this derivation will be built:
  /nix/store/ll2r9kxcxjp88fyva5g7d075c3h140x4-bcachefs-module-7.0.0-31-generic.drv
building '/nix/store/ll2r9kxcxjp88fyva5g7d075c3h140x4-bcachefs-module-7.0.0-31-generic.drv'...