Sep 20 06:02:01.313 INFO checking blissb-0.1.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 20 06:02:01.313 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 20 06:02:01.313 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-6/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 20 06:02:01.530 INFO blam! 55c1f21daa70b04a67dce21bb55916673b230aa3174096e3382b440a9d1c653a
Sep 20 06:02:01.532 INFO running `"docker" "start" "-a" "55c1f21daa70b04a67dce21bb55916673b230aa3174096e3382b440a9d1c653a"`
Sep 20 06:02:02.257 INFO kablam! usermod: no changes
Sep 20 06:02:02.301 INFO kablam!     Checking bitpack v0.1.1
Sep 20 06:02:02.433 INFO kablam!     Checking blissb v0.1.0 (/source)
Sep 20 06:02:03.128 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 20 06:02:03.128 INFO kablam!  --> src/lib.rs:1:21
Sep 20 06:02:03.128 INFO kablam!   |
Sep 20 06:02:03.128 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.128 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 20 06:02:03.128 INFO kablam!   |
Sep 20 06:02:03.128 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 06:02:03.128 INFO kablam! 
Sep 20 06:02:03.134 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 20 06:02:03.134 INFO kablam!  --> src/lib.rs:1:12
Sep 20 06:02:03.134 INFO kablam!   |
Sep 20 06:02:03.134 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.134 INFO kablam!   |            ^^^^^^^
Sep 20 06:02:03.134 INFO kablam! 
Sep 20 06:02:03.149 INFO kablam! error: aborting due to previous error
Sep 20 06:02:03.149 INFO kablam! 
Sep 20 06:02:03.149 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 20 06:02:03.162 INFO kablam! error: Could not compile `blissb`.
Sep 20 06:02:03.162 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 20 06:02:03.234 INFO kablam! warning: the feature `question_mark` has been stable since 1.13.0 and no longer requires an attribute to enable
Sep 20 06:02:03.234 INFO kablam!  --> src/lib.rs:1:21
Sep 20 06:02:03.234 INFO kablam!   |
Sep 20 06:02:03.234 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.234 INFO kablam!   |                     ^^^^^^^^^^^^^
Sep 20 06:02:03.234 INFO kablam!   |
Sep 20 06:02:03.234 INFO kablam!   = note: #[warn(stable_features)] on by default
Sep 20 06:02:03.234 INFO kablam! 
Sep 20 06:02:03.234 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 20 06:02:03.234 INFO kablam!  --> src/lib.rs:1:12
Sep 20 06:02:03.234 INFO kablam!   |
Sep 20 06:02:03.234 INFO kablam! 1 | #![feature(step_by, question_mark)]
Sep 20 06:02:03.234 INFO kablam!   |            ^^^^^^^
Sep 20 06:02:03.234 INFO kablam! 
Sep 20 06:02:03.250 INFO kablam! error: aborting due to previous error
Sep 20 06:02:03.250 INFO kablam! 
Sep 20 06:02:03.250 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 20 06:02:03.256 INFO kablam! error: Could not compile `blissb`.
Sep 20 06:02:03.256 INFO kablam! 
Sep 20 06:02:03.256 INFO kablam! To learn more, run the command again with --verbose.
Sep 20 06:02:03.257 INFO kablam! su: No module specific data is present
Sep 20 06:02:03.864 INFO running `"docker" "rm" "-f" "55c1f21daa70b04a67dce21bb55916673b230aa3174096e3382b440a9d1c653a"`
Sep 20 06:02:03.952 INFO blam! 55c1f21daa70b04a67dce21bb55916673b230aa3174096e3382b440a9d1c653a