Modernize CI (#311)

Switches our CI from Travis-CI to Github Actions. At the same time this also turns on clippy and rustfmt linting.

.github/workflows/rust.yml

@@ -0,0 +1,95 @@
+name: CI
+
+on:
+  push:
+    branches: [ master ]
+  pull_request:
+    branches: [ master ]
+
+jobs:
+  check:
+    name: Check
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly
+          - 1.18.0  # MSRV
+
+    steps:
+      - uses: actions/checkout@v2
+        name: Checkout
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+        name: Install Rust ${{ matrix.rust }}
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+        name: Run `cargo check`
+      
+      - uses: actions-rs/cargo@v1
+        with:
+          command: check
+          args: --examples
+        name: Check examples
+        if: matrix.rust != '1.18.0'
+
+  test:
+    name: Test
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly
+    steps:
+      - uses: actions/checkout@v2
+        name: Checkout
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: ${{ matrix.rust }}
+          override: true
+        name: Install Rust ${{ matrix.rust }}
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: test
+        name: Run `cargo test`
+
+  lints:
+    name: Lints
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        name: Checkout
+
+      - uses: actions-rs/toolchain@v1
+        with:
+          profile: minimal
+          toolchain: stable
+          override: true
+          components: rustfmt, clippy
+        name: Install Rust stable
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: fmt
+          args: --all -- --check
+        name: Run `cargo fmt`
+
+      - uses: actions-rs/cargo@v1
+        with:
+          command: clippy
+          args: -- -D warnings
+        name: Run `cargo clippy`

.travis.yml

@@ -1,16 +0,0 @@
-language: rust
-
-rust:
-    - stable
-    - beta
-    - nightly
-
-script:
-  - cargo test
-  - cargo package
-  - cd target/package/bincode-* && cargo test
-
-matrix:
-  include:
-    - rust: 1.18.0
-      script: cargo build

README.md

@@ -2,7 +2,7 @@
 
 <img align="right" src="./logo.png" />
 
-[![Build Status](https://travis-ci.com/servo/bincode.svg)](https://travis-ci.com/servo/bincode)
+![CI](https://github.com/servo/bincode/workflows/CI/badge.svg)
 [![](https://meritbadge.herokuapp.com/bincode)](https://crates.io/crates/bincode)
 [![](https://img.shields.io/badge/license-MIT-blue.svg)](https://opensource.org/licenses/MIT)
 

src/config.rs

@@ -125,7 +125,7 @@ impl<O: Options, E: ByteOrder> WithOtherEndian<O, E> {
     #[inline(always)]
     pub(crate) fn new(options: O) -> WithOtherEndian<O, E> {
         WithOtherEndian {
-            options: options,
+            options,
             _endian: PhantomData,
         }
     }

src/de/mod.rs

@@ -32,10 +32,7 @@ pub(crate) struct Deserializer<R, O: Options> {
 impl<'de, R: BincodeRead<'de>, O: Options> Deserializer<R, O> {
     /// Creates a new Deserializer with a given `Read`er and a size_limit.
     pub(crate) fn new(r: R, options: O) -> Deserializer<R, O> {
-        Deserializer {
-            reader: r,
-            options: options,
-        }
+        Deserializer { reader: r, options }
     }
 
     fn read_bytes(&mut self, count: u64) -> Result<()> {
@@ -149,7 +146,7 @@ where
         let mut buf = [0u8; 4];
 
         // Look at the first byte to see how many bytes must be read
-        let _ = self.reader.read_exact(&mut buf[..1])?;
+        self.reader.read_exact(&mut buf[..1])?;
         let width = utf8_char_width(buf[0]);
         if width == 1 {
             return visitor.visit_char(buf[0] as char);
@@ -163,9 +160,9 @@ where
         }
 
         let res = str::from_utf8(&buf[..width])
-                .ok()
-                .and_then(|s| s.chars().next())
-                .ok_or(error())?;
+            .ok()
+            .and_then(|s| s.chars().next())
+            .ok_or_else(error)?;
         visitor.visit_char(res)
     }
 
@@ -251,10 +248,8 @@ where
             {
                 if self.len > 0 {
                     self.len -= 1;
-                    let value = serde::de::DeserializeSeed::deserialize(
-                        seed,
-                        &mut *self.deserializer,
-                    )?;
+                    let value =
+                        serde::de::DeserializeSeed::deserialize(seed, &mut *self.deserializer)?;
                     Ok(Some(value))
                 } else {
                     Ok(None)
@@ -268,7 +263,7 @@ where
 
         visitor.visit_seq(Access {
             deserializer: self,
-            len: len,
+            len,
         })
     }
 
