[INFO] cloning repository https://github.com/dacid44/unicode_player
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dacid44/unicode_player" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdacid44%2Funicode_player", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdacid44%2Funicode_player'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c7f3b87dd89c36751265f408f86d22e80bda2d20
[INFO] testing dacid44/unicode_player against try#613d1972a772987ed4ee06faccbab0e2fc839871+rustflags=-Copt-level=3 for pr-107051
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdacid44%2Funicode_player" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dacid44/unicode_player on toolchain 613d1972a772987ed4ee06faccbab0e2fc839871
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dacid44/unicode_player
[INFO] finished tweaking git repo https://github.com/dacid44/unicode_player
[INFO] tweaked toml for git repo https://github.com/dacid44/unicode_player written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/dacid44/unicode_player 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" "+613d1972a772987ed4ee06faccbab0e2fc839871" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9c7c07d61c107f4e8317075eba93bb644f863133bb0bb7fa192d939c4091179
[INFO] running `Command { std: "docker" "start" "-a" "b9c7c07d61c107f4e8317075eba93bb644f863133bb0bb7fa192d939c4091179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9c7c07d61c107f4e8317075eba93bb644f863133bb0bb7fa192d939c4091179", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9c7c07d61c107f4e8317075eba93bb644f863133bb0bb7fa192d939c4091179", kill_on_drop: false }`
[INFO] [stdout] b9c7c07d61c107f4e8317075eba93bb644f863133bb0bb7fa192d939c4091179
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f9952486c3ec03dd5dcf7c242085dd192eb8b6b32518df5355ce77ead7645e08
[INFO] running `Command { std: "docker" "start" "-a" "f9952486c3ec03dd5dcf7c242085dd192eb8b6b32518df5355ce77ead7645e08", kill_on_drop: false }`
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling libc v0.2.135
[INFO] [stderr]    Compiling proc-macro2 v1.0.47
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling syn v1.0.94
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
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[INFO] [stderr]    Compiling tendril v0.4.3
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[INFO] [stderr]    Compiling dtoa-short v0.3.3
[INFO] [stderr]    Compiling want v0.3.0
[INFO] [stderr]    Compiling unicode-normalization v0.1.22
[INFO] [stderr]    Compiling nanorand v0.6.1
[INFO] [stderr]    Compiling selectors v0.22.0
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[INFO] [stderr]    Compiling either v1.6.1
[INFO] [stderr]    Compiling ryu v1.0.11
[INFO] [stderr]    Compiling encoding_rs v0.8.31
[INFO] [stderr]    Compiling httpdate v1.0.2
[INFO] [stderr]    Compiling unicode-bidi v0.3.8
[INFO] [stderr]    Compiling nodrop v0.1.14
[INFO] [stderr]    Compiling itoa v0.4.8
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[INFO] [stderr]    Compiling tower-service v0.3.2
[INFO] [stderr]    Compiling linux-raw-sys v0.1.4
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[INFO] [stderr]    Compiling weezl v0.1.5
[INFO] [stderr]    Compiling servo_arc v0.1.1
[INFO] [stderr]    Compiling idna v0.3.0
[INFO] [stderr]    Compiling hyper v0.14.20
[INFO] [stderr]    Compiling flate2 v1.0.22
[INFO] [stderr]    Compiling fxhash v0.2.1
[INFO] [stderr]    Compiling inflate v0.4.5
[INFO] [stderr]    Compiling miniz_oxide v0.5.1
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[INFO] [stderr]    Compiling bit_field v0.10.1
[INFO] [stderr]    Compiling lebe v0.5.1
[INFO] [stderr]    Compiling unicode-width v0.1.10
[INFO] [stderr]    Compiling jpeg-decoder v0.1.22
[INFO] [stderr]    Compiling half v1.8.2
[INFO] [stderr]    Compiling os_str_bytes v6.0.0
[INFO] [stderr]    Compiling thin-slice v0.1.1
[INFO] [stderr]    Compiling color_quant v1.1.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling gif v0.11.3
[INFO] [stderr]    Compiling clap_lex v0.3.0
[INFO] [stderr]    Compiling tiff v0.7.1
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]    Compiling png v0.17.4
[INFO] [stderr]    Compiling jpeg-decoder v0.2.2
[INFO] [stderr]    Compiling signal-hook-mio v0.2.3
[INFO] [stderr]    Compiling is-terminal v0.4.1
[INFO] [stderr]    Compiling url v2.3.1
[INFO] [stderr]    Compiling serde_urlencoded v0.7.1
