Aug 31 10:35:14.049 INFO checking trie-0.2.0 against try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b for pr-53578
Aug 31 10:35:14.049 INFO running: cargo +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets
Aug 31 10:35:14.049 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53578/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578/worker-3/try#a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b:/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 +a5b9f2cc0cdaca8edf23a89c649279de2c91cd3b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Aug 31 10:35:14.198 INFO blam! 1463c659c54db5018852e021d3dc929d9be529766481ba3f7d316f0f600c2091
Aug 31 10:35:14.200 INFO running `"docker" "start" "-a" "1463c659c54db5018852e021d3dc929d9be529766481ba3f7d316f0f600c2091"`
Aug 31 10:35:14.938 INFO kablam!     Checking bit-set v0.5.0
Aug 31 10:35:15.551 INFO kablam!     Checking ordered_iter v0.1.1
Aug 31 10:35:15.935 INFO kablam!     Checking trie v0.2.0 (file:///source)
Aug 31 10:35:18.183 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 31 10:35:18.183 INFO kablam!   --> src/lib.rs:13:38
Aug 31 10:35:18.183 INFO kablam!    |
Aug 31 10:35:18.184 INFO kablam! 13 | #![cfg_attr(test, feature(fn_traits, step_by, test, unboxed_closures))]
Aug 31 10:35:18.184 INFO kablam!    |                                      ^^^^^^^
Aug 31 10:35:18.184 INFO kablam! 
Aug 31 10:35:18.229 INFO kablam! error: aborting due to previous error
Aug 31 10:35:18.229 INFO kablam! 
Aug 31 10:35:18.229 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 31 10:35:18.237 INFO kablam! error: Could not compile `trie`.
Aug 31 10:35:18.237 INFO kablam! 
Aug 31 10:35:18.237 INFO kablam! To learn more, run the command again with --verbose.
Aug 31 10:35:18.238 INFO kablam! su: No module specific data is present
Aug 31 10:35:18.733 INFO running `"docker" "rm" "-f" "1463c659c54db5018852e021d3dc929d9be529766481ba3f7d316f0f600c2091"`
Aug 31 10:35:18.821 INFO blam! 1463c659c54db5018852e021d3dc929d9be529766481ba3f7d316f0f600c2091