Sep 05 01:48:57.141 INFO checking blissb-0.1.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 05 01:48:57.141 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 05 01:48:57.141 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 05 01:48:57.394 INFO blam! f83c523ee53264254504b46284a8727e7d030a10ee2aff7b680d323ca5c8a9a9
Sep 05 01:48:57.396 INFO running `"docker" "start" "-a" "f83c523ee53264254504b46284a8727e7d030a10ee2aff7b680d323ca5c8a9a9"`
Sep 05 01:48:58.448 INFO kablam!     Checking bitpack v0.1.1
Sep 05 01:48:58.677 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 05 01:49:00.101 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 05 01:49:00.101 INFO kablam!  --> src/lib.rs:1:21
Sep 05 01:49:00.101 INFO kablam!   |
Sep 05 01:49:00.101 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 05 01:49:00.101 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 05 01:49:00.101 INFO kablam!   |
Sep 05 01:49:00.101 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 05 01:49:00.101 INFO kablam! 
Sep 05 01:49:00.102 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 05 01:49:00.102 INFO kablam!  --> src/lib.rs:1:12
Sep 05 01:49:00.102 INFO kablam!   |
Sep 05 01:49:00.102 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 05 01:49:00.102 INFO kablam!   |            ^^^^^^^
Sep 05 01:49:00.102 INFO kablam! 
Sep 05 01:49:00.129 INFO kablam! error: aborting due to previous error
Sep 05 01:49:00.129 INFO kablam! 
Sep 05 01:49:00.129 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 05 01:49:00.137 INFO kablam! error: Could not compile `blissb`.
Sep 05 01:49:00.138 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 05 01:49:00.316 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 05 01:49:00.316 INFO kablam!  --> src/lib.rs:1:21
Sep 05 01:49:00.316 INFO kablam!   |
Sep 05 01:49:00.316 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 05 01:49:00.316 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 05 01:49:00.316 INFO kablam!   |
Sep 05 01:49:00.316 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 05 01:49:00.316 INFO kablam! 
Sep 05 01:49:00.317 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 05 01:49:00.317 INFO kablam!  --> src/lib.rs:1:12
Sep 05 01:49:00.317 INFO kablam!   |
Sep 05 01:49:00.317 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 05 01:49:00.317 INFO kablam!   |            ^^^^^^^
Sep 05 01:49:00.317 INFO kablam! 
Sep 05 01:49:00.337 INFO kablam! error: aborting due to previous error
Sep 05 01:49:00.337 INFO kablam! 
Sep 05 01:49:00.337 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 05 01:49:00.347 INFO kablam! error: Could not compile `blissb`.
Sep 05 01:49:00.347 INFO kablam! 
Sep 05 01:49:00.347 INFO kablam! To learn more, run the command again with --verbose.
Sep 05 01:49:00.349 INFO kablam! su: No module specific data is present
Sep 05 01:49:00.980 INFO running `"docker" "rm" "-f" "f83c523ee53264254504b46284a8727e7d030a10ee2aff7b680d323ca5c8a9a9"`
Sep 05 01:49:01.123 INFO blam! f83c523ee53264254504b46284a8727e7d030a10ee2aff7b680d323ca5c8a9a9