Aug 30 17:13:52.954 INFO checking futf-0.1.4 against master#545f22340f72ee0efaf6463efb43a2840e3d35db for pr-53699
Aug 30 17:13:52.954 INFO running: cargo +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets
Aug 30 17:13:52.954 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53699/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53699/worker-1/master#545f22340f72ee0efaf6463efb43a2840e3d35db:/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 +545f22340f72ee0efaf6463efb43a2840e3d35db-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 30 17:13:53.157 INFO blam! 7d17a61fc282bd30bce1a73cd496dae771a256beca6f90dd7642784fdaf8b929
Aug 30 17:13:53.159 INFO running `"docker" "start" "-a" "7d17a61fc282bd30bce1a73cd496dae771a256beca6f90dd7642784fdaf8b929"`
Aug 30 17:13:53.791 INFO kablam!     Checking futf v0.1.4 (file:///source)
Aug 30 17:13:55.532 INFO kablam! error[E0635]: unknown feature `str_char`
Aug 30 17:13:55.532 INFO kablam!  --> src/lib.rs:7:33
Aug 30 17:13:55.532 INFO kablam!   |
Aug 30 17:13:55.532 INFO kablam! 7 | #![cfg_attr(test, feature(test, str_char))]
Aug 30 17:13:55.532 INFO kablam!   |                                 ^^^^^^^^
Aug 30 17:13:55.532 INFO kablam! 
Aug 30 17:13:55.564 INFO kablam! error: aborting due to previous error
Aug 30 17:13:55.564 INFO kablam! 
Aug 30 17:13:55.564 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 30 17:13:55.573 INFO kablam! error: Could not compile `futf`.
Aug 30 17:13:55.573 INFO kablam! 
Aug 30 17:13:55.573 INFO kablam! To learn more, run the command again with --verbose.
Aug 30 17:13:55.575 INFO kablam! su: No module specific data is present
Aug 30 17:13:55.905 INFO running `"docker" "rm" "-f" "7d17a61fc282bd30bce1a73cd496dae771a256beca6f90dd7642784fdaf8b929"`
Aug 30 17:13:56.008 INFO blam! 7d17a61fc282bd30bce1a73cd496dae771a256beca6f90dd7642784fdaf8b929