@@ -313,10 +308,8 @@ where
             {
                 if self.len > 0 {
                     self.len -= 1;
-                    let key = serde::de::DeserializeSeed::deserialize(
-                        seed,
-                        &mut *self.deserializer,
-                    )?;
+                    let key =
+                        serde::de::DeserializeSeed::deserialize(seed, &mut *self.deserializer)?;
                     Ok(Some(key))
                 } else {
                     Ok(None)
@@ -327,10 +320,7 @@ where
             where
                 V: serde::de::DeserializeSeed<'de>,
             {
-                let value = serde::de::DeserializeSeed::deserialize(
-                    seed,
-                    &mut *self.deserializer,
-                )?;
+                let value = serde::de::DeserializeSeed::deserialize(seed, &mut *self.deserializer)?;
                 Ok(value)
             }
 
@@ -343,7 +333,7 @@ where
 
         visitor.visit_map(Access {
             deserializer: self,
-            len: len,
+            len,
         })
     }
 

src/de/read.rs

@@ -1,6 +1,6 @@
 use error::Result;
 use serde;
-use std::{io, slice};
+use std::io;
 
 /// An optional Read trait for advanced Bincode usage.
 ///
@@ -77,13 +77,13 @@ impl<'storage> io::Read for SliceReader<'storage> {
         let (read_slice, remaining) = self.slice.split_at(out.len());
         out.copy_from_slice(read_slice);
         self.slice = remaining;
-        
+
         Ok(out.len())
     }
 
     #[inline(always)]
     fn read_exact(&mut self, out: &mut [u8]) -> io::Result<()> {
-        self.read(out).map(|_|())
+        self.read(out).map(|_| ())
     }
 }
 
@@ -101,10 +101,10 @@ impl<R: io::Read> io::Read for IoReader<R> {
 impl<'storage> SliceReader<'storage> {
     #[inline(always)]
     fn unexpected_eof() -> Box<::ErrorKind> {
-        return Box::new(::ErrorKind::Io(io::Error::new(
+        Box::new(::ErrorKind::Io(io::Error::new(
             io::ErrorKind::UnexpectedEof,
             "",
-        )));
+        )))
     }
 }
 

src/lib.rs

@@ -1,4 +1,5 @@
 #![deny(missing_docs)]
+#![allow(unknown_lints, bare_trait_objects, deprecated)]
 
 //! Bincode is a crate for encoding and decoding using a tiny binary
 //! serialization strategy.  Using it, you can easily go from having

src/ser/mod.rs

@@ -224,10 +224,6 @@ pub(crate) struct SizeChecker<O: Options> {
 }
 
 impl<O: Options> SizeChecker<O> {
-    pub fn new(options: O) -> SizeChecker<O> {
-        SizeChecker { options: options }
-    }
-
     fn add_raw(&mut self, size: u64) -> Result<()> {
         self.options.limit().add(size)
     }
@@ -755,7 +751,7 @@ fn encode_utf8(c: char) -> EncodeUtf8 {
         buf[3] = (code & 0x3F) as u8 | TAG_CONT;
         0
     };
-    EncodeUtf8 { buf: buf, pos: pos }
+    EncodeUtf8 { buf, pos }
 }
 
 struct EncodeUtf8 {

tests/test.rs

@@ -334,12 +334,10 @@ fn test_serialized_size_bounded() {
     assert!(config().limit(7).serialized_size(&0u64).is_err());
     assert!(config().limit(7).serialized_size(&"").is_err());
     assert!(config().limit(8 + 0).serialized_size(&"a").is_err());
-    assert!(
-        config()
-            .limit(8 + 3 * 4 - 1)
-            .serialized_size(&vec![0u32, 1u32, 2u32])
-            .is_err()
-    );
+    assert!(config()
+        .limit(8 + 3 * 4 - 1)
+        .serialized_size(&vec![0u32, 1u32, 2u32])
+        .is_err());
 }
 
 #[test]
@@ -423,7 +421,8 @@ fn test_oom_protection() {
         .serialize(&FakeVec {
             len: 0xffffffffffffffffu64,
             byte: 1,
-        }).unwrap();
+        })
+        .unwrap();
     let y: Result<Vec<u8>> = config()
         .limit(10)
         .deserialize_from(&mut Cursor::new(&x[..]));
@@ -581,7 +580,8 @@ fn test_zero_copy_parse_deserialize_into() {
                 slice: &encoded[..],
             },
             &mut target,
-        ).unwrap();
+        )
+        .unwrap();
         assert_eq!(target, f);
     }
 }