> grpc@1.25.0-dev install /Volumes/BuildData/tmpfs/src/github/grpc/grpc-node/packages/grpc-native-core
> node-pre-gyp install --fallback-to-build --library=static_library

npm WARN gts@0.5.4 requires a peer of typescript@^2.6.1 but none is installed. You must install peer dependencies yourself.

npm ERR! code ENOENT
npm ERR! syscall lchown
npm ERR! path /Users/kbuilder/.npm/_locks/staging-85077874ff9f9636.lock
npm ERR! errno -2
npm ERR! enoent ENOENT: no such file or directory, lchown '/Users/kbuilder/.npm/_locks/staging-85077874ff9f9636.lock'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent
audited 370 packages in 2.821s
found 14 moderate severity vulnerabilities
  run `npm audit fix` to fix them, or `npm audit` for details
[13:02:56] Finished 'install' after 3.91 s

npm ERR! A complete log of this run can be found in:
npm ERR!     /Users/kbuilder/.npm/_logs/2019-10-09T20_02_56_110Z-debug.log
[13:02:56] 'install' errored after 4.05 s
[13:02:56] Error: exited with error code: 254
    at ChildProcess.onexit (/Volumes/BuildData/tmpfs/src/github/grpc/grpc-node/node_modules/end-of-stream/index.js:40:36)
    at ChildProcess.emit (events.js:215:7)
    at ChildProcess.EventEmitter.emit (domain.js:499:23)
    at Process.ChildProcess._handle.onexit (internal/child_process.js:272:12)
[13:02:56] 'setup' errored after 4.05 s
[13:02:56] The following tasks did not complete: <anonymous>, install, <series>, runInstall
[13:02:56] Did you forget to signal async completion?