gnu% guix package -i zsh
The following package will be installed:
   zsh 5.8.1

The following derivation will be built:
  /gnu/store/svnkrgbwbjdlcsfw8cl7rvs7wr4prrbl-profile.drv

guix package: error: while setting up the build environment: creating directory `/gnu/store/3q9czsy45irw6ac3lis6cnf0rghk8lwp-ca-certificate-bundle.drv.chroot/gnu/store/yzlp9vn2k1sc6bns8qsfqg2bq563gdgp-openh264-2.3.0': No space left on device