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling base64 v0.13.0
[INFO] [stderr]    Compiling bytemuck v1.7.3
[INFO] [stderr]    Compiling ego-tree v0.6.2
[INFO] [stderr]    Compiling numtoa v0.1.0
[INFO] [stderr]    Compiling termcolor v1.1.2
[INFO] [stderr]    Compiling scoped_threadpool v0.1.9
[INFO] [stderr]    Compiling ipnet v2.5.0
[INFO] [stderr]    Compiling strsim v0.10.0
[INFO] [stderr]    Compiling mime v0.3.16
[INFO] [stderr]    Compiling termion v2.0.1
[INFO] [stderr]    Compiling colored v2.0.0
[INFO] [stderr]    Compiling crossterm v0.25.0
[INFO] [stderr]    Compiling unicode-segmentation v1.10.0
[INFO] [stderr]    Compiling iter-read v0.3.1
[INFO] [stderr]    Compiling hex-literal v0.3.4
[INFO] [stderr]    Compiling urlencoding v2.1.2
[INFO] [stderr]    Compiling openssl-macros v0.1.0
[INFO] [stderr]    Compiling cssparser v0.27.2
[INFO] [stderr]    Compiling pin-project-internal v1.0.10
[INFO] [stderr]    Compiling phf_macros v0.8.0
[INFO] [stderr]    Compiling cssparser-macros v0.6.0
[INFO] [stderr]    Compiling html5ever v0.26.0
[INFO] [stderr]    Compiling derive_more v0.99.17
[INFO] [stderr]    Compiling clap_derive v4.0.21
[INFO] [stderr]    Compiling phf v0.8.0
[INFO] [stderr]    Compiling tokio-native-tls v0.3.0
[INFO] [stderr]    Compiling hyper-tls v0.5.0
[INFO] [stderr]    Compiling reqwest v0.11.12
[INFO] [stderr]    Compiling pin-project v1.0.10
[INFO] [stderr]    Compiling flume v0.10.11
[INFO] [stderr]    Compiling exr v1.4.1
[INFO] [stderr]    Compiling clap v4.0.29
[INFO] [stderr]    Compiling image v0.24.1
[INFO] [stderr]    Compiling scraper v0.13.0
[INFO] [stderr]    Compiling unicode_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `file_exists` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn file_exists(filename: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Termion` is never constructed
[INFO] [stdout]   --> src/terminal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum TermWriter {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] 15 |     #[cfg(not(windows))]
[INFO] [stdout] 16 |     Termion(termion::raw::RawTerminal<termion::screen::AlternateScreen<Stdout>>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Termion` is never constructed
[INFO] [stdout]   --> src/terminal.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) enum TermKind {
[INFO] [stdout]    |                 -------- variant in this enum
[INFO] [stdout] 41 |     #[cfg(not(windows))]
[INFO] [stdout] 42 |     Termion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TermKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_termion` is never used
[INFO] [stdout]    --> src/terminal.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub(crate) fn new_termion() -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/source.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 ffmpeg.kill();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/source.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 ytdl.kill();
[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/source.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 ffmpeg.kill();
[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 12m 43s
[INFO] running `Command { std: "docker" "inspect" "f9952486c3ec03dd5dcf7c242085dd192eb8b6b32518df5355ce77ead7645e08", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f9952486c3ec03dd5dcf7c242085dd192eb8b6b32518df5355ce77ead7645e08", kill_on_drop: false }`
[INFO] [stdout] f9952486c3ec03dd5dcf7c242085dd192eb8b6b32518df5355ce77ead7645e08
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 78f182bb37dc2cd10e25e78bb11070c9aa44e4c5fb0f1a1b3c3272b42cd59ee5
[INFO] running `Command { std: "docker" "start" "-a" "78f182bb37dc2cd10e25e78bb11070c9aa44e4c5fb0f1a1b3c3272b42cd59ee5", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode_player v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function `file_exists` is never used
[INFO] [stdout]   --> src/main.rs:45:4
[INFO] [stdout]    |
[INFO] [stdout] 45 | fn file_exists(filename: &str) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Termion` is never constructed
[INFO] [stdout]   --> src/terminal.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub(crate) enum TermWriter {
[INFO] [stdout]    |                 ---------- variant in this enum
[INFO] [stdout] 15 |     #[cfg(not(windows))]
[INFO] [stdout] 16 |     Termion(termion::raw::RawTerminal<termion::screen::AlternateScreen<Stdout>>),
