this derivation will be built:
  /nix/store/vk8550kszfq2na3m9bgdk87ay2pdv62q-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vk8550kszfq2na3m9bgdk87ay2pdv62q-bcachefs-module-7.0.0-31-generic.drv'...