Aug 02 05:24:09.985 INFO checking libmcs-0.1.0 against 1.27.2 for lazy_static-1
Aug 02 05:24:09.985 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:24:09.985 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 05:24:09.986 INFO running `"docker" "create" "-v" "/tmp/crater.w48zizpbRr7d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-1/1.27.2:/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 05:24:10.199 INFO blam! c15b882a8a4fdb8bf5a9979607d4c1fe1a8232d7b8c120d76f5f99e17a2ca193
Aug 02 05:24:10.201 INFO running `"docker" "start" "-a" "c15b882a8a4fdb8bf5a9979607d4c1fe1a8232d7b8c120d76f5f99e17a2ca193"`
Aug 02 05:24:11.238 INFO kablam!     Checking libmcs v0.1.0 (file:///source)
Aug 02 05:24:11.628 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:11.628 INFO kablam!   --> src/lib.rs:15:1
Aug 02 05:24:11.628 INFO kablam!    |
Aug 02 05:24:11.629 INFO kablam! 15 | #![feature(optin_builtin_traits)]
Aug 02 05:24:11.629 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:11.629 INFO kablam! 
Aug 02 05:24:11.629 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:11.629 INFO kablam!   --> src/lib.rs:16:1
Aug 02 05:24:11.629 INFO kablam!    |
Aug 02 05:24:11.629 INFO kablam! 16 | #![feature(const_fn)]
Aug 02 05:24:11.629 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:11.629 INFO kablam! 
Aug 02 05:24:11.629 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:24:11.629 INFO kablam! 
Aug 02 05:24:11.629 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:24:11.633 INFO kablam! error: Could not compile `libmcs`.
Aug 02 05:24:11.633 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 05:24:11.704 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:11.704 INFO kablam!   --> src/lib.rs:15:1
Aug 02 05:24:11.704 INFO kablam!    |
Aug 02 05:24:11.704 INFO kablam! 15 | #![feature(optin_builtin_traits)]
Aug 02 05:24:11.704 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:11.705 INFO kablam! 
Aug 02 05:24:11.705 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 05:24:11.705 INFO kablam!   --> src/lib.rs:16:1
Aug 02 05:24:11.705 INFO kablam!    |
Aug 02 05:24:11.705 INFO kablam! 16 | #![feature(const_fn)]
Aug 02 05:24:11.705 INFO kablam!    | ^^^^^^^^^^^^^^^^^^^^^
Aug 02 05:24:11.706 INFO kablam! 
Aug 02 05:24:11.709 INFO kablam! error: aborting due to 2 previous errors
Aug 02 05:24:11.709 INFO kablam! 
Aug 02 05:24:11.710 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 05:24:11.718 INFO kablam! error: Could not compile `libmcs`.
Aug 02 05:24:11.719 INFO kablam! 
Aug 02 05:24:11.719 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 05:24:11.720 INFO kablam! su: No module specific data is present
Aug 02 05:24:12.462 INFO running `"docker" "rm" "-f" "c15b882a8a4fdb8bf5a9979607d4c1fe1a8232d7b8c120d76f5f99e17a2ca193"`
Aug 02 05:24:12.631 INFO blam! c15b882a8a4fdb8bf5a9979607d4c1fe1a8232d7b8c120d76f5f99e17a2ca193