Sep 17 23:01:29.598 INFO checking huffman-compress-0.5.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033 Sep 17 23:01:29.598 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets Sep 17 23:01:29.598 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-5/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 17 23:01:29.850 INFO blam! 2f0e8c0987671dbd52b20a9a382533c94e4575ffe5b3754e0ede308db0d4f30a Sep 17 23:01:29.852 INFO running `"docker" "start" "-a" "2f0e8c0987671dbd52b20a9a382533c94e4575ffe5b3754e0ede308db0d4f30a"` Sep 17 23:01:30.930 INFO kablam! usermod: no changes Sep 17 23:01:31.015 INFO kablam! Checking huffman-compress v0.5.0 (/source) Sep 17 23:01:31.362 INFO kablam! error: the trait bound `I: std::iter::Iterator` is not satisfied Sep 17 23:01:31.362 INFO kablam! --> src/lib.rs:144:30 Sep 17 23:01:31.362 INFO kablam! | Sep 17 23:01:31.362 INFO kablam! 144 | pub type Decoder<'a, K, I> = Take>; Sep 17 23:01:31.362 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `I` is not an iterator; maybe try calling `.iter()` or a similar method Sep 17 23:01:31.362 INFO kablam! | Sep 17 23:01:31.362 INFO kablam! = note: #[deny(type_alias_missing_bounds)] on by default Sep 17 23:01:31.362 INFO kablam! = help: the trait `std::iter::Iterator` is not implemented for `I` Sep 17 23:01:31.362 INFO kablam! = help: consider adding a `where I: std::iter::Iterator` bound Sep 17 23:01:31.362 INFO kablam! = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `I` Sep 17 23:01:31.362 INFO kablam! = note: required because it appears within the type `UnboundedDecoder<'a, K, I>` Sep 17 23:01:31.362 INFO kablam! = help: missing bounds in type aliases were previously allowed Sep 17 23:01:31.362 INFO kablam! = help: this is a hard error in Rust 2018 Sep 17 23:01:31.362 INFO kablam! Sep 17 23:01:31.380 INFO kablam! error: aborting due to previous error Sep 17 23:01:31.380 INFO kablam! Sep 17 23:01:31.388 INFO kablam! error: Could not compile `huffman-compress`. Sep 17 23:01:31.388 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 17 23:01:31.734 INFO kablam! error: the trait bound `I: std::iter::Iterator` is not satisfied Sep 17 23:01:31.735 INFO kablam! --> src/lib.rs:144:30 Sep 17 23:01:31.735 INFO kablam! | Sep 17 23:01:31.735 INFO kablam! 144 | pub type Decoder<'a, K, I> = Take>; Sep 17 23:01:31.735 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ `I` is not an iterator; maybe try calling `.iter()` or a similar method Sep 17 23:01:31.735 INFO kablam! | Sep 17 23:01:31.735 INFO kablam! = note: #[deny(type_alias_missing_bounds)] on by default Sep 17 23:01:31.735 INFO kablam! = help: the trait `std::iter::Iterator` is not implemented for `I` Sep 17 23:01:31.735 INFO kablam! = help: consider adding a `where I: std::iter::Iterator` bound Sep 17 23:01:31.735 INFO kablam! = note: required because of the requirements on the impl of `std::iter::IntoIterator` for `I` Sep 17 23:01:31.735 INFO kablam! = note: required because it appears within the type `UnboundedDecoder<'a, K, I>` Sep 17 23:01:31.735 INFO kablam! = help: missing bounds in type aliases were previously allowed Sep 17 23:01:31.735 INFO kablam! = help: this is a hard error in Rust 2018 Sep 17 23:01:31.735 INFO kablam! Sep 17 23:01:31.745 INFO kablam! error: aborting due to previous error Sep 17 23:01:31.745 INFO kablam! Sep 17 23:01:31.757 INFO kablam! error: Could not compile `huffman-compress`. Sep 17 23:01:31.757 INFO kablam! Sep 17 23:01:31.757 INFO kablam! To learn more, run the command again with --verbose. Sep 17 23:01:31.759 INFO kablam! su: No module specific data is present Sep 17 23:01:32.316 INFO running `"docker" "rm" "-f" "2f0e8c0987671dbd52b20a9a382533c94e4575ffe5b3754e0ede308db0d4f30a"` Sep 17 23:01:32.423 INFO blam! 2f0e8c0987671dbd52b20a9a382533c94e4575ffe5b3754e0ede308db0d4f30a