[INFO] fetching crate scaleless_music 0.0.8...
[INFO] testing scaleless_music-0.0.8 against beta-2021-08-01 for beta-1.55-1
[INFO] extracting crate scaleless_music 0.0.8 into /workspace/builds/worker-91/source
[INFO] validating manifest of crates.io crate scaleless_music 0.0.8 on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate scaleless_music 0.0.8
[INFO] finished tweaking crates.io crate scaleless_music 0.0.8
[INFO] tweaked toml for crates.io crate scaleless_music 0.0.8 written to /workspace/builds/worker-91/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f1846c800a9fe2287e06efde4dcd0fff6d2e3b7e536f2368b308da2aa4602e0
[INFO] running `Command { std: "docker" "start" "-a" "2f1846c800a9fe2287e06efde4dcd0fff6d2e3b7e536f2368b308da2aa4602e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f1846c800a9fe2287e06efde4dcd0fff6d2e3b7e536f2368b308da2aa4602e0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f1846c800a9fe2287e06efde4dcd0fff6d2e3b7e536f2368b308da2aa4602e0", kill_on_drop: false }`
[INFO] [stdout] 2f1846c800a9fe2287e06efde4dcd0fff6d2e3b7e536f2368b308da2aa4602e0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bed65380943b76f0170940ea71c6915fcb6dfdc58f7852eaf9688bd27f1274e8
[INFO] running `Command { std: "docker" "start" "-a" "bed65380943b76f0170940ea71c6915fcb6dfdc58f7852eaf9688bd27f1274e8", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling scaleless_music v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:27:57
[INFO] [stdout]    |
[INFO] [stdout] 27 |     non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/errors.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude.rs:489:29
[INFO] [stdout]     |
[INFO] [stdout] 489 |     amp_funct_array: Vec<Rc<AmplitudeJoinable>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude.rs:507:41
[INFO] [stdout]     |
[INFO] [stdout] 507 |     pub fn add(&mut self, amplitude: Rc<AmplitudeJoinable>) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude_overtones.rs:308:24
[INFO] [stdout]     |
[INFO] [stdout] 308 |     amplitudes: Vec<Rc<AmplitudeOvertonesJoinable>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/wave.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |     amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/wave.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |                amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:102:50
[INFO] [stdout]     |
[INFO] [stdout] 102 |                          amplitude_overtones: Rc<AmplitudeOvertonesProvider>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 161 |     sound: Rc<SoundStructure>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |                sound: Rc<SoundStructure>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |     sound_fade_out: Rc<SoundStructure>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |     sound_fade_in: Rc<SoundStructure>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:324:35
[INFO] [stdout]     |
[INFO] [stdout] 324 |                sound_fade_out: Rc<SoundStructure>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |                sound_fade_in: Rc<SoundStructure>)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sound/progress.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let timer = try!(Timer::new(sample_rate));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/note.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sound: Rc<SoundStructure>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/sound/mod.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok((1.0 / sample_rate))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:30:42
[INFO] [stdout]     |
[INFO] [stdout] 30  |     unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sound/errors.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sound/amplitude_overtones.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let mut amplitude_overtone = &mut amplitude[overtone];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:29:33
[INFO] [stdout]     |
[INFO] [stdout] 29  |     unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.45s
[INFO] running `Command { std: "docker" "inspect" "bed65380943b76f0170940ea71c6915fcb6dfdc58f7852eaf9688bd27f1274e8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bed65380943b76f0170940ea71c6915fcb6dfdc58f7852eaf9688bd27f1274e8", kill_on_drop: false }`
[INFO] [stdout] bed65380943b76f0170940ea71c6915fcb6dfdc58f7852eaf9688bd27f1274e8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-91/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fcb41702262d41b0975b3e833ddd907d994a734d2c206263b645eb9e8880dbc
[INFO] running `Command { std: "docker" "start" "-a" "3fcb41702262d41b0975b3e833ddd907d994a734d2c206263b645eb9e8880dbc", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling rand_core v0.4.2
