[INFO] updating cached repository orlp/softsynth [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/orlp/softsynth [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/orlp/softsynth" "work/ex/beta-1.38-1/sources/1.37.0/gh/orlp/softsynth"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/orlp/softsynth'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/orlp/softsynth" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orlp/softsynth"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orlp/softsynth'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 8ed957f0485dda0e093173a3a386e9d457696e6f [INFO] sha for GitHub repo orlp/softsynth: 8ed957f0485dda0e093173a3a386e9d457696e6f [INFO] validating manifest of orlp/softsynth on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of orlp/softsynth on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing orlp/softsynth [INFO] finished frobbing orlp/softsynth [INFO] frobbed toml for orlp/softsynth written to work/ex/beta-1.38-1/sources/1.37.0/gh/orlp/softsynth/Cargo.toml [INFO] started frobbing orlp/softsynth [INFO] finished frobbing orlp/softsynth [INFO] frobbed toml for orlp/softsynth written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orlp/softsynth/Cargo.toml [INFO] crate orlp/softsynth already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing orlp/softsynth against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orlp/softsynth:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 2e368eae84c099b4861ac9680f07d837ffd2483c964adb7618fb2c0c08d93b42 [INFO] running `"docker" "start" "-a" "2e368eae84c099b4861ac9680f07d837ffd2483c964adb7618fb2c0c08d93b42"` [INFO] [stderr] Compiling memalloc v0.1.0 [INFO] [stderr] Compiling alsa-sys v0.1.1 [INFO] [stderr] Compiling nix v0.9.0 [INFO] [stderr] Compiling cpal v0.8.1 [INFO] [stderr] Compiling alsa v0.2.0 [INFO] [stderr] Compiling midir v0.5.0 [INFO] [stderr] Compiling synth v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/midi.rs:13:53 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn get_input_ports() -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/midi.rs:22:76 [INFO] [stderr] | [INFO] [stderr] 22 | ) -> Result>, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::f64::consts` [INFO] [stderr] --> src/synth.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::f64::consts; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:12:20 [INFO] [stderr] | [INFO] [stderr] 12 | NoteOn(u8, Box), [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:18:16 [INFO] [stderr] | [INFO] [stderr] 18 | synth: Box, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:26:37 [INFO] [stderr] | [INFO] [stderr] 26 | out_synth: mpsc::SyncSender>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:33:41 [INFO] [stderr] | [INFO] [stderr] 33 | out_synth: mpsc::SyncSender>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:22:30 [INFO] [stderr] | [INFO] [stderr] 22 | fn usage() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:35:28 [INFO] [stderr] | [INFO] [stderr] 35 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:170:33 [INFO] [stderr] | [INFO] [stderr] 170 | fn main_synth(freq: f64) -> Box { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn synth::Synth` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `synth` [INFO] [stderr] --> src/main.rs:171:9 [INFO] [stderr] | [INFO] [stderr] 171 | let synth = synth::SimpleSynth::new(move |t: f64| { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_synth` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth_controller.rs:65:25 [INFO] [stderr] | [INFO] [stderr] 65 | for mut chan in self.channels.iter_mut().rev() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth_controller.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | for mut chan in self.channels.iter_mut() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clamp` [INFO] [stderr] --> src/synth.rs:79:1 [INFO] [stderr] | [INFO] [stderr] 79 | fn clamp(x: f64, lo: f64, hi: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `smoothstep` [INFO] [stderr] --> src/main.rs:155:1 [INFO] [stderr] | [INFO] [stderr] 155 | fn smoothstep(e0: f64, e1: f64, x: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sine` [INFO] [stderr] --> src/main.rs:165:1 [INFO] [stderr] | [INFO] [stderr] 165 | fn sine(freq: f64, t: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:121:21 [INFO] [stderr] | [INFO] [stderr] 121 | io_send.send(format!("{:?}", dec)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:21 [INFO] [stderr] | [INFO] [stderr] 140 | io_send.send(format!("Unknown MIDI event {:?