ninja -C build

Compiling shortwave v0.0.0 (/home/karl/Shortwave)
src/audio/player.rs:29:18: warning: unused import: `FaviconDownloader`
src/audio/backend/gstreamer_backend.rs:376:56: warning: use of deprecated item 'gstreamer::event::Event::new_eos': use `event::Eos::new` or `event::Eos::builder` instead
src/ui/notification.rs:100:16: warning: unused variable: `r`
src/ui/notification.rs:69:12: warning: associated function is never used: `new_spinner`
error: linking with `cc` failed: exit code: 1
error: aborting due to previous error; 4 warnings emitted
error: could not compile `shortwave`.

To learn more, run the command again with --verbose.
FAILED: src/shortwave
/home/karl/Shortwave/build-aux/cargo.sh /home/karl/Shortwave/build /home/karl/Shortwave src/shortwave /usr/share/locale default
ninja: build stopped: subcommand failed.