Dec 17 18:31:47.725 INFO checking nutcase84/piano against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 18:31:47.726 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/gh/nutcase84/piano:/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=forbid" "-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" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 18:31:47.909 INFO [stdout] d1bdf3a4ee54512c77d34307ed3dd5cb47fb4fc3531c90f7520e006586eee08e
Dec 17 18:31:47.913 INFO running `"docker" "start" "-a" "d1bdf3a4ee54512c77d34307ed3dd5cb47fb4fc3531c90f7520e006586eee08e"`
Dec 17 18:31:48.509 INFO [stderr]     Checking rand v0.5.5
Dec 17 18:31:48.515 INFO [stderr]     Checking vst v0.0.1
Dec 17 18:31:50.646 INFO [stderr]     Checking piano v0.1.0 (/opt/crater/workdir)
Dec 17 18:31:50.988 INFO [stderr] warning: variable `active_notes` is assigned to, but never used
Dec 17 18:31:50.988 INFO [stderr]   --> src/event.rs:34:10
Dec 17 18:31:50.988 INFO [stderr]    |
Dec 17 18:31:50.988 INFO [stderr] 34 |     let mut active_notes = 0; // could be useful later
Dec 17 18:31:50.988 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 17 18:31:50.988 INFO [stderr]    |
Dec 17 18:31:50.988 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:31:50.988 INFO [stderr]    = note: consider using `_active_notes` instead
Dec 17 18:31:50.988 INFO [stderr] 
Dec 17 18:31:50.988 INFO [stderr] warning: unused variable: `i`
Dec 17 18:31:50.988 INFO [stderr]   --> src/filter.rs:54:7
Dec 17 18:31:50.988 INFO [stderr]    |
Dec 17 18:31:50.988 INFO [stderr] 54 |         for i in 0..buffer_size {
Dec 17 18:31:50.988 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 17 18:31:50.988 INFO [stderr] 
Dec 17 18:31:51.004 INFO [stderr] warning: variable `active_notes` is assigned to, but never used
Dec 17 18:31:51.004 INFO [stderr]   --> src/event.rs:34:10
Dec 17 18:31:51.004 INFO [stderr]    |
Dec 17 18:31:51.004 INFO [stderr] 34 |     let mut active_notes = 0; // could be useful later
Dec 17 18:31:51.004 INFO [stderr]    |             ^^^^^^^^^^^^
Dec 17 18:31:51.004 INFO [stderr]    |
Dec 17 18:31:51.004 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 18:31:51.004 INFO [stderr]    = note: consider using `_active_notes` instead
Dec 17 18:31:51.004 INFO [stderr] 
Dec 17 18:31:51.004 INFO [stderr] warning: unused variable: `i`
Dec 17 18:31:51.004 INFO [stderr]   --> src/filter.rs:54:7
Dec 17 18:31:51.004 INFO [stderr]    |
Dec 17 18:31:51.004 INFO [stderr] 54 |         for i in 0..buffer_size {
Dec 17 18:31:51.004 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 17 18:31:51.004 INFO [stderr] 
Dec 17 18:31:51.004 INFO [stderr] warning: function is never used: `hammer`
Dec 17 18:31:51.004 INFO [stderr]  --> src/hammer.rs:4:1
Dec 17 18:31:51.005 INFO [stderr]   |
Dec 17 18:31:51.005 INFO [stderr] 4 | pub fn hammer(string: &mut Waveguide, stiffness: f32, size: usize, velocity: f32, position: usize, time: f32) {
Dec 17 18:31:51.005 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.005 INFO [stderr]   |
Dec 17 18:31:51.005 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:31:51.005 INFO [stderr] 
Dec 17 18:31:51.005 INFO [stderr] warning: struct is never constructed: `IntegerAllPass`
Dec 17 18:31:51.005 INFO [stderr]  --> src/filter.rs:3:1
Dec 17 18:31:51.005 INFO [stderr]   |
Dec 17 18:31:51.005 INFO [stderr] 3 | pub struct IntegerAllPass { // Generic integer-delay allpass
Dec 17 18:31:51.005 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.005 INFO [stderr] 
Dec 17 18:31:51.005 INFO [stderr] warning: method is never used: `new`
Dec 17 18:31:51.005 INFO [stderr]   --> src/filter.rs:10:2
Dec 17 18:31:51.005 INFO [stderr]    |
Dec 17 18:31:51.005 INFO [stderr] 10 |     pub fn new(gain: f32, size: usize) -> Self {
Dec 17 18:31:51.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.005 INFO [stderr] 
Dec 17 18:31:51.005 INFO [stderr] warning: method is never used: `update`
Dec 17 18:31:51.005 INFO [stderr]   --> src/filter.rs:18:2
Dec 17 18:31:51.005 INFO [stderr]    |
Dec 17 18:31:51.005 INFO [stderr] 18 |     pub fn update(&mut self, input: f32) -> f32 {
Dec 17 18:31:51.005 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.005 INFO [stderr] 
Dec 17 18:31:51.040 INFO [stderr] warning: function is never used: `hammer`
Dec 17 18:31:51.040 INFO [stderr]  --> src/hammer.rs:4:1
Dec 17 18:31:51.040 INFO [stderr]   |
Dec 17 18:31:51.040 INFO [stderr] 4 | pub fn hammer(string: &mut Waveguide, stiffness: f32, size: usize, velocity: f32, position: usize, time: f32) {
Dec 17 18:31:51.040 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.040 INFO [stderr]   |
Dec 17 18:31:51.040 INFO [stderr]   = note: #[warn(dead_code)] on by default
Dec 17 18:31:51.040 INFO [stderr] 
Dec 17 18:31:51.040 INFO [stderr] warning: struct is never constructed: `IntegerAllPass`
Dec 17 18:31:51.040 INFO [stderr]  --> src/filter.rs:3:1
Dec 17 18:31:51.040 INFO [stderr]   |
Dec 17 18:31:51.040 INFO [stderr] 3 | pub struct IntegerAllPass { // Generic integer-delay allpass
Dec 17 18:31:51.040 INFO [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.040 INFO [stderr] 
Dec 17 18:31:51.040 INFO [stderr] warning: method is never used: `new`
Dec 17 18:31:51.040 INFO [stderr]   --> src/filter.rs:10:2
Dec 17 18:31:51.040 INFO [stderr]    |
Dec 17 18:31:51.040 INFO [stderr] 10 |     pub fn new(gain: f32, size: usize) -> Self {
Dec 17 18:31:51.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.040 INFO [stderr] 
Dec 17 18:31:51.040 INFO [stderr] warning: method is never used: `update`
Dec 17 18:31:51.040 INFO [stderr]   --> src/filter.rs:18:2
Dec 17 18:31:51.040 INFO [stderr]    |
Dec 17 18:31:51.040 INFO [stderr] 18 |     pub fn update(&mut self, input: f32) -> f32 {
Dec 17 18:31:51.040 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 18:31:51.040 INFO [stderr] 
Dec 17 18:31:51.084 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.62s
Dec 17 18:31:51.609 INFO running `"docker" "inspect" "d1bdf3a4ee54512c77d34307ed3dd5cb47fb4fc3531c90f7520e006586eee08e"`
Dec 17 18:31:51.840 INFO running `"docker" "rm" "-f" "d1bdf3a4ee54512c77d34307ed3dd5cb47fb4fc3531c90f7520e006586eee08e"`
Dec 17 18:31:52.156 INFO [stdout] d1bdf3a4ee54512c77d34307ed3dd5cb47fb4fc3531c90f7520e006586eee08e