Nov 17 10:08:54.939 INFO testing afandian/folktunefinder-abc against try#2e026d6e5d7621634147ad4c8074f1d964dbb1be for pr-55982
Nov 17 10:08:54.939 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 10:08:55.423 INFO [stdout] a7cef2010f40767d3c129b7ce439b7204a95bf684548f3914101ff18851b2ac6
Nov 17 10:08:55.427 INFO running `"docker" "start" "-a" "a7cef2010f40767d3c129b7ce439b7204a95bf684548f3914101ff18851b2ac6"`
Nov 17 10:08:56.919 INFO [stderr] usermod: no changes
Nov 17 10:08:57.099 INFO [stderr]    Compiling rand v0.5.5
Nov 17 10:08:57.099 INFO [stderr]    Compiling num v0.1.41
Nov 17 10:08:57.100 INFO [stderr]    Compiling uuid v0.1.18
Nov 17 10:08:57.647 INFO [stderr]    Compiling chrono v0.2.25
Nov 17 10:08:59.120 INFO [stderr]    Compiling url v0.2.38
Nov 17 10:09:04.563 INFO [stderr]    Compiling tiny_http v0.5.9
Nov 17 10:09:10.811 INFO [stderr]    Compiling folktunefinder-abc v0.1.0 (/source)
Nov 17 10:09:12.095 INFO [stderr] warning: unused import: `representations`
Nov 17 10:09:12.095 INFO [stderr]  --> src/end_to_end_test.rs:1:5
Nov 17 10:09:12.095 INFO [stderr]   |
Nov 17 10:09:12.095 INFO [stderr] 1 | use representations;
Nov 17 10:09:12.095 INFO [stderr]   |     ^^^^^^^^^^^^^^^
Nov 17 10:09:12.095 INFO [stderr]   |
Nov 17 10:09:12.095 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Nov 17 10:09:12.095 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unnecessary parentheses around `if` condition
Nov 17 10:09:12.107 INFO [stderr]   --> src/pitch.rs:52:12
Nov 17 10:09:12.107 INFO [stderr]    |
Nov 17 10:09:12.107 INFO [stderr] 52 |         if (first) {
Nov 17 10:09:12.107 INFO [stderr]    |            ^^^^^^^ help: remove these parentheses
Nov 17 10:09:12.107 INFO [stderr]    |
Nov 17 10:09:12.107 INFO [stderr]    = note: #[warn(unused_parens)] on by default
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unused import: `std::env`
Nov 17 10:09:12.107 INFO [stderr]   --> src/relations.rs:16:5
Nov 17 10:09:12.107 INFO [stderr]    |
Nov 17 10:09:12.107 INFO [stderr] 16 | use std::env;
Nov 17 10:09:12.107 INFO [stderr]    |     ^^^^^^^^
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 17 10:09:12.107 INFO [stderr]    --> src/relations.rs:358:72
Nov 17 10:09:12.107 INFO [stderr]     |
Nov 17 10:09:12.107 INFO [stderr] 358 |         self.docs_terms[tune_id * self.word_capacity + word_offset] |= (1 << bit_offset);
Nov 17 10:09:12.107 INFO [stderr]     |                                                                        ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unnecessary parentheses around assigned value
Nov 17 10:09:12.107 INFO [stderr]    --> src/relations.rs:375:39
Nov 17 10:09:12.107 INFO [stderr]     |
Nov 17 10:09:12.107 INFO [stderr] 375 |                 words[word_offset] |= (1 << bit_offset);
Nov 17 10:09:12.107 INFO [stderr]     |                                       ^^^^^^^^^^^^^^^^^ help: remove these parentheses
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unused import: `abc_lexer`
Nov 17 10:09:12.107 INFO [stderr]  --> src/server.rs:1:5
Nov 17 10:09:12.107 INFO [stderr]   |
Nov 17 10:09:12.107 INFO [stderr] 1 | use abc_lexer;
Nov 17 10:09:12.107 INFO [stderr]   |     ^^^^^^^^^
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unused import: `tune_ast_three`
Nov 17 10:09:12.107 INFO [stderr]  --> src/server.rs:6:5
Nov 17 10:09:12.107 INFO [stderr]   |
Nov 17 10:09:12.107 INFO [stderr] 6 | use tune_ast_three;
