this derivation will be built:
  /nix/store/yc92hl47b432dxir1hh6hbm96zpvn3w2-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/yc92hl47b432dxir1hh6hbm96zpvn3w2-bcachefs-module-7.0.0-39-generic.drv'...