these 4 derivations will be built:
  /nix/store/rgy638cwgmc5vbqnippgajppjx863kz8-workmux-0.1.279-vendor-staging.drv
  /nix/store/8wb21cy3bjjkb0cv08157amcykv1nvsx-workmux-0.1.279-vendor.drv
  /nix/store/rvl970cz6jnjg4p7lkggciz1arxn3s5r-workmux-0.1.279.drv
  /nix/store/wvv8951sn8qsc93fnl8pv55hdrvy5v1b-check-workmux.drv