replace SliceDeque with VecDeque

Cargo.lock

@@ -778,15 +778,6 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c41e0c4fef86961ac6d6f8a82609f55f31b05e4fce149ac5710e439df7619ba4"
 
-[[package]]
-name = "mach"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b823e83b2affd8f40a9ee8c29dbc56404c1e34cd2710921f2801e2cf29527afa"
-dependencies = [
- "libc",
-]
-
 [[package]]
 name = "markup5ever"
 version = "0.8.1"
@@ -1663,7 +1654,6 @@ dependencies = [
  "select",
  "serial_test",
  "sha3",
- "slice-deque",
  "smallvec",
  "sodiumoxide",
  "static_assertions",
@@ -1826,17 +1816,6 @@ version = "0.4.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9def91fd1e018fe007022791f865d0ccc9b3a0d5001e01aabb8b40e46000afb5"
 
-[[package]]
-name = "slice-deque"
-version = "0.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "31ef6ee280cdefba6d2d0b4b78a84a1c1a3f3a4cec98c2d4231c8bc225de0f25"
-dependencies = [
- "libc",
- "mach",
- "winapi",
-]
-
 [[package]]
 name = "smallvec"
 version = "1.8.0"