log_64 is used at run time in 5 crates.

Depender (with downloads and own rev deps) log_64 version
1 gui_64 ^0.1.0
1 sdl_64 ^0.1.0
3 math_64 ^0.1.0
project_64 ^0.1.0
3 gfx_64 ^0.1.0