Serde error

gistfile1.txt

$ cargo build --verbose
       Fresh libc v0.1.10
       Fresh aster v0.4.6
       Fresh winapi v0.2.4
       Fresh quasi v0.3.2
       Fresh winapi-build v0.1.1
       Fresh rustc-serialize v0.3.16
       Fresh quasi_codegen v0.3.2
       Fresh quasi_macros v0.3.2
       Fresh serde_codegen v0.5.3
       Fresh advapi32-sys v0.1.2
       Fresh serde_macros v0.5.3
       Fresh rand v0.3.11
   Compiling serde-associated-types v0.1.0 (file:///home/paul/code/serde-associated-types)
     Running `rustc src/lib.rs --crate-name serde_associated_types --crate-type lib -g --out-dir /home/paul/code/serde-associated-types/target/debug --emit=dep-info,link -L dependency=/home/paul/code/serde-associated-types/target/debug -L dependency=/home/paul/code/serde-associated-types/target/debug/deps --extern serde_macros=/home/paul/code/serde-associated-types/target/debug/deps/libserde_macros-4c372054acc511ae.so --extern serde=/home/paul/code/serde-associated-types/target/debug/deps/libserde-8fb46c7af8b4fdf0.rlib`
       Fresh num v0.1.27
       Fresh serde v0.6.0
<quote expansion>:1:11: 1:18 error: associated type bindings are not allowed here [E0229]
<quote expansion>:1 <'__a, N, T = u32>
                              ^~~~~~~
src/lib.rs:11:17: 11:26 note: in this expansion of #[derive_Serialize] (defined in src/lib.rs)
<quote expansion>:1:43: 1:44 error: the type parameter `T` is not constrained by the impl trait, self type, or predicates [E0207]
<quote expansion>:1 <'__a, N: ::serde::ser::Serialize + '__a, T: MyTrait +
                                                              ^
<quote expansion>:1:43: 1:44 help: run `rustc --explain E0207` to see a detailed explanation
error: aborting due to 2 previous errors
Could not compile `serde-associated-types`.

Caused by:
  Process didn't exit successfully: `rustc src/lib.rs --crate-name serde_associated_types --crate-type lib -g --out-dir /home/paul/code/serde-associated-types/target/debug --emit=dep-info,link -L dependency=/home/paul/code/serde-associated-types/target/debug -L dependency=/home/paul/code/serde-associated-types/target/debug/deps --extern serde_macros=/home/paul/code/serde-associated-types/target/debug/deps/libserde_macros-4c372054acc511ae.so --extern serde=/home/paul/code/serde-associated-types/target/debug/deps/libserde-8fb46c7af8b4fdf0.rlib` (exit code: 101)