Aug 18 02:48:00.622 INFO checking blissb-0.1.0 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 18 02:48:00.622 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 02:48:00.622 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 18 02:48:00.622 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-2/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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" "-e" "USER_ID=500" "-e" "CMD=cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 18 02:48:00.874 INFO blam! 769c8af2b5ab3693fbfbf6b8c69ff8e471dfa4a890d1da922d0daf3c5e9d9ca3
Aug 18 02:48:00.877 INFO running `"docker" "start" "-a" "769c8af2b5ab3693fbfbf6b8c69ff8e471dfa4a890d1da922d0daf3c5e9d9ca3"`
Aug 18 02:48:01.869 INFO kablam!     Checking bitpack v0.1.1
Aug 18 02:48:02.344 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Aug 18 02:48:04.491 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Aug 18 02:48:04.491 INFO kablam!  --> src/lib.rs:1:21
Aug 18 02:48:04.491 INFO kablam!   |
Aug 18 02:48:04.491 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 18 02:48:04.491 INFO kablam!   |                     ^^^^^^^^^^^^^
Aug 18 02:48:04.491 INFO kablam!   |
Aug 18 02:48:04.491 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 18 02:48:04.491 INFO kablam! 
Aug 18 02:48:04.495 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 18 02:48:04.495 INFO kablam!  --> src/lib.rs:1:12
Aug 18 02:48:04.495 INFO kablam!   |
Aug 18 02:48:04.495 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 18 02:48:04.495 INFO kablam!   |            ^^^^^^^
Aug 18 02:48:04.495 INFO kablam! 
Aug 18 02:48:04.578 INFO kablam! error: aborting due to previous error
Aug 18 02:48:04.578 INFO kablam! 
Aug 18 02:48:04.578 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 18 02:48:04.595 INFO kablam! error: Could not compile `blissb`.
Aug 18 02:48:04.595 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 18 02:48:04.894 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Aug 18 02:48:04.894 INFO kablam!  --> src/lib.rs:1:21
Aug 18 02:48:04.894 INFO kablam!   |
Aug 18 02:48:04.894 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 18 02:48:04.894 INFO kablam!   |                     ^^^^^^^^^^^^^
Aug 18 02:48:04.894 INFO kablam!   |
Aug 18 02:48:04.894 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 18 02:48:04.894 INFO kablam! 
Aug 18 02:48:04.898 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 18 02:48:04.898 INFO kablam!  --> src/lib.rs:1:12
Aug 18 02:48:04.898 INFO kablam!   |
Aug 18 02:48:04.898 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 18 02:48:04.898 INFO kablam!   |            ^^^^^^^
Aug 18 02:48:04.898 INFO kablam! 
Aug 18 02:48:04.946 INFO kablam! error: aborting due to previous error
Aug 18 02:48:04.946 INFO kablam! 
Aug 18 02:48:04.947 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 18 02:48:04.974 INFO kablam! error: Could not compile `blissb`.
Aug 18 02:48:04.974 INFO kablam! 
Aug 18 02:48:04.974 INFO kablam! To learn more, run the command again with --verbose.
Aug 18 02:48:04.976 INFO kablam! su: No module specific data is present
Aug 18 02:48:05.510 INFO running `"docker" "rm" "-f" "769c8af2b5ab3693fbfbf6b8c69ff8e471dfa4a890d1da922d0daf3c5e9d9ca3"`
Aug 18 02:48:05.681 INFO blam! 769c8af2b5ab3693fbfbf6b8c69ff8e471dfa4a890d1da922d0daf3c5e9d9ca3