this derivation will be built:
  /nix/store/x4p80nrv0m3ws2w6sylgc3hs52s3vgim-bcachefs-module-7.0.0-28-generic.drv
building '/nix/store/x4p80nrv0m3ws2w6sylgc3hs52s3vgim-bcachefs-module-7.0.0-28-generic.drv'...