Partial build log
this derivation will be built:
/nix/store/9a4cjksvn44r865xsrjlq9i7p9caxmx2-source.drv
building '/nix/store/r4hycxnha04mdpfbk7kql1gmj5d59fxq-source.drv'...
source> exporting https://github.com/x42/avldrums.lv2.git (rev v0.4.2) into /nix/store/wwj5xzamqn5xbk6mx1mcpk62hb43g8qa-source
source> Initialized empty Git repository in /nix/store/wwj5xzamqn5xbk6mx1mcpk62hb43g8qa-source/.git/
source> remote: Enumerating objects: 114, done.
source> remote: Counting objects: 100% (114/114), done.
source> remote: Compressing objects: 100% (112/112), done.
source> remote: Total 114 (delta 4), reused 51 (delta 1), pack-reused 0
source> Receiving objects: 100% (114/114), 33.50 MiB | 9.05 MiB/s, done.
source> Resolving deltas: 100% (4/4), done.
source> From https://github.com/x42/avldrums.lv2
source> * tag v0.4.2 -> FETCH_HEAD
source> Switched to a new branch 'fetchgit'
source> Submodule 'robtk' (git://github.com/x42/robtk) registered for path 'robtk'
source> Initialized empty Git repository in /nix/store/wwj5xzamqn5xbk6mx1mcpk62hb43g8qa-source/robtk/.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/r4hycxnha04mdpfbk7kql1gmj5d59fxq-source.drv!*' from .drv file timed out after 300 seconds
error: