Apparently due to a github bug, depending on rev hashes is not working

Cargo.lock

@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.15"
@@ -272,7 +274,7 @@ dependencies = [
 [[package]]
 name = "libsodium-sys"
 version = "0.2.6"
-source = "git+https://github.com/cjdelisle/sodiumoxide?rev=3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d#3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d"
+source = "git+https://github.com/cjdelisle/sodiumoxide?branch=cjdns#3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d"
 dependencies = [
  "cc",
  "libc",
@@ -517,7 +519,7 @@ checksum = "7fdf1b9db47230893d76faad238fd6097fd6d6a9245cd7a4d90dbd639536bbd2"
 [[package]]
 name = "sodiumoxide"
 version = "0.2.6"
-source = "git+https://github.com/cjdelisle/sodiumoxide?rev=3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d#3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d"
+source = "git+https://github.com/cjdelisle/sodiumoxide?branch=cjdns#3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d"
 dependencies = [
  "libc",
  "libsodium-sys",

rust/cjdns_sys/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 build = "build.rs"
 
 [dependencies]
-sodiumoxide = { git = "https://github.com/cjdelisle/sodiumoxide", rev = "3aa7e8e21b9cd61ad64f4a0ed125d5b1af2cf38d", version = "0.2", default-features = false, features = ["std"] }
+sodiumoxide = { git = "https://github.com/cjdelisle/sodiumoxide", branch = "cjdns", version = "0.2", default-features = false, features = ["std"] }
 thiserror = "1.0"
 anyhow = "1.0"