The pre-built option #1 is extreamly outdated

[rodrigomelo9]

https://github.com/open-tool-forge/fpga-toolchain points to https://github.com/YosysHQ/fpga-toolchain, which was archived on Nov 2021.

[rjordans]

That should probably point to https://github.com/YosysHQ/oss-cad-suite-build nowadays as that does seem to be actively maintained