=== RUN   TestConnCloseOnRestart
==================
WARNING: DATA RACE
Read at 0x00c00a2d7eb0 by goroutine 11372:
  github.com/syncthing/syncthing/lib/protocol.(*rawConnection).internalClose.func1()
      /home/runner/work/syncthing/syncthing/lib/protocol/protocol.go:982 +0x8ca
  sync.(*Once).doSlow()
      /opt/hostedtoolcache/go/1.20.8/x64/src/sync/once.go:74 +0x101
  sync.(*Once).Do()
      /opt/hostedtoolcache/go/1.20.8/x64/src/sync/once.go:65 +0x46
  github.com/syncthing/syncthing/lib/protocol.(*rawConnection).internalClose()
      /home/runner/work/syncthing/syncthing/lib/protocol/protocol.go:966 +0x74
  github.com/syncthing/syncthing/lib/protocol.(*rawConnection).Close.func2()
      /home/runner/work/syncthing/syncthing/lib/protocol/protocol.go:961 +0x58

Previous write at 0x00c00a2d7eb0 by goroutine 11328:
  github.com/syncthing/syncthing/lib/protocol.(*rawConnection).Start()
      /home/runner/work/syncthing/syncthing/lib/protocol/protocol.go:320 +0x2cc
  github.com/syncthing/syncthing/lib/protocol.encryptedConnection.Start()
      /home/runner/work/syncthing/syncthing/lib/protocol/encryption.go:181 +0x70
  github.com/syncthing/syncthing/lib/protocol.(*encryptedConnection).Start()
      <autogenerated>:1 +0x25
  github.com/syncthing/syncthing/lib/protocol.(*wireFormatConnection).Start()
      <autogenerated>:1 +0x4c
  github.com/syncthing/syncthing/lib/model.(*model).promoteConnections()
      /home/runner/work/syncthing/syncthing/lib/model/model.go:2426 +0x863
  github.com/syncthing/syncthing/lib/model.(*model).serve()
      /home/runner/work/syncthing/syncthing/lib/model/model.go:288 +0x418
  github.com/syncthing/syncthing/lib/model.(*model).serve-fm()
      <autogenerated>:1 +0x4d
  github.com/syncthing/syncthing/lib/svcutil.(*service).Serve()
      /home/runner/work/syncthing/syncthing/lib/svcutil/svcutil.go:130 +0xed
  github.com/thejerf/suture/v4.(*Supervisor).runService.func2()
      /home/runner/go/pkg/mod/github.com/thejerf/suture/v4@v4.0.2/supervisor.go:565 +0x1c8

Goroutine 11372 (running) created at:
  github.com/syncthing/syncthing/lib/protocol.(*rawConnection).Close()
      /home/runner/work/syncthing/syncthing/lib/protocol/protocol.go:961 +0x12a
  github.com/syncthing/syncthing/lib/protocol.encryptedConnection.Close()
      /home/runner/work/syncthing/syncthing/lib/protocol/encryption.go:254 +0x8b
  github.com/syncthing/syncthing/lib/protocol.(*encryptedConnection).Close()
      <autogenerated>:1 +0x29
  github.com/syncthing/syncthing/lib/protocol.(*wireFormatConnection).Close()
      <autogenerated>:1 +0x63
  github.com/syncthing/syncthing/lib/model.(*model).CommitConfiguration.func2()
      /home/runner/work/syncthing/syncthing/lib/model/model.go:3123 +0x67

Goroutine 11328 (running) created at:
  github.com/thejerf/suture/v4.(*Supervisor).runService()
      /home/runner/go/pkg/mod/github.com/thejerf/suture/v4@v4.0.2/supervisor.go:539 +0x32c
  github.com/thejerf/suture/v4.(*Supervisor).Serve()
      /home/runner/go/pkg/mod/github.com/thejerf/suture/v4@v4.0.2/supervisor.go:348 +0x409
  github.com/syncthing/syncthing/lib/model.(*testModel).ServeBackground.func1()
      /home/runner/work/syncthing/syncthing/lib/model/testutils_test.go:171 +0x73
==================
    testing.go:1446: race detected during execution of test
--- FAIL: TestConnCloseOnRestart (0.03s)