It looks like it's failing when trying to build a dependency,
python-gssapi-1.6.5. Here's the log:
#+BEGIN_EXAMPLE
starting phase `set-SOURCE-DATE-EPOCH'
phase `set-SOURCE-DATE-EPOCH' succeeded after 0.0 seconds
starting phase `set-paths'
environment variable `PATH' set to
`/gnu/store/wc4xh9wj49rlbyivxi4lsws6whhzx4ab-python-wrapper-3.8.2/bin:/gnu/store/xdbplmjmgsdz6wxr63mghkxjkmma44k0-python-nose-1.3.7/bin:/gnu/store/q5s876bc5yghh6na3ibvfxlvj6fcj17l-mit-krb5-1.18/bin:/gnu/store/q5s876bc5yghh6na3ibvfxlvj6fcj17l-mit-krb5-1.18/sbin:/gnu/store/v6f44zccwh9z5zk3pjlywjybbi8n2hjh-tar-1.32/bin:/gnu/store/ncydgq2znms5n1d2k5yqshhf58nsixwv-gzip-1.10/bin:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/bin:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/bin:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/bin:/gnu/store/n4n560pfvvw50a9369axw5vj5rrqfj1n-diffutils-3.7/bin:/gnu/store/cd5qf3kcnlq35p9k392pjdpdzpsnds70-patch-2.7.6/bin:/gnu/store/hic7snhayfl7m6cpfqqr73nmm19bpqkg-findutils-4.7.0/bin:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/bin:/gnu/store/ishk7fswcs4gkwcp8mh788z4mvvl9bxh-sed-4.8/bin:/gnu/store/bhs4rj58v8j1narb2454raan2ps38xd8-grep-3.4/bin:/gnu/store/57xj5gcy1jbl9ai2lnrqnpr0dald9i65-coreutils-8.32/bin:/gnu/store/hm40bxnv8jxmbc1lpb7zfimii4xm9m81-make-4.3/bin:/gnu/store/pwcp239kjf7lnj5i4lkdzcfcxwcfyk72-bash-minimal-5.0.16/bin:/gnu/store/mpa04aq8lblbcviyxywxcsb1zbi0mf39-ld-wrapper-0/bin:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/bin:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/bin:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/bin:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/sbin:/gnu/store/q9rm8h9imazsq2c4qiv2yjpvlvliywqb-python-3.8.2/bin:/gnu/store/k30a2pgmc6b3ifmq3rn0dr5ng9gr8w81-which-2.21/bin'
environment variable `PYTHONPATH' set to
`/gnu/store/scskwiwn6fj9zm0nfjjcz8w8kn1jiv6n-python-shouldbe-0.1.2/lib/python3.8/site-packages:/gnu/store/4y2czl0hbvnkisvx2aq42jf086cz1l6k-python-parameterized-0.7.4/lib/python3.8/site-packages:/gnu/store/zc5mv2h8b7p3lzd4cx3pcbcn9ix25vk5-python-k5test-0.9.2/lib/python3.8/site-packages:/gnu/store/xdbplmjmgsdz6wxr63mghkxjkmma44k0-python-nose-1.3.7/lib/python3.8/site-packages:/gnu/store/shzcgi33zamc0cy6ck2jqlxy3nk90m53-python-decorator-4.3.0/lib/python3.8/site-packages:/gnu/store/b0svsfz2vw2qwlfsi56k8fwbx4fzcfhk-python-six-1.14.0/lib/python3.8/site-packages:/gnu/store/q9rm8h9imazsq2c4qiv2yjpvlvliywqb-python-3.8.2/lib/python3.8/site-packages:/gnu/store/f87xpbsj5ximbgdf0nrxc015hm3f784d-python-forbiddenfruit-0.1.3/lib/python3.8/site-packages'
environment variable `BASH_LOADABLES_PATH' unset
environment variable `C_INCLUDE_PATH' set to
`/gnu/store/q5s876bc5yghh6na3ibvfxlvj6fcj17l-mit-krb5-1.18/include:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/include:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/include:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/include:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/include:/gnu/store/hm40bxnv8jxmbc1lpb7zfimii4xm9m81-make-4.3/include:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/include:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include:/gnu/store/q9rm8h9imazsq2c4qiv2yjpvlvliywqb-python-3.8.2/include:/gnu/store/gfapkk5c6hvl1d94m4sqnhn7f9l5gqyh-linux-libre-headers-5.4.20/include'
environment variable `CPLUS_INCLUDE_PATH' set to
`/gnu/store/q5s876bc5yghh6na3ibvfxlvj6fcj17l-mit-krb5-1.18/include:/gnu/store/i8h2pcxqdq07ijm3ibkka8f4smn1w48v-bzip2-1.0.8/include:/gnu/store/9860f1abqj8wjjnwl8a9v54pdcc3bhgf-xz-5.2.4/include:/gnu/store/60g7r3l01fd7c58yjbm6krgcwj1jkpwg-file-5.38/include:/gnu/store/swqdvwri9dbv6zssg6v0by7l05hd6wxp-gawk-5.0.1/include:/gnu/store/hm40bxnv8jxmbc1lpb7zfimii4xm9m81-make-4.3/include:/gnu/store/m1z7cdbqsqyp9xnjw5cvlb4a7gkcg3m4-binutils-2.34/include:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include/c++:/gnu/store/rn75fm7adgx3pw5j8pg3bczfqq1y17lk-gcc-7.5.0/include:/gnu/store/fa6wj5bxkj5ll1d7292a70knmyl7a0cr-glibc-2.31/include:/gnu/store/q9rm8h9imazsq2c4qiv2yjpvlvliywqb-python-3.8.2/include:/gnu/store/gfapkk5c6hvl1d94m4sqnhn7f9l5gqyh-linux-libre-headers-5.4.20/include'
environment variable `LIBRARY_PATH' set to
