fs2 0.4.3

Cross-platform file locks and file duplication.
Documentation
language: rust

rust:
- 1.8.0
- stable
- nightly

os:
  - linux
  - osx

env:
  matrix:
    - ARCH=x86_64
    - ARCH=i686

script:
  - cargo build --verbose
  - if [[ $TRAVIS_RUST_VERSION = nightly* ]]; then
      env RUST_BACKTRACE=1 cargo test -v;
    fi