[INFO] updating cached repository https://github.com/l3kn/patchwork
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 59a7195c258bc53d61c590f3b8569dd0a28637ad
[INFO] checking l3kn/patchwork against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fl3kn%2Fpatchwork" "/workspace/builds/worker-9/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/l3kn/patchwork on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/l3kn/patchwork
[INFO] finished tweaking git repo https://github.com/l3kn/patchwork
[INFO] tweaked toml for git repo https://github.com/l3kn/patchwork written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/l3kn/patchwork already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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=forbid" "-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" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 035ba8793e827815f2e8072bf8786dc1be1c6f760e1ed8481f08c723290b9e6f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "035ba8793e827815f2e8072bf8786dc1be1c6f760e1ed8481f08c723290b9e6f"`
[INFO] [stderr]     Checking sample v0.7.1
[INFO] [stderr]    Compiling rand_chacha v0.1.0
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking alsa-sys v0.1.2
[INFO] [stderr]     Checking alsa v0.2.1
[INFO] [stderr]     Checking patchwork v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/source/math.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     sig1: Box<Source>,
[INFO] [stderr]   |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/source/math.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sig2: Box<Source>,
[INFO] [stderr]   |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |     sig1: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 |     sig2: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 |     sig1: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     sig2: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:26:45
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:32:45
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/alsa.rs:9:78
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn connect_midi_source_ports(s: &alsa::Seq, our_port: i32) -> Result<(), Box<error::Error>> {
[INFO] [stderr]   |                                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alsa.rs:35:49
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn open_midi_dev() -> Result<alsa::Seq, Box<error::Error>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alsa.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn open_audio_dev() -> Result<(alsa::PCM, u32), Box<error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/source/math.rs:5:15
[INFO] [stderr]   |
[INFO] [stderr] 5 |     sig1: Box<Source>,
[INFO] [stderr]   |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/source/math.rs:6:15
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sig2: Box<Source>,
[INFO] [stderr]   |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:10:15
[INFO] [stderr]    |
[INFO] [stderr] 10 |     sig1: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:11:15
[INFO] [stderr]    |
[INFO] [stderr] 11 |     sig2: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:15:15
[INFO] [stderr]    |
[INFO] [stderr] 15 |     sig1: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:16:15
[INFO] [stderr]    |
[INFO] [stderr] 16 |     sig2: Box<Source>,
[INFO] [stderr]    |               ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:20:26
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:20:45
[INFO] [stderr]    |
[INFO] [stderr] 20 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:26:26
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:26:45
[INFO] [stderr]    |
[INFO] [stderr] 26 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:32:26
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                          ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/source/math.rs:32:45
[INFO] [stderr]    |
[INFO] [stderr] 32 |     pub fn new(sig1: Box<Source>, sig2: Box<Source>) -> Self {
[INFO] [stderr]    |                                             ^^^^^^ help: use `dyn`: `dyn Source`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/alsa.rs:9:78
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn connect_midi_source_ports(s: &alsa::Seq, our_port: i32) -> Result<(), Box<error::Error>> {
[INFO] [stderr]   |                                                                              ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alsa.rs:35:49
[INFO] [stderr]    |
[INFO] [stderr] 35 | pub fn open_midi_dev() -> Result<alsa::Seq, Box<error::Error>> {
[INFO] [stderr]    |                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/alsa.rs:55:57
[INFO] [stderr]    |
[INFO] [stderr] 55 | pub fn open_audio_dev() -> Result<(alsa::PCM, u32), Box<error::Error>> {
[INFO] [stderr]    |                                                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/karplus_strong.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn set_input(&mut self, i: usize, val: f64) {}
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/karplus_strong.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn set_input(&mut self, i: usize, val: f64) {}
[INFO] [stderr]    |                                       ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/karplus_strong.rs:42:29
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn set_input(&mut self, i: usize, val: f64) {}
