Sep 04 03:25:28.226 INFO checking trie-0.2.0 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 03:25:28.226 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 03:25:28.226 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-3/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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 +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 03:25:28.382 INFO blam! 3522ea9adc6c1230265e865d1c5219537005bad0ecc233326bd1a1c073041b24
Sep 04 03:25:28.384 INFO running `"docker" "start" "-a" "3522ea9adc6c1230265e865d1c5219537005bad0ecc233326bd1a1c073041b24"`
Sep 04 03:25:29.126 INFO kablam!     Checking bit-set v0.5.0
Sep 04 03:25:29.642 INFO kablam!     Checking ordered_iter v0.1.1
Sep 04 03:25:30.033 INFO kablam!     Checking trie v0.2.0 (file:///source)
Sep 04 03:25:32.030 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 04 03:25:32.030 INFO kablam!   --> src/lib.rs:13:38
Sep 04 03:25:32.030 INFO kablam!    |
Sep 04 03:25:32.030 INFO kablam! 13 | #![cfg_attr(test, feature(fn_traits, step_by, test, unboxed_closures))]
Sep 04 03:25:32.030 INFO kablam!    |                                      ^^^^^^^
Sep 04 03:25:32.030 INFO kablam! 
Sep 04 03:25:32.082 INFO kablam! error: aborting due to previous error
Sep 04 03:25:32.082 INFO kablam! 
Sep 04 03:25:32.082 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 04 03:25:32.090 INFO kablam! error: Could not compile `trie`.
Sep 04 03:25:32.090 INFO kablam! 
Sep 04 03:25:32.090 INFO kablam! To learn more, run the command again with --verbose.
Sep 04 03:25:32.092 INFO kablam! su: No module specific data is present
Sep 04 03:25:32.529 INFO running `"docker" "rm" "-f" "3522ea9adc6c1230265e865d1c5219537005bad0ecc233326bd1a1c073041b24"`
Sep 04 03:25:32.628 INFO blam! 3522ea9adc6c1230265e865d1c5219537005bad0ecc233326bd1a1c073041b24