[INFO] cloning repository https://github.com/davidmoreno/terminal-midi-monitor
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/davidmoreno/terminal-midi-monitor" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmoreno%2Fterminal-midi-monitor", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmoreno%2Fterminal-midi-monitor'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 019c14f2767285f87765654cab21e97ab70e584f
[INFO] testing davidmoreno/terminal-midi-monitor against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavidmoreno%2Fterminal-midi-monitor" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davidmoreno/terminal-midi-monitor on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/davidmoreno/terminal-midi-monitor
[INFO] finished tweaking git repo https://github.com/davidmoreno/terminal-midi-monitor
[INFO] tweaked toml for git repo https://github.com/davidmoreno/terminal-midi-monitor written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/davidmoreno/terminal-midi-monitor already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 85a0a312682100ff59c562994f1f5367403d7e7ff4b1fa4ff959fbc390296832
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "85a0a312682100ff59c562994f1f5367403d7e7ff4b1fa4ff959fbc390296832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "85a0a312682100ff59c562994f1f5367403d7e7ff4b1fa4ff959fbc390296832", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85a0a312682100ff59c562994f1f5367403d7e7ff4b1fa4ff959fbc390296832", kill_on_drop: false }`
[INFO] [stdout] 85a0a312682100ff59c562994f1f5367403d7e7ff4b1fa4ff959fbc390296832
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 349eb0725b4a545ecda62a040d3dd69cd71e1881a9786f2c37a0ac7810644ab8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "349eb0725b4a545ecda62a040d3dd69cd71e1881a9786f2c37a0ac7810644ab8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.49
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling alsa-sys v0.1.2
[INFO] [stderr]    Compiling colored v1.7.0
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling nix v0.9.0
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling alsa v0.2.1
[INFO] [stderr]    Compiling terminal-midi-monitor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:255:51
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn setup_alsaseq() -> Result<(seq::Seq, i32), Box<error::Error>>{
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:290:69
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn get_origin(&mut self, ev: &seq::Event) -> Result<String, Box<error::Error>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:294:74
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn get_port_name(&mut self, source: seq::Addr) -> Result<String, Box<error::Error>> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:321:53
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn autoconnect_all(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:335:69
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn connect_from(&mut self, sender: seq::Addr) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:344:85
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn print_midi_ev(midi_monitor: &mut MidiMonitor, ev: &seq::Event) -> Result<(), Box<error::Error>>{
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:511:29
[INFO] [stdout]     |
[INFO] [stdout] 511 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:571:5
[INFO] [stdout]     |
[INFO] [stdout] 554 | /     loop {
[INFO] [stdout] 555 | |         // FIXME For some events (PortStart,End...) this timeout limits how many to receive per loop.
[INFO] [stdout] 556 | |         alsa::poll::poll(&mut fds, 1000)?;
[INFO] [stdout] 557 | |         while input.event_input_pending(true)? != 0 {
[INFO] [stdout] ...   |
[INFO] [stdout] 568 | |         }
[INFO] [stdout] 569 | |     };
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 570 | 
[INFO] [stdout] 571 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let mut event;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 21.72s
[INFO] running `Command { std: "docker" "inspect" "349eb0725b4a545ecda62a040d3dd69cd71e1881a9786f2c37a0ac7810644ab8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "349eb0725b4a545ecda62a040d3dd69cd71e1881a9786f2c37a0ac7810644ab8", kill_on_drop: false }`
[INFO] [stdout] 349eb0725b4a545ecda62a040d3dd69cd71e1881a9786f2c37a0ac7810644ab8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2bc5e5ad409446dcda4605925e0d20b663b48c846f1eeee347a4da4dfcc0d03a
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "2bc5e5ad409446dcda4605925e0d20b663b48c846f1eeee347a4da4dfcc0d03a", kill_on_drop: false }`
[INFO] [stderr]    Compiling terminal-midi-monitor v0.3.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:255:51
[INFO] [stdout]     |
[INFO] [stdout] 255 | fn setup_alsaseq() -> Result<(seq::Seq, i32), Box<error::Error>>{
[INFO] [stdout]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:290:69
[INFO] [stdout]     |
[INFO] [stdout] 290 |     fn get_origin(&mut self, ev: &seq::Event) -> Result<String, Box<error::Error>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:294:74
[INFO] [stdout]     |
[INFO] [stdout] 294 |     fn get_port_name(&mut self, source: seq::Addr) -> Result<String, Box<error::Error>> {
[INFO] [stdout]     |                                                                          ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:321:53
[INFO] [stdout]     |
[INFO] [stdout] 321 |     fn autoconnect_all(&mut self) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:335:69
[INFO] [stdout]     |
[INFO] [stdout] 335 |     fn connect_from(&mut self, sender: seq::Addr) -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:344:85
[INFO] [stdout]     |
[INFO] [stdout] 344 | fn print_midi_ev(midi_monitor: &mut MidiMonitor, ev: &seq::Event) -> Result<(), Box<error::Error>>{
[INFO] [stdout]     |                                                                                     ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/main.rs:511:29
[INFO] [stdout]     |
[INFO] [stdout] 511 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stdout]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/main.rs:571:5
[INFO] [stdout]     |
[INFO] [stdout] 554 | /     loop {
[INFO] [stdout] 555 | |         // FIXME For some events (PortStart,End...) this timeout limits how many to receive per loop.
