[red-knot] Add "cheap" program.snapshot (#11172)

Cargo.lock

@@ -501,6 +501,19 @@ dependencies = [
  "itertools 0.10.5",
 ]
 
+[[package]]
+name = "crossbeam"
+version = "0.8.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1137cd7e7fc0fb5d3c5a8678be38ec56e819125d8d7907411fe24ccb943faca8"
+dependencies = [
+ "crossbeam-channel",
+ "crossbeam-deque",
+ "crossbeam-epoch",
+ "crossbeam-queue",
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-channel"
 version = "0.5.12"
@@ -529,6 +542,15 @@ dependencies = [
  "crossbeam-utils",
 ]
 
+[[package]]
+name = "crossbeam-queue"
+version = "0.3.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "df0346b5d5e76ac2fe4e327c5fd1118d6be7c51dfb18f9b7922923f287471e35"
+dependencies = [
+ "crossbeam-utils",
+]
+
 [[package]]
 name = "crossbeam-utils"
 version = "0.8.19"
@@ -1804,7 +1826,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "bitflags 2.5.0",
- "crossbeam-channel",
+ "crossbeam",
  "ctrlc",
  "dashmap",
  "hashbrown 0.14.5",
@@ -2341,7 +2363,7 @@ name = "ruff_server"
 version = "0.2.2"
 dependencies = [
  "anyhow",
- "crossbeam-channel",
+ "crossbeam",
  "insta",
  "jod-thread",
  "libc",