File on launchpad.net not found

[laytya]

--2020-09-23 03:10:23-- https://launchpad.net/~ubuntu-toolchain-r/+archive/ubuntu/test/+build/14981774/+files/gcc-8-base_8.1.0-5ubuntu1~14.04_amd64.deb
Resolving launchpad.net (launchpad.net)... 91.189.89.222, 91.189.89.223, 2001:67c:1560:8003::8004, ...
Connecting to launchpad.net (launchpad.net)|91.189.89.222|:443... connected.
HTTP request sent, awaiting response... 404 Not Found
2020-09-23 03:10:24 ERROR 404: Not Found.

[cynixx3]

Which miner are you trying to install?

[laytya]

xmrig
xmrig-amd
same error....

and after install - xmrig not working - asking some missing libs