO] [stderr] 
[INFO] [stderr] warning: 1 warning emitted
[INFO] [stderr] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "416b15bb5da151c38a2b1c264532cd80e0a8ada80793ff43268490781b0ce028", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "416b15bb5da151c38a2b1c264532cd80e0a8ada80793ff43268490781b0ce028", kill_on_drop: false }`
[INFO] [stdout] 416b15bb5da151c38a2b1c264532cd80e0a8ada80793ff43268490781b0ce028
