Hello there, I am porting ocl-icd to guix, see the package here: https://github.com/Brainiarc7/guix-bioinformatics/blob/master/gn/packages/ocl-icd.scm I'm getting bugged by this error everytime I call the build as such from a dev setup: env TEMPDIR=/gnu/tmp GUIX_PACKAGE_PATH=../guix-bioinformatics ./pre-inst-env guix build -K ocl-icd Error encountered: guix build: error: build failed: error parsing derivation `/gnu/store/7f9hwk8v9vzghc93m93y94iibvcc3mvd-ruby-2.3.0.tar.xz.drv': expected string `Derive([' The same also happens when I attempt to install any ruby related utilities: guix package -p ~/opt/guix-build-system -i ruby-yard warning: failed to install locale: Invalid argument guix package: error: build failed: error parsing derivation `/gnu/store/7f9hwk8v9vzghc93m93y94iibvcc3mvd-ruby-2.3.0.tar.xz.drv': expected string `Derive([' A bug, perhaps? Regards, Dennis.