[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-1.37-6/sources/1.36.0/gh/orlp/softsynth"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/orlp/softsynth'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/orlp/softsynth" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/orlp/softsynth"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/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 1.36.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of orlp/softsynth on toolchain beta-2019-07-23 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "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-1.37-6/sources/1.36.0/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-1.37-6/sources/beta-2019-07-23/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" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing orlp/softsynth against 1.36.0 for beta-1.37-6 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] ec397935d19dcb5f315e45c3db71bff7500de80127838b5e38c7a21ad186f21c [INFO] running `"docker" "start" "-a" "ec397935d19dcb5f315e45c3db71bff7500de80127838b5e38c7a21ad186f21c"` [INFO] [stderr] Compiling pkg-config v0.3.11 [INFO] [stderr] Compiling memalloc v0.1.0 [INFO] [stderr] Compiling alsa-sys v0.1.1 [INFO] [stderr] Compiling alsa v0.2.0 [INFO] [stderr] Compiling cpal v0.8.1 [INFO] [stderr] Compiling midir v0.5.0 [INFO] [stderr] Compiling synth v0.1.0 (/opt/crater/workdir) [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: 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 11.52s [INFO] running `"docker" "inspect" "ec397935d19dcb5f315e45c3db71bff7500de80127838b5e38c7a21ad186f21c"` [INFO] running `"docker" "rm" "-f" "ec397935d19dcb5f315e45c3db71bff7500de80127838b5e38c7a21ad186f21c"` [INFO] [stdout] ec397935d19dcb5f315e45c3db71bff7500de80127838b5e38c7a21ad186f21c [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen" "--no-run"` [INFO] [stdout] 26a5656f68a18a75b832b952a0243bf6bcbfafb8f2b955b0433f1ed2a434e427 [INFO] running `"docker" "start" "-a" "26a5656f68a18a75b832b952a0243bf6bcbfafb8f2b955b0433f1ed2a434e427"` [INFO] [stderr] Compiling synth v0.1.0 (/opt/crater/workdir) [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: 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 0.72s [INFO] running `"docker" "inspect" "26a5656f68a18a75b832b952a0243bf6bcbfafb8f2b955b0433f1ed2a434e427"` [INFO] running `"docker" "rm" "-f" "26a5656f68a18a75b832b952a0243bf6bcbfafb8f2b955b0433f1ed2a434e427"` [INFO] [stdout] 26a5656f68a18a75b832b952a0243bf6bcbfafb8f2b955b0433f1ed2a434e427 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-0/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "test" "--frozen"` [INFO] [stdout] 655044c151ef3fe22c4bb291e000d69dc734be2b27a16dca23dcdf2d99961fef [INFO] running `"docker" "start" "-a" "655044c151ef3fe22c4bb291e000d69dc734be2b27a16dca23dcdf2d99961fef"` [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running /opt/crater/target/debug/deps/synth-1623ea597364d0bb [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" "655044c151ef3fe22c4bb291e000d69dc734be2b27a16dca23dcdf2d99961fef"` [INFO] running `"docker" "rm" "-f" "655044c151ef3fe22c4bb291e000d69dc734be2b27a16dca23dcdf2d99961fef"` [INFO] [stdout] 655044c151ef3fe22c4bb291e000d69dc734be2b27a16dca23dcdf2d99961fef