Version :5ae8c77adec6b64a53ed10c3505263380205321d $ guix import crate racer
--8<---------------cut here---------------start------------->8--- Backtrace: 5 (primitive-load "/gnu/store/nxdxbad50ydp1nhmgzvlwbk0jkk…") In guix/ui.scm: 1474:12 4 (run-guix-command _ . _) In guix/scripts/import.scm: 114:11 3 (guix-import . _) In guix/scripts/import/crate.scm: 86:19 2 (guix-import-crate . _) In guix/import/crate.scm: 49:30 1 (crate-fetch _ #<procedure make-crate-sexp (#:key name …>) In unknown file: 0 (string-split #f #\/) ERROR: In procedure string-split: ERROR: In procedure string-split: Wrong type argument in position 1 (expecting string): #f -8<---------------cut here---------------end--------------->8--- It seems not many people would try to use guix with rust. :( If I could get geiser working in next few weeks, I might be able to help finding some clues.