[INFO] [stderr]    |                             ^ help: consider prefixing with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/karplus_strong.rs:42:39
[INFO] [stderr]    |
[INFO] [stderr] 42 |     fn set_input(&mut self, i: usize, val: f64) {}
[INFO] [stderr]    |                                       ^^^ help: consider prefixing with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `clamp_audio`, `clamp`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use patchwork::util::{clamp, clamp_audio};
[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/main.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     modules: Vec<Box<Module>>,
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Module`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:119:51
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn register_module(&mut self, module: Box<Module>) -> usize {
[INFO] [stderr]     |                                                   ^^^^^^ help: use `dyn`: `dyn Module`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:171:25
[INFO] [stderr]     |
[INFO] [stderr] 171 |     -> Result<bool, Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:189:81
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn read_midi_event(input: &mut seq::Input, rack: &mut Rack) -> Result<bool, Box<error::Error>> {
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn run() -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `patchwork::freeverb::Freeverb`
[INFO] [stderr]  --> src/bin/karplus_strong_vis.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use patchwork::freeverb::Freeverb;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spec`
[INFO] [stderr]    --> src/bin/pluck.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let spec = hound::WavSpec {
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_spec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `spec`
[INFO] [stderr]    --> src/bin/pluck.rs:165:9
[INFO] [stderr]     |
[INFO] [stderr] 165 |     let spec = hound::WavSpec {
[INFO] [stderr]     |         ^^^^ help: consider prefixing with an underscore: `_spec`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fix_input`
[INFO] [stderr]    --> src/main.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn fix_input(&mut self, i: usize, val: f64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `W`
[INFO] [stderr]    --> src/main.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     type W = Triangle;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/bin/automaton.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     for t in 0..(8 * 44100) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `t`
[INFO] [stderr]   --> src/bin/automaton.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |     for t in 0..(8 * 44100) {
[INFO] [stderr]    |         ^ help: consider prefixing with an underscore: `_t`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/bin/automaton.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `print`
[INFO] [stderr]   --> src/bin/automaton.rs:50:5
[INFO] [stderr]    |
[INFO] [stderr] 50 |     pub fn print(&self) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `clamp_audio`, `clamp`
[INFO] [stderr]  --> src/main.rs:9:23
[INFO] [stderr]   |
[INFO] [stderr] 9 | use patchwork::util::{clamp, clamp_audio};
[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/main.rs:18:22
[INFO] [stderr]    |
[INFO] [stderr] 18 |     modules: Vec<Box<Module>>,
[INFO] [stderr]    |                      ^^^^^^ help: use `dyn`: `dyn Module`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:119:51
[INFO] [stderr]     |
[INFO] [stderr] 119 |     pub fn register_module(&mut self, module: Box<Module>) -> usize {
[INFO] [stderr]     |                                                   ^^^^^^ help: use `dyn`: `dyn Module`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:171:25
[INFO] [stderr]     |
[INFO] [stderr] 171 |     -> Result<bool, Box<error::Error>> {
[INFO] [stderr]     |                         ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:189:81
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn read_midi_event(input: &mut seq::Input, rack: &mut Rack) -> Result<bool, Box<error::Error>> {
[INFO] [stderr]     |                                                                                 ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:203:28
[INFO] [stderr]     |
[INFO] [stderr] 203 | fn run() -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                            ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `patchwork::freeverb::Freeverb`
[INFO] [stderr]  --> src/bin/karplus_strong_vis.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use patchwork::freeverb::Freeverb;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `fix_input`
[INFO] [stderr]    --> src/main.rs:111:5
[INFO] [stderr]     |
[INFO] [stderr] 111 |     pub fn fix_input(&mut self, i: usize, val: f64) {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `W`
[INFO] [stderr]    --> src/main.rs:236:5
[INFO] [stderr]     |
[INFO] [stderr] 236 |     type W = Triangle;
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.20s
[INFO] running `"docker" "inspect" "035ba8793e827815f2e8072bf8786dc1be1c6f760e1ed8481f08c723290b9e6f"`
[INFO] running `"docker" "rm" "-f" "035ba8793e827815f2e8072bf8786dc1be1c6f760e1ed8481f08c723290b9e6f"`
[INFO] [stdout] 035ba8793e827815f2e8072bf8786dc1be1c6f760e1ed8481f08c723290b9e6f