this derivation will be built:
  /nix/store/mlayrnr16alxnxz5g1z022r1fg8g8szn-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/mlayrnr16alxnxz5g1z022r1fg8g8szn-bcachefs-module-7.0.0-31-generic.drv'...