tidy: update cargo_metadata to 0.12

Cargo.lock

@@ -418,17 +418,6 @@ dependencies = [
  "serde_json",
 ]
 
-[[package]]
-name = "cargo_metadata"
-version = "0.11.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "89fec17b16f1ac67908af82e47d0a90a7afd0e1827b181cd77504323d3263d35"
-dependencies = [
- "semver 0.10.0",
- "serde",
- "serde_json",
-]
-
 [[package]]
 name = "cargo_metadata"
 version = "0.12.0"
@@ -4681,16 +4670,6 @@ dependencies = [
  "serde",
 ]
 
-[[package]]
-name = "semver"
-version = "0.10.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "394cec28fa623e00903caf7ba4fa6fb9a0e260280bb8cdbbba029611108a0190"
-dependencies = [
- "semver-parser 0.7.0",
- "serde",
-]
-
 [[package]]
 name = "semver"
 version = "0.11.0"
@@ -5230,7 +5209,7 @@ dependencies = [
 name = "tidy"
 version = "0.1.0"
 dependencies = [
- "cargo_metadata 0.11.1",
+ "cargo_metadata 0.12.0",
  "crossbeam-utils 0.8.3",
  "lazy_static",
  "regex",

src/tools/tidy/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 autobins = false
 
 [dependencies]
-cargo_metadata = "0.11"
+cargo_metadata = "0.12"
 regex = "1"
 lazy_static = "1"
 walkdir = "2"