Rust

Remove non-utc trait impls and make InfluxDbWriteable fail-able #347

Job	Run time
Style Check (clippy)	35s
README Format Check	1m 13s
Style Checks (rustfmt)	14s
Integration Tests (Rust Stable with reqwest-client-rustls)	57s
Code Coverage (stable/ubuntu-latest)	1m 11s
Integration Tests (Rust Stable with reqwest-client-native-tls)	57s
Integration Tests (Rust Stable with reqwest-client-native-tls-vendored)	2m 17s
Unit and Doc Tests (Rust Stable on ubuntu-latest)	53s
Unit and Doc Tests (Rust Beta on windows-latest)	2m 4s
Unit and Doc Tests (Rust Stable on windows-latest)	2m 53s
Unit and Doc Tests (Rust Beta on macOS-latest)	34s
Unit and Doc Tests (Rust Beta on ubuntu-latest)	1m 1s
Unit and Doc Tests (Rust Nightly on macOS-latest)	38s
Unit and Doc Tests (Rust Nightly on windows-latest)	2m 3s
Unit and Doc Tests (Rust Stable on macOS-latest)	57s
Unit and Doc Tests (Rust Nightly on ubuntu-latest)	24s
Unit and Doc Tests (Rust MSRV on ubuntu-latest)	6m 37s
pages	0s
	25m 28s

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