Error package constraints is not in GOROOT in setup-go v3 with go version 1.18

Description: I’m trying to run GitHub Actions after updating repo to Go 1.18 version and setup-go to v3 and it’s go version to 1.18, also updated checkout to @v3 in context of compatibility - the error https://github.com/arthurkushman/pgo/runs/5618443803?check_suite_focus=true

Action version: v3

Platform:

• Ubuntu

Runner type:

• Hosted

Tools version: 1.18, also tried 1.18.0

Repro steps:
Any push to repo - https://github.com/arthurkushman/pgo

Expected behavior: Project’s GitHub Actions https://github.com/arthurkushman/pgo runs successfully with setup-go without an error

constraints: package constraints is not in GOROOT (/opt/hostedtoolcache/go/1.18.0/x64/src/constraints)

Actual behavior: An error occurred while running the project with setup-go https://github.com/arthurkushman/pgo in GitHubActions

constraints: package constraints is not in GOROOT (/opt/hostedtoolcache/go/1.18.0/x64/src/constraints)

[marko-zivic-93]

Hey @arthurkushman! Thank you very much for reporting this issue! We will take a look at it and provide you with a response as soon as possible.

[arthurkushman]

It seems like in Go 1.18.0 no constraints package nor comparable type constraints works like expected though promised by Go team and community, probably they just changed behaviors of those in the last moment right before release of 1.18.0, but everything worked in 1.18beta1 which makes me think of as totally insane behavior (Moreover there are doc pages like - https://pkg.go.dev/golang.org/x/exp/constraints#Ordered) 🤷🏻‍♂️

PS then ok - we can close this bug issue relative to setup-go thx and sorry for your time 👌🏻