Using obsolete "for Sized?" syntax

[chills42]

After an update to the latest nightly I have compilation issues

rustc --version
rustc 1.0.0-nightly (ea6f65c5f 2015-01-06 19:47:08 +0000)

cargo build
Compiling rustc-serialize v0.2.5
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/serialize.rs:193:25: 193:30 error: obsolete syntax: for Sized?
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/serialize.rs:193 pub trait Encodable for Sized? {
^~~~~
note: no longer required. Traits (and their Self type) do not have the Sized bound by default
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/serialize.rs:399:17: 399:18 error: obsolete syntax: Sized? T syntax for removing the Sized bound
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/serialize.rs:399 impl<'a, Sized? T: Encodable> Encodable for &'a T {
^
note: write T: ?Sized instead
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/serialize.rs:405:13: 405:14 error: obsolete syntax: Sized? T syntax for removing the Sized bound
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/serialize.rs:405 impl<Sized? T: Encodable> Encodable for Box {
^
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/base64.rs:73:24: 73:29 error: obsolete syntax: for Sized?
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/base64.rs:73 pub trait ToBase64 for Sized? {
^~~~~
note: no longer required. Traits (and their Self type) do not have the Sized bound by default
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/base64.rs:173:26: 173:31 error: obsolete syntax: for Sized?
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/base64.rs:173 pub trait FromBase64 for Sized? {
^~~~~
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/hex.rs:21:21: 21:26 error: obsolete syntax: for Sized?
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/hex.rs:21 pub trait ToHex for Sized? {
^~~~~
note: no longer required. Traits (and their Self type) do not have the Sized bound by default
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/hex.rs:57:23: 57:28 error: obsolete syntax: for Sized?
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/hex.rs:57 pub trait FromHex for Sized? {
^~~~~
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/json.rs:2305:22: 2305:27 error: obsolete syntax: for Sized?
/Users/craig.hills/.cargo/registry/src/github.com-1ecc6299db9ec823/rustc-serialize-0.2.5/src/json.rs:2305 pub trait ToJson for Sized? {
^~~~~
note: no longer required. Traits (and their Self type) do not have the Sized bound by default
error: aborting due to 8 previous errors
Could not compile rustc-serialize.

[chills42]

I believe #19 should fix this.

[TyOverby]

Should this issue be closed now?

[alexcrichton]

Aha, yes!