this derivation will be built:
  /nix/store/9dcv4253jlcmfnn2f1k21q0fwj1bi18v-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/9dcv4253jlcmfnn2f1k21q0fwj1bi18v-bcachefs-module-7.0.0-39-generic.drv'...