From http://cran.r-project.org/src/contrib/SuppDists_1.1-9.5.tar.gz...
downloading from http://cran.r-project.org/src/contrib/SuppDists_1.1-9.5.tar.gz ...
 SuppDists_1.1-9.5.tar.gz  138KiB                                                                                  502.0MiB/s 00:00 [##################] 100.0%
sha256 hash mismatch for /gnu/store/2rrhniq5xfab0ba80g845fbs82l66vbr-SuppDists_1.1-9.5.tar.gz:
  expected hash: 01j6p94m1g363nph2158fq2rmd6z3h5dvcv6aidh2d6syw131xak
  actual hash:   1i3iq12a5x5k49ac01mikzcrrq9gc148xq3m08h4xm07bha6f2v8
hash mismatch for store item '/gnu/store/2rrhniq5xfab0ba80g845fbs82l66vbr-SuppDists_1.1-9.5.tar.gz'
build of /gnu/store/j4kyq3knjjin3s1gn8vc4hfd61gw1c2g-SuppDists_1.1-9.5.tar.gz.drv failed
View build log at '/var/log/guix/drvs/j4/kyq3knjjin3s1gn8vc4hfd61gw1c2g-SuppDists_1.1-9.5.tar.gz.drv.bz2'.
cannot build derivation `/gnu/store/cqmqlsdw67hbhjvplh56b649c8w74lv7-r-suppdists-1.1-9.5.drv': 1 dependencies couldn't be built