Move commands.rs to commands/mod.rs; move migrate_cli.rs.

Cargo.toml

@@ -10,10 +10,6 @@ repository = 'https://git.agnos.is/projectmoon/matrix-dicebot'
 keywords = ["games", "dice", "matrix", "bot"]
 categories = ["games"]
 
-[[bin]]
-name = "dicebot-migrate"
-path = "src/migrate_cli.rs"
-
 [dependencies]
 log = "0.4"
 tracing-subscriber = "0.2"

src/parser.rs

@@ -27,7 +27,7 @@ pub enum DiceParsingError {
 }
 
 impl From<std::num::ParseIntError> for DiceParsingError {
-    fn from(_error: std::num::ParseIntError) -> Self {
+    fn from(_: std::num::ParseIntError) -> Self {
         DiceParsingError::ConversionError
     }
 }