ustr 1.0.0

Fast, FFI-friendly string interning.
Documentation 
# dist: xenial

language: rust
rust: nightly

matrix:
  fast_finish: true
  include:
  # Miri
    - name: "miri"
      env: TARGET=x86_64-unknown-linux-gnu
      script: sh miri.sh
  # Tier 1 targets:
    - name: "x86_64-unknown-linux-gnu"
      env: TARGET=x86_64-unknown-linux-gnu
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
    - name: "x86_64-unknown-linux-gnu (beta)"
      rust: beta
      env: TARGET=x86_64-unknown-linux-gnu
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
    - name: "x86_64-unknown-linux-gnu (stable)"
      rust: stable
      env: TARGET=x86_64-unknown-linux-gnu
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
    - name: "i686-unknown-linux-gnu"
      env: TARGET=i686-unknown-linux-gnu CROSS=1
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
    - name: "x86_64-apple-darwin-10.3"
      env: TARGET=x86_64-apple-darwin
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
      os: osx
      osx_image: xcode10.3
    - name: "x86_64-apple-darwin-11.2"
      env: TARGET=x86_64-apple-darwin
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
      os: osx
      osx_image: xcode11.2
    - name: "x86_64-pc-windows-msvc"
      env: TARGET=x86_64-pc-windows-msvc
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde
      os: windows
    - name: "x86_64-pc-windows-gnu"
      env: TARGET=x86_64-pc-windows-gnu CROSS=1
      script: env RUST_TEST_THREADS=1 cargo test --verbose --all --features=serde