[INFO] cloning repository https://github.com/kevinjdinicola/music-analyzer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kevinjdinicola/music-analyzer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinjdinicola%2Fmusic-analyzer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinjdinicola%2Fmusic-analyzer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3c225801e1b9a392920212b8395ee75c9f2e0aca
[INFO] testing kevinjdinicola/music-analyzer against beta-2025-09-21 for beta-1.91-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkevinjdinicola%2Fmusic-analyzer" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/kevinjdinicola/music-analyzer
[INFO] finished tweaking git repo https://github.com/kevinjdinicola/music-analyzer
[INFO] tweaked toml for git repo https://github.com/kevinjdinicola/music-analyzer written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/kevinjdinicola/music-analyzer on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/kevinjdinicola/music-analyzer already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2c92b0c8ec8a38ee0194dfb80e584730358cb155e803dce45f22cee65af4fa1d
[INFO] running `Command { std: "docker" "start" "-a" "2c92b0c8ec8a38ee0194dfb80e584730358cb155e803dce45f22cee65af4fa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2c92b0c8ec8a38ee0194dfb80e584730358cb155e803dce45f22cee65af4fa1d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2c92b0c8ec8a38ee0194dfb80e584730358cb155e803dce45f22cee65af4fa1d", kill_on_drop: false }`
[INFO] [stdout] 2c92b0c8ec8a38ee0194dfb80e584730358cb155e803dce45f22cee65af4fa1d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79a97a3e38c4a8a8ed40951175cd51d2b5968bebf541ceb6bf8ca85adef64b9c
[INFO] running `Command { std: "docker" "start" "-a" "79a97a3e38c4a8a8ed40951175cd51d2b5968bebf541ceb6bf8ca85adef64b9c", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.188
[INFO] [stderr]    Compiling memchr v2.6.3
[INFO] [stderr]    Compiling ryu v1.0.15
[INFO] [stderr]    Compiling itoa v1.0.9
[INFO] [stderr]    Compiling xml-rs v0.8.18
[INFO] [stderr]    Compiling csv-core v0.1.10
[INFO] [stderr]    Compiling csv v1.2.2
[INFO] [stderr]    Compiling music-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let e = match(e) {
[INFO] [stdout]    |                      ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -         let e = match(e) {
[INFO] [stdout] 79 +         let e = match e {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     if let Some(ref path) = args.library_xml {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut c = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_c` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value_type` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut value_type = String::default();
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_value_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         value_type = String::default();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:121:25
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         value_type = String::default();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         value_type = vt.to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 value_type = String::default();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm_state`
[INFO] [stdout]    --> src/main.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |             (fsm_state, XmlEvent::Characters(data)) => {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsm_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/main.rs:143:46
[INFO] [stdout]     |
[INFO] [stdout] 143 |             (fsm_state, XmlEvent::Characters(data)) => {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm_state`
[INFO] [stdout]    --> src/main.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |             (fsm_state, xml_event) => {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsm_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xml_event`
[INFO] [stdout]    --> src/main.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 146 |             (fsm_state, xml_event) => {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xml_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PLIST` is never used
[INFO] [stdout]   --> src/main.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | const PLIST: &str = "plist";
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.76s
[INFO] running `Command { std: "docker" "inspect" "79a97a3e38c4a8a8ed40951175cd51d2b5968bebf541ceb6bf8ca85adef64b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79a97a3e38c4a8a8ed40951175cd51d2b5968bebf541ceb6bf8ca85adef64b9c", kill_on_drop: false }`
[INFO] [stdout] 79a97a3e38c4a8a8ed40951175cd51d2b5968bebf541ceb6bf8ca85adef64b9c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c6e7414f3dbb77ff287d5deef3cf41eb33c388f0936119e8f7f7e6a73722f6b9
[INFO] running `Command { std: "docker" "start" "-a" "c6e7414f3dbb77ff287d5deef3cf41eb33c388f0936119e8f7f7e6a73722f6b9", kill_on_drop: false }`
[INFO] [stderr]    Compiling music-analyzer v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stdout]   --> src/main.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 |         let e = match(e) {
[INFO] [stdout]    |                      ^ ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout] 79 -         let e = match(e) {
[INFO] [stdout] 79 +         let e = match e {
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/main.rs:35:21
[INFO] [stdout]    |
[INFO] [stdout] 35 |     if let Some(ref path) = args.library_xml {
[INFO] [stdout]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `c` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:68:13
[INFO] [stdout]    |
[INFO] [stdout] 68 |     let mut c = 0;
[INFO] [stdout]    |             ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_c` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `value_type` is assigned to, but never used
[INFO] [stdout]   --> src/main.rs:70:13
[INFO] [stdout]    |
[INFO] [stdout] 70 |     let mut value_type = String::default();
[INFO] [stdout]    |             ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_value_type` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:114:25
[INFO] [stdout]     |
[INFO] [stdout] 114 |                         value_type = String::default();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:121:25
[INFO] [stdout]     |
