this derivation will be built:
  /nix/store/c18m2gv2ypy35dpqflqmhk8y5x75wd0m-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/c18m2gv2ypy35dpqflqmhk8y5x75wd0m-bcachefs-module-7.0.0-31-generic.drv'...