[INFO] cloning repository https://github.com/vitobasso/rust-synth
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/vitobasso/rust-synth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitobasso%2Frust-synth"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitobasso%2Frust-synth'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] b7561a9515b2c2ef8d47d282fe8cf147c456f797
[INFO] testing vitobasso/rust-synth against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvitobasso%2Frust-synth" "/workspace/builds/worker-2/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/vitobasso/rust-synth on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/vitobasso/rust-synth
[INFO] finished tweaking git repo https://github.com/vitobasso/rust-synth
[INFO] tweaked toml for git repo https://github.com/vitobasso/rust-synth written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/vitobasso/rust-synth already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Updating git repository `https://github.com/RustAudio/rimd.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded gleam v0.6.5
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 014163cea9dcc754ee3df171efba5ca7d0ed85376c22077199b4e7b1e5d6b836
[INFO] running `"docker" "start" "-a" "014163cea9dcc754ee3df171efba5ca7d0ed85376c22077199b4e7b1e5d6b836"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling pkg-config v0.3.14
[INFO] [stderr]    Compiling rand_core v0.3.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling proc-macro2 v0.4.21
[INFO] [stderr]    Compiling downcast-rs v1.0.3
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling encoding_index_tests v0.1.4
[INFO] [stderr]    Compiling nix v0.11.0
[INFO] [stderr]    Compiling remove_dir_all v0.5.1
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling num-derive v0.2.3
[INFO] [stderr]    Compiling piston-float v0.3.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling linked-hash-map v0.5.1
[INFO] [stderr]    Compiling find_folder v0.3.0
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.8
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling encoding-index-simpchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-korean v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-singlebyte v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-tradchinese v1.20141219.5
[INFO] [stderr]    Compiling encoding-index-japanese v1.20141219.5
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling rand_core v0.2.2
[INFO] [stderr]    Compiling stb_truetype v0.2.2
[INFO] [stderr]    Compiling piston-viewport v0.3.0
[INFO] [stderr]    Compiling petgraph v0.4.13
[INFO] [stderr]    Compiling memmap v0.6.2
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling rand v0.5.5
[INFO] [stderr]    Compiling x11-dl v2.18.3
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]    Compiling encoding v0.2.33
[INFO] [stderr]    Compiling syn v0.13.11
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-scanner v0.20.12
[INFO] [stderr]    Compiling gl_generator v0.9.0
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling tempfile v3.0.4
[INFO] [stderr]    Compiling syn v0.15.18
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling daggy v0.5.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling num-complex v0.1.43
[INFO] [stderr]    Compiling cpal v0.8.2
[INFO] [stderr]    Compiling wayland-client v0.20.12
[INFO] [stderr]    Compiling wayland-protocols v0.20.12
[INFO] [stderr]    Compiling ordered-float v0.5.2
[INFO] [stderr]    Compiling parking_lot v0.6.4
[INFO] [stderr]    Compiling num-bigint v0.1.44
[INFO] [stderr]    Compiling rusttype v0.5.2
[INFO] [stderr]    Compiling dlib v0.4.1
[INFO] [stderr]    Compiling wayland-sys v0.20.12
[INFO] [stderr]    Compiling glutin v0.17.0
[INFO] [stderr]    Compiling glium v0.22.0
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling wayland-commons v0.20.12
[INFO] [stderr]    Compiling num-rational v0.1.42
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling smithay-client-toolkit v0.2.6
[INFO] [stderr]    Compiling winit v0.16.2
[INFO] [stderr]    Compiling rimd v0.0.2 (https://github.com/RustAudio/rimd.git#6e623dbc)
[INFO] [stderr]    Compiling conrod_derive v0.1.2
[INFO] [stderr]    Compiling pistoncore-input v0.21.0
[INFO] [stderr]    Compiling conrod v0.61.1
[INFO] [stderr]    Compiling rust-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 06s
[INFO] running `"docker" "inspect" "014163cea9dcc754ee3df171efba5ca7d0ed85376c22077199b4e7b1e5d6b836"`
[INFO] running `"docker" "rm" "-f" "014163cea9dcc754ee3df171efba5ca7d0ed85376c22077199b4e7b1e5d6b836"`
[INFO] [stdout] 014163cea9dcc754ee3df171efba5ca7d0ed85376c22077199b4e7b1e5d6b836
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 9c931f581af1130ac840c6da1939d0078b248f1c73ba8764de1a8f173a3fdf4e
[INFO] running `"docker" "start" "-a" "9c931f581af1130ac840c6da1939d0078b248f1c73ba8764de1a8f173a3fdf4e"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling rust-synth v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 7.29s
[INFO] running `"docker" "inspect" "9c931f581af1130ac840c6da1939d0078b248f1c73ba8764de1a8f173a3fdf4e"`
[INFO] running `"docker" "rm" "-f" "9c931f581af1130ac840c6da1939d0078b248f1c73ba8764de1a8f173a3fdf4e"`
[INFO] [stdout] 9c931f581af1130ac840c6da1939d0078b248f1c73ba8764de1a8f173a3fdf4e
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c614a51b5eb6483a478002d214136e3d1798f807c8aa7ef2c26e9c1b4e8f9f1d
[INFO] running `"docker" "start" "-a" "c614a51b5eb6483a478002d214136e3d1798f807c8aa7ef2c26e9c1b4e8f9f1d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/music_theory/pitch.rs:73:9
[INFO] [stderr]    |
[INFO] [stderr] 73 |         (f0 * a.powf(n as f64))
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/oscillator.rs:79:9
[INFO] [stderr]    |
[INFO] [stderr] 79 |         (((clock + phase) * freq) % 1.)
