2 files changed, 37 insertions, 1 deletions
diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr
index 103e60d8484..9177e99f8e6 100644
--- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr
+++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.stderr
@@ -42,4 +42,32 @@ help: to have lints override the group set `pedantic` to a lower priority
 19 | pedantic = { level = "warn", priority = -2 }
    |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 
-error: could not compile `fail` (lib) due to 3 previous errors
+error: lint group `rust_2018_idioms` has the same priority (0) as a lint
+  --> Cargo.toml:23:1
+   |
+23 | rust_2018_idioms = "warn"
+   | ^^^^^^^^^^^^^^^^   ------ has an implicit priority of 0
+24 | bare_trait_objects = "allow"
+   | ------------------ has the same priority as this lint
+   |
+   = note: the order of the lints in the table is ignored by Cargo
+help: to have lints override the group set `rust_2018_idioms` to a lower priority
+   |
+23 | rust_2018_idioms = { level = "warn", priority = -1 }
+   |                    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+error: lint group `pedantic` has the same priority (0) as a lint
+  --> Cargo.toml:27:1
+   |
+27 | pedantic = "warn"
+   | ^^^^^^^^   ------ has an implicit priority of 0
+28 | similar_names = "allow"
+   | ------------- has the same priority as this lint
+   |
+   = note: the order of the lints in the table is ignored by Cargo
+help: to have lints override the group set `pedantic` to a lower priority
+   |
+27 | pedantic = { level = "warn", priority = -1 }
+   |            ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+error: could not compile `fail` (lib) due to 5 previous errors
diff --git a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml
index 4ce41f78171..e4d4af9cd23 100644
--- a/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml
+++ b/tests/ui-cargo/lint_groups_priority/fail/Cargo.toml
@@ -18,3 +18,11 @@ deprecated  = "allow"
 [lints.clippy]
 pedantic = { level = "warn", priority = -1 }
 similar_names = { level = "allow", priority = -1 }
+
+[workspace.lints.rust]
+rust_2018_idioms = "warn"
+bare_trait_objects = "allow"
+
+[workspace.lints.clippy]
+pedantic = "warn"
+similar_names = "allow"