These files are available for i3-wm-dbg 4.20.1-1+g4.20-87-gb17117191:

Architecture Distributions Size
amd64
i3-wm-dbg_4.20.1-1+g4.20-87-gb17117191_amd64.deb 		all 1.0 MB
i386
i3-wm-dbg_4.20.1-1+g4.20-87-gb17117191_i386.deb 		all 927.4 KB
Date