testdata/main.go|20 col 6| unused1 is unused (deadcode)
testdata/main.go|15 col 9| Error return value of os.Open is not checked (errcheck)
testdata/main.go|17 col 13| Error return value of os.ReadFile is not checked (errcheck)
testdata/main.go|21| File is not gofumpt-ed (gofumpt)
testdata/main.go|23| File is not gofumpt-ed (gofumpt)
testdata/main.go|1 col 1| should have a package comment, unless it's in another file for this package (golint)
testdata/main.go|8 col 1| exported function Main should have comment or be unexported (golint)
testdata/main.go|12 col 2| should replace x += 1 with x++ (golint)
testdata/main.go|9 col 6| langauge is a misspelling of language (misspell)
testdata/main.go|13 col 2| only cuddled expressions if assigning variable or using from line above (wsl)
testdata/main.go|24 col 1| block should not end with a whitespace (or comment) (wsl)