The lasers in bm_c1a1a only seem to hurt you once and then become harmless afterwards. This seems like a bug since the lasers should kill you if you stay in them too long but they only deal damage once, which isn’t enough to kill.
Here is a video showing off the behavior:
Post is originally from https://steamcommunity.com/app/362890/discussions/0/620712999967778605/ but I guess you guys don’t check that forum for bug reports or something.