Sep 02 02:04:41.015 INFO checking blissb-0.1.0 against try#aa245a5862056b681d2ccdb178f58891108cd3a6 for pr-53831
Sep 02 02:04:41.015 INFO running: cargo +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets
Sep 02 02:04:41.015 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53831/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53831/worker-1/try#aa245a5862056b681d2ccdb178f58891108cd3a6:/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 +aa245a5862056b681d2ccdb178f58891108cd3a6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 02:04:41.191 INFO blam! a7302d6044b400084ce1a68de10ba311dc4e45c42686e5528a66bea9c948ab66
Sep 02 02:04:41.193 INFO running `"docker" "start" "-a" "a7302d6044b400084ce1a68de10ba311dc4e45c42686e5528a66bea9c948ab66"`
Sep 02 02:04:42.036 INFO kablam!     Checking bitpack v0.1.1
Sep 02 02:04:42.212 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 02 02:04:43.615 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 02 02:04:43.615 INFO kablam!  --> src/lib.rs:1:21
Sep 02 02:04:43.615 INFO kablam!   |
Sep 02 02:04:43.615 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 02:04:43.615 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 02 02:04:43.615 INFO kablam!   |
Sep 02 02:04:43.615 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 02:04:43.615 INFO kablam! 
Sep 02 02:04:43.615 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 02 02:04:43.615 INFO kablam!  --> src/lib.rs:1:12
Sep 02 02:04:43.615 INFO kablam!   |
Sep 02 02:04:43.615 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 02:04:43.615 INFO kablam!   |            ^^^^^^^
Sep 02 02:04:43.615 INFO kablam! 
Sep 02 02:04:43.632 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 02 02:04:43.632 INFO kablam!  --> src/lib.rs:1:21
Sep 02 02:04:43.633 INFO kablam!   |
Sep 02 02:04:43.633 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 02:04:43.633 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 02 02:04:43.633 INFO kablam!   |
Sep 02 02:04:43.633 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 02:04:43.633 INFO kablam! 
Sep 02 02:04:43.633 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 02 02:04:43.633 INFO kablam!  --> src/lib.rs:1:12
Sep 02 02:04:43.633 INFO kablam!   |
Sep 02 02:04:43.633 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 02:04:43.633 INFO kablam!   |            ^^^^^^^
Sep 02 02:04:43.633 INFO kablam! 
Sep 02 02:04:43.637 INFO kablam! error: aborting due to previous error
Sep 02 02:04:43.637 INFO kablam! 
Sep 02 02:04:43.637 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 02:04:43.646 INFO kablam! error: Could not compile `blissb`.
Sep 02 02:04:43.646 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 02:04:43.650 INFO kablam! error: aborting due to previous error
Sep 02 02:04:43.650 INFO kablam! 
Sep 02 02:04:43.650 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 02:04:43.657 INFO kablam! error: Could not compile `blissb`.
Sep 02 02:04:43.658 INFO kablam! 
Sep 02 02:04:43.658 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 02:04:43.659 INFO kablam! su: No module specific data is present
Sep 02 02:04:44.163 INFO running `"docker" "rm" "-f" "a7302d6044b400084ce1a68de10ba311dc4e45c42686e5528a66bea9c948ab66"`
Sep 02 02:04:44.280 INFO blam! a7302d6044b400084ce1a68de10ba311dc4e45c42686e5528a66bea9c948ab66