Aug 02 14:23:07.207 INFO checking bare-metal-0.1.2 against 1.27.2+tmplazy for lazy_static-1
Aug 02 14:23:07.207 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:23:07.207 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 14:23:07.207 INFO running `"docker" "create" "-v" "/tmp/crater.wpr3kbi1T1GE:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-3/1.27.2+tmplazy:/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 14:23:07.424 INFO blam! df3e725333db41ef013b261cc246f27ea901d910fcd44a6472ebb877cdc9af6c
Aug 02 14:23:07.425 INFO running `"docker" "start" "-a" "df3e725333db41ef013b261cc246f27ea901d910fcd44a6472ebb877cdc9af6c"`
Aug 02 14:23:08.570 INFO kablam!     Checking bare-metal v0.1.2 (file:///source)
Aug 02 14:23:08.792 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:23:08.792 INFO kablam!  --> src/lib.rs:5:35
Aug 02 14:23:08.792 INFO kablam!   |
Aug 02 14:23:08.792 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 14:23:08.792 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:23:08.792 INFO kablam! 
Aug 02 14:23:08.793 INFO kablam! error: aborting due to previous error
Aug 02 14:23:08.793 INFO kablam! 
Aug 02 14:23:08.793 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:23:08.797 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 14:23:08.797 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 14:23:09.077 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 14:23:09.078 INFO kablam!  --> src/lib.rs:5:35
Aug 02 14:23:09.078 INFO kablam!   |
Aug 02 14:23:09.078 INFO kablam! 5 | #![cfg_attr(feature = "const-fn", feature(const_fn, const_unsafe_cell_new))]
Aug 02 14:23:09.078 INFO kablam!   |                                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 14:23:09.078 INFO kablam! 
Aug 02 14:23:09.078 INFO kablam! error: aborting due to previous error
Aug 02 14:23:09.078 INFO kablam! 
Aug 02 14:23:09.078 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 14:23:09.083 INFO kablam! error: Could not compile `bare-metal`.
Aug 02 14:23:09.083 INFO kablam! 
Aug 02 14:23:09.083 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 14:23:09.085 INFO kablam! su: No module specific data is present
Aug 02 14:23:10.522 INFO running `"docker" "rm" "-f" "df3e725333db41ef013b261cc246f27ea901d910fcd44a6472ebb877cdc9af6c"`
Aug 02 14:23:10.680 INFO blam! df3e725333db41ef013b261cc246f27ea901d910fcd44a6472ebb877cdc9af6c