Sep 21 06:33:17.618 INFO checking newhope-0.1.6 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 06:33:17.618 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 06:33:17.618 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-2/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 06:33:17.784 INFO blam! bbb6b2ac2133119eac999b8244c823b897cc78ba2c8060b45f07f73ed5ae9691
Sep 21 06:33:17.786 INFO running `"docker" "start" "-a" "bbb6b2ac2133119eac999b8244c823b897cc78ba2c8060b45f07f73ed5ae9691"`
Sep 21 06:33:20.134 INFO kablam! usermod: no changes
Sep 21 06:33:20.183 INFO kablam!     Checking newhope v0.1.6 (/source)
Sep 21 06:33:20.770 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 21 06:33:20.770 INFO kablam!  --> src/lib.rs:1:12
Sep 21 06:33:20.770 INFO kablam!   |
Sep 21 06:33:20.770 INFO kablam! 1 | #![feature(step_by)]
Sep 21 06:33:20.770 INFO kablam!   |            ^^^^^^^
Sep 21 06:33:20.770 INFO kablam! 
Sep 21 06:33:20.789 INFO kablam! error: aborting due to previous error
Sep 21 06:33:20.789 INFO kablam! 
Sep 21 06:33:20.789 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 06:33:20.798 INFO kablam! error: Could not compile `newhope`.
Sep 21 06:33:20.798 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 06:33:20.949 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 21 06:33:20.949 INFO kablam!  --> src/lib.rs:1:12
Sep 21 06:33:20.949 INFO kablam!   |
Sep 21 06:33:20.949 INFO kablam! 1 | #![feature(step_by)]
Sep 21 06:33:20.949 INFO kablam!   |            ^^^^^^^
Sep 21 06:33:20.949 INFO kablam! 
Sep 21 06:33:20.973 INFO kablam! error: aborting due to previous error
Sep 21 06:33:20.973 INFO kablam! 
Sep 21 06:33:20.973 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 21 06:33:20.980 INFO kablam! error: Could not compile `newhope`.
Sep 21 06:33:20.980 INFO kablam! 
Sep 21 06:33:20.980 INFO kablam! To learn more, run the command again with --verbose.
Sep 21 06:33:20.981 INFO kablam! su: No module specific data is present
Sep 21 06:33:21.884 INFO running `"docker" "rm" "-f" "bbb6b2ac2133119eac999b8244c823b897cc78ba2c8060b45f07f73ed5ae9691"`
Sep 21 06:33:21.976 INFO blam! bbb6b2ac2133119eac999b8244c823b897cc78ba2c8060b45f07f73ed5ae9691