Upgrade to Rust stable.

Rust 1.29.0 now comes with both rustfmt-preview and clippy-preview
components, so it removes the need for using nightly.

.travis.yml

@@ -5,7 +5,7 @@ dist: trusty
 language: rust
 services: docker
 sudo: required
-rust: nightly-2018-05-19
+rust: 1.29.0
 cache: cargo
 
 env:
@@ -24,7 +24,7 @@ before_install:
   - set -e
   - rustup self update
   - rustup component add rustfmt-preview
-  - cargo install clippy -f --vers=0.0.202
+  - rustup component add clippy-preview
 
 install:
   - sh ci/install.sh
@@ -44,7 +44,7 @@ deploy:
   file_glob: true
   file: $CRATE_NAME-$TRAVIS_TAG-$TARGET.*
   on:
-    condition: $TRAVIS_RUST_VERSION = nightly-2018-05-19
+    branch: master
     tags: true
   provider: releases
   skip_cleanup: true

Cargo.lock

@@ -661,7 +661,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "poa-ballot-stats"
-version = "0.2.1"
+version = "0.3.0"
 dependencies = [
  "clap 2.31.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "colored 1.6.0 (registry+https://github.com/rust-lang/crates.io-index)",

src/cli.rs

@@ -15,34 +15,29 @@ pub fn get_matches() -> ArgMatches<'static> {
                 .value_name("URL")
                 .help("The JSON-RPC endpoint")
                 .takes_value(true),
-        )
-        .arg(
+        ).arg(
             Arg::with_name("verbose")
                 .short("v")
                 .long("verbose")
                 .help("More detailed output")
                 .takes_value(false),
-        )
-        .arg(
+        ).arg(
             Arg::with_name("contracts")
                 .short("c")
                 .long("contracts")
                 .help("JSON file with the contract addresses")
                 .takes_value(true),
-        )
-        .arg(
+        ).arg(
             Arg::with_name("period")
                 .short("p")
                 .long("period")
                 .help("The period in which votes should be counted, e.g. '5 days', '2 months'.")
                 .takes_value(true),
-        )
-        .arg(
+        ).arg(
             Arg::with_name("block")
                 .short("b")
                 .long("block")
                 .help("The earliest block in which votes should be counted.")
                 .takes_value(true),
-        )
-        .get_matches()
+        ).get_matches()
 }

src/main.rs

@@ -25,7 +25,10 @@ use std::fs::File;
 use std::time::SystemTime;
 
 // The `use_contract!` macro triggers several Clippy warnings.
-#[cfg_attr(feature = "cargo-clippy", allow(too_many_arguments, redundant_closure, needless_update))]
+#[cfg_attr(
+    feature = "cargo-clippy",
+    allow(too_many_arguments, redundant_closure, needless_update)
+)]
 mod contracts {
     use_contract!(
         voting,

src/util.rs

@@ -97,8 +97,7 @@ impl TopicFilterExt for ethabi::TopicFilter {
                 self.topic1.to_opt_vec(),
                 self.topic2.to_opt_vec(),
                 self.topic3.to_opt_vec(),
-            )
-            .from_block(web3::types::BlockNumber::Earliest)
+            ).from_block(web3::types::BlockNumber::Earliest)
             .to_block(web3::types::BlockNumber::Latest)
     }