Upgrade to zmq2

.github/dependabot.yml

@@ -0,0 +1,9 @@
+version: 2
+updates:
+- package-ecosystem: cargo
+  directory: "/"
+  schedule:
+    interval: weekly
+  open-pull-requests-limit: 10
+  allow:
+  - dependency-type: all

.github/workflows/ci.yaml

@@ -0,0 +1,55 @@
+on: [push, pull_request]
+
+name: Continuous integration
+
+jobs:
+  build:
+    name: Build
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        rust: [stable]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - name: Cargo build
+        uses: actions-rs/cargo@v1
+        with:
+          command: build
+          args: --workspace --all-targets
+  test:
+    name: Test
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        rust: [stable]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: ${{ matrix.rust }}
+          override: true
+      - name: Cargo test
+        uses: actions-rs/cargo@v1
+        with:
+          command: test
+          args: --workspace --all-targets
+  lint:
+    name: Lint
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+        rust: [stable]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Cargo clippy
+        uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: --workspace --all-targets -- -D warnings

Cargo.toml

@@ -1,9 +1,10 @@
 [package]
 name = "zmq"
-version = "0.9.2"
+version = "0.10.0"
 authors = [
     "[email protected]",
     "[email protected]",
+    "[email protected]",
 ]
 license = "MIT/Apache-2.0"
 description = "High-level bindings to the zeromq library"
@@ -15,30 +16,27 @@ build = "build.rs"
 edition = "2018"
 
 [badges]
-maintenance = { status = "passively-maintained" }
-travis-ci = { repository = "erickt/rust-zmq" }
-appveyor = { repository = "erickt/rust-zmq" }
+maintenance = { status = "actively-maintained" }
 
 [features]
 default = ["zmq_has"]
 # zmq_has was added in zeromq 4.1. As we now require 4.1 or newer,
 # this feature is a no-op and only present for backward-compatibility;
 # it will be removed in the next API-breaking release.
 zmq_has = []
-vendored = ['zmq-sys/vendored']
 
 [dependencies]
 bitflags = "1.0"
 libc = "0.2.15"
-zmq-sys = { version = "0.11.0", path = "zmq-sys" }
+zmq-sys = { version = "0.12.0", path = "zmq-sys" }
 
 [dev-dependencies]
-trybuild = "*" # { version = "0.4.0", features = ["stable"] }
-env_logger = { version = "0.7", default-features = false }
+trybuild = { version = "1" }
+env_logger = { version = "0.9", default-features = false }
 log = "0.4.3"
-nix = "0.16"
-quickcheck = "0.9"
-rand = "0.7"
+nix = "0.23"
+quickcheck = "1"
+rand = "0.8"
 tempfile = "3"
 timebomb = "0.1.2"