Partial build log
this derivation will be built:
/nix/store/21myhf3890062p0nxpmpjjbm19gzb7ka-source.drv
building '/nix/store/mmyiz25dmazsbnsfvf0qzg5318idk66q-source.drv'...
source> exporting https://github.com/shogun-toolbox/shogun.git (rev shogun_6.1.4) into /nix/store/2f8i77s48xx9zr1d8idj6q5g4mynahws-source
source> Initialized empty Git repository in /nix/store/2f8i77s48xx9zr1d8idj6q5g4mynahws-source/.git/
source> remote: Enumerating objects: 3140, done.
source> remote: Counting objects: 100% (3140/3140), done.
source> remote: Compressing objects: 100% (2787/2787), done.
source> remote: Total 3140 (delta 757), reused 888 (delta 309), pack-reused 0
source> Receiving objects: 100% (3140/3140), 3.79 MiB | 10.41 MiB/s, done.
source> Resolving deltas: 100% (757/757), done.
source> From https://github.com/shogun-toolbox/shogun
source> * tag shogun_6.1.4 -> FETCH_HEAD
source> Switched to a new branch 'fetchgit'
source> Submodule 'data' (git://github.com/shogun-toolbox/shogun-data.git) registered for path 'data'
source> Submodule 'debian' (git://github.com/shogun-toolbox/shogun-debian.git) registered for path 'debian'
source> Submodule 'gpl' (git://github.com/shogun-toolbox/shogun-gpl.git) registered for path 'src/gpl'
source> Initialized empty Git repository in /nix/store/2f8i77s48xx9zr1d8idj6q5g4mynahws-source/data/.git/
source> fatal: unable to connect to github.com:
source> github.com[0: 140.82.121.4]: 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/mmyiz25dmazsbnsfvf0qzg5318idk66q-source.drv!*' from .drv file timed out after 300 seconds
error: