this derivation will be built:
  /nix/store/29ibqqn99rdap3f76if38wcxx5vbqzqq-bcachefs-module-7.0.0-31-generic-64k.drv
building '/nix/store/29ibqqn99rdap3f76if38wcxx5vbqzqq-bcachefs-module-7.0.0-31-generic-64k.drv'...