error while loading shared libraries: libOpenImageIO.so.2.2
aur/openimageio-git spi.Arn3.6.72.1.r1065.g6a368f469-1 [installed: spi.Arn3.6.72.1.r1077.gb187908e5-1] (0, 0.00)
A library for reading and writing images, including classes, utilities, and applications
looks like your local copy of oslc is linked against libOpenImageIO.so.2.2 which cannot be found, not a whole lot we can do about that on the blender side beyond suggesting you build without osl support ( -DWITH_CYCLES_OSL=Off )