Debug CI failures

Author: jyn514

src/bootstrap/config.rs

@@ -590,12 +590,12 @@ impl Config {
         set(&mut config.print_step_timings, build.print_step_timings);
 
         // See https://github.com/rust-lang/compiler-team/issues/326
-        config.stage = match config.cmd {
+        config.stage = match dbg!(&config.cmd) {
             Subcommand::Doc { .. } => flags.stage.or(build.doc_stage).unwrap_or(0),
             Subcommand::Build { .. } => flags.stage.or(build.build_stage).unwrap_or(1),
             Subcommand::Test { .. } => flags.stage.or(build.test_stage).unwrap_or(1),
             Subcommand::Bench { .. } => flags.stage.or(build.bench_stage).unwrap_or(2),
-            Subcommand::Dist { .. } => flags.stage.or(build.dist_stage).unwrap_or(2),
+            Subcommand::Dist { .. } => dbg!(dbg!(flags.stage).or(build.dist_stage).unwrap_or(2)),
             Subcommand::Install { .. } => flags.stage.or(build.install_stage).unwrap_or(2),
             // These are all bootstrap tools, which don't depend on the compiler.
             // The stage we pass shouldn't matter, but use 0 just in case.

src/bootstrap/flags.rs

@@ -40,6 +40,7 @@ pub struct Flags {
     pub llvm_skip_rebuild: Option<bool>,
 }
 
+#[derive(Debug)]
 pub enum Subcommand {
     Build {
         paths: Vec<PathBuf>,
@@ -98,6 +99,7 @@ impl Default for Subcommand {
 
 impl Flags {
     pub fn parse(args: &[String]) -> Flags {
+        dbg!(args);
         let mut extra_help = String::new();
         let mut subcommand_help = String::from(
             "\