this derivation will be built:
  /nix/store/fvk2s23z0a6hk2b7qrm20k6xc344fgpa-bcachefs-module-7.0.0-34-generic.drv
building '/nix/store/fvk2s23z0a6hk2b7qrm20k6xc344fgpa-bcachefs-module-7.0.0-34-generic.drv'...