this derivation will be built:
  /nix/store/l7dcdlbiwwgk2yxk2a7k804y2ydwkzgp-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/l7dcdlbiwwgk2yxk2a7k804y2ydwkzgp-bcachefs-module-7.0.0-31-generic.drv'...