stm32f3 0.3.2

# 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 stm32f3 v0.3.2
Fresh vcell v0.1.0
Fresh unicode-xid v0.1.0
Fresh aligned v0.2.0
Compiling stm32f3 v0.3.2
Fresh rand_core v0.3.0
Fresh volatile-register v0.2.0
Fresh bare-metal v0.2.3
Running `rustc --crate-name build_script_build .cargo/registry/src/github.com-1ecc6299db9ec823/stm32f3-0.3.2/build.rs --crate-type bin --emit=dep-info,link -C debuginfo=2 --cfg 'feature="cortex-m-rt"' --cfg 'feature="rt"' --cfg 'feature="stm32f373"' --cfg 'feature="stm32f3x8"' --cfg 'feature="stm32f303"' --cfg 'feature="default"' -C metadata=d622f8946f758dab -C extra-filename=-d622f8946f758dab --out-dir /home/cratesfyi/cratesfyi/debug/build/stm32f3-d622f8946f758dab -L dependency=/home/cratesfyi/cratesfyi/debug/deps --cap-lints allow`
Fresh rand_core v0.2.2
Fresh r0 v0.2.2
Fresh proc-macro2 v0.4.20
Fresh quote v0.6.8
Fresh rand v0.5.5
Fresh cortex-m v0.5.7
Fresh syn v0.15.9
Compiling cortex-m-rt-macros v0.1.2
Running `rustc --crate-name cortex_m_rt_macros .cargo/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-macros-0.1.2/src/lib.rs --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=ee165841658e98a6 -C extra-filename=-ee165841658e98a6 --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern quote=/home/cratesfyi/cratesfyi/debug/deps/libquote-5f93e316f9f0b34f.rlib --extern-version quote=quote,0.6.8 --extern proc_macro2=/home/cratesfyi/cratesfyi/debug/deps/libproc_macro2-9cfead491f541d08.rlib --extern-version proc_macro2=proc-macro2,0.4.20 --extern syn=/home/cratesfyi/cratesfyi/debug/deps/libsyn-80171353ec86c881.rlib --extern-version syn=syn,0.15.9 --extern rand=/home/cratesfyi/cratesfyi/debug/deps/librand-bdd22824856dc6af.rlib --extern-version rand=rand,0.5.5 --cap-lints allow`
Running `/home/cratesfyi/cratesfyi/debug/build/stm32f3-d622f8946f758dab/build-script-build`
error[E0658]: attribute proc macros are currently unstable (see issue #38356)
--> .cargo/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-macros-0.1.2/src/lib.rs:79:1
|
79 | #[proc_macro_attribute]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(proc_macro)] to the crate attributes to enable

error[E0658]: attribute proc macros are currently unstable (see issue #38356)
--> .cargo/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-macros-0.1.2/src/lib.rs:255:1
|
255 | #[proc_macro_attribute]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(proc_macro)] to the crate attributes to enable

error[E0658]: attribute proc macros are currently unstable (see issue #38356)
--> .cargo/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-macros-0.1.2/src/lib.rs:461:1
|
461 | #[proc_macro_attribute]
| ^^^^^^^^^^^^^^^^^^^^^^^
|
= help: add #![feature(proc_macro)] to the crate attributes to enable

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0658`.
thread 'main' panicked at 'Error(
CargoError(
ChainedError {
error: Could not compile `cortex-m-rt-macros`.,
cause: process didn't exit successfully: `rustc --crate-name cortex_m_rt_macros .cargo/registry/src/github.com-1ecc6299db9ec823/cortex-m-rt-macros-0.1.2/src/lib.rs --crate-type proc-macro --emit=dep-info,link -C prefer-dynamic -C debuginfo=2 -C metadata=ee165841658e98a6 -C extra-filename=-ee165841658e98a6 --out-dir /home/cratesfyi/cratesfyi/debug/deps -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern quote=/home/cratesfyi/cratesfyi/debug/deps/libquote-5f93e316f9f0b34f.rlib --extern-version quote=quote,0.6.8 --extern proc_macro2=/home/cratesfyi/cratesfyi/debug/deps/libproc_macro2-9cfead491f541d08.rlib --extern-version proc_macro2=proc-macro2,0.4.20 --extern syn=/home/cratesfyi/cratesfyi/debug/deps/libsyn-80171353ec86c881.rlib --extern-version syn=syn,0.15.9 --extern rand=/home/cratesfyi/cratesfyi/debug/deps/librand-bdd22824856dc6af.rlib --extern-version rand=rand,0.5.5 --cap-lints allow` (exit code: 101)
}
),
State {
next_error: None,
backtrace: None
}
)', src/bin/cratesfyi.rs:142:13
note: Run with `RUST_BACKTRACE=1` for a backtrace.