Hi, Tom Parker-Shemilt writes: [...] > ==> virtualbox-iso: ./guix/store.scm:1419:15: In procedure loop: > ==> virtualbox-iso: ERROR: > ==> virtualbox-iso: 1. &store-protocol-error: > ==> virtualbox-iso: message: "some substitutes for the outputs > of derivation `/gnu/store/p23y74y51gj4vml3mjlg9swx0gg4k22s-ruby-2.7.7.drv' > failed (usually happens due to networking issues); try `--fallback' to > build derivation from source " > ==> virtualbox-iso: status: 1 > ==> virtualbox-iso: guix pull: error: You found a bug: the program > '/gnu/store/lzinbzm0hxvnz11c4cin1ml9ybhrg7r5-compute-guix-derivation' > ==> virtualbox-iso: failed to compute the derivation for Guix > (version: "8e2f32cee982d42a79e53fc1e9aa7b8ff0514714"; system: > "x86_64-linux"; > ==> virtualbox-iso: host version: "1.4.0"; pull-version: 1). > ==> virtualbox-iso: Please report the COMPLETE output above by email > to . How much memory (RAM) do you have available on the machine? Guix pull consumes close to 2 GiB peak, if I recall correctly. -- Thanks, Maxim