Aug 11 18:59:37.425 INFO checking blissb-0.1.0 against master#f6d43ed84207c7e58f363f46e5a438ff40f2b311 for libc-1
Aug 11 18:59:37.425 INFO running: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 18:59:37.425 INFO creating container for: cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets
Aug 11 18:59:37.425 INFO running `"docker" "create" "-v" "/tmp/crater.UWVEzGandAtD:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/libc-1/worker-3/master#f6d43ed84207c7e58f363f46e5a438ff40f2b311:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +f6d43ed84207c7e58f363f46e5a438ff40f2b311-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 11 18:59:37.670 INFO blam! f145e9392be7a0e6bf922a7a41cdbb22f8b7c589b14a44e22513dd1ee7a60e43
Aug 11 18:59:37.673 INFO running `"docker" "start" "-a" "f145e9392be7a0e6bf922a7a41cdbb22f8b7c589b14a44e22513dd1ee7a60e43"`
Aug 11 18:59:39.086 INFO kablam!     Checking bitpack v0.1.1
Aug 11 18:59:39.496 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Aug 11 18:59:41.511 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Aug 11 18:59:41.511 INFO kablam!  --> src/lib.rs:1:21
Aug 11 18:59:41.511 INFO kablam!   |
Aug 11 18:59:41.511 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 11 18:59:41.511 INFO kablam!   |                     ^^^^^^^^^^^^^
Aug 11 18:59:41.511 INFO kablam!   |
Aug 11 18:59:41.512 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 11 18:59:41.512 INFO kablam! 
Aug 11 18:59:41.516 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 11 18:59:41.516 INFO kablam!  --> src/lib.rs:1:12
Aug 11 18:59:41.516 INFO kablam!   |
Aug 11 18:59:41.516 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 11 18:59:41.517 INFO kablam!   |            ^^^^^^^
Aug 11 18:59:41.517 INFO kablam! 
Aug 11 18:59:41.521 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Aug 11 18:59:41.521 INFO kablam!  --> src/lib.rs:1:21
Aug 11 18:59:41.521 INFO kablam!   |
Aug 11 18:59:41.521 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 11 18:59:41.521 INFO kablam!   |                     ^^^^^^^^^^^^^
Aug 11 18:59:41.521 INFO kablam!   |
Aug 11 18:59:41.521 INFO kablam!   = note: #[warn(stable_features)] on by default
Aug 11 18:59:41.521 INFO kablam! 
Aug 11 18:59:41.525 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 11 18:59:41.525 INFO kablam!  --> src/lib.rs:1:12
Aug 11 18:59:41.525 INFO kablam!   |
Aug 11 18:59:41.525 INFO kablam! 1 | #![feature(step_by, question_mark)]
Aug 11 18:59:41.525 INFO kablam!   |            ^^^^^^^
Aug 11 18:59:41.525 INFO kablam! 
Aug 11 18:59:41.548 INFO kablam! error: aborting due to previous error
Aug 11 18:59:41.553 INFO kablam! error: aborting due to previous error
Aug 11 18:59:41.553 INFO kablam! 
Aug 11 18:59:41.553 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 18:59:41.553 INFO kablam! 
Aug 11 18:59:41.553 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 11 18:59:41.562 INFO kablam! error: Could not compile `blissb`.
Aug 11 18:59:41.562 INFO kablam! warning: build failed, waiting for other jobs to finish...
Aug 11 18:59:41.563 INFO kablam! error: Could not compile `blissb`.
Aug 11 18:59:41.563 INFO kablam! 
Aug 11 18:59:41.563 INFO kablam! To learn more, run the command again with --verbose.
Aug 11 18:59:41.565 INFO kablam! su: No module specific data is present
Aug 11 18:59:42.355 INFO running `"docker" "rm" "-f" "f145e9392be7a0e6bf922a7a41cdbb22f8b7c589b14a44e22513dd1ee7a60e43"`
Aug 11 18:59:42.514 INFO blam! f145e9392be7a0e6bf922a7a41cdbb22f8b7c589b14a44e22513dd1ee7a60e43