Hi, Most likely the problem with non-reproducible .go files is that the fix for <https://bugs.gnu.org/20272> was incomplete. In particular, I think that gensyms are not reproducible when building things in parallel, because the gensym depends on what’s loaded vs. interpreted.
Example of a simpler discrepancy: --8<---------------cut here---------------start------------->8--- $ guix challenge guile-gcrypt /gnu/store/i6zzgsjjlqyfn9zmanb55hqdackhc0mf-guile-gcrypt-0.3.0 contents differ: local hash: 0bkxim5532bd234iqxvxd31ybp6v7rmbrvyj3jrgpmgxbsw7hmxj https://ci.guix.gnu.org/nar/lzip/i6zzgsjjlqyfn9zmanb55hqdackhc0mf-guile-gcrypt-0.3.0: 00zsccxn1485bnvxvssgq50i2w69i38m9hnrk8z1sji9qcmmaxcs differing files: /lib/guile/3.0/site-ccache/gcrypt/pk-crypto.go /lib/guile/3.0/site-ccache/gcrypt/mac.go --8<---------------cut here---------------end--------------->8--- HTH! Ludo’.
