Partial build log
this derivation will be built:
/nix/store/vva0cjvz77y29vhfkqb0s0w9fifnhn2f-source.drv
building '/nix/store/sswy2yzwgn5gjvn7r0nfmfj2a5y0143p-source.drv'...
source> trying https://bitbucket.org/libtcod/libtcod/get/1.5.1.tar.gz
source> % Total % Received % Xferd Average Speed Time Time Time Current
source> Dload Upload Total Spent Left Speed
source> 0 174 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/sha256/1ibsnmnim712npxkqklc5ibnd32hgsx2yzyfzzc5fis5mhinbl63:
source> curl: (37) Couldn't open file /dev/null/sha256/1ibsnmnim712npxkqklc5ibnd32hgsx2yzyfzzc5fis5mhinbl63
source> error: cannot download source from any mirror
error: builder for '/nix/store/sswy2yzwgn5gjvn7r0nfmfj2a5y0143p-source.drv' failed with exit code 1
error: