* Update to latest x/tools (2020/01/19).
Fixes#893
* Initialize vet analyzers as unexportd global vars.
Fixes#915
* Support testing Go 1.14beta1.
* ci: reset go.mod and go.sum before generated diff check
* Update to latest x/tools (2020/02/04)
Co-authored-by: Aleksandr Razumov <ar@gortc.io>
Significantly improve CPU and memory usage when not using SSA-powered linters.
Improve readability of go/packages errors.
Improve debugging capabilities and write doc about debugging.