[INFO] cloning repository https://github.com/CiaranWelsh/MusicLibrary
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/CiaranWelsh/MusicLibrary" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCiaranWelsh%2FMusicLibrary", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCiaranWelsh%2FMusicLibrary'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a2853ea19bd70f971db952faf78dd492ac3d42f2
[INFO] testing CiaranWelsh/MusicLibrary against master#f9988fefd3add01f414f52b414308e7872622fee for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FCiaranWelsh%2FMusicLibrary" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/CiaranWelsh/MusicLibrary
[INFO] finished tweaking git repo https://github.com/CiaranWelsh/MusicLibrary
[INFO] tweaked toml for git repo https://github.com/CiaranWelsh/MusicLibrary written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/CiaranWelsh/MusicLibrary on toolchain f9988fefd3add01f414f52b414308e7872622fee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+f9988fefd3add01f414f52b414308e7872622fee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/CiaranWelsh/MusicLibrary 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" "+f9988fefd3add01f414f52b414308e7872622fee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stderr]    Compiling MusicLibrary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]    --> src/exercise.rs:129:29
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/exercise.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())].clone();
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stdout]    --> src/exercise.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     if rng.gen_bool(0.5) {
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MusicLibrary` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `music_library`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/EarTrainingCli.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/EarTrainingCli.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/bin/EarTrainingCli.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `EarTrainingCli` should have a snake case name
[INFO] [stdout]  --> src/bin/example1.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod EarTrainingCli;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ear_training_cli`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/EarTrainingGui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/bin/EarTrainingGui.rs:306:38
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())];
[INFO] [stdout]     |                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stdout]    --> src/bin/EarTrainingGui.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 if rng.gen_bool(0.5) {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semitones`
[INFO] [stdout]    --> src/bin/EarTrainingGui.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let semitones = match actual_direction {
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_semitones`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 45s
[INFO] running `Command { std: "docker" "inspect" "f4574e9e7d06d4a5fe4d1b47b63f131d4b93d99985dd4ddc313b60cf9374bfde", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4574e9e7d06d4a5fe4d1b47b63f131d4b93d99985dd4ddc313b60cf9374bfde", kill_on_drop: false }`
[INFO] [stdout] f4574e9e7d06d4a5fe4d1b47b63f131d4b93d99985dd4ddc313b60cf9374bfde
[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=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" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 17a28d2c471e8326f6e987b0ba549607e7436e4be3c84dc95f4c674277a0da74
[INFO] running `Command { std: "docker" "start" "-a" "17a28d2c471e8326f6e987b0ba549607e7436e4be3c84dc95f4c674277a0da74", kill_on_drop: false }`
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]    --> src/exercise.rs:129:29
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/exercise.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())].clone();
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stdout]    --> src/exercise.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     if rng.gen_bool(0.5) {
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: crate `MusicLibrary` should have a snake case name
[INFO] [stdout]   |
[INFO] [stdout]   = help: convert the identifier to snake case: `music_library`
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling MusicLibrary v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/EarTrainingCli.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]  --> src/bin/EarTrainingCli.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Write};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/bin/EarTrainingGui.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `main` is never used
[INFO] [stdout]  --> src/bin/EarTrainingCli.rs:7:4
[INFO] [stdout]   |
[INFO] [stdout] 7 | fn main() {
[INFO] [stdout]   |    ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `EarTrainingCli` should have a snake case name
[INFO] [stdout]  --> src/bin/example1.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | mod EarTrainingCli;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ear_training_cli`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stdout]    --> src/exercise.rs:129:29
[INFO] [stdout]     |
[INFO] [stdout] 129 |         let mut rng = rand::thread_rng();
[INFO] [stdout]     |                             ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/exercise.rs:133:42
[INFO] [stdout]     |
[INFO] [stdout] 133 |             let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())].clone();
[INFO] [stdout]     |                                          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stdout]    --> src/exercise.rs:138:28
[INFO] [stdout]     |
[INFO] [stdout] 138 |                     if rng.gen_bool(0.5) {
