style: propagate clippy lints throughout workspace

Cargo.toml

@@ -10,6 +10,10 @@ resolver = "2"
 clap = { version = "4", features = [ "derive" ] }
 serde = { version = "1.0", features = [ "derive" ] }
 
+# to enable all the lints below, this must be present in a workspace member's Cargo.toml:
+# [lints]
+# workspace = true
+
 [workspace.lints.rust]
 unsafe_code = "deny"
 variant_size_differences = "warn"

crates/executor/Cargo.toml

@@ -9,3 +9,6 @@ edition = "2021"
 clap = { workspace = true, features = [ "derive" ] }
 image = "0.24"
 rpl = { path = "../rpl" }
+
+[lints]
+workspace = true

crates/executor/src/debug/instructions/mod.rs

@@ -2,7 +2,7 @@ pub mod read {
     use image::{io::Reader as ImageReader, DynamicImage};
     use rpl::instructions::read::{Read, SourceType};
 
-    pub fn read(Read { source, format: _ }: Read) -> DynamicImage {
+    pub fn read(Read { source, .. }: Read) -> DynamicImage {
         // TODO: actual error handling
         let img = ImageReader::open(match source {
             SourceType::File(path) => path,

crates/rpl/Cargo.toml

@@ -8,3 +8,6 @@ edition = "2021"
 [dependencies]
 serde = { workspace = true, features = [ "derive" ] }
 ron = "0.8"
+
+[lints]
+workspace = true