luminance-std140 is used at run time in 8 crates (of which 1 optionally). It is a direct run-time dependency in 2 crates. It's used only as a dev dependency in 1 crate.

Depender (with downloads and own rev deps) luminance-std140 version
110 7 luminance-gl ^0.2
2 luminance-webgl ^0.2