2022-12-29T03:28:39 mailcatcher 0 -> 1
2022-12-29T03:28:41 attrpath: mailcatcher
2022-12-29T03:28:41 Checking auto update branch...
2022-12-29T03:28:45 The derivation has no 'version' attribute, so do not know how to figure out the version while doing an updateScript update