Resolve dead code warnings in agenda-generator

    warning: unused variable: `empty`
       --> src/generator.rs:527:17
        |
    527 |         let mut empty = true;
        |                 ^^^^^ help: if this is intentional, prefix it with an underscore: `_empty`
        |
        = note: `#[warn(unused_variables)]` on by default

    warning: variable does not need to be mutable
       --> src/generator.rs:527:13
        |
    527 |         let mut empty = true;
        |             ----^^^^^
        |             |
        |             help: remove this `mut`
        |
        = note: `#[warn(unused_mut)]` on by default

    warning: multiple fields are never read
       --> src/generator.rs:594:5
        |
    593 | struct Fcp<'a> {
        |        --- fields in this struct
    594 |     title: &'a str,
        |     ^^^^^
    595 |     repo: &'a str,
        |     ^^^^
    596 |     number: &'a str,
        |     ^^^^^^
    597 |     disposition: &'a str,
        |     ^^^^^^^^^^^
    598 |     url: &'a str,
        |     ^^^
    599 |     reviewers: Vec<&'a str>,
        |     ^^^^^^^^^
    600 |     concerns: bool,
        |     ^^^^^^^^
        |
        = note: `Fcp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
        = note: `#[warn(dead_code)]` on by default

    warning: field `number` is never read
       --> src/generator.rs:605:5
        |
    604 | struct Issue {
        |        ----- field in this struct
    605 |     number: u32,
        |     ^^^^^^
        |
        = note: `Issue` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis

Author: dtolnay

tools/agenda-generator/src/generator.rs

@@ -524,7 +524,6 @@ impl GithubQuery {
     }
 
     fn write(&mut self, generator: &mut Generator) -> Result<()> {
-        let mut empty = true;
         for repo in &self.repos {
             for labels in &self.labels {
                 let cs_labels = labels.join(",");
@@ -589,19 +588,9 @@ impl GithubQuery {
     }
 }
 
-#[derive(Debug)]
-struct Fcp<'a> {
-    title: &'a str,
-    repo: &'a str,
-    number: &'a str,
-    disposition: &'a str,
-    url: &'a str,
-    reviewers: Vec<&'a str>,
-    concerns: bool,
-}
-
 #[derive(Debug, Deserialize)]
 struct Issue {
+    #[allow(dead_code)]
     number: u32,
     html_url: String,
     title: String,