this derivation will be built:
  /nix/store/3rpbblj2ls7sp484grn9xhl4nv64xzjm-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/3rpbblj2ls7sp484grn9xhl4nv64xzjm-bcachefs-module-7.0.0-39-generic.drv'...