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Termion` is never constructed
[INFO] [stdout]   --> src/terminal.rs:42:5
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub(crate) enum TermKind {
[INFO] [stdout]    |                 -------- variant in this enum
[INFO] [stdout] 41 |     #[cfg(not(windows))]
[INFO] [stdout] 42 |     Termion,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TermKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_termion` is never used
[INFO] [stdout]    --> src/terminal.rs:100:19
[INFO] [stdout]     |
[INFO] [stdout] 100 |     pub(crate) fn new_termion() -> Self {
[INFO] [stdout]     |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/source.rs:156:17
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 ffmpeg.kill();
[INFO] [stdout]     |                 ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/source.rs:159:17
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 ytdl.kill();
[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/source.rs:160:17
[INFO] [stdout]     |
[INFO] [stdout] 160 |                 ffmpeg.kill();
[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 1.52s
[INFO] running `Command { std: "docker" "inspect" "78f182bb37dc2cd10e25e78bb11070c9aa44e4c5fb0f1a1b3c3272b42cd59ee5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "78f182bb37dc2cd10e25e78bb11070c9aa44e4c5fb0f1a1b3c3272b42cd59ee5", kill_on_drop: false }`
[INFO] [stdout] 78f182bb37dc2cd10e25e78bb11070c9aa44e4c5fb0f1a1b3c3272b42cd59ee5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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=forbid -Copt-level=3" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:7c93e6f9a94679f34221d1005849d4c83862f85b14a264fa0883942f4d043a66" "/opt/rustwide/cargo-home/bin/cargo" "+613d1972a772987ed4ee06faccbab0e2fc839871" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0e054c3120f814c64ad8d79b412099ed0af08d452239a67b548fd8715214e362
[INFO] running `Command { std: "docker" "start" "-a" "0e054c3120f814c64ad8d79b412099ed0af08d452239a67b548fd8715214e362", kill_on_drop: false }`
[INFO] [stderr] warning: function `file_exists` is never used
[INFO] [stderr]   --> src/main.rs:45:4
[INFO] [stderr]    |
[INFO] [stderr] 45 | fn file_exists(filename: &str) -> Result<(), String> {
[INFO] [stderr]    |    ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Termion` is never constructed
[INFO] [stderr]   --> src/terminal.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub(crate) enum TermWriter {
[INFO] [stderr]    |                 ---------- variant in this enum
[INFO] [stderr] 15 |     #[cfg(not(windows))]
[INFO] [stderr] 16 |     Termion(termion::raw::RawTerminal<termion::screen::AlternateScreen<Stdout>>),
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `Termion` is never constructed
[INFO] [stderr]   --> src/terminal.rs:42:5
[INFO] [stderr]    |
[INFO] [stderr] 40 | pub(crate) enum TermKind {
[INFO] [stderr]    |                 -------- variant in this enum
[INFO] [stderr] 41 |     #[cfg(not(windows))]
[INFO] [stderr] 42 |     Termion,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TermKind` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new_termion` is never used
[INFO] [stderr]    --> src/terminal.rs:100:19
[INFO] [stderr]     |
[INFO] [stderr] 100 |     pub(crate) fn new_termion() -> Self {
[INFO] [stderr]     |                   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/source.rs:156:17
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 ffmpeg.kill();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]    --> src/source.rs:159:17
[INFO] [stderr]     |
[INFO] [stderr] 159 |                 ytdl.kill();
[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/source.rs:160:17
[INFO] [stderr]     |
[INFO] [stderr] 160 |                 ffmpeg.kill();
[INFO] [stderr]     |                 ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: `unicode_player` (bin "unicode_player" test) generated 7 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.22s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/unicode_player-8dc346f8fee67f77)
[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" "0e054c3120f814c64ad8d79b412099ed0af08d452239a67b548fd8715214e362", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0e054c3120f814c64ad8d79b412099ed0af08d452239a67b548fd8715214e362", kill_on_drop: false }`
[INFO] [stdout] 0e054c3120f814c64ad8d79b412099ed0af08d452239a67b548fd8715214e362