efm install

[mjcc30]

Hello,
i got this when i want to use LspInstall efm
i don't know if it's a warning or an error

if this could help :
go: downloading github.com/mattn/efm-langserver v0.0.36
go: downloading github.com/sourcegraph/jsonrpc2 v0.0.0-20191222043438-96c4efab7ee2
go: downloading gopkg.in/yaml.v3 v3.0.0-20200121175148-a6ecf24a6d71
go: downloading github.com/mattn/go-unicodeclass v0.0.1
go: downloading github.com/reviewdog/errorformat v0.0.0-20200502163639-f5b5a3cb8aed
go get: installing executables with 'go get' in module mode is deprecated.
Use 'go install pkg@version' instead.
For more information, see https://golang.org/doc/go-get-install-deprecation
or run 'go help get' or 'go help install'.

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