Sep 19 16:40:43.381 INFO checking trie-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 16:40:43.381 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 16:40:43.381 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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=1000" "-e" "CMD=cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:40:43.716 INFO blam! 7279082714e6933e92871430bd015dd497b90dc2285aceda5d86ad1610906220
Sep 19 16:40:43.718 INFO running `"docker" "start" "-a" "7279082714e6933e92871430bd015dd497b90dc2285aceda5d86ad1610906220"`
Sep 19 16:40:45.295 INFO kablam! usermod: no changes
Sep 19 16:40:45.387 INFO kablam!     Checking bit-set v0.5.0
Sep 19 16:40:45.986 INFO kablam!     Checking ordered_iter v0.1.1
Sep 19 16:40:46.437 INFO kablam!     Checking trie v0.2.0 (/source)
Sep 19 16:40:48.255 INFO kablam! error[E0635]: unknown feature `step_by`
Sep 19 16:40:48.255 INFO kablam!   --> src/lib.rs:13:38
Sep 19 16:40:48.255 INFO kablam!    |
Sep 19 16:40:48.255 INFO kablam! 13 | #![cfg_attr(test, feature(fn_traits, step_by, test, unboxed_closures))]
Sep 19 16:40:48.255 INFO kablam!    |                                      ^^^^^^^
Sep 19 16:40:48.255 INFO kablam! 
Sep 19 16:40:48.306 INFO kablam! error: aborting due to previous error
Sep 19 16:40:48.306 INFO kablam! 
Sep 19 16:40:48.306 INFO kablam! For more information about this error, try `rustc --explain E0635`.
Sep 19 16:40:48.316 INFO kablam! error: Could not compile `trie`.
Sep 19 16:40:48.316 INFO kablam! 
Sep 19 16:40:48.316 INFO kablam! To learn more, run the command again with --verbose.
Sep 19 16:40:48.317 INFO kablam! su: No module specific data is present
Sep 19 16:40:48.702 INFO running `"docker" "rm" "-f" "7279082714e6933e92871430bd015dd497b90dc2285aceda5d86ad1610906220"`
Sep 19 16:40:48.813 INFO blam! 7279082714e6933e92871430bd015dd497b90dc2285aceda5d86ad1610906220