Sep 04 22:57:22.895 INFO checking blissb-0.1.0 against master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c for pr-53893
Sep 04 22:57:22.895 INFO running: cargo +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets
Sep 04 22:57:22.895 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53893/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-1/master#28bcffead74d5e17c6cb1f7de432e37f93a6b50c:/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 +28bcffead74d5e17c6cb1f7de432e37f93a6b50c-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 22:57:23.090 INFO blam! 6f6127bf2b0ba6c66614c4c3948d5c2b49ba9b6bdf2d03b16e3d7ca75fb72f88
Sep 04 22:57:23.093 INFO running `"docker" "start" "-a" "6f6127bf2b0ba6c66614c4c3948d5c2b49ba9b6bdf2d03b16e3d7ca75fb72f88"`
Sep 04 22:57:23.787 INFO kablam!     Checking bitpack v0.1.1
Sep 04 22:57:24.106 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 04 22:57:25.677 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 04 22:57:25.677 INFO kablam!  --> src/lib.rs:1:21
Sep 04 22:57:25.677 INFO kablam!   |
Sep 04 22:57:25.677 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.677 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 04 22:57:25.677 INFO kablam!   |
Sep 04 22:57:25.677 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 22:57:25.677 INFO kablam! 
Sep 04 22:57:25.677 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 04 22:57:25.677 INFO kablam!  --> src/lib.rs:1:12
Sep 04 22:57:25.677 INFO kablam!   |
Sep 04 22:57:25.677 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.677 INFO kablam!   |            ^^^^^^^
Sep 04 22:57:25.678 INFO kablam! 
Sep 04 22:57:25.698 INFO kablam! error: aborting due to previous error
Sep 04 22:57:25.698 INFO kablam! 
Sep 04 22:57:25.698 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 22:57:25.705 INFO kablam! error: Could not compile `blissb`.
Sep 04 22:57:25.705 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 22:57:25.912 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 04 22:57:25.912 INFO kablam!  --> src/lib.rs:1:21
Sep 04 22:57:25.912 INFO kablam!   |
Sep 04 22:57:25.912 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.912 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 04 22:57:25.912 INFO kablam!   |
Sep 04 22:57:25.912 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 22:57:25.912 INFO kablam! 
Sep 04 22:57:25.912 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 04 22:57:25.912 INFO kablam!  --> src/lib.rs:1:12
Sep 04 22:57:25.912 INFO kablam!   |
Sep 04 22:57:25.912 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.912 INFO kablam!   |            ^^^^^^^
Sep 04 22:57:25.912 INFO kablam! 
Sep 04 22:57:25.936 INFO kablam! error: aborting due to previous error
Sep 04 22:57:25.936 INFO kablam! 
Sep 04 22:57:25.936 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 22:57:25.946 INFO kablam! error: Could not compile `blissb`.
Sep 04 22:57:25.946 INFO kablam! 
Sep 04 22:57:25.946 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 22:57:25.947 INFO kablam! su: No module specific data is present
Sep 04 22:57:26.341 INFO running `"docker" "rm" "-f" "6f6127bf2b0ba6c66614c4c3948d5c2b49ba9b6bdf2d03b16e3d7ca75fb72f88"`
Sep 04 22:57:26.440 INFO blam! 6f6127bf2b0ba6c66614c4c3948d5c2b49ba9b6bdf2d03b16e3d7ca75fb72f88