this derivation will be built:
  /nix/store/n45fmx4l61d8hx6wfvaa939a6ych256w-bcachefs-module-7.0.0-1015-oem.drv
building '/nix/store/n45fmx4l61d8hx6wfvaa939a6ych256w-bcachefs-module-7.0.0-1015-oem.drv'...