Update fulldeps UI tests to the new lint diagnostic API

Author: fmease

tests/ui-fulldeps/internal-lints/diagnostics.rs

@@ -15,7 +15,7 @@ extern crate rustc_span;
 
 use rustc_errors::{
     Diag, DiagCtxt, DiagInner, DiagMessage, Diagnostic, EmissionGuarantee, Level, LintDiagnostic,
-    SubdiagMessageOp, SubdiagMessage, Subdiagnostic,
+    MultiSpan, SubdiagMessageOp, SubdiagMessage, Subdiagnostic,
 };
 use rustc_macros::{Diagnostic, Subdiagnostic};
 use rustc_span::Span;
@@ -89,6 +89,10 @@ impl<'a> LintDiagnostic<'a, ()> for UntranslatableInLintDiagnostic {
     fn msg(&self) -> DiagMessage {
         unreachable!();
     }
+
+    fn span(&self) -> Option<MultiSpan> {
+        None
+    }
 }
 
 pub struct TranslatableInLintDiagnostic;
@@ -101,6 +105,10 @@ impl<'a> LintDiagnostic<'a, ()> for TranslatableInLintDiagnostic {
     fn msg(&self) -> DiagMessage {
         unreachable!();
     }
+
+    fn span(&self) -> Option<MultiSpan> {
+        None
+    }
 }
 
 pub fn make_diagnostics<'a>(dcx: &'a DiagCtxt) {

tests/ui-fulldeps/session-diagnostic/diagnostic-derive.rs

@@ -561,7 +561,6 @@ struct LintsGood {}
 #[diag(no_crate_example)]
 struct PrimarySpanOnLint {
     #[primary_span]
-    //~^ ERROR `#[primary_span]` is not a valid attribute
     span: Span,
 }
 

tests/ui-fulldeps/session-diagnostic/diagnostic-derive.stderr

@@ -322,14 +322,6 @@ error: only `no_span` is a valid nested attribute
 LL |     #[label(no_crate_label, foo("..."))]
    |                             ^^^
 
-error: `#[primary_span]` is not a valid attribute
-  --> $DIR/diagnostic-derive.rs:563:5
-   |
-LL |     #[primary_span]
-   |     ^
-   |
-   = help: the `primary_span` field attribute is not valid for lint diagnostics
-
 error: `#[error(...)]` is not a valid attribute
   --> $DIR/diagnostic-derive.rs:583:1
    |