Check for get method and new test case in unfixable

clippy_lints/src/non_zero_suggestions.rs

@@ -72,6 +72,7 @@ fn check_non_zero_conversion(cx: &LateContext<'_>, expr: &Expr<'_>, applicabilit
         && let ExprKind::Path(qpath) = &func.kind
         && let Some(def_id) = cx.qpath_res(qpath, func.hir_id).opt_def_id()
         && let ExprKind::MethodCall(rcv_path, receiver, _, _) = &arg.kind
+        && rcv_path.ident.name.as_str() == "get"
     {
         let fn_name = cx.tcx.item_name(def_id);
         let target_ty = cx.typeck_results().expr_ty(expr);

tests/ui/non_zero_suggestions_unfixable.rs

@@ -10,6 +10,9 @@ fn main() {
     let y = u64::from(n.get());
     //~^ ERROR: consider using `NonZeroU64::from()` for more efficient and type-safe conversion
     some_fn_that_only_takes_u64(y);
+
+    let m = NonZeroU32::try_from(1).unwrap();
+    let _z: NonZeroU64 = m.into();
 }
 
 fn return_non_zero(x: u64, y: NonZeroU32) -> u64 {

tests/ui/non_zero_suggestions_unfixable.stderr

@@ -14,7 +14,7 @@ LL |     let y = u64::from(n.get());
    |             ^^^^^^^^^^^^^^^^^^ help: replace with: `NonZeroU64::from(n)`
 
 error: consider using `NonZeroU64::from()` for more efficient and type-safe conversion
-  --> tests/ui/non_zero_suggestions_unfixable.rs:16:5
+  --> tests/ui/non_zero_suggestions_unfixable.rs:19:5
    |
 LL |     u64::from(y.get())
    |     ^^^^^^^^^^^^^^^^^^ help: replace with: `NonZeroU64::from(y)`