[INFO] [stderr]    Compiling siphasher v0.2.3
[INFO] [stderr]    Compiling serde v0.9.15
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling winapi-build v0.1.1
[INFO] [stderr]    Compiling khronos_api v1.0.1
[INFO] [stderr]    Compiling winapi v0.2.8
[INFO] [stderr]    Compiling piston-float v0.2.0
[INFO] [stderr]    Compiling khronos_api v2.2.0
[INFO] [stderr]    Compiling maybe-uninit v2.0.0
[INFO] [stderr]    Compiling byteorder v0.5.3
[INFO] [stderr]    Compiling shader_version v0.2.2
[INFO] [stderr]    Compiling bitflags v0.6.0
[INFO] [stderr]    Compiling crossbeam v0.2.12
[INFO] [stderr]    Compiling piston-texture v0.5.0
[INFO] [stderr]    Compiling read_color v0.1.0
[INFO] [stderr]    Compiling interpolation v0.1.0
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling piston-shaders_graphics2d v0.2.1
[INFO] [stderr]    Compiling xml-rs v0.3.6
[INFO] [stderr]    Compiling x11-dl v2.18.5
[INFO] [stderr]    Compiling miniz-sys v0.1.12
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling xml-rs v0.7.0
[INFO] [stderr]    Compiling tempfile v2.2.0
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:27:57
[INFO] [stdout]    |
[INFO] [stdout] 27 |     non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/errors.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude.rs:489:29
[INFO] [stdout]     |
[INFO] [stdout] 489 |     amp_funct_array: Vec<Rc<AmplitudeJoinable>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude.rs:507:41
[INFO] [stdout]     |
[INFO] [stdout] 507 |     pub fn add(&mut self, amplitude: Rc<AmplitudeJoinable>) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude_overtones.rs:308:24
[INFO] [stdout]     |
[INFO] [stdout] 308 |     amplitudes: Vec<Rc<AmplitudeOvertonesJoinable>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/wave.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |     amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/wave.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |                amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:102:50
[INFO] [stdout]     |
[INFO] [stdout] 102 |                          amplitude_overtones: Rc<AmplitudeOvertonesProvider>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 161 |     sound: Rc<SoundStructure>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |                sound: Rc<SoundStructure>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |     sound_fade_out: Rc<SoundStructure>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |     sound_fade_in: Rc<SoundStructure>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:324:35
[INFO] [stdout]     |
[INFO] [stdout] 324 |                sound_fade_out: Rc<SoundStructure>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |                sound_fade_in: Rc<SoundStructure>)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sound/progress.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let timer = try!(Timer::new(sample_rate));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/note.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sound: Rc<SoundStructure>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/sound/mod.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok((1.0 / sample_rate))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:30:42
[INFO] [stdout]     |
[INFO] [stdout] 30  |     unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sound/errors.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sound/amplitude_overtones.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let mut amplitude_overtone = &mut amplitude[overtone];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:29:33
[INFO] [stdout]     |
[INFO] [stdout] 29  |     unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling draw_state v0.6.0
[INFO] [stderr]    Compiling piston-viewport v0.2.0
[INFO] [stderr]    Compiling vecmath v0.2.0
[INFO] [stderr]    Compiling xml-rs v0.6.1
[INFO] [stderr]    Compiling phf_shared v0.7.24
[INFO] [stderr]    Compiling petgraph v0.2.10
[INFO] [stderr]    Compiling kernel32-sys v0.2.2
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.4
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling pistoncore-input v0.14.0
[INFO] [stderr]    Compiling phf v0.7.24
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_pcg v0.1.2
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling piston2d-graphics v0.19.0
[INFO] [stderr]    Compiling gfx_core v0.4.0
[INFO] [stderr]    Compiling fs2 v0.2.5
[INFO] [stderr]    Compiling wayland-scanner v0.7.8
[INFO] [stderr]    Compiling wayland-scanner v0.5.11
[INFO] [stderr]    Compiling gl_generator v0.6.1
[INFO] [stderr]    Compiling gl_generator v0.5.5
