this derivation will be built:
  /nix/store/aki8ksl83rl798b3kb6jrk80j3w4wbpz-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/aki8ksl83rl798b3kb6jrk80j3w4wbpz-bcachefs-module-7.0.0-38-generic.drv'...