Could be caused by our older 10.10.5 CoreFoundation.
go/src/github.com/ethereum/go-ethereum/vendor/github.com/rjeczalik/notify/watcher_fsevents_cgo.go:51:216:
cannot use nil as type _Ctype_CFAllocatorRef in argument to func literal
go/src/github.com/ethereum/go-ethereum/vendor/github.com/rjeczalik/notify/watcher_fsevents_cgo.go:162:47:
cannot use nil as type _Ctype_CFAllocatorRef in argument to
_Cfunc_CFStringCreateWithCStringNoCopy
go/src/github.com/ethereum/go-ethereum/vendor/github.com/rjeczalik/notify/watcher_fsevents_cgo.go:163:225:
cannot use nil as type _Ctype_CFAllocatorRef in argument to func literal
/cc ZHF #45961