Aug 02 06:36:27.322 INFO checking ion-0.8.1 against 1.27.2 for lazy_static-1
Aug 02 06:36:27.322 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:36:27.322 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 02 06:36:27.323 INFO running `"docker" "create" "-v" "/tmp/crater.JZa44mhWmBHA:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-4/1.27.2:/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 06:36:27.521 INFO blam! 67ed8989529bec043d6cb79dbb2c394fe929f81efa175d40ffc964901dcfccaa
Aug 02 06:36:27.524 INFO running `"docker" "start" "-a" "67ed8989529bec043d6cb79dbb2c394fe929f81efa175d40ffc964901dcfccaa"`
Aug 02 06:36:28.784 INFO kablam!     Checking ion v0.8.1 (file:///source)
Aug 02 06:36:29.609 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:36:29.609 INFO kablam!  --> src/lib.rs:1:1
Aug 02 06:36:29.609 INFO kablam!   |
Aug 02 06:36:29.609 INFO kablam! 1 | #![feature(slice_patterns)]
Aug 02 06:36:29.609 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:36:29.609 INFO kablam! 
Aug 02 06:36:29.610 INFO kablam! error: aborting due to previous error
Aug 02 06:36:29.610 INFO kablam! 
Aug 02 06:36:29.611 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:36:29.628 INFO kablam! error: Could not compile `ion`.
Aug 02 06:36:29.629 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 02 06:36:29.678 INFO kablam! error[E0554]: #![feature] may not be used on the stable release channel
Aug 02 06:36:29.678 INFO kablam!  --> src/lib.rs:1:1
Aug 02 06:36:29.678 INFO kablam!   |
Aug 02 06:36:29.678 INFO kablam! 1 | #![feature(slice_patterns)]
Aug 02 06:36:29.678 INFO kablam!   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
Aug 02 06:36:29.688 INFO kablam! 
Aug 02 06:36:29.695 INFO kablam! error: aborting due to previous error
Aug 02 06:36:29.695 INFO kablam! 
Aug 02 06:36:29.695 INFO kablam! For more information about this error, try `rustc --explain E0554`.
Aug 02 06:36:29.703 INFO kablam! error: Could not compile `ion`.
Aug 02 06:36:29.704 INFO kablam! 
Aug 02 06:36:29.704 INFO kablam! To learn more, run the command again with --verbose.
Aug 02 06:36:29.706 INFO kablam! su: No module specific data is present
Aug 02 06:36:30.321 INFO running `"docker" "rm" "-f" "67ed8989529bec043d6cb79dbb2c394fe929f81efa175d40ffc964901dcfccaa"`
Aug 02 06:36:30.472 INFO blam! 67ed8989529bec043d6cb79dbb2c394fe929f81efa175d40ffc964901dcfccaa