Replace script_plugins with a clippy like rustc driver (named crown) (#30508)

* Remove script_plugins

* Use crown instead of script_plugins

* crown_is_not_used

* Use crown in command base

* bootstrap crown

* tidy happy

* disable sccache

* Bring crown in tree

* Install crown from tree

* fix windows ci

* fix warning

* fix mac

libscript_plugins.dylib is not available anymore

* Update components/script/lib.rs

Co-authored-by: Martin Robinson <mrobinson@igalia.com>

* Update for nightly-2023-03-18

Mostly just based off https://github.com/servo/servo/pull/30630

* Always install crown

it's slow only when there is new version

* Run crown test with `mach test-unit`

* Small fixups; better trace_in_no_trace tests

* Better doc

* crown in config.toml

* Fix tidy for real

* no sccache on rustc_wrapper

* document rustc overrides

* fixup of compiletest

* Make a few minor comment adjustments

* Fix a typo in python/servo/platform/base.py

Co-authored-by: Samson <16504129+sagudev@users.noreply.github.com>

* Proper test types

* Ignore tidy on crown/tests

---------

Co-authored-by: Martin Robinson <mrobinson@igalia.com>

Cargo.lock

@@ -891,6 +891,29 @@ dependencies = [
  "memchr",
 ]
 
+[[package]]
+name = "compiletest_rs"
+version = "0.10.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7225fee1bcf9247bb3a1b1a2d7ecfe2f7a990e549a09d766a257a4ae30dac0d6"
+dependencies = [
+ "diff",
+ "filetime",
+ "getopts",
+ "lazy_static",
+ "libc",
+ "log",
+ "miow",
+ "regex",
+ "rustfix",
+ "serde",
+ "serde_derive",
+ "serde_json",
+ "tempfile",
+ "tester",
+ "winapi",
+]
+
 [[package]]
 name = "compositing"
 version = "0.0.1"
@@ -1152,6 +1175,14 @@ dependencies = [
  "cfg-if 1.0.0",
 ]
 
+[[package]]
+name = "crown"
+version = "0.1.0"
+dependencies = [
+ "compiletest_rs",
+ "once_cell",
+]
+
 [[package]]
 name = "crunchy"
 version = "0.2.2"
@@ -1360,6 +1391,12 @@ dependencies = [
  "uuid",
 ]
 
+[[package]]
+name = "diff"
+version = "0.1.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "56254986775e3233ffa9c4d7d3faaf6d36a2c09d30b20687e9f88bc8bafc16c8"
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -1693,6 +1730,18 @@ dependencies = [
  "simd-adler32",
 ]
 
+[[package]]
+name = "filetime"
+version = "0.2.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d4029edd3e734da6fe05b6cd7bd2960760a616bd2ddd0d59a0124746d6272af0"
+dependencies = [
+ "cfg-if 1.0.0",
+ "libc",
+ "redox_syscall 0.3.5",
+ "windows-sys 0.48.0",
+]
+
 [[package]]
 name = "fixedbitset"
 version = "0.1.9"
@@ -3597,6 +3646,15 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "miow"
+version = "0.3.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b9f1c5b025cda876f66ef43a113f91ebc9f4ccef34843000e0adf6ebbab84e21"
+dependencies = [
+ "winapi",
+]
+
 [[package]]
 name = "mozangle"
 version = "0.4.0"
@@ -4661,6 +4719,18 @@ dependencies = [
  "semver",
 ]
 
+[[package]]
+name = "rustfix"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ecd2853d9e26988467753bd9912c3a126f642d05d229a4b53f5752ee36c56481"
+dependencies = [
+ "anyhow",
+ "log",
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "rustix"
 version = "0.38.25"
@@ -4803,7 +4873,6 @@ dependencies = [
  "ref_filter_map",
  "regex",
  "script_layout_interface",
- "script_plugins",
  "script_traits",
  "selectors",
  "serde",
@@ -4869,17 +4938,6 @@ dependencies = [
  "webrender_api",
 ]
 
-[[package]]
-name = "script_plugins"
-version = "0.0.1"
-
-[[package]]
-name = "script_plugins_tests"
-version = "0.0.1"
-dependencies = [
- "script_plugins",
-]
-
 [[package]]
 name = "script_tests"
 version = "0.0.1"
@@ -5910,6 +5968,17 @@ dependencies = [
  "utf-8",
 ]
 
+[[package]]
+name = "term"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c59df8ac95d96ff9bede18eb7300b0fda5e5d8d90960e76f8e14ae765eedbf1f"
+dependencies = [
+ "dirs-next",
+ "rustversion",
+ "winapi",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.4.0"
@@ -5919,6 +5988,19 @@ dependencies = [
  "winapi-util",
 ]
 
+[[package]]
+name = "tester"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "89e8bf7e0eb2dd7b4228cc1b6821fc5114cd6841ae59f652a85488c016091e5f"
+dependencies = [
+ "cfg-if 1.0.0",
+ "getopts",
+ "libc",
+ "num_cpus",
+ "term",
+]
+
 [[package]]
 name = "textwrap"
 version = "0.16.0"