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around block return value
[INFO] [stderr]   --> src/core/synth/envelope.rs:29:13
[INFO] [stderr]    |
[INFO] [stderr] 29 |             (elapsed / self.attack)
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `end`
[INFO] [stderr]    --> src/core/control/song.rs:108:5
[INFO] [stderr]     |
[INFO] [stderr] 108 |     end: Instant,
[INFO] [stderr]     |     ^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.18s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_synth-9cabb27463af84aa
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test core::control::pulse::tests::read_in_time ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::pitch_class_to_scale_degree ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::transpose_class_to ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::transpose_to ... ok
[INFO] [stdout] test core::music_theory::pitch::tests::should_convert_index_to_pitch ... ok
[INFO] [stdout] test core::synth::envelope::tests::attack ... ok
[INFO] [stdout] test core::synth::modulated::tests::up_and_down ... ok
[INFO] [stdout] test util::range_map::tests::beginning ... ok
[INFO] [stdout] test core::synth::envelope::tests::decay ... ok
[INFO] [stdout] test util::range_map::tests::end ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::scale_degree_to_pitch ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::scale_degree_to_pitch_class ... ok
[INFO] [stdout] test core::synth::modulated::tests::negative_min ... ok
[INFO] [stdout] test core::synth::modulated::tests::out_of_bounds ... ok
[INFO] [stdout] test core::synth::envelope::tests::release ... ok
[INFO] [stdout] test core::control::pulse::tests::read_too_early ... ok
[INFO] [stdout] test core::synth::envelope::tests::release_before_decay ... ok
[INFO] [stdout] test core::synth::envelope::tests::sustain ... ok
[INFO] [stdout] test core::control::pulse::tests::read_too_late ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::circle_of_fifths ... ok
[INFO] [stdout] test util::range_map::tests::middle ... ok
[INFO] [stdout] test util::range_map::tests::out_of_bounds ... ok
[INFO] [stdout] test util::range_map::tests::overlapping ... ok
[INFO] [stdout] test util::range_map::tests::whole ... ok
[INFO] [stdout] test util::range_map::tests::wrapping ... ok
[INFO] [stdout] test util::range_map::tests::extrapolating ... ok
[INFO] [stdout] test core::synth::modulated::tests::base_at_half ... ok
[INFO] [stdout] test core::music_theory::pitch::tests::should_convert_pitch_to_freq ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/rust_synth-d80eb680d1ad419d
[INFO] [stdout] 
[INFO] [stdout] running 28 tests
[INFO] [stdout] test core::control::pulse::tests::read_too_late ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::circle_of_fifths ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::pitch_class_to_scale_degree ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::scale_degree_to_pitch_class ... ok
[INFO] [stdout] test core::music_theory::pitch::tests::should_convert_index_to_pitch ... ok
[INFO] [stdout] test core::music_theory::pitch::tests::should_convert_pitch_to_freq ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::scale_degree_to_pitch ... ok
[INFO] [stdout] test core::synth::envelope::tests::attack ... ok
[INFO] [stdout] test core::control::pulse::tests::read_in_time ... ok
[INFO] [stdout] test core::synth::envelope::tests::sustain ... ok
[INFO] [stdout] test core::synth::envelope::tests::release_before_decay ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::transpose_class_to ... ok
[INFO] [stdout] test core::synth::modulated::tests::out_of_bounds ... ok
[INFO] [stdout] test core::music_theory::diatonic_scale::tests::transpose_to ... ok
[INFO] [stdout] test core::synth::modulated::tests::negative_min ... ok
[INFO] [stdout] test core::synth::modulated::tests::up_and_down ... ok
[INFO] [stdout] test util::range_map::tests::end ... ok
[INFO] [stdout] test util::range_map::tests::beginning ... ok
[INFO] [stdout] test util::range_map::tests::out_of_bounds ... ok
[INFO] [stdout] test util::range_map::tests::middle ... ok
[INFO] [stdout] test util::range_map::tests::extrapolating ... ok
[INFO] [stdout] test util::range_map::tests::whole ... ok
[INFO] [stdout] test util::range_map::tests::wrapping ... ok
[INFO] [stdout] test core::control::pulse::tests::read_too_early ... ok
[INFO] [stdout] test core::synth::envelope::tests::release ... ok
[INFO] [stdout] test core::synth::modulated::tests::base_at_half ... ok
[INFO] [stdout] test util::range_map::tests::overlapping ... ok
[INFO] [stdout] test core::synth::envelope::tests::decay ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 28 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rust-synth
[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 `"docker" "inspect" "c614a51b5eb6483a478002d214136e3d1798f807c8aa7ef2c26e9c1b4e8f9f1d"`
[INFO] running `"docker" "rm" "-f" "c614a51b5eb6483a478002d214136e3d1798f807c8aa7ef2c26e9c1b4e8f9f1d"`
[INFO] [stdout] c614a51b5eb6483a478002d214136e3d1798f807c8aa7ef2c26e9c1b4e8f9f1d