hifive 0.2.0

# rustc version
rustc 1.28.0-dev (b9bf4f162 2018-06-02)# docs.rs version
cratesfyi 0.5.0 (579f83b 2018-03-05)# build log
Updating registry `https://github.com/rust-lang/crates.io-index`
Downloading hifive v0.2.0
Fresh bare-metal v0.2.1
Fresh void v1.0.2
Fresh r0 v0.2.2
Fresh nb v0.1.1
Fresh vcell v0.1.0
Compiling e310x-hal v0.2.0
Fresh riscv v0.3.0
Fresh embedded-hal v0.2.1
Running `/home/cratesfyi/cratesfyi/debug/build/e310x-hal-22521a6c2e6e12b8/build-script-build`
Compiling riscv-rt v0.3.0
Running `rustc --crate-name riscv_rt .cargo/registry/src/github.com-1ecc6299db9ec823/riscv-rt-0.3.0/src/lib.rs --crate-type lib --emit=dep-info,link -C debuginfo=2 -C metadata=cbb60b7ccdfe7452 -C extra-filename=-cbb60b7ccdfe7452 --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern r0=/home/cratesfyi/cratesfyi/debug/deps/libr0-7ce94e7a7e1d9499.rlib --extern-version r0=r0,0.2.2 --extern riscv=/home/cratesfyi/cratesfyi/debug/deps/libriscv-266be330023de2fa.rlib --extern-version riscv=riscv,0.3.0 --cap-lints allow -L /home/cratesfyi/cratesfyi/debug/build/riscv-rt-1016d3952836d701/out`
error[E0658]: The attribute `panic_implementation` is currently unknown to the compiler and may have meaning added to it in the future (see issue #29642)
--> .cargo/registry/src/github.com-1ecc6299db9ec823/riscv-rt-0.3.0/src/lang_items.rs:6:1
|
6 | #[panic_implementation]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(custom_attribute)] to the crate attributes to enable

error: aborting due to previous error

For more information about this error, try `rustc --explain E0658`.
thread 'main' panicked at 'Error(
CargoError(
ChainedError {
error: Could not compile `riscv-rt`.,
cause: process didn't exit successfully: `rustc --crate-name riscv_rt .cargo/registry/src/github.com-1ecc6299db9ec823/riscv-rt-0.3.0/src/lib.rs --crate-type lib --emit=dep-info,link -C debuginfo=2 -C metadata=cbb60b7ccdfe7452 -C extra-filename=-cbb60b7ccdfe7452 --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern r0=/home/cratesfyi/cratesfyi/debug/deps/libr0-7ce94e7a7e1d9499.rlib --extern-version r0=r0,0.2.2 --extern riscv=/home/cratesfyi/cratesfyi/debug/deps/libriscv-266be330023de2fa.rlib --extern-version riscv=riscv,0.3.0 --cap-lints allow -L /home/cratesfyi/cratesfyi/debug/build/riscv-rt-1016d3952836d701/out` (exit code: 101)
}
),
State {
next_error: None,
backtrace: None
}
)', src/bin/cratesfyi.rs:142:13
note: Run with `RUST_BACKTRACE=1` for a backtrace.