Nov 17 10:09:12.107 INFO [stderr]   |     ^^^^^^^^^^^^^^
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.107 INFO [stderr] warning: unused import: `typeset`
Nov 17 10:09:12.107 INFO [stderr]  --> src/server.rs:7:5
Nov 17 10:09:12.107 INFO [stderr]   |
Nov 17 10:09:12.107 INFO [stderr] 7 | use typeset;
Nov 17 10:09:12.107 INFO [stderr]   |     ^^^^^^^
Nov 17 10:09:12.107 INFO [stderr] 
Nov 17 10:09:12.983 INFO [stderr] warning: unused variable: `visible`
Nov 17 10:09:12.983 INFO [stderr]    --> src/abc_lexer.rs:788:15
Nov 17 10:09:12.983 INFO [stderr]     |
Nov 17 10:09:12.983 INFO [stderr] 788 |     let (ctx, visible) = match ctx.first() {
Nov 17 10:09:12.983 INFO [stderr]     |               ^^^^^^^ help: consider using `_visible` instead
Nov 17 10:09:12.983 INFO [stderr]     |
Nov 17 10:09:12.983 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Nov 17 10:09:12.983 INFO [stderr] 
Nov 17 10:09:12.985 INFO [stderr] warning: variable `key_signature` is assigned to, but never used
Nov 17 10:09:12.985 INFO [stderr]   --> src/pitch.rs:11:13
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr] 11 |     let mut key_signature = l::T::KeySignature(
Nov 17 10:09:12.985 INFO [stderr]    |             ^^^^^^^^^^^^^
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr]    = note: consider using `_key_signature` instead
Nov 17 10:09:12.985 INFO [stderr] 
Nov 17 10:09:12.985 INFO [stderr] warning: value assigned to `key_signature` is never read
Nov 17 10:09:12.985 INFO [stderr]   --> src/pitch.rs:22:17
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr] 22 |                 key_signature = l::T::KeySignature(*pitch_class, *mode)
Nov 17 10:09:12.985 INFO [stderr]    |                 ^^^^^^^^^^^^^
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr]    = note: #[warn(unused_assignments)] on by default
Nov 17 10:09:12.985 INFO [stderr] 
Nov 17 10:09:12.985 INFO [stderr] warning: unused variable: `duration`
Nov 17 10:09:12.985 INFO [stderr]   --> src/pitch.rs:33:44
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr] 33 |                     let music::Note(pitch, duration) = note;
Nov 17 10:09:12.985 INFO [stderr]    |                                            ^^^^^^^^ help: consider using `_duration` instead
Nov 17 10:09:12.985 INFO [stderr] 
Nov 17 10:09:12.985 INFO [stderr] warning: unused variable: `max`
Nov 17 10:09:12.985 INFO [stderr]   --> src/pitch.rs:74:9
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr] 74 |     let max = HISTOGRAM_WIDTH as i16;
Nov 17 10:09:12.985 INFO [stderr]    |         ^^^ help: consider using `_max` instead
Nov 17 10:09:12.985 INFO [stderr] 
Nov 17 10:09:12.985 INFO [stderr] warning: unused variable: `min`
Nov 17 10:09:12.985 INFO [stderr]   --> src/pitch.rs:75:9
Nov 17 10:09:12.985 INFO [stderr]    |
Nov 17 10:09:12.985 INFO [stderr] 75 |     let min = HISTOGRAM_WIDTH as i16 * -1;
Nov 17 10:09:12.985 INFO [stderr]    |         ^^^ help: consider using `_min` instead
Nov 17 10:09:12.985 INFO [stderr] 
Nov 17 10:09:12.985 INFO [stderr] warning: unused variable: `i`
Nov 17 10:09:12.990 INFO [stderr]   --> src/tune_ast_three.rs:29:13
Nov 17 10:09:12.990 INFO [stderr]    |
Nov 17 10:09:12.990 INFO [stderr] 29 |     let mut i = 0;
Nov 17 10:09:12.990 INFO [stderr]    |             ^ help: consider using `_i` instead
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: variable `key_signature` is assigned to, but never used
