Found valid signature for /gnu/store/7nfjg3f2c4s0jpz3vqh3iqdn9j1c3prq-perl-5.22.1
From https://mirror.hydra.gnu.org/nar/7nfjg3f2c4s0jpz3vqh3iqdn9j1c3prq-perl-5.22.1
Downloading 7nfjg3…-perl-5.22.1 (49.7MiB installed)...
 perl-5.22.1                                                                                                              3.7MiB/s 00:04 | 15.2MiB transferred
guix package: error: build failed: unexpected EOF reading a line