this derivation will be built:
  /nix/store/d6izfwvsb3ah8pq2khl97h7mz6pm09dx-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/d6izfwvsb3ah8pq2khl97h7mz6pm09dx-bcachefs-module-7.0.0-28-generic.drv'...