Backtrace:
           2 (primitive-load "/gnu/store/873dcl8s246j3whcgwilwvg0sbp…")
In ice-9/eval.scm:
    619:8  1 (_ #f)
In ice-9/ftw.scm:
   469:34  0 (loop _ _ #(66305 704813 16749 10 0 0 0 4096 # 1 # # …) …)

ice-9/ftw.scm:469:34: In procedure loop:
In procedure mkdir: No space left on device