Sep 18 03:11:03.796 INFO checking blissb-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 18 03:11:03.796 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 18 03:11:03.796 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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=1000" "-e" "CMD=cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 18 03:11:04.151 INFO blam! 0b0c49ac9c671e0a2f95fe7fbc4ff3c7f7168ee50355b6af8c661b0282ab4186
Sep 18 03:11:04.155 INFO running `"docker" "start" "-a" "0b0c49ac9c671e0a2f95fe7fbc4ff3c7f7168ee50355b6af8c661b0282ab4186"`
Sep 18 03:11:05.059 INFO kablam! usermod: no changes
Sep 18 03:11:05.105 INFO kablam!     Checking bitpack v0.1.1
Sep 18 03:11:05.258 INFO kablam!     Checking blissb v0.1.0 (/source)
Sep 18 03:11:06.235 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 18 03:11:06.235 INFO kablam!  --> src/lib.rs:1:21
Sep 18 03:11:06.235 INFO kablam!   |
Sep 18 03:11:06.235 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 18 03:11:06.235 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 18 03:11:06.235 INFO kablam!   |
Sep 18 03:11:06.235 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 03:11:06.235 INFO kablam! 
Sep 18 03:11:06.235 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 18 03:11:06.235 INFO kablam!  --> src/lib.rs:1:12
Sep 18 03:11:06.235 INFO kablam!   |
Sep 18 03:11:06.235 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 18 03:11:06.235 INFO kablam!   |            ^^^^^^^
Sep 18 03:11:06.235 INFO kablam! 
Sep 18 03:11:06.275 INFO kablam! error: aborting due to previous error
Sep 18 03:11:06.275 INFO kablam! 
Sep 18 03:11:06.275 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 18 03:11:06.295 INFO kablam! error: Could not compile `blissb`.
Sep 18 03:11:06.295 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 18 03:11:06.399 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 18 03:11:06.399 INFO kablam!  --> src/lib.rs:1:21
Sep 18 03:11:06.399 INFO kablam!   |
Sep 18 03:11:06.399 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 18 03:11:06.399 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 18 03:11:06.399 INFO kablam!   |
Sep 18 03:11:06.399 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 18 03:11:06.399 INFO kablam! 
Sep 18 03:11:06.403 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 18 03:11:06.403 INFO kablam!  --> src/lib.rs:1:12
Sep 18 03:11:06.403 INFO kablam!   |
Sep 18 03:11:06.403 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 18 03:11:06.403 INFO kablam!   |            ^^^^^^^
Sep 18 03:11:06.403 INFO kablam! 
Sep 18 03:11:06.423 INFO kablam! error: aborting due to previous error
Sep 18 03:11:06.423 INFO kablam! 
Sep 18 03:11:06.423 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 18 03:11:06.441 INFO kablam! error: Could not compile `blissb`.
Sep 18 03:11:06.441 INFO kablam! 
Sep 18 03:11:06.441 INFO kablam! To learn more, run the command again with --verbose.
Sep 18 03:11:06.447 INFO kablam! su: No module specific data is present
Sep 18 03:11:07.501 INFO running `"docker" "rm" "-f" "0b0c49ac9c671e0a2f95fe7fbc4ff3c7f7168ee50355b6af8c661b0282ab4186"`
Sep 18 03:11:07.875 INFO blam! 0b0c49ac9c671e0a2f95fe7fbc4ff3c7f7168ee50355b6af8c661b0282ab4186