The help section for `guix build --rounds=N` in 7.1.1 Common Build Options is miss advising.
``` Note that, currently, the differing build results are not kept around, so you will have to manually investigate in case of an error—e.g., by stashing one of the build results with ‘guix archive --export’ (*note Invoking guix archive::), then rebuilding, and finally comparing the two results. ``` Should rather endorse `guix build --rounds=N --keep-failed` as this option preservers all differing builds, not only one. This option was proposed by Marius Bakke in IRC.
