yarn-error.log

Arguments: 
  /usr/bin/node /usr/share/yarn/bin/yarn.js config list

PATH: 
  =/mnt/oldhome/desenvolvimento/flutter/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin

Yarn version: 
  1.19.1

Node version: 
  10.16.3

Platform: 
  linux x64

Trace: 
  SyntaxError: Unknown token: { line: 3, col: 18, type: 'COLON', value: undefined } 3:18 in /home/usuario/.yarnrc
      at Parser.unexpected (/usr/share/yarn/lib/cli.js:64293:11)
      at Parser.parse (/usr/share/yarn/lib/cli.js:64424:14)
      at parse (/usr/share/yarn/lib/cli.js:64496:19)
      at module.exports.exports.default (/usr/share/yarn/lib/cli.js:64060:96)
      at YarnRegistry.<anonymous> (/usr/share/yarn/lib/cli.js:96129:64)
      at Generator.next (<anonymous>)
      at step (/usr/share/yarn/lib/cli.js:304:30)
      at /usr/share/yarn/lib/cli.js:315:13

npm manifest: 
  No manifest

yarn manifest: 
  No manifest

Lockfile: 
  No lockfile