cargo update -p bytecount

Commit range: llogiq/bytecount@b0f5fba...8dcd437

The full log:
```
Updating bytecount v0.6.0 -> v0.6.2
Adding libm v0.1.4
Removing packed_simd v0.3.3
Adding packed_simd_2 v0.3.4
```

Cargo.lock

@@ -252,11 +252,11 @@ checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
 [[package]]
 name = "bytecount"
-version = "0.6.0"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b0017894339f586ccb943b01b9555de56770c11cda818e7e3d8bd93f4ed7f46e"
+checksum = "72feb31ffc86498dacdbd0fcebb56138e7177a8cc5cea4516031d15ae85a742e"
 dependencies = [
- "packed_simd",
+ "packed_simd_2",
 ]
 
 [[package]]
@@ -1901,6 +1901,12 @@ dependencies = [
  "pkg-config",
 ]
 
+[[package]]
+name = "libm"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7fc7aa29613bd6a620df431842069224d8bc9011086b1db4c0e0cd47fa03ec9a"
+
 [[package]]
 name = "libnghttp2-sys"
 version = "0.1.4+1.41.0"
@@ -2435,12 +2441,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "packed_simd"
-version = "0.3.3"
+name = "packed_simd_2"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a85ea9fc0d4ac0deb6fe7911d38786b32fc11119afd9e9d38b84ff691ce64220"
+checksum = "3278e0492f961fd4ae70909f56b2723a7e8d01a228427294e19cdfdebda89a17"
 dependencies = [
  "cfg-if 0.1.10",
+ "libm",
 ]
 
 [[package]]