Aug 17 07:54:46.713 INFO checking trie-0.2.0 against try#a5d98b025f62ace80fe9d2a15781f900fc42515e for pr-53426
Aug 17 07:54:46.713 INFO running: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 07:54:46.713 INFO creating container for: cargo +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets
Aug 17 07:54:46.713 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-53426/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53426/worker-3/try#a5d98b025f62ace80fe9d2a15781f900fc42515e:/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 +a5d98b025f62ace80fe9d2a15781f900fc42515e-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "crater"`
Aug 17 07:54:46.973 INFO blam! ac10bfdaea32c0492de4fdf34c9a71221b847499922af2e7e7294ae2de85f061
Aug 17 07:54:46.976 INFO running `"docker" "start" "-a" "ac10bfdaea32c0492de4fdf34c9a71221b847499922af2e7e7294ae2de85f061"`
Aug 17 07:54:47.847 INFO kablam!     Checking bit-set v0.5.0
Aug 17 07:54:48.697 INFO kablam!     Checking ordered_iter v0.1.1
Aug 17 07:54:49.327 INFO kablam!     Checking trie v0.2.0 (file:///source)
Aug 17 07:54:53.629 INFO kablam! error[E0635]: unknown feature `step_by`
Aug 17 07:54:53.629 INFO kablam!   --> src/lib.rs:13:38
Aug 17 07:54:53.630 INFO kablam!    |
Aug 17 07:54:53.630 INFO kablam! 13 | #![cfg_attr(test, feature(fn_traits, step_by, test, unboxed_closures))]
Aug 17 07:54:53.630 INFO kablam!    |                                      ^^^^^^^
Aug 17 07:54:53.630 INFO kablam! 
Aug 17 07:54:53.708 INFO kablam! error: aborting due to previous error
Aug 17 07:54:53.709 INFO kablam! 
Aug 17 07:54:53.709 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Aug 17 07:54:53.719 INFO kablam! error: Could not compile `trie`.
Aug 17 07:54:53.720 INFO kablam! 
Aug 17 07:54:53.720 INFO kablam! To learn more, run the command again with --verbose.
Aug 17 07:54:53.723 INFO kablam! su: No module specific data is present
Aug 17 07:54:54.339 INFO running `"docker" "rm" "-f" "ac10bfdaea32c0492de4fdf34c9a71221b847499922af2e7e7294ae2de85f061"`
Aug 17 07:54:54.488 INFO blam! ac10bfdaea32c0492de4fdf34c9a71221b847499922af2e7e7294ae2de85f061