Sep 02 13:55:38.666 INFO checking futf-0.1.4 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851 Sep 02 13:55:38.666 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets Sep 02 13:55:38.666 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-3/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"` Sep 02 13:55:38.817 INFO blam! 12112f35d249edeca52985ff86bfc63842e571787dd371dd1bd34e17b94dde6e Sep 02 13:55:38.819 INFO running `"docker" "start" "-a" "12112f35d249edeca52985ff86bfc63842e571787dd371dd1bd34e17b94dde6e"` Sep 02 13:55:39.660 INFO kablam! Checking futf v0.1.4 (file:///source) Sep 02 13:55:41.420 INFO kablam! error[E0635]: unknown feature `str_char` Sep 02 13:55:41.420 INFO kablam! --> src/lib.rs:7:33 Sep 02 13:55:41.420 INFO kablam! | Sep 02 13:55:41.421 INFO kablam! 7 | #![cfg_attr(test, feature(test, str_char))] Sep 02 13:55:41.421 INFO kablam! | ^^^^^^^^ Sep 02 13:55:41.421 INFO kablam! Sep 02 13:55:41.442 INFO kablam! error: aborting due to previous error Sep 02 13:55:41.442 INFO kablam! Sep 02 13:55:41.442 INFO kablam! For more information about this error, try `rustc --explain E0635`. Sep 02 13:55:41.450 INFO kablam! error: Could not compile `futf`. Sep 02 13:55:41.450 INFO kablam! Sep 02 13:55:41.450 INFO kablam! To learn more, run the command again with --verbose. Sep 02 13:55:41.451 INFO kablam! su: No module specific data is present Sep 02 13:55:41.926 INFO running `"docker" "rm" "-f" "12112f35d249edeca52985ff86bfc63842e571787dd371dd1bd34e17b94dde6e"` Sep 02 13:55:42.046 INFO blam! 12112f35d249edeca52985ff86bfc63842e571787dd371dd1bd34e17b94dde6e