this derivation will be built:
  /nix/store/dlv51z3ln7ly8v8mzv204xzs6fk83750-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/dlv51z3ln7ly8v8mzv204xzs6fk83750-bcachefs-module-7.0.0-39-generic.drv'...