this derivation will be built:
  /nix/store/gcfksb9xdr92gn5n73kq1qqib0b4lal0-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/gcfksb9xdr92gn5n73kq1qqib0b4lal0-bcachefs-module-7.0.0-39-generic.drv'...