Sep 04 22:57:22.721 INFO checking blissb-0.1.0 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 22:57:22.721 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 22:57:22.721 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 22:57:22.877 INFO blam! f28ba2487545384abeeed6715ee86a5b3712729e94823c94d07e4168e66a637a
Sep 04 22:57:22.878 INFO running `"docker" "start" "-a" "f28ba2487545384abeeed6715ee86a5b3712729e94823c94d07e4168e66a637a"`
Sep 04 22:57:23.527 INFO kablam!     Checking bitpack v0.1.1
Sep 04 22:57:23.730 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 04 22:57:25.428 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 04 22:57:25.428 INFO kablam!  --> src/lib.rs:1:21
Sep 04 22:57:25.428 INFO kablam!   |
Sep 04 22:57:25.428 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.428 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 04 22:57:25.428 INFO kablam!   |
Sep 04 22:57:25.428 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 22:57:25.428 INFO kablam! 
Sep 04 22:57:25.428 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 04 22:57:25.428 INFO kablam!  --> src/lib.rs:1:12
Sep 04 22:57:25.428 INFO kablam!   |
Sep 04 22:57:25.428 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.428 INFO kablam!   |            ^^^^^^^
Sep 04 22:57:25.428 INFO kablam! 
Sep 04 22:57:25.457 INFO kablam! error: aborting due to previous error
Sep 04 22:57:25.457 INFO kablam! 
Sep 04 22:57:25.457 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 22:57:25.465 INFO kablam! error: Could not compile `blissb`.
Sep 04 22:57:25.466 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 22:57:25.607 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 04 22:57:25.607 INFO kablam!  --> src/lib.rs:1:21
Sep 04 22:57:25.607 INFO kablam!   |
Sep 04 22:57:25.607 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.607 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 04 22:57:25.607 INFO kablam!   |
Sep 04 22:57:25.607 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 04 22:57:25.607 INFO kablam! 
Sep 04 22:57:25.608 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 04 22:57:25.608 INFO kablam!  --> src/lib.rs:1:12
Sep 04 22:57:25.608 INFO kablam!   |
Sep 04 22:57:25.608 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 04 22:57:25.608 INFO kablam!   |            ^^^^^^^
Sep 04 22:57:25.608 INFO kablam! 
Sep 04 22:57:25.627 INFO kablam! error: aborting due to previous error
Sep 04 22:57:25.627 INFO kablam! 
Sep 04 22:57:25.627 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 22:57:25.638 INFO kablam! error: Could not compile `blissb`.
Sep 04 22:57:25.638 INFO kablam! 
Sep 04 22:57:25.638 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 22:57:25.639 INFO kablam! su: No module specific data is present
Sep 04 22:57:26.050 INFO running `"docker" "rm" "-f" "f28ba2487545384abeeed6715ee86a5b3712729e94823c94d07e4168e66a637a"`
Sep 04 22:57:26.150 INFO blam! f28ba2487545384abeeed6715ee86a5b3712729e94823c94d07e4168e66a637a