this derivation will be built:
  /nix/store/6qzm2qb1l5w6a2s32q3rx2144gh5xm5w-bcachefs-module-7.0.0-38-generic.drv
building '/nix/store/6qzm2qb1l5w6a2s32q3rx2144gh5xm5w-bcachefs-module-7.0.0-38-generic.drv'...