this derivation will be built:
  /nix/store/pr4hq1w0r73hwlciwf1p1axhz38i2ync-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/pr4hq1w0r73hwlciwf1p1axhz38i2ync-bcachefs-module-7.0.0-31-generic.drv'...