Remove travis setting

Author: kngwyu

.github/workflows/doc.yml

@@ -0,0 +1,34 @@
+name: gh-pages
+
+on:
+  push:
+    branches:
+      - master
+      - remove-travis
+
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    outputs:
+      tag_name: ${{ steps.prepare_tag.outputs.tag_name }}
+    steps:
+      - uses: actions/checkout@v2
+      - name: Build the doc
+        run: |
+          cargo doc --all-features --no-deps
+          echo "<meta http-equiv=refresh content=0;url=pyo3/index.html>" > target/doc/index.html
+
+      - name: Prepare tag
+        id: prepare_tag
+        run: |
+           TAG_NAME="${GITHUB_REF##*/}"
+           echo "::set-output name=tag_name::${TAG_NAME}"
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3.7.0-8
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./target/doc/
+          destination_dir: ${{ steps.prepare_tag.outputs.tag_name }}
+          full_commit_message: 'Upload documentation for ${{ steps.prepare_tag.outputs.tag_name }}'

.github/workflows/test.yml

@@ -3,14 +3,30 @@ name: Test
 on: [push, pull_request]
 
 jobs:
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          profile: minimal
+          components: rustfmt, clippy
+      - run:
+          cargo fmt --all -- check
+          cargo clippy --tests
+          for example in examples/*; do (cd $example/; cargo clippy) || exit 1; done
+
   build:
     name: python${{ matrix.python-version }}-${{ matrix.platform.python-architecture }} ${{ matrix.platform.os }}
     runs-on: ${{ matrix.platform.os }}
     strategy:
       max-parallel: 12
       matrix:
-        python-version: [3.5, 3.6, 3.7, 3.8]
+        python-version: [3.6, 3.7, 3.8, 3.9]
         platform: [
+          { os: "ubuntu-latest", python-architecture: "x64", rust-target: "x86_64-unknown-linux-gnu" },
           { os: "macOS-latest",   python-architecture: "x64", rust-target: "x86_64-apple-darwin" },
           { os: "windows-latest", python-architecture: "x64", rust-target: "x86_64-pc-windows-msvc" },
           { os: "windows-latest", python-architecture: "x86", rust-target: "i686-pc-windows-msvc" },

.travis.yml

@@ -1,6 +1,5 @@
 rust-numpy
 ===========
-[![Build Status](https://travis-ci.org/pyo3/rust-numpy.svg?branch=master)](https://travis-ci.org/pyo3/rust-numpy)
 [![Actions Status](https://github.com/pyo3/rust-numpy/workflows/Test/badge.svg)](https://github.com/pyo3/rust-numpy/actions)
 [![Crate](http://meritbadge.herokuapp.com/numpy)](https://crates.io/crates/numpy)
 [![minimum rustc 1.39](https://img.shields.io/badge/rustc-1.39+-blue.svg)](https://rust-lang.github.io/rfcs/2495-min-rust-version.html)
@@ -14,6 +13,8 @@ Rust bindings for the NumPy C-API
 
 ## Requirements
 - Rust 1.39+
+- Python >= 3.6
+  - Python 3.5 support is dropped from 0.13
 - Some Rust libraries
   - [ndarray](https://github.com/bluss/ndarray) for rust-side matrix library
   - [pyo3](https://github.com/PyO3/pyo3) for cpython binding
@@ -25,10 +26,6 @@ Rust bindings for the NumPy C-API
 Starting from 0.3, rust-numpy migrated from rust-cpython to pyo3.
 If you want to use rust-cpython, use version 0.2.1 from crates.io.
 
-## Supported Python version
-
-Currently 3.5, 3.6, 3.7, and 3.8 are supported.
-
 
 ## Python2 Support
 Version 0.5.0 is the last version that supports Python2.
@@ -43,7 +40,7 @@ features = ["python2"]
 ```
 .
 
-You can also automatically specify python version in [setup.py](examples/simple-extension/setup.py),
+You can also automatically specify python version in `setup.py`,
 using [setuptools-rust](https://github.com/PyO3/setuptools-rust).
 
 
@@ -84,7 +81,7 @@ fn main() -> PyResult<()> {
 
 ### Write a Python module in Rust
 
-Please see the [examples](examples) directory for a complete example
+Please see the [examples](https://github.com/PyO3/rust-numpy/examples) directory for a complete example
 
 ```toml
 [lib]