[INFO] [stderr]    Compiling memmap v0.4.0
[INFO] [stderr]    Compiling memmap v0.2.3
[INFO] [stderr]    Compiling daggy v0.4.1
[INFO] [stderr]    Compiling flate2 v0.2.20
[INFO] [stderr]    Compiling pistoncore-window v0.23.0
[INFO] [stderr]    Compiling pistoncore-event_loop v0.26.0
[INFO] [stderr]    Compiling piston v0.26.0
[INFO] [stderr]    Compiling wayland-client v0.7.8
[INFO] [stderr]    Compiling wayland-client v0.5.12
[INFO] [stderr]    Compiling png v0.5.2
[INFO] [stderr]    Compiling gfx v0.12.2
[INFO] [stderr]    Compiling gfx_gl v0.3.1
[INFO] [stderr]    Compiling glutin v0.7.4
[INFO] [stderr]    Compiling glutin v0.6.2
[INFO] [stderr]    Compiling image v0.10.4
[INFO] [stderr]    Compiling serde_json v0.9.10
[INFO] [stderr]    Compiling phf_generator v0.7.24
[INFO] [stderr]    Compiling gl v0.6.5
[INFO] [stderr]    Compiling phf_codegen v0.7.24
[INFO] [stderr]    Compiling target_build_utils v0.3.1
[INFO] [stderr]    Compiling piston-gfx_texture v0.18.0
[INFO] [stderr]    Compiling piston2d-gfx_graphics v0.33.2
[INFO] [stderr]    Compiling gfx_device_gl v0.11.2
[INFO] [stderr]    Compiling libloading v0.3.4
[INFO] [stderr]    Compiling dlib v0.3.1
[INFO] [stderr]    Compiling wayland-sys v0.7.8
[INFO] [stderr]    Compiling wayland-sys v0.5.11
[INFO] [stderr]    Compiling wayland-kbd v0.3.6
[INFO] [stderr]    Compiling wayland-window v0.2.3
[INFO] [stderr]    Compiling wayland-window v0.4.4
[INFO] [stderr]    Compiling wayland-kbd v0.6.3
[INFO] [stderr]    Compiling winit v0.5.11
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.31.0
[INFO] [stderr]    Compiling pistoncore-glutin_window v0.32.0
[INFO] [stderr]    Compiling piston_window v0.57.0
[INFO] [stderr]    Compiling conrod v0.46.2
[INFO] [stderr]    Compiling scaleless_music v0.0.8 (/opt/rustwide/workdir)
[INFO] [stdout] warning: lint `exceeding_bitshifts` has been renamed to `arithmetic_overflow`
[INFO] [stdout]   --> src/lib.rs:24:22
[INFO] [stdout]    |
[INFO] [stdout] 24 | #![forbid(bad_style, exceeding_bitshifts, mutable_transmutes, no_mangle_const_items,
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^ help: use the new name: `arithmetic_overflow`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(renamed_and_removed_lints)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `plugin_as_library` has been removed: plugins have been deprecated and retired
[INFO] [stdout]   --> src/lib.rs:27:57
[INFO] [stdout]    |
[INFO] [stdout] 27 |     non_shorthand_field_patterns, overflowing_literals, plugin_as_library,
[INFO] [stdout]    |                                                         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_fns` has been removed: no longer a warning, `#[no_mangle]` functions always exported
[INFO] [stdout]   --> src/lib.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lint `private_no_mangle_statics` has been removed: no longer a warning, `#[no_mangle]` statics always exported
[INFO] [stdout]   --> src/lib.rs:28:28
[INFO] [stdout]    |
[INFO] [stdout] 28 |     private_no_mangle_fns, private_no_mangle_statics, stable_features, unconditional_recursion,
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/errors.rs:111:32
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn cause(&self) -> Option<&error::Error> {
[INFO] [stdout]     |                                ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude.rs:489:29
[INFO] [stdout]     |
[INFO] [stdout] 489 |     amp_funct_array: Vec<Rc<AmplitudeJoinable>>,
[INFO] [stdout]     |                             ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude.rs:507:41
[INFO] [stdout]     |
[INFO] [stdout] 507 |     pub fn add(&mut self, amplitude: Rc<AmplitudeJoinable>) {
[INFO] [stdout]     |                                         ^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/amplitude_overtones.rs:308:24
[INFO] [stdout]     |
[INFO] [stdout] 308 |     amplitudes: Vec<Rc<AmplitudeOvertonesJoinable>>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesJoinable`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/wave.rs:67:29
[INFO] [stdout]    |
[INFO] [stdout] 67 |     amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stdout]    |                             ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/wave.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |                amplitude_overtones: Rc<AmplitudeOvertonesProvider>,
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:102:50
[INFO] [stdout]     |
[INFO] [stdout] 102 |                          amplitude_overtones: Rc<AmplitudeOvertonesProvider>)
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn AmplitudeOvertonesProvider`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:161:15
