this derivation will be built:
  /nix/store/ld78sy9w40h6l4dx13nsmb5wpvjliqzj-bcachefs-module-7.0.0-30-generic.drv
building '/nix/store/ld78sy9w40h6l4dx13nsmb5wpvjliqzj-bcachefs-module-7.0.0-30-generic.drv'...