this derivation will be built:
  /nix/store/75isldxgvg7v21vnhc81hq775myjpnx7-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/75isldxgvg7v21vnhc81hq775myjpnx7-bcachefs-module-7.0.0-31-generic.drv'...