Steed_Issue

xargo build --bin hello-world3 --target armv7-unknown-linux-steedeabihf
   Compiling core v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/libcore)
   Compiling alloc v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/liballoc)
   Compiling std_unicode v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/libstd_unicode)
   Compiling collections v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/libcollections)
    Finished release [optimized] target(s) in 19.60 secs
   Compiling rand v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/librand)
    Finished release [optimized] target(s) in 1.62 secs
    Updating git repository `https://github.com/rust-lang-nursery/compiler-builtins`


   Compiling compiler_builtins v0.1.0 (https://github.com/rust-lang-nursery/compiler-builtins#280d19f1)
^C
Socrates:hello-world3 bRad$ xargo build --bin hello-world3 --target armv7-unknown-linux-steedeabihf
   Compiling core v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/libcore)
   Compiling std_unicode v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/libstd_unicode)
   Compiling alloc v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/liballoc)
   Compiling collections v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/libcollections)
    Finished release [optimized] target(s) in 19.49 secs
   Compiling rand v0.0.0 (file:///Users/bRad/.rustup/toolchains/nightly-x86_64-apple-darwin/lib/rustlib/src/rust/src/librand)
    Finished release [optimized] target(s) in 1.61 secs
    Updating git repository `https://github.com/rust-lang-nursery/compiler-builtins`
   Compiling compiler_builtins v0.1.0 (https://github.com/rust-lang-nursery/compiler-builtins#280d19f1)
    Finished release [optimized] target(s) in 2.54 secs
    Updating git repository `https://github.com/japaric/steed`
    Updating registry `https://github.com/rust-lang/crates.io-index`
    Updating git repository `https://github.com/redox-os/ralloc`
   Compiling unborrow v0.3.1
   Compiling sc v0.1.5
   Compiling ralloc_shim v0.1.1 (https://github.com/redox-os/ralloc#e31a743e)
   Compiling ralloc v1.0.0 (https://github.com/redox-os/ralloc#e31a743e)
   Compiling std v0.1.0 (https://github.com/japaric/steed#6f7f55dd)
error: use of unstable library feature 'collections_bound' (see issue #27787)
   --> /Users/bRad/.cargo/git/checkouts/steed-63ab0a422b3ba8a3/6f7f55d/src/collections/mod.rs:423:9
    |
423 | pub use core_collections::Bound;
    |         ^^^^^^^^^^^^^^^^^^^^^^^
    |
    = help: add #![feature(collections_bound)] to the crate attributes to enable

error: no method named `as_mut_ptr` found for type `core::ptr::Shared<collections::hash::table::RawTable<K, V>>` in the current scope
    --> /Users/bRad/.cargo/git/checkouts/steed-63ab0a422b3ba8a3/6f7f55d/src/collections/hash/table.rs:1007:30
     |
1007 |                 (*self.table.as_mut_ptr()).size -= 1;
     |                              ^^^^^^^^^^

error: aborting due to previous error

error: Could not compile `std`.

To learn more, run the command again with --verbose.
error: `"cargo" "build" "--release" "--manifest-path" "/var/folders/4f/s_wvdrd15ljdywkl0tcp25r00000gp/T/xargo.hd8w6DBvBuhj/Cargo.toml" "--target" "armv7-unknown-linux-steedeabihf" "-p" "std"` failed with exit code: Some(101)
note: run with `RUST_BACKTRACE=1` for a backtrace