Partial build log
this derivation will be built:
/nix/store/qgd77kg85h7q7aax9mgmq19a3a5k6v5v-source.drv
building '/nix/store/n2axakjpkghn8y01fgvd6qnysbbaddd5-source.drv'...
source> exporting https://github.com/scipr-lab/libsnark.git (rev 9e6b19ff15bc19fba5da1707ba18e7f160e5ed07) into /nix/store/nd25pcg6vdyb6lpi5hmv2c0kbwslh69a-source
source> Initialized empty Git repository in /nix/store/nd25pcg6vdyb6lpi5hmv2c0kbwslh69a-source/.git/
source> remote: Enumerating objects: 476, done.
source> remote: Counting objects: 100% (476/476), done.
source> remote: Compressing objects: 100% (416/416), done.
source> remote: Total 476 (delta 147), reused 165 (delta 51), pack-reused 0
source> Receiving objects: 100% (476/476), 457.79 KiB | 4.87 MiB/s, done.
source> Resolving deltas: 100% (147/147), done.
source> From https://github.com/scipr-lab/libsnark
source> * branch 9e6b19ff15bc19fba5da1707ba18e7f160e5ed07 -> FETCH_HEAD
source> Switched to a new branch 'fetchgit'
source> Submodule 'depends/ate-pairing' (git://github.com/herumi/ate-pairing.git) registered for path 'depends/ate-pairing'
source> Submodule 'depends/gtest' (git://github.com/google/googletest.git) registered for path 'depends/gtest'
source> Submodule 'depends/libff' (https://github.com/scipr-lab/libff.git) registered for path 'depends/libff'
source> Submodule 'depends/libfqfft' (https://github.com/scipr-lab/libfqfft.git) registered for path 'depends/libfqfft'
source> Submodule 'depends/libsnark-supercop' (git://github.com/mbbarbosa/libsnark-supercop.git) registered for path 'depends/libsnark-supercop'
source> Submodule 'depends/xbyak' (git://github.com/herumi/xbyak.git) registered for path 'depends/xbyak'
source> Initialized empty Git repository in /nix/store/nd25pcg6vdyb6lpi5hmv2c0kbwslh69a-source/depends/ate-pairing/.git/
source> fatal: unable to connect to github.com:
source> github.com[0: 140.82.121.3]: errno=Connection timed out
source> fatal: unable to connect to github.com:
source> github.com[0: 140.82.121.4]: errno=Connection timed out
error: building of '/nix/store/n2axakjpkghn8y01fgvd6qnysbbaddd5-source.drv!*' from .drv file timed out after 300 seconds
error: