    testing.go:1617: race detected during execution of test
--- FAIL: TestPackagesStrconv (0.00s)
    testing.go:1617: race detected during execution of test
FAIL
FAIL	github.com/mattn/anko/vm	0.017s
FAIL
 M ast/stmt.go
 M env/env.go
 M env/envValues.go
 M parser/parser.go
 M parser/parser.go.y
 M vm/vm.go
 M vm/vmLetExpr.go
 M vm/vmStmt.go
?? env/envTypedBindings.go
?? env/envTypedBindings_test.go
?? vm/vmTypedBindings_test.go
