Bump MSRV to 1.65 and fix warnings (#135)

Author: msrd0

Diff for: .github/workflows/rust.yml

@@ -24,7 +24,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v3
-      - uses: dtolnay/rust-toolchain@1.72.0
+      - uses: dtolnay/rust-toolchain@1.75.0
         with:
           components: clippy
       - name: Check Clippy lints (reqwest)
@@ -54,7 +54,7 @@ jobs:
       matrix:
         rust:
           - name: MSRV
-            toolchain: "1.63"
+            toolchain: "1.65"
             nightly: false
           - name: Stable
             toolchain: stable

Diff for: README.j2

@@ -25,8 +25,8 @@
     <a href="https://www.rust-lang.org/en-US/">
         <img src="https://img.shields.io/badge/Made%20with-Rust-orange.svg" alt='Build with Rust' />
     </a>
-    <a href="https://blog.rust-lang.org/2022/08/11/Rust-1.63.0.html">
-        <img src="https://img.shields.io/badge/rustc-1.63+-yellow.svg" alt='Minimum Rust Version: 1.63' />
+    <a href="https://blog.rust-lang.org/2022/11/03/Rust-1.65.0.html">
+        <img src="https://img.shields.io/badge/rustc-1.65+-yellow.svg" alt='Minimum Rust Version: 1.65' />
     </a>
 </p>
 

Diff for: README.md

@@ -25,8 +25,8 @@
     <a href="https://www.rust-lang.org/en-US/">
         <img src="https://img.shields.io/badge/Made%20with-Rust-orange.svg" alt='Build with Rust' />
     </a>
-    <a href="https://blog.rust-lang.org/2022/08/11/Rust-1.63.0.html">
-        <img src="https://img.shields.io/badge/rustc-1.63+-yellow.svg" alt='Minimum Rust Version: 1.63' />
+    <a href="https://blog.rust-lang.org/2022/11/03/Rust-1.65.0.html">
+        <img src="https://img.shields.io/badge/rustc-1.65+-yellow.svg" alt='Minimum Rust Version: 1.65' />
     </a>
 </p>
 
@@ -166,7 +166,7 @@ To communicate with InfluxDB, you can choose the HTTP backend to be used configu
 @ 2020 Gero Gerke and [contributors].
 
  [contributors]: https://github.com/influxdb-rs/influxdb-rust/graphs/contributors
- [__cargo_doc2readme_dependencies_info]: ggGkYW0BYXSEG64av5CnNoNoGw8lPMr2b0MoG44uU0T70vGSG7osgcbjN7SoYXKEGzTIyZ81-O7yGzBPOAorSf5GGwJWIVB6K85jG41Hl-f5lXJVYWSBgmhpbmZsdXhkYmUwLjcuMQ
+ [__cargo_doc2readme_dependencies_info]: ggGkYW0BYXSEG_Yk-0hvrVPoG-pGw0Sym8kbG2s5Ga25QGRAG6zgaYax6AfsYXKEGzTIyZ81-O7yGzBPOAorSf5GGwJWIVB6K85jG41Hl-f5lXJVYWSBgmhpbmZsdXhkYmUwLjcuMQ
  [__link0]: https://github.com/influxdb-rs/influxdb-rust/blob/main/CONTRIBUTING.md
  [__link1]: https://github.com/influxdb-rs/influxdb-rust/blob/main/CODE_OF_CONDUCT.md
  [__link10]: https://curl.se/libcurl/

Diff for: influxdb/src/query/mod.rs

@@ -91,7 +91,7 @@ where
     T: TimeZone,
 {
     fn from(date_time: DateTime<T>) -> Self {
-        Timestamp::Nanoseconds(date_time.timestamp_nanos() as u128)
+        Timestamp::Nanoseconds(date_time.timestamp_nanos_opt().unwrap() as u128)
     }
 }
 

Diff for: influxdb/src/query/write_query.rs

@@ -267,7 +267,7 @@ impl Query for Vec<WriteQuery> {
 
     fn get_type(&self) -> QueryType {
         QueryType::WriteQuery(
-            self.get(0)
+            self.first()
                 .map(|q| q.get_precision())
                 // use "ms" as placeholder if query is empty
                 .unwrap_or_else(|| "ms".to_owned()),