[INFO] cloning repository https://github.com/joshmarinacci/idealos_audioservice
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/joshmarinacci/idealos_audioservice" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshmarinacci%2Fidealos_audioservice", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshmarinacci%2Fidealos_audioservice'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8a644edf58cabe43dcbe32f56126e3a3f6714f21
[INFO] testing joshmarinacci/idealos_audioservice against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjoshmarinacci%2Fidealos_audioservice" "/workspace/builds/worker-22/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-22/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/joshmarinacci/idealos_audioservice on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/joshmarinacci/idealos_audioservice
[INFO] finished tweaking git repo https://github.com/joshmarinacci/idealos_audioservice
[INFO] tweaked toml for git repo https://github.com/joshmarinacci/idealos_audioservice written to /workspace/builds/worker-22/source/Cargo.toml
[INFO] crate git repo https://github.com/joshmarinacci/idealos_audioservice already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
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[INFO] running `Command { std: "docker" "inspect" "216aa98d5c6a0800c2f0e8a907060bfb95fada195977b7f6dc32491484ceb3a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "216aa98d5c6a0800c2f0e8a907060bfb95fada195977b7f6dc32491484ceb3a0", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 180dc3d1326adfa38b75d5518a2c9d35948002d4578af44c248a25f7aa7e0a4c
[INFO] running `Command { std: "docker" "start" "-a" "180dc3d1326adfa38b75d5518a2c9d35948002d4578af44c248a25f7aa7e0a4c", kill_on_drop: false }`
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[INFO] [stderr]    Compiling matches v0.1.8
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[INFO] [stderr]    Compiling fnv v1.0.7
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[INFO] [stderr]    Compiling httparse v1.4.1
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[INFO] [stderr]    Compiling alsa-sys v0.3.1
[INFO] [stderr]    Compiling parking_lot_core v0.6.2
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[INFO] [stderr]    Compiling unicode-normalization v0.1.19
[INFO] [stderr]    Compiling lewton v0.10.2
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[INFO] [stderr]    Compiling jobserver v0.1.22
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling num_cpus v1.13.0
[INFO] [stderr]    Compiling net2 v0.2.37
[INFO] [stderr]    Compiling parking_lot_core v0.8.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling time v0.1.43
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling cc v1.0.69
[INFO] [stderr]    Compiling mio v0.6.23
[INFO] [stderr]    Compiling parking_lot v0.11.1
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling tokio-io v0.1.13
[INFO] [stderr]    Compiling url v1.7.2
[INFO] [stderr]    Compiling tokio-codec v0.1.2
[INFO] [stderr]    Compiling tokio-reactor v0.1.12
[INFO] [stderr]    Compiling openssl-sys v0.9.65
[INFO] [stderr]    Compiling minimp3-sys v0.3.2
[INFO] [stderr]    Compiling tokio-tcp v0.1.4
[INFO] [stderr]    Compiling hyper v0.10.16
[INFO] [stderr]    Compiling alsa v0.5.0
[INFO] [stderr]    Compiling thiserror-impl v1.0.26
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]    Compiling tokio-tls v0.2.1
[INFO] [stderr]    Compiling thiserror v1.0.26
[INFO] [stderr]    Compiling websocket-base v0.26.2
[INFO] [stderr]    Compiling minimp3 v0.5.1
[INFO] [stderr]    Compiling websocket v0.26.2
[INFO] [stderr]    Compiling rodio v0.14.0
[INFO] [stderr]    Compiling audiotest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `source::Source`
[INFO] [stdout]  --> src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rodio::{Decoder, OutputStream, source::Source, Sink};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut client = ClientBuilder::new(name)
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     sender.send_message(&OwnedMessage::Text(json!(AudioMessage {
[INFO] [stdout] 39 | |                             id: "".to_string(),
[INFO] [stdout] 40 | |                             type_: "AUDIO".to_string(),
[INFO] [stdout] 41 | |                             command: "connected".to_string(),
[INFO] [stdout] 42 | |                             resource: "audio".to_string()
[INFO] [stdout] 43 | |                         }).to_string()));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 | /                         sender.send_message(&OwnedMessage::Text(json!(AudioMessage {
[INFO] [stdout] 75 | |                             id: "".to_string(),
[INFO] [stdout] 76 | |                             type_: "AUDIO".to_string(),
[INFO] [stdout] 77 | |                             command: "played".to_string(),
[INFO] [stdout] 78 | |                             resource: ID.to_string()
[INFO] [stdout] 79 | |                         }).to_string()));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...                   sender.send_message(&OwnedMessage::Text(json!(msg).to_string()));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   sender.send_message(&OwnedMessage::Text(json!(msg).to_string()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.97s
[INFO] running `Command { std: "docker" "inspect" "180dc3d1326adfa38b75d5518a2c9d35948002d4578af44c248a25f7aa7e0a4c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "180dc3d1326adfa38b75d5518a2c9d35948002d4578af44c248a25f7aa7e0a4c", kill_on_drop: false }`
