capture output, to feed input) [204/229] Generating waybar-pulseaudio-slider.5 with a custom command (wrapped by meson to capture output, to feed input) [219/229] Linking target waybar buildPhase completed in 4 minutes 50 seconds Running phase: checkPhase @nix { "action": "setPhase", "phase": "dropIconThemeCache" } Running phase: fixupPhase