/nix/store/9jddm96rb3s7b1878nz70xcfdmf7ir0i-crossover-18.5.0/crossover/bin/.crossover-wrapped:116: GtkWarning: Error loading theme icon 'application-exit' for stock: Unable to load image-loading module: /nix/store/9hihdpr62mghi1184sdmqm35453h7sff-gdk-pixbuf-2.38.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so: /nix/store/9hihdpr62mghi1184sdmqm35453h7sff-gdk-pixbuf-2.38.0/lib/gdk-pixbuf-2.0/2.10.0/loaders/libpixbufloader-png.so: wrong ELF class: ELFCLASS64
  gtk.main()