The full logs can be found here for i386[1], armel[2], armhf[3] and mipsel[4]
[1]: https://buildd.debian.org/status/fetch.php?pkg=maude&arch=i386&ver=3.1-1&stamp=1604156507&raw=0
[2]: https://buildd.debian.org/status/fetch.php?pkg=maude&arch=armel&ver=3.1-1&stamp=1604157359&raw=0
[3]: https://buildd.debian.org/status/fetch.php?pkg=maude&arch=armhf&ver=3.1-1&stamp=1604157360&raw=0
[4]: https://buildd.debian.org/status/fetch.php?pkg=maude&arch=mipsel&ver=3.1-1&stamp=1604161469&raw=0
Please consider fixing this, or let us know if it is no longer compatible to build on 32-bit arches.
Kind regards
Nilesh