a issue of "make build "

[m1zzx2]

Bug Report

What did you do?

1. git clone git@github.com:tikv/pd.git
2. cd pd
3. make build

What did you expect to see?

build successful and out binary file

What did you see instead?

go mod tidy
go: downloading github.com/oleiade/reflections v1.0.0
verifying github.com/oleiade/reflections@v1.0.0: checksum mismatch
downloaded: h1:YqQJE7y6ZN2gjfHy+FiAcghC04n/nHmFsWqb3k8D0qA=
go.sum: h1:0ir4pc6v8/PJ0yw5AEtMddfXpWBXg9cnG7SgSoJuCgY=

SECURITY ERROR
This download does NOT match an earlier download recorded in go.sum.
The bits may have been replaced on the origin server, or an attacker may
have intercepted the download attempt.

What version of PD are you using (pd-server -V)?

master code
go version is go1.15.6

[m1zzx2]

This is a problem of dependency of oleiade/reflections#14

I use this script “export GOSUMDB=off && go clean -modcache && rm go.sum && go mod tidy” to solve it