Fix capitalization when mentioning different crate versions in E0308

Author: estebank

src/librustc/infer/error_reporting/mod.rs

@@ -463,7 +463,6 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
         &self,
         err: &mut DiagnosticBuilder<'_>,
         terr: &TypeError<'tcx>,
-        sp: Span,
     ) {
         use hir::def_id::CrateNum;
         use hir::map::DisambiguatedDefPathData;
@@ -577,14 +576,10 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
                 };
                 if same_path().unwrap_or(false) {
                     let crate_name = self.tcx.crate_name(did1.krate);
-                    err.span_note(
-                        sp,
-                        &format!(
-                            "Perhaps two different versions \
-                             of crate `{}` are being used?",
-                            crate_name
-                        ),
-                    );
+                    err.note(&format!(
+                        "perhaps two different versions of crate `{}` are being used?",
+                        crate_name
+                    ));
                 }
             }
         };
@@ -1263,7 +1258,7 @@ impl<'a, 'tcx> InferCtxt<'a, 'tcx> {
             .unwrap_or_else(|| {
                 self.tcx.hir().body_owner_def_id(hir::BodyId { hir_id: cause.body_id })
             });
-        self.check_and_note_conflicting_crates(diag, terr, span);
+        self.check_and_note_conflicting_crates(diag, terr);
         self.tcx.note_and_explain_type_err(diag, terr, span, body_owner_def_id);
 
         // It reads better to have the error origin as the final

src/test/ui/type/type-mismatch-same-crate-name.rs

@@ -15,11 +15,11 @@ fn main() {
         extern crate crate_a1 as a;
         a::try_foo(foo2);
         //~^ ERROR mismatched types
-        //~| Perhaps two different versions of crate `crate_a1`
+        //~| perhaps two different versions of crate `crate_a1`
         //~| expected struct `main::a::Foo`
         a::try_bar(bar2);
         //~^ ERROR mismatched types
-        //~| Perhaps two different versions of crate `crate_a1`
+        //~| perhaps two different versions of crate `crate_a1`
         //~| expected trait `main::a::Bar`
         //~| expected struct `std::boxed::Box<(dyn main::a::Bar + 'static)>`
         //~| found struct `std::boxed::Box<dyn main::a::Bar>`

src/test/ui/type/type-mismatch-same-crate-name.stderr

@@ -4,11 +4,7 @@ error[E0308]: mismatched types
 LL |         a::try_foo(foo2);
    |                    ^^^^ expected struct `main::a::Foo`, found a different struct `main::a::Foo`
    |
-note: Perhaps two different versions of crate `crate_a1` are being used?
-  --> $DIR/type-mismatch-same-crate-name.rs:16:20
-   |
-LL |         a::try_foo(foo2);
-   |                    ^^^^
+   = note: perhaps two different versions of crate `crate_a1` are being used?
 
 error[E0308]: mismatched types
   --> $DIR/type-mismatch-same-crate-name.rs:20:20
@@ -18,11 +14,7 @@ LL |         a::try_bar(bar2);
    |
    = note: expected struct `std::boxed::Box<(dyn main::a::Bar + 'static)>`
               found struct `std::boxed::Box<dyn main::a::Bar>`
-note: Perhaps two different versions of crate `crate_a1` are being used?
-  --> $DIR/type-mismatch-same-crate-name.rs:20:20
-   |
-LL |         a::try_bar(bar2);
-   |                    ^^^^
+   = note: perhaps two different versions of crate `crate_a1` are being used?
 
 error: aborting due to 2 previous errors