Aug 30 22:58:31.853 INFO checking blissb-0.1.0 against try#bc5a74802bb3ffc82f51ef04bca58d64220124c4 for pr-53699
Aug 30 22:58:31.853 INFO running: cargo +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets
Aug 30 22:58:31.853 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53699/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-3/try#bc5a74802bb3ffc82f51ef04bca58d64220124c4:/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 +bc5a74802bb3ffc82f51ef04bca58d64220124c4-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 22:58:32.041 INFO blam! f6d64dff5f96db8ae6872d4541f2128959a7d883d4e779ca2b584c8b12c7eca2
Aug 30 22:58:32.043 INFO running `"docker" "start" "-a" "f6d64dff5f96db8ae6872d4541f2128959a7d883d4e779ca2b584c8b12c7eca2"`
Aug 30 22:58:32.841 INFO kablam!     Checking bitpack v0.1.1
Aug 30 22:58:33.122 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Aug 30 22:58:34.660 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Aug 30 22:58:34.660 INFO kablam!  --> src/lib.rs:1:21
Aug 30 22:58:34.660 INFO kablam!   |
Aug 30 22:58:34.660 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 30 22:58:34.660 INFO kablam!   |                     ^^^^^^^^^^^^^
Aug 30 22:58:34.660 INFO kablam!   |
Aug 30 22:58:34.661 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 22:58:34.661 INFO kablam! 
Aug 30 22:58:34.661 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 30 22:58:34.661 INFO kablam!  --> src/lib.rs:1:12
Aug 30 22:58:34.661 INFO kablam!   |
Aug 30 22:58:34.661 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 30 22:58:34.661 INFO kablam!   |            ^^^^^^^
Aug 30 22:58:34.661 INFO kablam! 
Aug 30 22:58:34.683 INFO kablam! error: aborting due to previous error
Aug 30 22:58:34.683 INFO kablam! 
Aug 30 22:58:34.683 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 22:58:34.690 INFO kablam! error: Could not compile `blissb`.
Aug 30 22:58:34.690 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 30 22:58:34.734 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Aug 30 22:58:34.734 INFO kablam!  --> src/lib.rs:1:21
Aug 30 22:58:34.734 INFO kablam!   |
Aug 30 22:58:34.734 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 30 22:58:34.734 INFO kablam!   |                     ^^^^^^^^^^^^^
Aug 30 22:58:34.734 INFO kablam!   |
Aug 30 22:58:34.734 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 30 22:58:34.734 INFO kablam! 
Aug 30 22:58:34.734 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 30 22:58:34.734 INFO kablam!  --> src/lib.rs:1:12
Aug 30 22:58:34.734 INFO kablam!   |
Aug 30 22:58:34.734 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 30 22:58:34.734 INFO kablam!   |            ^^^^^^^
Aug 30 22:58:34.734 INFO kablam! 
Aug 30 22:58:34.749 INFO kablam! error: aborting due to previous error
Aug 30 22:58:34.749 INFO kablam! 
Aug 30 22:58:34.749 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 22:58:34.757 INFO kablam! error: Could not compile `blissb`.
Aug 30 22:58:34.757 INFO kablam! 
Aug 30 22:58:34.757 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 22:58:34.758 INFO kablam! su: No module specific data is present
Aug 30 22:58:35.175 INFO running `"docker" "rm" "-f" "f6d64dff5f96db8ae6872d4541f2128959a7d883d4e779ca2b584c8b12c7eca2"`
Aug 30 22:58:35.327 INFO blam! f6d64dff5f96db8ae6872d4541f2128959a7d883d4e779ca2b584c8b12c7eca2