The project scrotwm was renamed to spectrwm. Version 1.0.0 was released. Reproducible: Always
FTR https://opensource.conformal.com/pipermail/scrotwm-commits/2012-February/000233.html
I've added x11-wm/spectrwm and masked x11-wm/scrotwm. Please remove scrotwm before installing spectrwm to avoid file a collision, there's a symlink /usr/bin/scrotwm -> /usr/bin/spectrwm. Thanks for the report.