this derivation will be built:
  /nix/store/vci2kyg7b5997kklppjbbj9iqpa75w6x-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/vci2kyg7b5997kklppjbbj9iqpa75w6x-bcachefs-module-7.0.0-31-generic.drv'...