this derivation will be built:
  /nix/store/hmh86r4f6nb31graag06hi1fsc4snqhd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/hmh86r4f6nb31graag06hi1fsc4snqhd-bcachefs-module-7.0.0-39-generic.drv'...