Fix message encoding

Fully urlencoded messages do not render properly; so this change removes
teh `urlencoding` dependency and, instead, manually replaces newline
characters with "%0A" to escape newlines.

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "cargo-action-fmt"
-version = "0.1.0"
+version = "0.1.1"
 edition = "2021"
 license = "MIT"
 repository = "https://github.com/olix0r/cargo-action-fmt"
@@ -12,7 +12,6 @@ Converts cargo check (and clippy) JSON output to the GitHub Action error format
 anyhow = "1"
 serde = { version = "1", features = ["derive"] }
 serde_json = "1"
-urlencoding = "2.1"
 
 [dependencies.clap]
 version = "3"

src/main.rs

@@ -59,6 +59,7 @@ fn main() -> Result<()> {
             ClippyObj::BuildScriptExecuted(_) => {}
             ClippyObj::CompilerMessage { message } => {
                 if message.code.is_some() {
+                    let msg = encode_newlines(message.rendered);
                     for span in message.spans.into_iter() {
                         println!(
                             "::{} file={},line={},endLine={},col={},endColumn={}::{}",
@@ -68,7 +69,7 @@ fn main() -> Result<()> {
                             span.line_end,
                             span.column_start,
                             span.column_end,
-                            urlencoding::encode(&*message.rendered),
+                            msg,
                         );
                     }
                 }
@@ -83,3 +84,7 @@ fn main() -> Result<()> {
 
     Ok(())
 }
+
+fn encode_newlines(orig: String) -> String {
+    orig.replace('\n', "%0A")
+}