Aug 30 17:34:47.462 INFO checking futf-0.1.4 against try#2d477f9981361618ac78253c28051a66b6cea125 for pr-53707
Aug 30 17:34:47.462 INFO running: cargo +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets
Aug 30 17:34:47.462 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53707/try#2d477f9981361618ac78253c28051a66b6cea125:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53707/worker-1/try#2d477f9981361618ac78253c28051a66b6cea125:/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 +2d477f9981361618ac78253c28051a66b6cea125-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 17:34:47.601 INFO blam! 9f062a984baff54e5a6d809047e38f696066a75b452ae29f8c57024213071f66
Aug 30 17:34:47.603 INFO running `"docker" "start" "-a" "9f062a984baff54e5a6d809047e38f696066a75b452ae29f8c57024213071f66"`
Aug 30 17:34:48.461 INFO kablam!     Checking futf v0.1.4 (file:///source)
Aug 30 17:34:50.164 INFO kablam! error[E0635]: unknown feature `str_char`
Aug 30 17:34:50.164 INFO kablam!  --> src/lib.rs:7:33
Aug 30 17:34:50.164 INFO kablam!   |
Aug 30 17:34:50.164 INFO kablam! 7 | #![cfg_attr(test, feature(test, str_char))]
Aug 30 17:34:50.164 INFO kablam!   |                                 ^^^^^^^^
Aug 30 17:34:50.165 INFO kablam! 
Aug 30 17:34:50.190 INFO kablam! error: aborting due to previous error
Aug 30 17:34:50.190 INFO kablam! 
Aug 30 17:34:50.190 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 17:34:50.199 INFO kablam! error: Could not compile `futf`.
Aug 30 17:34:50.199 INFO kablam! 
Aug 30 17:34:50.199 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 17:34:50.201 INFO kablam! su: No module specific data is present
Aug 30 17:34:50.817 INFO running `"docker" "rm" "-f" "9f062a984baff54e5a6d809047e38f696066a75b452ae29f8c57024213071f66"`
Aug 30 17:34:50.900 INFO blam! 9f062a984baff54e5a6d809047e38f696066a75b452ae29f8c57024213071f66