this derivation will be built:
  /nix/store/8zxhafc0r91z0r046vi9b23kax6xkdjn-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/8zxhafc0r91z0r046vi9b23kax6xkdjn-bcachefs-module-7.0.0-29-generic.drv'...