Partial build log
this derivation will be built:
/nix/store/vfyskr7mxavjnin8nasxi8ysqy9a1rj0-async-2.2.4.tar.gz.drv
building '/nix/store/vfyskr7mxavjnin8nasxi8ysqy9a1rj0-async-2.2.4.tar.gz.drv'...
async> trying https://hackage.haskell.org/package/async-2.2.4.tar.gz
async> % Total % Received % Xferd Average Speed Time Time Time Current
async> Dload Upload Total Spent Left Speed
async> 0 0 0 0 0 0 0 0 --:--:-- --:--:-- --:--:-- 0
async> 100 14148 100 14148 0 0 79325 0 --:--:-- --:--:-- --:--:-- 79325