Nov 17 10:09:12.990 INFO [stderr]    --> src/typeset.rs:565:13
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr] 565 |     let mut key_signature = l::T::KeySignature(
Nov 17 10:09:12.990 INFO [stderr]     |             ^^^^^^^^^^^^^
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr]     = note: consider using `_key_signature` instead
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: variable `metre` is assigned to, but never used
Nov 17 10:09:12.990 INFO [stderr]    --> src/typeset.rs:572:13
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr] 572 |     let mut metre = music::Metre(4, 4);
Nov 17 10:09:12.990 INFO [stderr]     |             ^^^^^
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr]     = note: consider using `_metre` instead
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: value assigned to `key_signature` is never read
Nov 17 10:09:12.990 INFO [stderr]    --> src/typeset.rs:580:17
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr] 580 |                 key_signature = l::T::KeySignature(*pitch_class, *mode)
Nov 17 10:09:12.990 INFO [stderr]     |                 ^^^^^^^^^^^^^
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: value assigned to `metre` is never read
Nov 17 10:09:12.990 INFO [stderr]    --> src/typeset.rs:582:39
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr] 582 |             l::T::Metre(new_metre) => metre = *new_metre,
Nov 17 10:09:12.990 INFO [stderr]     |                                       ^^^^^
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: unused variable: `groups`
Nov 17 10:09:12.990 INFO [stderr]    --> src/main.rs:129:9
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr] 129 |     let groups = if let Some(path) = clusters_path() {
Nov 17 10:09:12.990 INFO [stderr]     |         ^^^^^^ help: consider using `_groups` instead
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: unused variable: `features`
Nov 17 10:09:12.990 INFO [stderr]    --> src/main.rs:147:9
Nov 17 10:09:12.990 INFO [stderr]     |
Nov 17 10:09:12.990 INFO [stderr] 147 |     let features = representations::asts_to_features_s(&asts);
Nov 17 10:09:12.990 INFO [stderr]     |         ^^^^^^^^ help: consider using `_features` instead
Nov 17 10:09:12.990 INFO [stderr] 
Nov 17 10:09:12.990 INFO [stderr] warning: unused variable: `score`
Nov 17 10:09:12.990 INFO [stderr]    --> src/main.rs:216:29
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 216 |                     for (b, score) in results {
Nov 17 10:09:12.991 INFO [stderr]     |                             ^^^^^ help: consider using `_score` instead
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:12.991 INFO [stderr] warning: unused variable: `a_id`
Nov 17 10:09:12.991 INFO [stderr]    --> src/relations.rs:557:26
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 557 |         result.sort_by(|(a_id, a_score), (b_id, b_score)| {
Nov 17 10:09:12.991 INFO [stderr]     |                          ^^^^ help: consider using `_a_id` instead
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:12.991 INFO [stderr] warning: unused variable: `b_id`
Nov 17 10:09:12.991 INFO [stderr]    --> src/relations.rs:557:43
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 557 |         result.sort_by(|(a_id, a_score), (b_id, b_score)| {
Nov 17 10:09:12.991 INFO [stderr]     |                                           ^^^^ help: consider using `_b_id` instead
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:12.991 INFO [stderr] warning: unused variable: `shape`
Nov 17 10:09:12.991 INFO [stderr]    --> src/typeset.rs:162:53
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 162 |                         Some(music::DurationGlyph { shape, dots }) => HEAD_WIDTH * dots as f32,
Nov 17 10:09:12.991 INFO [stderr]     |                                                     ^^^^^ help: try ignoring the field: `shape: _`
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:12.991 INFO [stderr] warning: unused variable: `shape`
Nov 17 10:09:12.991 INFO [stderr]    --> src/typeset.rs:188:49
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 188 |                     Some(music::DurationGlyph { shape, dots }) => {
Nov 17 10:09:12.991 INFO [stderr]     |                                                 ^^^^^ help: try ignoring the field: `shape: _`
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:12.991 INFO [stderr] warning: unused variable: `dots`
Nov 17 10:09:12.991 INFO [stderr]    --> src/typeset.rs:188:56
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 188 |                     Some(music::DurationGlyph { shape, dots }) => {
Nov 17 10:09:12.991 INFO [stderr]     |                                                        ^^^^ help: try ignoring the field: `dots: _`
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:12.991 INFO [stderr] warning: unused variable: `justifiable_scale`
Nov 17 10:09:12.991 INFO [stderr]    --> src/typeset.rs:464:13
Nov 17 10:09:12.991 INFO [stderr]     |
Nov 17 10:09:12.991 INFO [stderr] 464 |         let justifiable_scale =
Nov 17 10:09:12.991 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^ help: consider using `_justifiable_scale` instead
Nov 17 10:09:12.991 INFO [stderr] 
Nov 17 10:09:13.019 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:09:13.019 INFO [stderr]    --> src/main.rs:197:9
Nov 17 10:09:13.019 INFO [stderr]     |
Nov 17 10:09:13.020 INFO [stderr] 197 |     let mut interval_term_vsm = representations::intervals_to_binary_vsm(&intervals);
Nov 17 10:09:13.020 INFO [stderr]     |         ----^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.020 INFO [stderr]     |         |
Nov 17 10:09:13.020 INFO [stderr]     |         help: remove this `mut`
Nov 17 10:09:13.021 INFO [stderr]     |
Nov 17 10:09:13.021 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Nov 17 10:09:13.021 INFO [stderr] 
Nov 17 10:09:13.297 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:09:13.297 INFO [stderr]    --> src/relations.rs:353:13
Nov 17 10:09:13.297 INFO [stderr]     |
Nov 17 10:09:13.297 INFO [stderr] 353 |         let mut term_id = self.get_term_id(term.clone().to_owned());
Nov 17 10:09:13.297 INFO [stderr]     |             ----^^^^^^^
Nov 17 10:09:13.297 INFO [stderr]     |             |
Nov 17 10:09:13.297 INFO [stderr]     |             help: remove this `mut`
Nov 17 10:09:13.297 INFO [stderr] 
Nov 17 10:09:13.305 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:09:13.306 INFO [stderr]    --> src/relations.rs:428:13
Nov 17 10:09:13.306 INFO [stderr]     |
Nov 17 10:09:13.306 INFO [stderr] 428 |         let mut results = ResultSet::new();
Nov 17 10:09:13.306 INFO [stderr]     |             ----^^^^^^^
Nov 17 10:09:13.306 INFO [stderr]     |             |
Nov 17 10:09:13.306 INFO [stderr]     |             help: remove this `mut`
Nov 17 10:09:13.306 INFO [stderr] 
Nov 17 10:09:13.375 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:09:13.375 INFO [stderr]   --> src/tune_ast_three.rs:29:9
Nov 17 10:09:13.375 INFO [stderr]    |
Nov 17 10:09:13.375 INFO [stderr] 29 |     let mut i = 0;
Nov 17 10:09:13.375 INFO [stderr]    |         ----^
Nov 17 10:09:13.375 INFO [stderr]    |         |
Nov 17 10:09:13.375 INFO [stderr]    |         help: remove this `mut`
Nov 17 10:09:13.375 INFO [stderr] 
Nov 17 10:09:13.419 INFO [stderr] warning: variable does not need to be mutable
Nov 17 10:09:13.419 INFO [stderr]    --> src/typeset.rs:575:9
Nov 17 10:09:13.419 INFO [stderr]     |
Nov 17 10:09:13.419 INFO [stderr] 575 |     let mut current_clef = music::Clef::treble();
Nov 17 10:09:13.419 INFO [stderr]     |         ----^^^^^^^^^^^^
Nov 17 10:09:13.419 INFO [stderr]     |         |
Nov 17 10:09:13.419 INFO [stderr]     |         help: remove this `mut`
Nov 17 10:09:13.419 INFO [stderr] 
Nov 17 10:09:13.425 INFO [stderr] warning: method is never used: `rest`
Nov 17 10:09:13.425 INFO [stderr]    --> src/abc_lexer.rs:198:5
Nov 17 10:09:13.425 INFO [stderr]     |
Nov 17 10:09:13.425 INFO [stderr] 198 |     fn rest(&self) -> &'a [char] {
Nov 17 10:09:13.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.425 INFO [stderr]     |
Nov 17 10:09:13.425 INFO [stderr]     = note: #[warn(dead_code)] on by default
Nov 17 10:09:13.425 INFO [stderr] 
Nov 17 10:09:13.425 INFO [stderr] warning: variant is never constructed: `DefaultNoteLenth`
Nov 17 10:09:13.425 INFO [stderr]    --> src/abc_lexer.rs:836:5
Nov 17 10:09:13.425 INFO [stderr]     |
Nov 17 10:09:13.425 INFO [stderr] 836 |     DefaultNoteLenth,
Nov 17 10:09:13.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 17 10:09:13.425 INFO [stderr] 
Nov 17 10:09:13.425 INFO [stderr] warning: variant is never constructed: `NoteDurationDenomenator`
Nov 17 10:09:13.425 INFO [stderr]    --> src/abc_lexer.rs:846:5
Nov 17 10:09:13.425 INFO [stderr]     |
Nov 17 10:09:13.425 INFO [stderr] 846 |     NoteDurationDenomenator,
Nov 17 10:09:13.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.425 INFO [stderr] 
Nov 17 10:09:13.425 INFO [stderr] warning: variant is never constructed: `UnrecognisedRest`
Nov 17 10:09:13.425 INFO [stderr]    --> src/abc_lexer.rs:896:5
Nov 17 10:09:13.425 INFO [stderr]     |
Nov 17 10:09:13.425 INFO [stderr] 896 |     UnrecognisedRest,
Nov 17 10:09:13.425 INFO [stderr]     |     ^^^^^^^^^^^^^^^^
Nov 17 10:09:13.425 INFO [stderr] 
Nov 17 10:09:13.426 INFO [stderr] warning: method is never used: `ts`
Nov 17 10:09:13.426 INFO [stderr]     --> src/abc_lexer.rs:1134:5
Nov 17 10:09:13.426 INFO [stderr]      |
Nov 17 10:09:13.426 INFO [stderr] 1134 |     fn ts(ctx: Context<'a>, ts: Vec<T>) -> LexResult<'a> {
Nov 17 10:09:13.426 INFO [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.426 INFO [stderr] 
Nov 17 10:09:13.426 INFO [stderr] warning: function is never used: `string_to_vec`
Nov 17 10:09:13.426 INFO [stderr]  --> src/end_to_end_test.rs:3:1
Nov 17 10:09:13.426 INFO [stderr]   |
Nov 17 10:09:13.426 INFO [stderr] 3 | fn string_to_vec(input: String) -> Vec<char> {
Nov 17 10:09:13.426 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.426 INFO [stderr] 
Nov 17 10:09:13.426 INFO [stderr] warning: variant is never constructed: `Natural`
Nov 17 10:09:13.426 INFO [stderr]   --> src/music.rs:87:5
Nov 17 10:09:13.426 INFO [stderr]    |
Nov 17 10:09:13.426 INFO [stderr] 87 |     Natural,
Nov 17 10:09:13.427 INFO [stderr]    |     ^^^^^^^
Nov 17 10:09:13.427 INFO [stderr] 
Nov 17 10:09:13.427 INFO [stderr] warning: method is never used: `scale_intervals`
Nov 17 10:09:13.427 INFO [stderr]    --> src/music.rs:117:5
Nov 17 10:09:13.427 INFO [stderr]     |
Nov 17 10:09:13.427 INFO [stderr] 117 |     pub fn scale_intervals(&self) -> &[u16] {
Nov 17 10:09:13.427 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.427 INFO [stderr] 
Nov 17 10:09:13.427 INFO [stderr] warning: method is never used: `pitch`
Nov 17 10:09:13.427 INFO [stderr]    --> src/music.rs:140:5
Nov 17 10:09:13.430 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 140 |     pub fn pitch(&self) -> PitchClass {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: constant item is never used: `HISTOGRAM_SIZE`
Nov 17 10:09:13.431 INFO [stderr]   --> src/pitch.rs:66:1
Nov 17 10:09:13.431 INFO [stderr]    |
Nov 17 10:09:13.431 INFO [stderr] 66 | const HISTOGRAM_SIZE: usize = 12;
Nov 17 10:09:13.431 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: constant item is never used: `HISTOGRAM_WIDTH`
Nov 17 10:09:13.431 INFO [stderr]   --> src/pitch.rs:69:1
Nov 17 10:09:13.431 INFO [stderr]    |
Nov 17 10:09:13.431 INFO [stderr] 69 | pub const HISTOGRAM_WIDTH: usize = HISTOGRAM_SIZE + HISTOGRAM_SIZE + 2;
Nov 17 10:09:13.431 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: function is never used: `build_interval_histogram`
Nov 17 10:09:13.431 INFO [stderr]   --> src/pitch.rs:71:1
Nov 17 10:09:13.431 INFO [stderr]    |
Nov 17 10:09:13.431 INFO [stderr] 71 | pub fn build_interval_histogram(pitches: &Vec<i16>) -> [f32; HISTOGRAM_WIDTH] {
Nov 17 10:09:13.431 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: function is never used: `sim_interval_histogram`
Nov 17 10:09:13.431 INFO [stderr]   --> src/pitch.rs:96:1
Nov 17 10:09:13.431 INFO [stderr]    |
Nov 17 10:09:13.431 INFO [stderr] 96 | pub fn sim_interval_histogram(a: &[f32; HISTOGRAM_WIDTH], b: &[f32; HISTOGRAM_WIDTH]) -> f32 {
Nov 17 10:09:13.431 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: method is never used: `get`
Nov 17 10:09:13.431 INFO [stderr]    --> src/relations.rs:173:5
Nov 17 10:09:13.431 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 173 |     pub fn get(&self, a: usize) -> Option<usize> {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: method is never used: `num_groups`
Nov 17 10:09:13.431 INFO [stderr]    --> src/relations.rs:201:5
Nov 17 10:09:13.431 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 201 |     pub fn num_groups(&self) -> usize {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: method is never used: `get_groups`
Nov 17 10:09:13.431 INFO [stderr]    --> src/relations.rs:237:5
Nov 17 10:09:13.431 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 237 |     pub fn get_groups(&self) -> Vec<Vec<usize>> {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: method is never used: `next_ungrouped_after`
Nov 17 10:09:13.431 INFO [stderr]    --> src/relations.rs:248:5
Nov 17 10:09:13.431 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 248 |     pub fn next_ungrouped_after(&self, a: u32) -> Option<usize> {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: method is never used: `print_debug_tunes`
Nov 17 10:09:13.431 INFO [stderr]    --> src/relations.rs:439:5
Nov 17 10:09:13.431 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 439 |     pub fn print_debug_tunes(&self) {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: method is never used: `debug_print_features`
Nov 17 10:09:13.431 INFO [stderr]    --> src/relations.rs:518:5
Nov 17 10:09:13.431 INFO [stderr]     |
Nov 17 10:09:13.431 INFO [stderr] 518 |     pub fn debug_print_features(&self) {
Nov 17 10:09:13.431 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.431 INFO [stderr] 
Nov 17 10:09:13.431 INFO [stderr] warning: function is never used: `intervals_to_interval_histogram`
Nov 17 10:09:13.431 INFO [stderr]   --> src/representations.rs:93:1
Nov 17 10:09:13.431 INFO [stderr]    |
Nov 17 10:09:13.431 INFO [stderr] 93 | pub fn intervals_to_interval_histogram(inputs: &Vec<i16>) -> [f32; pitch::HISTOGRAM_WIDTH] {
Nov 17 10:09:13.432 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.432 INFO [stderr] 
Nov 17 10:09:13.432 INFO [stderr] warning: function is never used: `intervals_to_interval_histogram_s`
Nov 17 10:09:13.432 INFO [stderr]    --> src/representations.rs:97:1
Nov 17 10:09:13.432 INFO [stderr]     |
Nov 17 10:09:13.432 INFO [stderr] 97  | / pub fn intervals_to_interval_histogram_s(
Nov 17 10:09:13.432 INFO [stderr] 98  | |     inputs: &HashMap<u32, Vec<i16>>,
Nov 17 10:09:13.432 INFO [stderr] 99  | | ) -> HashMap<u32, [f32; pitch::HISTOGRAM_WIDTH]> {
Nov 17 10:09:13.432 INFO [stderr] 100 | |     let mut result = HashMap::with_capacity(inputs.len());
Nov 17 10:09:13.432 INFO [stderr] ...   |
Nov 17 10:09:13.432 INFO [stderr] 106 | |     result
Nov 17 10:09:13.432 INFO [stderr] 107 | | }
Nov 17 10:09:13.432 INFO [stderr]     | |_^
Nov 17 10:09:13.432 INFO [stderr] 
Nov 17 10:09:13.432 INFO [stderr] warning: method is never used: `point_debug`
Nov 17 10:09:13.432 INFO [stderr]    --> src/svg.rs:139:5
Nov 17 10:09:13.432 INFO [stderr]     |
Nov 17 10:09:13.432 INFO [stderr] 139 |     pub fn point_debug(&mut self, x: f32, y: f32, w: f32, h: f32) {
Nov 17 10:09:13.432 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.432 INFO [stderr] 
Nov 17 10:09:13.432 INFO [stderr] warning: struct is never constructed: `Typesetting`
Nov 17 10:09:13.432 INFO [stderr]   --> src/typeset.rs:34:1
Nov 17 10:09:13.432 INFO [stderr]    |
Nov 17 10:09:13.432 INFO [stderr] 34 | pub struct Typesetting {}
Nov 17 10:09:13.432 INFO [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.432 INFO [stderr] 
Nov 17 10:09:13.433 INFO [stderr] warning: method is never used: `new`
Nov 17 10:09:13.433 INFO [stderr]   --> src/typeset.rs:37:5
Nov 17 10:09:13.434 INFO [stderr]    |
Nov 17 10:09:13.434 INFO [stderr] 37 |     pub fn new() -> Typesetting {
Nov 17 10:09:13.435 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.435 INFO [stderr] 
Nov 17 10:09:13.446 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:09:13.447 INFO [stderr]   --> src/representations.rs:46:13
Nov 17 10:09:13.447 INFO [stderr]    |
Nov 17 10:09:13.447 INFO [stderr] 46 |             tx_clone.send(partition_result);
Nov 17 10:09:13.447 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.447 INFO [stderr]    |
Nov 17 10:09:13.451 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Nov 17 10:09:13.451 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:09:13.451 INFO [stderr] 
Nov 17 10:09:13.455 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:09:13.455 INFO [stderr]   --> src/storage.rs:88:13
Nov 17 10:09:13.455 INFO [stderr]    |
