this derivation will be built:
  /nix/store/15lgdlv4fnfwnmj9605fgn5slq2nbsn6-bcachefs-module-7.0.0-14-generic.drv
building '/nix/store/15lgdlv4fnfwnmj9605fgn5slq2nbsn6-bcachefs-module-7.0.0-14-generic.drv'...