• NPM version (npm -v):
  6.11.3
• Node version (node -v):
  v10.17.0
• Node Process (node -p process.versions):

  node: '10.17.0',
  v8: '6.8.275.32-node.54',
  uv: '1.28.0',
  zlib: '1.2.11',
  brotli: '1.0.7',
  ares: '1.15.0',
  modules: '64',
  nghttp2: '1.39.2',
  napi: '5',
  openssl: '1.1.1d',
  icu: '64.2',
  unicode: '12.1',
  cldr: '35.1',
  tz: '2019a' }

• Node Platform (node -p process.platform):
  darwin
• Node architecture (node -p process.arch):
  x64
• node-sass version (node -p "require('node-sass').info"):
  node-sass 4.13.1 (Wrapper) [JavaScript]
  libsass 3.5.4 (Sass Compiler) [C/C++]
• npm node-sass versions (npm ls node-sass):
  [email protected]

When i run npm ci with --cache option node-sass seems ignore it, because it starts to download binary. But after downloading it put binary by path, that provided in --cache path.