Aug 02 02:43:53.668 INFO checking panic-itm-0.2.0 against 1.27.2 for lazy_static-1
Aug 02 02:43:53.668 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:43:53.668 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 02:43:53.668 INFO running `"docker" "create" "-v" "/tmp/crater.Loe5DdKaUPS1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2:/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 02:43:53.902 INFO blam! 09b459935f66ecaa425a39311a303dcabb73bddf5d0556c9f002cd2aeedd38a2
Aug 02 02:43:53.902 INFO running `"docker" "start" "-a" "09b459935f66ecaa425a39311a303dcabb73bddf5d0556c9f002cd2aeedd38a2"`
Aug 02 02:43:55.295 INFO kablam!     Checking panic-itm v0.2.0 (file:///source)
Aug 02 02:43:55.678 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:43:55.678 INFO kablam!   --> src/lib.rs:33:1
Aug 02 02:43:55.678 INFO kablam!    |
Aug 02 02:43:55.678 INFO kablam! 33 | #![feature(panic_implementation)]
Aug 02 02:43:55.678 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:43:55.678 INFO kablam! 
Aug 02 02:43:55.678 INFO kablam! 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)
Aug 02 02:43:55.678 INFO kablam!   --> src/lib.rs:44:1
Aug 02 02:43:55.678 INFO kablam!    |
Aug 02 02:43:55.678 INFO kablam! 44 | #[panic_implementation]
Aug 02 02:43:55.678 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:43:55.678 INFO kablam! 
Aug 02 02:43:55.679 INFO kablam! error: aborting due to 2 previous errors
Aug 02 02:43:55.679 INFO kablam! 
Aug 02 02:43:55.679 INFO kablam! Some errors occurred: E0554, E0658.
Aug 02 02:43:55.679 INFO kablam! For more information about an error, try `rustc --explain E0554`.
Aug 02 02:43:55.683 INFO kablam! error: Could not compile `panic-itm`.
Aug 02 02:43:55.684 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 02:43:55.911 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 02:43:55.911 INFO kablam!   --> src/lib.rs:33:1
Aug 02 02:43:55.911 INFO kablam!    |
Aug 02 02:43:55.911 INFO kablam! 33 | #![feature(panic_implementation)]
Aug 02 02:43:55.911 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:43:55.911 INFO kablam! 
Aug 02 02:43:55.912 INFO kablam! 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)
Aug 02 02:43:55.912 INFO kablam!   --> src/lib.rs:44:1
Aug 02 02:43:55.912 INFO kablam!    |
Aug 02 02:43:55.912 INFO kablam! 44 | #[panic_implementation]
Aug 02 02:43:55.912 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 02:43:55.912 INFO kablam! 
Aug 02 02:43:55.912 INFO kablam! error: aborting due to 2 previous errors
Aug 02 02:43:55.912 INFO kablam! 
Aug 02 02:43:55.912 INFO kablam! Some errors occurred: E0554, E0658.
Aug 02 02:43:55.912 INFO kablam! For more information about an error, try `rustc --explain E0554`.
Aug 02 02:43:55.919 INFO kablam! error: Could not compile `panic-itm`.
Aug 02 02:43:55.919 INFO kablam! 
Aug 02 02:43:55.919 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 02:43:55.920 INFO kablam! su: No module specific data is present
Aug 02 02:43:56.777 INFO running `"docker" "rm" "-f" "09b459935f66ecaa425a39311a303dcabb73bddf5d0556c9f002cd2aeedd38a2"`
Aug 02 02:43:57.003 INFO blam! 09b459935f66ecaa425a39311a303dcabb73bddf5d0556c9f002cd2aeedd38a2