this derivation will be built:
  /nix/store/sd6zsg5s8caifs5f81ad9vd088868bvd-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/sd6zsg5s8caifs5f81ad9vd088868bvd-bcachefs-module-7.0.0-39-generic.drv'...