Aug 02 09:23:04.516 INFO checking gemma_m0-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 09:23:04.516 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:23:04.516 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 09:23:04.516 INFO running `"docker" "create" "-v" "/tmp/crater.7ePJkn3AtE5e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2:/target:rw,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 02 09:23:04.797 INFO blam! fde10ac6d4e72465af4a23cc835cb2621a50582d4fc34d0030e591960441e9e6
Aug 02 09:23:04.799 INFO running `"docker" "start" "-a" "fde10ac6d4e72465af4a23cc835cb2621a50582d4fc34d0030e591960441e9e6"`
Aug 02 09:23:06.455 INFO kablam!     Checking aligned v0.1.2
Aug 02 09:23:06.462 INFO kablam!     Checking bare-metal v0.1.2
Aug 02 09:23:06.464 INFO kablam!     Checking untagged-option v0.1.1
Aug 02 09:23:06.467 INFO kablam!     Checking panic-abort v0.1.1
Aug 02 09:23:06.469 INFO kablam!    Compiling cortex-m-rt v0.4.0
Aug 02 09:23:06.780 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:23:06.780 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/aligned-0.1.2/src/lib.rs:32:35
Aug 02 09:23:06.780 INFO kablam!    |
Aug 02 09:23:06.780 INFO kablam! 32 | #![cfg_attr(feature = "const-fn", feature(const_fn))]
Aug 02 09:23:06.780 INFO kablam!    |                                   ^^^^^^^^^^^^^^^^^^
Aug 02 09:23:06.780 INFO kablam! 
Aug 02 09:23:06.782 INFO kablam! error: aborting due to previous error
Aug 02 09:23:06.782 INFO kablam! 
Aug 02 09:23:06.782 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:23:06.790 INFO kablam! error: Could not compile `aligned`.
Aug 02 09:23:06.790 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:23:06.866 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:23:06.866 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/untagged-option-0.1.1/src/lib.rs:5:1
Aug 02 09:23:06.867 INFO kablam!   |
Aug 02 09:23:06.867 INFO kablam! 5 | #![feature(untagged_unions, const_fn)]
Aug 02 09:23:06.867 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:23:06.867 INFO kablam! 
Aug 02 09:23:06.867 INFO kablam! error: aborting due to previous error
Aug 02 09:23:06.867 INFO kablam! 
Aug 02 09:23:06.867 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:23:06.869 INFO kablam! error: Could not compile `untagged-option`.
Aug 02 09:23:06.869 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:23:06.893 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:23:06.893 INFO kablam!  --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/bare-metal-0.1.2/src/lib.rs:5:35
Aug 02 09:23:06.893 INFO kablam!   |
Aug 02 09:23:06.893 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 09:23:06.893 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:23:06.893 INFO kablam! 
Aug 02 09:23:06.894 INFO kablam! error: aborting due to previous error
Aug 02 09:23:06.894 INFO kablam! 
Aug 02 09:23:06.894 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:23:06.899 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 09:23:06.899 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 09:23:06.942 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:23:06.942 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.1.1/src/lib.rs:21:1
Aug 02 09:23:06.942 INFO kablam!    |
Aug 02 09:23:06.942 INFO kablam! 21 | #![feature(core_intrinsics)]
Aug 02 09:23:06.942 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:23:06.943 INFO kablam! 
Aug 02 09:23:06.943 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 09:23:06.943 INFO kablam!   --> /cargo-home/registry/src/github.com-1ecc6299db9ec823/panic-abort-0.1.1/src/lib.rs:22:1
Aug 02 09:23:06.943 INFO kablam!    |
Aug 02 09:23:06.943 INFO kablam! 22 | #![feature(lang_items)]
Aug 02 09:23:06.943 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 09:23:06.943 INFO kablam! 
Aug 02 09:23:06.943 INFO kablam! error: aborting due to 2 previous errors
Aug 02 09:23:06.943 INFO kablam! 
Aug 02 09:23:06.943 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 09:23:06.949 INFO kablam! error: Could not compile `panic-abort`.
Aug 02 09:23:06.949 INFO kablam! 
Aug 02 09:23:06.949 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 09:23:06.950 INFO kablam! su: No module specific data is present
Aug 02 09:23:07.571 INFO running `"docker" "rm" "-f" "fde10ac6d4e72465af4a23cc835cb2621a50582d4fc34d0030e591960441e9e6"`
Aug 02 09:23:07.725 INFO blam! fde10ac6d4e72465af4a23cc835cb2621a50582d4fc34d0030e591960441e9e6