language: rust
rust:
  - nightly
cache:
  cargo: true
  timeout: 900
sudo: required
dist: trusty

language: rust
rust:
  - nightly-2018-06-01
cache:
  cargo: true
  timeout: 900
sudo: required
dist: trusty

Use nightly Rust from 2018-06-01 to fix error
Use nightly Rust from 2018-06-01 to fix error
