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# rustc version rustc 1.26.0-dev (0eb87c9bf 2018-03-16)
# docs.rs version cratesfyi 0.5.0 (579f83b 2018-03-05)
# build log Updating registry `https://github.com/rust-lang/crates.io-index` Downloading panic-itm v0.2.0 Fresh vcell v0.1.0 Fresh cc v1.0.17 Fresh bare-metal v0.2.0 Fresh aligned v0.2.0 Fresh volatile-register v0.2.0 Fresh cortex-m v0.5.2 Documenting panic-itm v0.2.0 Running `rustdoc --crate-name panic_itm .cargo/registry/src/github.com-1ecc6299db9ec823/panic-itm-0.2.0/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180316-1.26.0-dev-0eb87c9bf -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern cortex_m=/home/cratesfyi/cratesfyi/debug/deps/libcortex_m-29a70bb07e299324.rlib --extern-version cortex_m=cortex-m,0.5.2` 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/panic-itm-0.2.0/src/lib.rs:44:1 | 44 | #[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 document `panic-itm`., cause: process didn't exit successfully: `rustdoc --crate-name panic_itm .cargo/registry/src/github.com-1ecc6299db9ec823/panic-itm-0.2.0/src/lib.rs -o /home/cratesfyi/cratesfyi/doc -Z unstable-options --resource-suffix -20180316-1.26.0-dev-0eb87c9bf -L dependency=/home/cratesfyi/cratesfyi/debug/deps --extern cortex_m=/home/cratesfyi/cratesfyi/debug/deps/libcortex_m-29a70bb07e299324.rlib --extern-version cortex_m=cortex-m,0.5.2` (exit code: 101) } ), State { next_error: None, backtrace: None } )', src/bin/cratesfyi.rs:142:13 note: Run with `RUST_BACKTRACE=1` for a backtrace.