this derivation will be built:
  /nix/store/732vr81i673bdap5ajkmisqfkaqwv2f3-bcachefs-module-7.0.0-30-generic-64k.drv
building '/nix/store/732vr81i673bdap5ajkmisqfkaqwv2f3-bcachefs-module-7.0.0-30-generic-64k.drv'...