[INFO] [stdout]     |
[INFO] [stdout] 161 |     sound: Rc<SoundStructure>,
[INFO] [stdout]     |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:189:26
[INFO] [stdout]     |
[INFO] [stdout] 189 |                sound: Rc<SoundStructure>,
[INFO] [stdout]     |                          ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:309:24
[INFO] [stdout]     |
[INFO] [stdout] 309 |     sound_fade_out: Rc<SoundStructure>,
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:310:23
[INFO] [stdout]     |
[INFO] [stdout] 310 |     sound_fade_in: Rc<SoundStructure>,
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:324:35
[INFO] [stdout]     |
[INFO] [stdout] 324 |                sound_fade_out: Rc<SoundStructure>,
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/sound/wave.rs:325:34
[INFO] [stdout]     |
[INFO] [stdout] 325 |                sound_fade_in: Rc<SoundStructure>)
[INFO] [stdout]     |                                  ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated macro `try`: use the `?` operator instead
[INFO] [stdout]    --> src/sound/progress.rs:176:21
[INFO] [stdout]     |
[INFO] [stdout] 176 |         let timer = try!(Timer::new(sample_rate));
[INFO] [stdout]     |                     ^^^
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:26:9
[INFO] [stdout]     |
[INFO] [stdout] 26  | #![deny(deprecated, improper_ctypes, missing_docs,
[INFO] [stdout]     |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/sound/note.rs:20:15
[INFO] [stdout]    |
[INFO] [stdout] 20 |     sound: Rc<SoundStructure>,
[INFO] [stdout]    |               ^^^^^^^^^^^^^^ help: use `dyn`: `dyn SoundStructure`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see issue #80165 <https://github.com/rust-lang/rust/issues/80165>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around function argument
[INFO] [stdout]    --> src/sound/mod.rs:114:12
[INFO] [stdout]     |
[INFO] [stdout] 114 |         Ok((1.0 / sample_rate))
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:30:42
[INFO] [stdout]     |
[INFO] [stdout] 30  |     unused_comparisons, unused_features, unused_parens, while_true)]
[INFO] [stdout]     |                                          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SoundInterface`
[INFO] [stdout]    --> examples/instrument_overtone.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |     let mut sound = SoundInterface::new(48000, BUFFER_SIZE_DEFAULT, 2, sound_generator)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ use of undeclared type `SoundInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared type `SoundInterface`
[INFO] [stdout]    --> examples/instrument1.rs:129:21
[INFO] [stdout]     |
[INFO] [stdout] 129 |     let mut sound = SoundInterface::new(48000, BUFFER_SIZE_DEFAULT, 2, sound_generator)
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^ use of undeclared type `SoundInterface`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]  --> examples/instrument_overtone.rs:7:1
[INFO] [stdout]   |
[INFO] [stdout] 7 | #[macro_use]
[INFO] [stdout]   | ^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `#[macro_use]` import
[INFO] [stdout]   --> examples/instrument1.rs:11:1
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[macro_use]
[INFO] [stdout]    | ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::error::Error::description`: use the Display impl or to_string()
[INFO] [stdout]   --> src/sound/errors.rs:74:26
[INFO] [stdout]    |
[INFO] [stdout] 74 |         f.write_str(self.description())
[INFO] [stdout]    |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `scaleless_music` due to 2 previous errors; 1 warning emitted
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] error: aborting due to previous error; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/sound/amplitude_overtones.rs:223:13
[INFO] [stdout]     |
[INFO] [stdout] 223 |         let mut amplitude_overtone = &mut amplitude[overtone];
[INFO] [stdout]     |             ----^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:29:33
[INFO] [stdout]     |
[INFO] [stdout] 29  |     unknown_lints, unsafe_code, unused, unused_allocation, unused_attributes,
[INFO] [stdout]     |                                 ^^^^^^
[INFO] [stdout]     = note: `#[warn(unused_mut)]` implied by `#[warn(unused)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 22 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3fcb41702262d41b0975b3e833ddd907d994a734d2c206263b645eb9e8880dbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fcb41702262d41b0975b3e833ddd907d994a734d2c206263b645eb9e8880dbc", kill_on_drop: false }`
[INFO] [stdout] 3fcb41702262d41b0975b3e833ddd907d994a734d2c206263b645eb9e8880dbc
