this derivation will be built:
  /nix/store/0nwfh296z4hf95k0gxlg082n25axyjdb-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/0nwfh296z4hf95k0gxlg082n25axyjdb-bcachefs-module-7.0.0-39-generic.drv'...