fix(toml): Improve map/sequence error message

This is a follow up to #13375

Cargo.lock

@@ -3036,9 +3036,9 @@ dependencies = [
 
 [[package]]
 name = "serde_spanned"
-version = "0.6.4"
+version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12022b835073e5b11e90a14f86838ceb1c8fb0325b72416845c487ac0fa95e80"
+checksum = "eb3622f419d1296904700073ea6cc23ad690adbd66f13ea683df73298736f0c1"
 dependencies = [
  "serde",
 ]
@@ -3354,9 +3354,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"
 
 [[package]]
 name = "toml"
-version = "0.8.8"
+version = "0.8.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a1a195ec8c9da26928f773888e0742ca3ca1040c6cd859c919c9f59c1954ab35"
+checksum = "c6a4b9e8023eb94392d3dca65d717c53abc5dad49c07cb65bb8fcd87115fa325"
 dependencies = [
  "serde",
  "serde_spanned",
@@ -3375,9 +3375,9 @@ dependencies = [
 
 [[package]]
 name = "toml_edit"
-version = "0.21.0"
+version = "0.21.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d34d383cd00a163b4a5b85053df514d45bc330f6de7737edfe0a93311d1eaa03"
+checksum = "6a8534fd7f78b5405e860340ad6575217ce99f38d4d5c8f2442cb5ecb50090e1"
 dependencies = [
  "indexmap",
  "serde",

Cargo.toml

@@ -96,8 +96,8 @@ tar = { version = "0.4.40", default-features = false }
 tempfile = "3.9.0"
 thiserror = "1.0.56"
 time = { version = "0.3", features = ["parsing", "formatting", "serde"] }
-toml = "0.8.8"
-toml_edit = { version = "0.21.0", features = ["serde"] }
+toml = "0.8.9"
+toml_edit = { version = "0.21.1", features = ["serde"] }
 tracing = "0.1.37" # be compatible with rustc_log: https://github.com/rust-lang/rust/blob/e51e98dde6a/compiler/rustc_log/Cargo.toml#L9
 tracing-subscriber = { version = "0.3.18", features = ["env-filter"] }
 unicase = "2.7.0"

tests/testsuite/diagnostics.rs

@@ -21,9 +21,11 @@ edition = "2021"
         .with_stderr(
             "\
 error: invalid type: map, expected a sequence
---> Cargo.toml:1:1
- |
- |
+ --> Cargo.toml:6:3
+  |
+6 | [[bench.foo]]
+  |   ^^^^^
+  |
 ",
         )
         .run();