this derivation will be built:
  /nix/store/hg8q31s7vg3gihvz9cfdgp7fssnijly9-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/hg8q31s7vg3gihvz9cfdgp7fssnijly9-bcachefs-module-7.0.0-38-generic.drv'...