[INFO] [stdout]     |                            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stdout]    --> src/bin/EarTrainingGui.rs:306:38
[INFO] [stdout]     |
[INFO] [stdout] 306 |         let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())];
[INFO] [stdout]     |                                      ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stdout]    --> src/bin/EarTrainingGui.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |                 if rng.gen_bool(0.5) {
[INFO] [stdout]     |                        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `semitones`
[INFO] [stdout]    --> src/bin/EarTrainingGui.rs:317:13
[INFO] [stdout]     |
[INFO] [stdout] 317 |         let semitones = match actual_direction {
[INFO] [stdout]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_semitones`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "17a28d2c471e8326f6e987b0ba549607e7436e4be3c84dc95f4c674277a0da74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17a28d2c471e8326f6e987b0ba549607e7436e4be3c84dc95f4c674277a0da74", kill_on_drop: false }`
[INFO] [stdout] 17a28d2c471e8326f6e987b0ba549607e7436e4be3c84dc95f4c674277a0da74
[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=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" "+f9988fefd3add01f414f52b414308e7872622fee" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bc8731cb69ca47b8a55d3d578962a42dcd7262be02362f02e45be47fd83fea9a
[INFO] running `Command { std: "docker" "start" "-a" "bc8731cb69ca47b8a55d3d578962a42dcd7262be02362f02e45be47fd83fea9a", kill_on_drop: false }`
[INFO] [stderr] warning: use of deprecated function `rand::thread_rng`: renamed to `rng`
[INFO] [stderr]    --> src/exercise.rs:129:29
[INFO] [stderr]     |
[INFO] [stderr] 129 |         let mut rng = rand::thread_rng();
[INFO] [stderr]     |                             ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/exercise.rs:133:42
[INFO] [stderr]     |
[INFO] [stderr] 133 |             let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())].clone();
[INFO] [stderr]     |                                          ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stderr]    --> src/exercise.rs:138:28
[INFO] [stderr]     |
[INFO] [stderr] 138 |                     if rng.gen_bool(0.5) {
[INFO] [stderr]     |                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MusicLibrary` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = help: convert the identifier to snake case: `music_library`
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `MusicLibrary` (lib) generated 4 warnings
[INFO] [stderr] warning: `MusicLibrary` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]  --> src/bin/EarTrainingCli.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::{self, Write};
[INFO] [stderr]   |                     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `main` is never used
[INFO] [stderr]  --> src/bin/EarTrainingCli.rs:7:4
[INFO] [stderr]   |
[INFO] [stderr] 7 | fn main() {
[INFO] [stderr]   |    ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: module `EarTrainingCli` should have a snake case name
[INFO] [stderr]  --> src/bin/example1.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | mod EarTrainingCli;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^ help: convert the identifier to snake case: `ear_training_cli`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/bin/EarTrainingGui.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_range`: Renamed to `random_range`
[INFO] [stderr]    --> src/bin/EarTrainingGui.rs:306:38
[INFO] [stderr]     |
[INFO] [stderr] 306 |         let interval = INTERVALS[rng.gen_range(0..INTERVALS.len())];
[INFO] [stderr]     |                                      ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated method `rand::Rng::gen_bool`: Renamed to `random_bool`
[INFO] [stderr]    --> src/bin/EarTrainingGui.rs:309:24
[INFO] [stderr]     |
[INFO] [stderr] 309 |                 if rng.gen_bool(0.5) {
[INFO] [stderr]     |                        ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `semitones`
[INFO] [stderr]    --> src/bin/EarTrainingGui.rs:317:13
[INFO] [stderr]     |
[INFO] [stderr] 317 |         let semitones = match actual_direction {
[INFO] [stderr]     |             ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_semitones`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `MusicLibrary` (bin "example1" test) generated 3 warnings (run `cargo fix --bin "example1" -p MusicLibrary --tests` to apply 1 suggestion)
[INFO] [stderr] warning: `MusicLibrary` (bin "EarTrainingGui" test) generated 4 warnings (run `cargo fix --bin "EarTrainingGui" -p MusicLibrary --tests` to apply 2 suggestions)
[INFO] [stderr] warning: `MusicLibrary` (bin "EarTrainingCli" test) generated 1 warning (1 duplicate)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.41s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/MusicLibrary-5835d5a4f4c0f8ae)
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/EarTrainingCli.rs (/opt/rustwide/target/debug/deps/EarTrainingCli-690d9dc47b367dac)
[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] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/EarTrainingGui.rs (/opt/rustwide/target/debug/deps/EarTrainingGui-ea50fb65fd432e1f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/bin/example1.rs (/opt/rustwide/target/debug/deps/example1-d2b0b56af86922ce)
[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] [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 MusicLibrary
[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" "bc8731cb69ca47b8a55d3d578962a42dcd7262be02362f02e45be47fd83fea9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc8731cb69ca47b8a55d3d578962a42dcd7262be02362f02e45be47fd83fea9a", kill_on_drop: false }`
[INFO] [stdout] bc8731cb69ca47b8a55d3d578962a42dcd7262be02362f02e45be47fd83fea9a
