Sep 20 06:02:01.524 INFO checking blissb-0.1.0 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 20 06:02:01.524 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 20 06:02:01.525 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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=1000" "-e" "CMD=cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 06:02:01.750 INFO blam! dc5f01a8f15dc0ae2f8d1d66cc55978178b5c946f6a04dfb2dd094f0718d2ccc
Sep 20 06:02:01.753 INFO running `"docker" "start" "-a" "dc5f01a8f15dc0ae2f8d1d66cc55978178b5c946f6a04dfb2dd094f0718d2ccc"`
Sep 20 06:02:02.634 INFO kablam! usermod: no changes
Sep 20 06:02:02.719 INFO kablam!     Checking bitpack v0.1.1
Sep 20 06:02:02.868 INFO kablam!     Checking blissb v0.1.0 (/source)
Sep 20 06:02:03.686 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 20 06:02:03.686 INFO kablam!  --> src/lib.rs:1:21
Sep 20 06:02:03.686 INFO kablam!   |
Sep 20 06:02:03.686 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.686 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 20 06:02:03.686 INFO kablam!   |
Sep 20 06:02:03.686 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 06:02:03.686 INFO kablam! 
Sep 20 06:02:03.686 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 20 06:02:03.686 INFO kablam!  --> src/lib.rs:1:12
Sep 20 06:02:03.686 INFO kablam!   |
Sep 20 06:02:03.686 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.686 INFO kablam!   |            ^^^^^^^
Sep 20 06:02:03.686 INFO kablam! 
Sep 20 06:02:03.706 INFO kablam! error: aborting due to previous error
Sep 20 06:02:03.706 INFO kablam! 
Sep 20 06:02:03.706 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 20 06:02:03.712 INFO kablam! error: Could not compile `blissb`.
Sep 20 06:02:03.713 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 06:02:03.719 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 20 06:02:03.719 INFO kablam!  --> src/lib.rs:1:21
Sep 20 06:02:03.719 INFO kablam!   |
Sep 20 06:02:03.719 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.719 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 20 06:02:03.719 INFO kablam!   |
Sep 20 06:02:03.719 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 06:02:03.719 INFO kablam! 
Sep 20 06:02:03.722 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 20 06:02:03.722 INFO kablam!  --> src/lib.rs:1:12
Sep 20 06:02:03.722 INFO kablam!   |
Sep 20 06:02:03.722 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.722 INFO kablam!   |            ^^^^^^^
Sep 20 06:02:03.722 INFO kablam! 
Sep 20 06:02:03.731 INFO kablam! error: aborting due to previous error
Sep 20 06:02:03.731 INFO kablam! 
Sep 20 06:02:03.731 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 20 06:02:03.739 INFO kablam! error: Could not compile `blissb`.
Sep 20 06:02:03.739 INFO kablam! 
Sep 20 06:02:03.739 INFO kablam! To learn more, run the command again with --verbose.
Sep 20 06:02:03.740 INFO kablam! su: No module specific data is present
Sep 20 06:02:04.264 INFO running `"docker" "rm" "-f" "dc5f01a8f15dc0ae2f8d1d66cc55978178b5c946f6a04dfb2dd094f0718d2ccc"`
Sep 20 06:02:04.321 INFO blam! dc5f01a8f15dc0ae2f8d1d66cc55978178b5c946f6a04dfb2dd094f0718d2ccc