this derivation will be built:
  /nix/store/nr4ij8z953c9kj87awb0iyl3pjklm42a-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/nr4ij8z953c9kj87awb0iyl3pjklm42a-bcachefs-module-7.0.0-38-generic.drv'...