Partial build log
this derivation will be built:
/nix/store/y3ib94wigx160qzixdkfxlb56xbv0c6y-source.drv
building '/nix/store/gziwpk9magylfh3bxm8sksxnf2jnvhmj-source.drv'...
source> trying https://github.com/emanspeaks/pyls-flake8/archive/v{version}.tar.gz
source> % Total % Received % Xferd Average Speed Time Time Time Current
source> Dload Upload Total Spent Left Speed
source> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
source> 0 14 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
source> curl: (22) The requested URL returned error: 404
source> error checking the existence of file:///dev/null/sha256/14wkmwh8mqr826vdzxhvhdwrnx2akzmnbv3ar391qs4imwqfjx3l:
source> curl: (37) Couldn't open file /dev/null/sha256/14wkmwh8mqr826vdzxhvhdwrnx2akzmnbv3ar391qs4imwqfjx3l
source> error: cannot download source from any mirror
error: builder for '/nix/store/gziwpk9magylfh3bxm8sksxnf2jnvhmj-source.drv' failed with exit code 1
error: