Can not build with dependencies to sodiumoxide = "0.0.12"

[xbee]

Can not build with dependencies to sodiumoxide = "0.0.12" , but if i change to dependencies to 0.0.15, it still have syntex_syntax error!

➜  tox-capi git:(master) make
test -e include || mkdir include
cd toxencryptsave; cargo build --release
    Updating registry `https://github.com/rust-lang/crates.io-index`
    Updating git repository `https://github.com/zetok/tox.git`
error: native library `sodium` is being linked to by more than one version of the same package, but it can only be linked once; try updating or pinning your dependencies to ensure that this package only shows up once

  libsodium-sys v0.0.12
  libsodium-sys v0.0.15
make: *** [encryptsave] Error 101
➜  tox-capi git:(master) vi toxencryptsave/Cargo.toml
➜  tox-capi git:(master) ✗ make
test -e include || mkdir include
cd toxencryptsave; cargo build --release
   Compiling rustc-serialize v0.3.24
   Compiling smallvec v0.2.1
   Compiling num-traits v0.1.40
   Compiling vec_map v0.4.0
   Compiling unicode-xid v0.0.3
   Compiling ansi_term v0.7.5
   Compiling pkg-config v0.3.9
   Compiling slab v0.3.0
   Compiling strsim v0.4.1
   Compiling slab v0.4.0
   Compiling scoped-tls v0.1.0
   Compiling bitflags v0.3.3
   Compiling winapi v0.2.8
   Compiling lazycell v0.5.1
   Compiling futures v0.1.16
   Compiling byteorder v1.1.0
   Compiling take v0.1.0
   Compiling log v0.3.8
   Compiling serde v1.0.15
   Compiling winapi-build v0.1.1
   Compiling cfg-if v0.1.2
   Compiling libc v0.2.32
   Compiling bitflags v0.4.0
   Compiling clap v1.5.6
   Compiling kernel32-sys v0.2.2
   Compiling rand v0.3.17
   Compiling net2 v0.2.31
   Compiling iovec v0.1.1
   Compiling memchr v1.0.1
   Compiling term v0.2.14
   Compiling libsodium-sys v0.0.15
   Compiling bytes v0.4.5
   Compiling nom v3.2.0
   Compiling mio v0.6.10
   Compiling tokio-service v0.1.0
   Compiling tokio-io v0.1.3
   Compiling tokio-core v0.1.10
   Compiling syntex_syntax v0.24.0
   Compiling toml v0.1.30
   Compiling sodiumoxide v0.0.15
   Compiling tokio-proto v0.1.1
   Compiling tox v0.0.1 (https://github.com/zetok/tox.git#b98d2b10)
error: to use a constant of type `codemap::Span` in a pattern, `codemap::Span` must be annotated with `#[derive(PartialEq, Eq)]`
   --> /Users/michael/.cargo/registry/src/github.com-1ecc6299db9ec823/syntex_syntax-0.24.0/src/errors/emitter.rs:100:18
    |
100 |             Some(COMMAND_LINE_SP) => self.emit_(FileLine(COMMAND_LINE_SP), msg, code, lvl),
    |                  ^^^^^^^^^^^^^^^

error: aborting due to previous error

error: Could not compile `syntex_syntax`.
warning: build failed, waiting for other jobs to finish...
error: build failed
make: *** [encryptsave] Error 101