Sep 02 19:36:49.391 INFO checking blissb-0.1.0 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 02 19:36:49.391 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 02 19:36:49.391 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-0/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 02 19:36:49.567 INFO blam! 9047d8577627fd5b21487a74fa693ea76bc106133e1cf55a6a6a0ccda95762f0
Sep 02 19:36:49.569 INFO running `"docker" "start" "-a" "9047d8577627fd5b21487a74fa693ea76bc106133e1cf55a6a6a0ccda95762f0"`
Sep 02 19:36:50.216 INFO kablam!     Checking bitpack v0.1.1
Sep 02 19:36:50.413 INFO kablam!     Checking blissb v0.1.0 (file:///source)
Sep 02 19:36:51.777 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 02 19:36:51.777 INFO kablam!  --> src/lib.rs:1:21
Sep 02 19:36:51.778 INFO kablam!   |
Sep 02 19:36:51.778 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.778 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 02 19:36:51.778 INFO kablam!   |
Sep 02 19:36:51.778 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 19:36:51.778 INFO kablam! 
Sep 02 19:36:51.778 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 02 19:36:51.778 INFO kablam!  --> src/lib.rs:1:12
Sep 02 19:36:51.778 INFO kablam!   |
Sep 02 19:36:51.778 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.778 INFO kablam!   |            ^^^^^^^
Sep 02 19:36:51.778 INFO kablam! 
Sep 02 19:36:51.798 INFO kablam! error: aborting due to previous error
Sep 02 19:36:51.799 INFO kablam! 
Sep 02 19:36:51.799 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 19:36:51.806 INFO kablam! error: Could not compile `blissb`.
Sep 02 19:36:51.806 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 02 19:36:51.964 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 02 19:36:51.964 INFO kablam!  --> src/lib.rs:1:21
Sep 02 19:36:51.964 INFO kablam!   |
Sep 02 19:36:51.964 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.964 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 02 19:36:51.964 INFO kablam!   |
Sep 02 19:36:51.964 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 02 19:36:51.964 INFO kablam! 
Sep 02 19:36:51.964 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 02 19:36:51.964 INFO kablam!  --> src/lib.rs:1:12
Sep 02 19:36:51.964 INFO kablam!   |
Sep 02 19:36:51.964 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 02 19:36:51.964 INFO kablam!   |            ^^^^^^^
Sep 02 19:36:51.964 INFO kablam! 
Sep 02 19:36:51.980 INFO kablam! error: aborting due to previous error
Sep 02 19:36:51.980 INFO kablam! 
Sep 02 19:36:51.980 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 02 19:36:51.989 INFO kablam! error: Could not compile `blissb`.
Sep 02 19:36:51.989 INFO kablam! 
Sep 02 19:36:51.989 INFO kablam! To learn more, run the command again with --verbose.
Sep 02 19:36:51.991 INFO kablam! su: No module specific data is present
Sep 02 19:36:52.454 INFO running `"docker" "rm" "-f" "9047d8577627fd5b21487a74fa693ea76bc106133e1cf55a6a6a0ccda95762f0"`
Sep 02 19:36:52.589 INFO blam! 9047d8577627fd5b21487a74fa693ea76bc106133e1cf55a6a6a0ccda95762f0