this derivation will be built:
  /nix/store/fgha2qr53xsiiyrirdjw95gpf1s520ym-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/fgha2qr53xsiiyrirdjw95gpf1s520ym-bcachefs-module-7.0.0-14-generic.drv'...