[INFO] [stdout] 121 |                         value_type = String::default();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:124:25
[INFO] [stdout]     |
[INFO] [stdout] 124 |                         value_type = vt.to_string();
[INFO] [stdout]     |                         ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `value_type` is never read
[INFO] [stdout]    --> src/main.rs:133:17
[INFO] [stdout]     |
[INFO] [stdout] 133 |                 value_type = String::default();
[INFO] [stdout]     |                 ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm_state`
[INFO] [stdout]    --> src/main.rs:143:14
[INFO] [stdout]     |
[INFO] [stdout] 143 |             (fsm_state, XmlEvent::Characters(data)) => {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsm_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/main.rs:143:46
[INFO] [stdout]     |
[INFO] [stdout] 143 |             (fsm_state, XmlEvent::Characters(data)) => {
[INFO] [stdout]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fsm_state`
[INFO] [stdout]    --> src/main.rs:146:14
[INFO] [stdout]     |
[INFO] [stdout] 146 |             (fsm_state, xml_event) => {
[INFO] [stdout]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsm_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `xml_event`
[INFO] [stdout]    --> src/main.rs:146:25
[INFO] [stdout]     |
[INFO] [stdout] 146 |             (fsm_state, xml_event) => {
[INFO] [stdout]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xml_event`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PLIST` is never used
[INFO] [stdout]   --> src/main.rs:45:7
[INFO] [stdout]    |
[INFO] [stdout] 45 | const PLIST: &str = "plist";
[INFO] [stdout]    |       ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "c6e7414f3dbb77ff287d5deef3cf41eb33c388f0936119e8f7f7e6a73722f6b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6e7414f3dbb77ff287d5deef3cf41eb33c388f0936119e8f7f7e6a73722f6b9", kill_on_drop: false }`
[INFO] [stdout] c6e7414f3dbb77ff287d5deef3cf41eb33c388f0936119e8f7f7e6a73722f6b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 84244bd52b0970e494dad0385becaf86e8375c7595372ea129f1697c1b71ec60
[INFO] running `Command { std: "docker" "start" "-a" "84244bd52b0970e494dad0385becaf86e8375c7595372ea129f1697c1b71ec60", kill_on_drop: false }`
[INFO] [stderr] warning: unnecessary parentheses around `match` scrutinee expression
[INFO] [stderr]   --> src/main.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 |         let e = match(e) {
[INFO] [stderr]    |                      ^ ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr] 79 -         let e = match(e) {
[INFO] [stderr] 79 +         let e = match e {
[INFO] [stderr]    |
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/main.rs:35:21
[INFO] [stderr]    |
[INFO] [stderr] 35 |     if let Some(ref path) = args.library_xml {
[INFO] [stderr]    |                     ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `c` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:68:13
[INFO] [stderr]    |
[INFO] [stderr] 68 |     let mut c = 0;
[INFO] [stderr]    |             ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_c` instead
[INFO] [stderr] 
[INFO] [stderr] warning: variable `value_type` is assigned to, but never used
[INFO] [stderr]   --> src/main.rs:70:13
[INFO] [stderr]    |
[INFO] [stderr] 70 |     let mut value_type = String::default();
[INFO] [stderr]    |             ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_value_type` instead
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_type` is never read
[INFO] [stderr]    --> src/main.rs:114:25
[INFO] [stderr]     |
[INFO] [stderr] 114 |                         value_type = String::default();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_type` is never read
[INFO] [stderr]    --> src/main.rs:121:25
[INFO] [stderr]     |
[INFO] [stderr] 121 |                         value_type = String::default();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_type` is never read
[INFO] [stderr]    --> src/main.rs:124:25
[INFO] [stderr]     |
[INFO] [stderr] 124 |                         value_type = vt.to_string();
[INFO] [stderr]     |                         ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `value_type` is never read
[INFO] [stderr]    --> src/main.rs:133:17
[INFO] [stderr]     |
[INFO] [stderr] 133 |                 value_type = String::default();
[INFO] [stderr]     |                 ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fsm_state`
[INFO] [stderr]    --> src/main.rs:143:14
[INFO] [stderr]     |
[INFO] [stderr] 143 |             (fsm_state, XmlEvent::Characters(data)) => {
[INFO] [stderr]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsm_state`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `data`
[INFO] [stderr]    --> src/main.rs:143:46
[INFO] [stderr]     |
[INFO] [stderr] 143 |             (fsm_state, XmlEvent::Characters(data)) => {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `fsm_state`
[INFO] [stderr]    --> src/main.rs:146:14
[INFO] [stderr]     |
[INFO] [stderr] 146 |             (fsm_state, xml_event) => {
[INFO] [stdout] 
[INFO] [stderr]     |              ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fsm_state`
[INFO] [stdout] running 0 tests
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `xml_event`
[INFO] [stderr]    --> src/main.rs:146:25
[INFO] [stdout] 
[INFO] [stderr]     |
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 146 |             (fsm_state, xml_event) => {
[INFO] [stdout] 
[INFO] [stderr]     |                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_xml_event`
[INFO] [stderr] 
[INFO] [stderr] warning: constant `PLIST` is never used
[INFO] [stderr]   --> src/main.rs:45:7
[INFO] [stderr]    |
[INFO] [stderr] 45 | const PLIST: &str = "plist";
[INFO] [stderr]    |       ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `music-analyzer` (bin "music-analyzer" test) generated 13 warnings (run `cargo fix --bin "music-analyzer" --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/music_analyzer-2fae00888b363fc0)
[INFO] running `Command { std: "docker" "inspect" "84244bd52b0970e494dad0385becaf86e8375c7595372ea129f1697c1b71ec60", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "84244bd52b0970e494dad0385becaf86e8375c7595372ea129f1697c1b71ec60", kill_on_drop: false }`
[INFO] [stdout] 84244bd52b0970e494dad0385becaf86e8375c7595372ea129f1697c1b71ec60