this derivation will be built:
  /nix/store/w41ajmx1zkyr8f8ibp269b3g2wny1yrn-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/w41ajmx1zkyr8f8ibp269b3g2wny1yrn-bcachefs-module-7.0.0-38-generic.drv'...