Took betterthirdperson, feytweaks, and beenfo, out of the servers mods folder, the server doesn't straight up crash, it just says "failed to start the Minecraft server" and then just stops making any progress in console.
https://gist.github.com/SilasLeigh/951754dd5b1151fae8ec242961521363#file-console-txt
this is what's seen in console ^
debug.log again
https://gist.github.com/SilasLeigh/a3c0d1f86229bed28ddb0345e10636f1
latest.log again
https://gist.github.com/SilasLeigh/4579e4d16492decf2584c93b7688052b