Sep 01 20:45:45.437 INFO checking trie-0.2.0 against try#952c7dbfa2628309f557b367929ffc17af20b332 for pr-53851
Sep 01 20:45:45.438 INFO running: cargo +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets
Sep 01 20:45:45.438 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/try#952c7dbfa2628309f557b367929ffc17af20b332:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/try#952c7dbfa2628309f557b367929ffc17af20b332:/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 +952c7dbfa2628309f557b367929ffc17af20b332-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:45:45.598 INFO blam! 339582d212db960f1d0d01cf129359c955023a90c14f3122735c2e61b93a729b
Sep 01 20:45:45.600 INFO running `"docker" "start" "-a" "339582d212db960f1d0d01cf129359c955023a90c14f3122735c2e61b93a729b"`
Sep 01 20:45:46.299 INFO kablam!     Checking bit-vec v0.5.0
Sep 01 20:45:47.021 INFO kablam!     Checking bit-set v0.5.0
Sep 01 20:45:47.586 INFO kablam!     Checking ordered_iter v0.1.1
Sep 01 20:45:48.135 INFO kablam!     Checking trie v0.2.0 (file:///source)
Sep 01 20:45:50.107 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 01 20:45:50.107 INFO kablam!   --> src/lib.rs:13:38
Sep 01 20:45:50.107 INFO kablam!    |
Sep 01 20:45:50.107 INFO kablam! 13 | #![cfg_attr(test, feature(fn_traits, step_by, test, unboxed_closures))]
Sep 01 20:45:50.107 INFO kablam!    |                                      ^^^^^^^
Sep 01 20:45:50.107 INFO kablam! 
Sep 01 20:45:50.155 INFO kablam! error: aborting due to previous error
Sep 01 20:45:50.155 INFO kablam! 
Sep 01 20:45:50.155 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 01 20:45:50.163 INFO kablam! error: Could not compile `trie`.
Sep 01 20:45:50.163 INFO kablam! 
Sep 01 20:45:50.163 INFO kablam! To learn more, run the command again with --verbose.
Sep 01 20:45:50.165 INFO kablam! su: No module specific data is present
Sep 01 20:45:50.518 INFO running `"docker" "rm" "-f" "339582d212db960f1d0d01cf129359c955023a90c14f3122735c2e61b93a729b"`
Sep 01 20:45:50.619 INFO blam! 339582d212db960f1d0d01cf129359c955023a90c14f3122735c2e61b93a729b