Nov 17 10:09:13.455 INFO [stderr] 88 |             reader.read_exact(&mut string_buf);
Nov 17 10:09:13.455 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.455 INFO [stderr]    |
Nov 17 10:09:13.455 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:09:13.455 INFO [stderr] 
Nov 17 10:09:13.455 INFO [stderr] warning: unused `std::result::Result` that must be used
Nov 17 10:09:13.455 INFO [stderr]    --> src/main.rs:233:13
Nov 17 10:09:13.455 INFO [stderr]     |
Nov 17 10:09:13.455 INFO [stderr] 233 |             tx_clone.send(groups);
Nov 17 10:09:13.455 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^
Nov 17 10:09:13.455 INFO [stderr]     |
Nov 17 10:09:13.455 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Nov 17 10:09:13.455 INFO [stderr] 
Nov 17 10:09:19.891 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 22.93s
Nov 17 10:09:19.895 INFO [stderr] su: No module specific data is present
Nov 17 10:09:20.953 INFO running `"docker" "inspect" "a7cef2010f40767d3c129b7ce439b7204a95bf684548f3914101ff18851b2ac6"`
Nov 17 10:09:21.287 INFO running `"docker" "rm" "-f" "a7cef2010f40767d3c129b7ce439b7204a95bf684548f3914101ff18851b2ac6"`
Nov 17 10:09:21.538 INFO [stdout] a7cef2010f40767d3c129b7ce439b7204a95bf684548f3914101ff18851b2ac6
Nov 17 10:09:21.544 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55982/worker-1/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-55982/try#2e026d6e5d7621634147ad4c8074f1d964dbb1be:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +2e026d6e5d7621634147ad4c8074f1d964dbb1be-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Nov 17 10:09:22.072 INFO [stdout] aa1ae72b4dac9b771b8a16c31f98d06b9832773800eea1e28191a743fcd8cdae
Nov 17 10:09:22.076 INFO running `"docker" "start" "-a" "aa1ae72b4dac9b771b8a16c31f98d06b9832773800eea1e28191a743fcd8cdae"`
Nov 17 10:09:23.578 INFO [stderr] usermod: no changes
Nov 17 10:09:23.707 INFO [stderr]    Compiling folktunefinder-abc v0.1.0 (/source)
Nov 17 10:09:24.743 INFO [stderr] error: #[test] attribute is only allowed on fn items
Nov 17 10:09:24.744 INFO [stderr]    --> src/abc_lexer.rs:146:5
Nov 17 10:09:24.744 INFO [stderr]     |
Nov 17 10:09:24.744 INFO [stderr] 146 | /     fn take(&self, n: usize) -> Option<(Context<'a>, &'a [char])> {
Nov 17 10:09:24.744 INFO [stderr] 147 | |         if !self.has(n) {
Nov 17 10:09:24.744 INFO [stderr] 148 | |             None
Nov 17 10:09:24.744 INFO [stderr] 149 | |         } else {
Nov 17 10:09:24.744 INFO [stderr] 150 | |             Some((self.skip(n), &self.c[self.i..self.i + n]))
Nov 17 10:09:24.744 INFO [stderr] 151 | |         }
Nov 17 10:09:24.744 INFO [stderr] 152 | |     }
Nov 17 10:09:24.744 INFO [stderr]     | |_____^
Nov 17 10:09:24.744 INFO [stderr] 
Nov 17 10:09:24.744 INFO [stderr] error: aborting due to previous error
Nov 17 10:09:24.744 INFO [stderr] 
Nov 17 10:09:24.753 INFO [stderr] error: Could not compile `folktunefinder-abc`.
Nov 17 10:09:24.753 INFO [stderr] 
Nov 17 10:09:24.753 INFO [stderr] To learn more, run the command again with --verbose.
Nov 17 10:09:24.753 INFO [stderr] su: No module specific data is present
Nov 17 10:09:25.371 INFO running `"docker" "inspect" "aa1ae72b4dac9b771b8a16c31f98d06b9832773800eea1e28191a743fcd8cdae"`
Nov 17 10:09:25.604 INFO running `"docker" "rm" "-f" "aa1ae72b4dac9b771b8a16c31f98d06b9832773800eea1e28191a743fcd8cdae"`
Nov 17 10:09:25.966 INFO [stdout] aa1ae72b4dac9b771b8a16c31f98d06b9832773800eea1e28191a743fcd8cdae