[INFO] [stdout] 556 | |         alsa::poll::poll(&mut fds, 1000)?;
[INFO] [stdout] 557 | |         while input.event_input_pending(true)? != 0 {
[INFO] [stdout] ...   |
[INFO] [stdout] 568 | |         }
[INFO] [stdout] 569 | |     };
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 570 | 
[INFO] [stdout] 571 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/main.rs:347:9
[INFO] [stdout]     |
[INFO] [stdout] 347 |     let mut event;
[INFO] [stdout]     |         ----^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.37s
[INFO] running `Command { std: "docker" "inspect" "2bc5e5ad409446dcda4605925e0d20b663b48c846f1eeee347a4da4dfcc0d03a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2bc5e5ad409446dcda4605925e0d20b663b48c846f1eeee347a4da4dfcc0d03a", kill_on_drop: false }`
[INFO] [stdout] 2bc5e5ad409446dcda4605925e0d20b663b48c846f1eeee347a4da4dfcc0d03a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 545f6b93548e04ba26070d56e93894e2d7f423008ca33f75e5e1b9449ada0015
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "545f6b93548e04ba26070d56e93894e2d7f423008ca33f75e5e1b9449ada0015", kill_on_drop: false }`
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:255:51
[INFO] [stderr]     |
[INFO] [stderr] 255 | fn setup_alsaseq() -> Result<(seq::Seq, i32), Box<error::Error>>{
[INFO] [stderr]     |                                                   ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[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:290:69
[INFO] [stderr]     |
[INFO] [stderr] 290 |     fn get_origin(&mut self, ev: &seq::Event) -> Result<String, 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:294:74
[INFO] [stderr]     |
[INFO] [stderr] 294 |     fn get_port_name(&mut self, source: seq::Addr) -> Result<String, 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:321:53
[INFO] [stderr]     |
[INFO] [stderr] 321 |     fn autoconnect_all(&mut self) -> 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/main.rs:335:69
[INFO] [stderr]     |
[INFO] [stderr] 335 |     fn connect_from(&mut self, sender: seq::Addr) -> 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/main.rs:344:85
[INFO] [stderr]     |
[INFO] [stderr] 344 | fn print_midi_ev(midi_monitor: &mut MidiMonitor, ev: &seq::Event) -> 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/main.rs:511:29
[INFO] [stderr]     |
[INFO] [stderr] 511 | fn main() -> Result<(), Box<error::Error>> {
[INFO] [stderr]     |                             ^^^^^^^^^^^^ help: use `dyn`: `dyn error::Error`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/main.rs:571:5
[INFO] [stderr]     |
[INFO] [stderr] 554 | /     loop {
[INFO] [stderr] 555 | |         // FIXME For some events (PortStart,End...) this timeout limits how many to receive per loop.
[INFO] [stderr] 556 | |         alsa::poll::poll(&mut fds, 1000)?;
[INFO] [stderr] 557 | |         while input.event_input_pending(true)? != 0 {
[INFO] [stderr] ...   |
[INFO] [stderr] 568 | |         }
[INFO] [stderr] 569 | |     };
[INFO] [stderr]     | |_____- any code following this expression is unreachable
[INFO] [stderr] 570 | 
[INFO] [stderr] 571 |       Ok(())
[INFO] [stderr]     |       ^^^^^^ unreachable expression
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/main.rs:347:9
[INFO] [stderr]     |
[INFO] [stderr] 347 |     let mut event;
[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: 9 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/terminal_midi_monitor-792ce78398db4dfa
[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 `Command { std: "docker" "inspect" "545f6b93548e04ba26070d56e93894e2d7f423008ca33f75e5e1b9449ada0015", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "545f6b93548e04ba26070d56e93894e2d7f423008ca33f75e5e1b9449ada0015", kill_on_drop: false }`
[INFO] [stdout] 545f6b93548e04ba26070d56e93894e2d7f423008ca33f75e5e1b9449ada0015
