this derivation will be built:
  /nix/store/2h55vfizdxa30c2wvqnp49nwbrxfkhl8-bcachefs-module-7.0.0-39-generic.drv
building '/nix/store/2h55vfizdxa30c2wvqnp49nwbrxfkhl8-bcachefs-module-7.0.0-39-generic.drv'...