[INFO] cloning repository https://github.com/mbillingr/rodio-playground
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mbillingr/rodio-playground" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Frodio-playground", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Frodio-playground'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3d80b0b83556ec185828969934c106f3cc0a6af9
[INFO] testing mbillingr/rodio-playground against 1.45.2 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmbillingr%2Frodio-playground" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mbillingr/rodio-playground on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/mbillingr/rodio-playground
[INFO] finished tweaking git repo https://github.com/mbillingr/rodio-playground
[INFO] tweaked toml for git repo https://github.com/mbillingr/rodio-playground written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/mbillingr/rodio-playground already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5caaebea77ebaf9f98c83644f8dc139c3bf48db522d97466b0a364c817e72ee1
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5caaebea77ebaf9f98c83644f8dc139c3bf48db522d97466b0a364c817e72ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5caaebea77ebaf9f98c83644f8dc139c3bf48db522d97466b0a364c817e72ee1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5caaebea77ebaf9f98c83644f8dc139c3bf48db522d97466b0a364c817e72ee1", kill_on_drop: false }`
[INFO] [stdout] 5caaebea77ebaf9f98c83644f8dc139c3bf48db522d97466b0a364c817e72ee1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9cc8f47137acdf842a14d178540e158c33e90d4f57d434fc5ef91a7ae980b404
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "9cc8f47137acdf842a14d178540e158c33e90d4f57d434fc5ef91a7ae980b404", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling cc v1.0.17
[INFO] [stderr]    Compiling pkg-config v0.3.11
[INFO] [stderr]    Compiling approx v0.1.1
[INFO] [stderr]    Compiling hound v3.4.0
[INFO] [stderr]    Compiling claxon v0.3.1
[INFO] [stderr]    Compiling slice-deque v0.1.9
[INFO] [stderr]    Compiling ogg v0.4.1
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling rand v0.5.3
[INFO] [stderr]    Compiling lewton v0.5.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling minimp3-sys v0.3.0
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling cgmath v0.14.1
[INFO] [stderr]    Compiling minimp3 v0.3.0
[INFO] [stderr]    Compiling rodio v0.8.0
[INFO] [stderr]    Compiling rodio-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// TODO: This sound is never played because the mixer stops before it starts
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 82 |     controller.add(SineWave::new(880).take_duration(Duration::new(1, 0)));
[INFO] [stdout]    |     --------------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::sleep_ms;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     sleep_ms(100);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     sleep_ms(500);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     sleep_ms(500);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     sleep_ms(1500);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         sleep_ms(10);
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/main.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     sleep_ms(500);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_sound`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn play_sound() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_sound2`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn play_sound2() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_multisink`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn play_multisink() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_mixer`
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn play_mixer() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.53s
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "9cc8f47137acdf842a14d178540e158c33e90d4f57d434fc5ef91a7ae980b404", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9cc8f47137acdf842a14d178540e158c33e90d4f57d434fc5ef91a7ae980b404", kill_on_drop: false }`
[INFO] [stdout] 9cc8f47137acdf842a14d178540e158c33e90d4f57d434fc5ef91a7ae980b404
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 362f147b1df44565cd73dd742b93b4aae3a09604f5e5d1dec2623b34a3e34bfb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "362f147b1df44565cd73dd742b93b4aae3a09604f5e5d1dec2623b34a3e34bfb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rodio-playground v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:81:5
[INFO] [stdout]    |
[INFO] [stdout] 81 |     /// TODO: This sound is never played because the mixer stops before it starts
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 82 |     controller.add(SineWave::new(880).take_duration(Duration::new(1, 0)));
[INFO] [stdout]    |     --------------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::thread::sleep_ms;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     sleep_ms(100);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 62 |     sleep_ms(500);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:78:5
[INFO] [stdout]    |
[INFO] [stdout] 78 |     sleep_ms(500);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]   --> src/main.rs:80:5
[INFO] [stdout]    |
[INFO] [stdout] 80 |     sleep_ms(1500);
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/main.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         sleep_ms(10);
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stdout]    --> src/main.rs:130:5
[INFO] [stdout]     |
[INFO] [stdout] 130 |     sleep_ms(500);
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_sound`
[INFO] [stdout]   --> src/main.rs:33:4
[INFO] [stdout]    |
[INFO] [stdout] 33 | fn play_sound() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_sound2`
[INFO] [stdout]   --> src/main.rs:43:4
[INFO] [stdout]    |
[INFO] [stdout] 43 | fn play_sound2() {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_multisink`
[INFO] [stdout]   --> src/main.rs:56:4
[INFO] [stdout]    |
[INFO] [stdout] 56 | fn play_multisink() {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `play_mixer`
[INFO] [stdout]   --> src/main.rs:68:4
[INFO] [stdout]    |
[INFO] [stdout] 68 | fn play_mixer() {
[INFO] [stdout]    |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 12 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.82s
[INFO] running `Command { std: "docker" "inspect" "362f147b1df44565cd73dd742b93b4aae3a09604f5e5d1dec2623b34a3e34bfb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "362f147b1df44565cd73dd742b93b4aae3a09604f5e5d1dec2623b34a3e34bfb", kill_on_drop: false }`
[INFO] [stdout] 362f147b1df44565cd73dd742b93b4aae3a09604f5e5d1dec2623b34a3e34bfb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] eba72bcd5ee553e7600166333ae4180e5d62c30ef8c67de64ae35bfacca2e68f
[INFO] running `Command { std: "docker" "start" "-a" "eba72bcd5ee553e7600166333ae4180e5d62c30ef8c67de64ae35bfacca2e68f", kill_on_drop: false }`
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:81:5
[INFO] [stderr]    |
[INFO] [stderr] 81 |     /// TODO: This sound is never played because the mixer stops before it starts
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 82 |     controller.add(SineWave::new(880).take_duration(Duration::new(1, 0)));
[INFO] [stderr]    |     --------------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::thread::sleep_ms;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:49:5
[INFO] [stderr]    |
[INFO] [stderr] 49 |     sleep_ms(100);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     sleep_ms(500);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:78:5
[INFO] [stderr]    |
[INFO] [stderr] 78 |     sleep_ms(500);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:80:5
[INFO] [stderr]    |
[INFO] [stderr] 80 |     sleep_ms(1500);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         sleep_ms(10);
[INFO] [stderr]     |         ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]    --> src/main.rs:130:5
[INFO] [stderr]     |
[INFO] [stderr] 130 |     sleep_ms(500);
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `play_sound`
[INFO] [stderr]   --> src/main.rs:33:4
[INFO] [stderr]    |
[INFO] [stderr] 33 | fn play_sound() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `play_sound2`
[INFO] [stderr]   --> src/main.rs:43:4
[INFO] [stderr]    |
[INFO] [stderr] 43 | fn play_sound2() {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `play_multisink`
[INFO] [stderr]   --> src/main.rs:56:4
[INFO] [stderr]    |
[INFO] [stderr] 56 | fn play_multisink() {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `play_mixer`
[INFO] [stderr]   --> src/main.rs:68:4
[INFO] [stderr]    |
[INFO] [stderr] 68 | fn play_mixer() {
[INFO] [stderr]    |    ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.13s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rodio_playground-3f307ddde51418e5
[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
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "eba72bcd5ee553e7600166333ae4180e5d62c30ef8c67de64ae35bfacca2e68f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eba72bcd5ee553e7600166333ae4180e5d62c30ef8c67de64ae35bfacca2e68f", kill_on_drop: false }`
[INFO] [stdout] eba72bcd5ee553e7600166333ae4180e5d62c30ef8c67de64ae35bfacca2e68f