[INFO] [stdout] 180dc3d1326adfa38b75d5518a2c9d35948002d4578af44c248a25f7aa7e0a4c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 71091b736838f44ac111c71d0e3952a04dcffeae72a70617423589308a22b04b
[INFO] running `Command { std: "docker" "start" "-a" "71091b736838f44ac111c71d0e3952a04dcffeae72a70617423589308a22b04b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling audiotest v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `source::Source`
[INFO] [stdout]  --> src/main.rs:3:36
[INFO] [stdout]   |
[INFO] [stdout] 3 | use rodio::{Decoder, OutputStream, source::Source, Sink};
[INFO] [stdout]   |                                    ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:27:9
[INFO] [stdout]    |
[INFO] [stdout] 27 |     let mut client = ClientBuilder::new(name)
[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: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:38:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | /     sender.send_message(&OwnedMessage::Text(json!(AudioMessage {
[INFO] [stdout] 39 | |                             id: "".to_string(),
[INFO] [stdout] 40 | |                             type_: "AUDIO".to_string(),
[INFO] [stdout] 41 | |                             command: "connected".to_string(),
[INFO] [stdout] 42 | |                             resource: "audio".to_string()
[INFO] [stdout] 43 | |                         }).to_string()));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:74:25
[INFO] [stdout]    |
[INFO] [stdout] 74 | /                         sender.send_message(&OwnedMessage::Text(json!(AudioMessage {
[INFO] [stdout] 75 | |                             id: "".to_string(),
[INFO] [stdout] 76 | |                             type_: "AUDIO".to_string(),
[INFO] [stdout] 77 | |                             command: "played".to_string(),
[INFO] [stdout] 78 | |                             resource: ID.to_string()
[INFO] [stdout] 79 | |                         }).to_string()));
[INFO] [stdout]    | |_________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:92:29
[INFO] [stdout]    |
[INFO] [stdout] 92 | ...                   sender.send_message(&OwnedMessage::Text(json!(msg).to_string()));
[INFO] [stdout]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/main.rs:105:29
[INFO] [stdout]     |
[INFO] [stdout] 105 | ...                   sender.send_message(&OwnedMessage::Text(json!(msg).to_string()));
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 7 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.61s
[INFO] [stderr]   Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/audiotest-e063a6f4678ca619)
[INFO] running `Command { std: "docker" "inspect" "71091b736838f44ac111c71d0e3952a04dcffeae72a70617423589308a22b04b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "71091b736838f44ac111c71d0e3952a04dcffeae72a70617423589308a22b04b", kill_on_drop: false }`
[INFO] [stdout] 71091b736838f44ac111c71d0e3952a04dcffeae72a70617423589308a22b04b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-22/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2c6ff081825f55cf662a8eee198df1689b398b795ed059ae64b03421657effe6
[INFO] running `Command { std: "docker" "start" "-a" "2c6ff081825f55cf662a8eee198df1689b398b795ed059ae64b03421657effe6", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `source::Source`
[INFO] [stderr]  --> src/main.rs:3:36
[INFO] [stderr]   |
[INFO] [stderr] 3 | use rodio::{Decoder, OutputStream, source::Source, Sink};
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut client = ClientBuilder::new(name)
[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: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:38:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | /     sender.send_message(&OwnedMessage::Text(json!(AudioMessage {
[INFO] [stderr] 39 | |                             id: "".to_string(),
[INFO] [stderr] 40 | |                             type_: "AUDIO".to_string(),
[INFO] [stderr] 41 | |                             command: "connected".to_string(),
[INFO] [stderr] 42 | |                             resource: "audio".to_string()
[INFO] [stderr] 43 | |                         }).to_string()));
[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 `Result` that must be used
[INFO] [stderr]   --> src/main.rs:74:25
[INFO] [stderr]    |
[INFO] [stderr] 74 | /                         sender.send_message(&OwnedMessage::Text(json!(AudioMessage {
[INFO] [stderr] 75 | |                             id: "".to_string(),
[INFO] [stderr] 76 | |                             type_: "AUDIO".to_string(),
[INFO] [stderr] 77 | |                             command: "played".to_string(),
[INFO] [stderr] 78 | |                             resource: ID.to_string()
[INFO] [stderr] 79 | |                         }).to_string()));
[INFO] [stderr]    | |_________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/main.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 | ...                   sender.send_message(&OwnedMessage::Text(json!(msg).to_string()));
[INFO] [stderr]    |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/main.rs:105:29
[INFO] [stderr]     |
[INFO] [stderr] 105 | ...                   sender.send_message(&OwnedMessage::Text(json!(msg).to_string()));
[INFO] [stderr]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `audiotest` (bin "audiotest" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/audiotest-e063a6f4678ca619)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2c6ff081825f55cf662a8eee198df1689b398b795ed059ae64b03421657effe6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c6ff081825f55cf662a8eee198df1689b398b795ed059ae64b03421657effe6", kill_on_drop: false }`
[INFO] [stdout] 2c6ff081825f55cf662a8eee198df1689b398b795ed059ae64b03421657effe6