this derivation will be built:
  /nix/store/66s407sr7lvqy58wx4kgdhfiyj32bysh-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/66s407sr7lvqy58wx4kgdhfiyj32bysh-bcachefs-module-7.0.0-31-generic.drv'...