Built wheels cache never hit

[frostming]

• I have searched the issue tracker and believe that this is not a duplicate.

Make sure you run commands with -v flag before pasting the output.

Steps to reproduce

$ pdm add pyrsistent

Then reinstall it:

$ rm -rf __pypackages__ && pdm install

Actual behavior

The wheels are built twice

Expected behavior

Should reuse the built wheel in the first step.

Environment Information

# Paste the output of `pdm info && pdm info --env` below:

[songololo]

Curious if this is still an issue, I'm noticing on my system that pyrsistent is taking ages to resolve each time I try to add a package via PDM.