Sep 17 16:33:05.648 INFO checking stream-combinators-0.1.0 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033 Sep 17 16:33:05.648 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets Sep 17 16:33:05.648 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/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 16:33:05.906 INFO blam! 5978a22cefa27d3a8b1850b1b00d8a6a473561623e879b80f1efb41999e477f4 Sep 17 16:33:05.907 INFO running `"docker" "start" "-a" "5978a22cefa27d3a8b1850b1b00d8a6a473561623e879b80f1efb41999e477f4"` Sep 17 16:33:06.856 INFO kablam! usermod: no changes Sep 17 16:33:06.938 INFO kablam! Checking tokio-stdin v0.1.1 Sep 17 16:33:06.938 INFO kablam! Checking stream-combinators v0.1.0 (/source) Sep 17 16:33:07.143 INFO kablam! error: the trait bound `S: futures::Stream` is not satisfied Sep 17 16:33:07.143 INFO kablam! --> src/stream_sequence.rs:28:24 Sep 17 16:33:07.143 INFO kablam! | Sep 17 16:33:07.143 INFO kablam! 28 | type OutputStream = Chain::Item, ::Error>, S>; Sep 17 16:33:07.143 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the trait `futures::Stream` is not implemented for `S` Sep 17 16:33:07.143 INFO kablam! | Sep 17 16:33:07.143 INFO kablam! = note: #[deny(type_alias_missing_bounds)] on by default Sep 17 16:33:07.143 INFO kablam! = help: consider adding a `where S: futures::Stream` bound Sep 17 16:33:07.143 INFO kablam! = help: missing bounds in type aliases were previously allowed Sep 17 16:33:07.143 INFO kablam! = help: this is a hard error in Rust 2018 Sep 17 16:33:07.143 INFO kablam! Sep 17 16:33:07.151 INFO kablam! error: aborting due to previous error Sep 17 16:33:07.151 INFO kablam! Sep 17 16:33:07.157 INFO kablam! error: Could not compile `stream-combinators`. Sep 17 16:33:07.157 INFO kablam! warning: build failed, waiting for other jobs to finish... Sep 17 16:33:07.172 INFO kablam! error: build failed Sep 17 16:33:07.174 INFO kablam! su: No module specific data is present Sep 17 16:33:08.025 INFO running `"docker" "rm" "-f" "5978a22cefa27d3a8b1850b1b00d8a6a473561623e879b80f1efb41999e477f4"` Sep 17 16:33:08.172 INFO blam! 5978a22cefa27d3a8b1850b1b00d8a6a473561623e879b80f1efb41999e477f4