}", hex)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 18.66s [INFO] running `"docker" "inspect" "2e368eae84c099b4861ac9680f07d837ffd2483c964adb7618fb2c0c08d93b42"` [INFO] running `"docker" "rm" "-f" "2e368eae84c099b4861ac9680f07d837ffd2483c964adb7618fb2c0c08d93b42"` [INFO] [stdout] 2e368eae84c099b4861ac9680f07d837ffd2483c964adb7618fb2c0c08d93b42 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orlp/softsynth:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen" "--no-run"` [INFO] [stdout] 8e957741bc46af3f8062b8f3dd87fe88a37b910cde0faa8f472e36628bb6fccb [INFO] running `"docker" "start" "-a" "8e957741bc46af3f8062b8f3dd87fe88a37b910cde0faa8f472e36628bb6fccb"` [INFO] [stderr] Compiling synth v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/midi.rs:13:53 [INFO] [stderr] | [INFO] [stderr] 13 | pub fn get_input_ports() -> Result, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/midi.rs:22:76 [INFO] [stderr] | [INFO] [stderr] 22 | ) -> Result>, Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::f64::consts` [INFO] [stderr] --> src/synth.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::f64::consts; [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:12:20 [INFO] [stderr] | [INFO] [stderr] 12 | NoteOn(u8, Box), [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:18:16 [INFO] [stderr] | [INFO] [stderr] 18 | synth: Box, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:26:37 [INFO] [stderr] | [INFO] [stderr] 26 | out_synth: mpsc::SyncSender>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/synth_controller.rs:33:41 [INFO] [stderr] | [INFO] [stderr] 33 | out_synth: mpsc::SyncSender>, [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Synth` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:22:30 [INFO] [stderr] | [INFO] [stderr] 22 | fn usage() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:35:28 [INFO] [stderr] | [INFO] [stderr] 35 | fn run() -> Result<(), Box> { [INFO] [stderr] | ^^^^^ help: use `dyn`: `dyn Error` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/main.rs:170:33 [INFO] [stderr] | [INFO] [stderr] 170 | fn main_synth(freq: f64) -> Box { [INFO] [stderr] | ^^^^^^^^^^^^ help: use `dyn`: `dyn synth::Synth` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `synth` [INFO] [stderr] --> src/main.rs:171:9 [INFO] [stderr] | [INFO] [stderr] 171 | let synth = synth::SimpleSynth::new(move |t: f64| { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_synth` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth_controller.rs:65:25 [INFO] [stderr] | [INFO] [stderr] 65 | for mut chan in self.channels.iter_mut().rev() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_mut)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variable does not need to be mutable [INFO] [stderr] --> src/synth_controller.rs:91:13 [INFO] [stderr] | [INFO] [stderr] 91 | for mut chan in self.channels.iter_mut() { [INFO] [stderr] | ----^^^^ [INFO] [stderr] | | [INFO] [stderr] | help: remove this `mut` [INFO] [stderr] [INFO] [stderr] warning: function is never used: `clamp` [INFO] [stderr] --> src/synth.rs:79:1 [INFO] [stderr] | [INFO] [stderr] 79 | fn clamp(x: f64, lo: f64, hi: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: function is never used: `smoothstep` [INFO] [stderr] --> src/main.rs:155:1 [INFO] [stderr] | [INFO] [stderr] 155 | fn smoothstep(e0: f64, e1: f64, x: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function is never used: `sine` [INFO] [stderr] --> src/main.rs:165:1 [INFO] [stderr] | [INFO] [stderr] 165 | fn sine(freq: f64, t: f64) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:121:21 [INFO] [stderr] | [INFO] [stderr] 121 | io_send.send(format!("{:?}", dec)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:140:21 [INFO] [stderr] | [INFO] [stderr] 140 | io_send.send(format!("Unknown MIDI event {:?}", hex)); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.86s [INFO] running `"docker" "inspect" "8e957741bc46af3f8062b8f3dd87fe88a37b910cde0faa8f472e36628bb6fccb"` [INFO] running `"docker" "rm" "-f" "8e957741bc46af3f8062b8f3dd87fe88a37b910cde0faa8f472e36628bb6fccb"` [INFO] [stdout] 8e957741bc46af3f8062b8f3dd87fe88a37b910cde0faa8f472e36628bb6fccb [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/orlp/softsynth:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "test" "--frozen"` [INFO] [stdout] c767e8a7305e4daedd4285d29da84141df505a19bb714c3fab1c0a396608a95a [INFO] running `"docker" "start" "-a" "c767e8a7305e4daedd4285d29da84141df505a19bb714c3fab1c0a396608a95a"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.06s [INFO] [stderr] Running /opt/crater/target/debug/deps/synth-5c607ff3ad2ab8fe [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" "c767e8a7305e4daedd4285d29da84141df505a19bb714c3fab1c0a396608a95a"` [INFO] running `"docker" "rm" "-f" "c767e8a7305e4daedd4285d29da84141df505a19bb714c3fab1c0a396608a95a"` [INFO] [stdout] c767e8a7305e4daedd4285d29da84141df505a19bb714c3fab1c0a396608a95a