X `go mod vendor`

wcfs/vendor/lab.nexedi.com/kirr/go123/xruntime/race/race_norace.go

-// Copyright (C) 2018-2020  Nexedi SA and Contributors.
-//                          Kirill Smelkov <kirr@nexedi.com>
-//
-// This program is free software: you can Use, Study, Modify and Redistribute
-// it under the terms of the GNU General Public License version 3, or (at your
-// option) any later version, as published by the Free Software Foundation.
-//
-// You can also Link and Combine this program with other software covered by
-// the terms of any of the Free Software licenses or any of the Open Source
-// Initiative approved licenses and Convey the resulting work. Corresponding
-// source of such a combination shall include the source code for all other
-// software used.
-//
-// This program is distributed WITHOUT ANY WARRANTY; without even the implied
-// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-//
-// See COPYING file for full licensing terms.
-// See https://www.nexedi.com/licensing for rationale and options.
-
-// +build !race
-
-// Package race complements standard package runtime/race.
-package race
-
-// Enabled indicates whether program was built with race detector enabled or not.
-const Enabled = false

wcfs/vendor/lab.nexedi.com/kirr/go123/xruntime/race/race_race.go

-// Copyright (C) 2018-2020  Nexedi SA and Contributors.
-//                          Kirill Smelkov <kirr@nexedi.com>
-//
-// This program is free software: you can Use, Study, Modify and Redistribute
-// it under the terms of the GNU General Public License version 3, or (at your
-// option) any later version, as published by the Free Software Foundation.
-//
-// You can also Link and Combine this program with other software covered by
-// the terms of any of the Free Software licenses or any of the Open Source
-// Initiative approved licenses and Convey the resulting work. Corresponding
-// source of such a combination shall include the source code for all other
-// software used.
-//
-// This program is distributed WITHOUT ANY WARRANTY; without even the implied
-// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-//
-// See COPYING file for full licensing terms.
-// See https://www.nexedi.com/licensing for rationale and options.
-
-// +build race
-
-package race
-
-const Enabled = true

wcfs/vendor/modules.txt

@@ -69,7 +69,6 @@ lab.nexedi.com/kirr/go123/xio
 lab.nexedi.com/kirr/go123/xmath
 lab.nexedi.com/kirr/go123/xnet
 lab.nexedi.com/kirr/go123/xruntime
-lab.nexedi.com/kirr/go123/xruntime/race
 lab.nexedi.com/kirr/go123/xstrings
 lab.nexedi.com/kirr/go123/xsync
 # lab.nexedi.com/kirr/neo/go v0.0.0-20201012044742-28494187df87