this derivation will be built:
  /nix/store/hxmg8vhgigslapz2mw6b5n4g39xiiwfv-bcachefs-module-7.0.0-29-generic.drv
building '/nix/store/hxmg8vhgigslapz2mw6b5n4g39xiiwfv-bcachefs-module-7.0.0-29-generic.drv'...