create src dir and move bootstrap/*.rs sources there

Signed-off-by: onur-ozkan <work@onurozkan.dev>

Author: onur-ozkan

src/bootstrap/Cargo.toml

@@ -6,27 +6,27 @@ build = "build.rs"
 default-run = "bootstrap"
 
 [lib]
-path = "lib.rs"
+path = "src/lib.rs"
 doctest = false
 
 [[bin]]
 name = "bootstrap"
-path = "bin/main.rs"
+path = "src/bins/main.rs"
 test = false
 
 [[bin]]
 name = "rustc"
-path = "bin/rustc.rs"
+path = "src/bins/rustc.rs"
 test = false
 
 [[bin]]
 name = "rustdoc"
-path = "bin/rustdoc.rs"
+path = "src/bins/rustdoc.rs"
 test = false
 
 [[bin]]
 name = "sccache-plus-cl"
-path = "bin/sccache-plus-cl.rs"
+path = "src/bins/sccache-plus-cl.rs"
 test = false
 
 [dependencies]

src/bootstrap/bin/_helper.rs renamed to src/bootstrap/src/bins/_helper.rs

@@ -2185,6 +2185,7 @@ impl<'a> Builder<'a> {
 }
 
 #[cfg(test)]
+#[path = "tests/builder.rs"]
 mod tests;
 
 /// Represents flag values in `String` form with whitespace delimiter to pass it to the compiler later.