Update to latest rust stable, adopt pendantic clippy, other tidyings

Cargo.toml

@@ -1,37 +1,34 @@
 [package]
 name = "tracing-axiom"
-version = "0.4.0"
-authors = ["Arne Bahlo <[email protected]>"]
+version = "0.5.0"
+authors = ["Arne Bahlo <[email protected]>", "Darach Ennis <[email protected]>"]
 edition = "2021"
-rust-version = "1.60"
+rust-version = "1.73"
 license = "MIT OR Apache-2.0"
 description = "The tracing layer for shipping traces to Axiom"
 homepage = "https://axiom.co"
 repository = "https://github.com/axiomhq/tracing-axiom"
 documentation = "https://docs.rs/tracing-axiom"
-keywords = ["tracing", "axiom", "instrumentation"]
+keywords = ["tracing", "axiom", "instrumentation", "opentelemetry"]
 readme = "README.md"
 include = ["src/**/*.rs", "README.md", "LICENSE-APACHE", "LICENSE-MIT"]
 resolver = "2"
 
 [dependencies]
-opentelemetry = { version =  "0.17", features = ["rt-tokio"] }
-opentelemetry-otlp = { version = "0.10", features = ["prost", "tokio", "http-proto"] }
-opentelemetry-http = { version = "0.6", features = ["reqwest"] }
+opentelemetry = { version =  "0.20", features = ["rt-tokio"] }
+opentelemetry-otlp = { version = "0.13", features = ["prost", "tokio", "http-proto", "reqwest-client" ] }
 tracing-core = { version = "0.1", default-features = false, features = ["std"] }
-tracing-opentelemetry = { version = "0.17", default-features = false }
-tracing-subscriber = { version = "0.3", default-features = false, features = ["smallvec", "std"] }
+tracing-opentelemetry = { version = "0.21", default-features = false }
+tracing-subscriber = { version = "0.3", default-features = false, features = ["smallvec", "std", "registry", "fmt", "json" ] }
 reqwest = { version = "0.11", default-features = false }
 thiserror = "1"
-url = "2"
-opentelemetry-semantic-conventions = "0.9"
+opentelemetry-semantic-conventions = "0.12"
+url = "2.4.1"
 
 [dev-dependencies]
 tokio = "1"
-tracing = "0.1"
-opentelemetry = { version =  "0.17", features = ["rt-tokio"] }
-axiom-rs = "0.3"
-uuid = { version = "1", features = ["v4"] }
+tracing = { version = "0.1", features = [ "log" ] }
+opentelemetry = { version =  "0.20", features = ["rt-tokio"] }
 
 [features]
 default = ["default-tls"]

README.md

@@ -1,8 +1,3 @@
-# :warning: EXPERIMENTAL :warning:
-
-This is still experimental. Traces are ingested raw into Axiom and there's no nice way to view them (yet). 
-
-----
 
 ![tracing-axiom: The official Rust tracing layer for Axiom](.github/images/banner-dark.svg#gh-dark-mode-only)
 ![tracing-axiom: The official Rust tracing layer for Axiom](.github/images/banner-light.svg#gh-light-mode-only)
@@ -40,11 +35,12 @@ Then create an API token with ingest permission into that dataset in
 
 Now you can set up tracing in one line like this:
 
-```rust
+```rust,no_run
 #[tokio::main]
-async fn main() {
-    let _guard = tracing_axiom::init(); // or try_init() if you want to handle errors
+async fn main() -> Result<(), Box<dyn std::error::Error>> {
+    tracing_axiom::init()?;
     say_hello();
+    Ok(())
 }
 
 #[tracing::instrument]

deny.toml

@@ -0,0 +1,40 @@
+#
+# Ensure we do not use any libraries that have licenses incompatible ASL-2 / MIT
+#
+
+[licenses]
+unlicensed = "deny"
+default = "deny"
+copyleft = "deny"
+allow = [
+  # "0BSD",
+  "Apache-2.0",
+  # "BSD-2-Clause",
+  "BSD-3-Clause",
+  "BSL-1.0",
+  # "CC0-1.0",
+  # "ISC",
+  "MIT",
+  # "OpenSSL",
+  "Unicode-DFS-2016",
+  "Zlib"
+]
+
+exceptions = [
+    # MPL-2.0 are added case-by-case to make sure we are in compliance. To be in
+    # compliance we cannot be modifying the source files.
+]
+
+[licenses.private]
+ignore = true
+
+[[licenses.clarify]]
+name = "ring"
+version = "*"
+expression = "MIT AND ISC AND OpenSSL"
+license-files = [
+    { path = "LICENSE", hash = 0xbd0eed23 }
+]
+
+[advisories]
+ignore = [ ]