Sep 17 15:51:27.558 INFO checking topdown-rs-0.3.3 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 15:51:27.558 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 15:51:27.558 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 15:51:27.694 INFO blam! acdfc8c18f3b3c0a4411afa49f56e9ce69e7a3baf9b9b1f317f3e380e6440eaa
Sep 17 15:51:27.695 INFO running `"docker" "start" "-a" "acdfc8c18f3b3c0a4411afa49f56e9ce69e7a3baf9b9b1f317f3e380e6440eaa"`
Sep 17 15:51:28.539 INFO kablam! usermod: no changes
Sep 17 15:51:28.580 INFO kablam!     Checking topdown-rs v0.3.3 (/source)
Sep 17 15:51:28.897 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 17 15:51:28.897 INFO kablam!   --> src/chainl.rs:54:15
Sep 17 15:51:28.897 INFO kablam!    |
Sep 17 15:51:28.897 INFO kablam! 54 |     struct Op<'a>;
Sep 17 15:51:28.897 INFO kablam!    |               ^^ unused type parameter
Sep 17 15:51:28.897 INFO kablam!    |
Sep 17 15:51:28.897 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 17 15:51:28.897 INFO kablam! 
Sep 17 15:51:28.897 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 17 15:51:28.897 INFO kablam!   --> src/chainr.rs:47:15
Sep 17 15:51:28.897 INFO kablam!    |
Sep 17 15:51:28.897 INFO kablam! 47 |     struct Op<'a>;
Sep 17 15:51:28.898 INFO kablam!    |               ^^ unused type parameter
Sep 17 15:51:28.898 INFO kablam!    |
Sep 17 15:51:28.898 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 17 15:51:28.898 INFO kablam! 
Sep 17 15:51:28.906 INFO kablam! error: aborting due to 2 previous errors
Sep 17 15:51:28.907 INFO kablam! 
Sep 17 15:51:28.907 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 17 15:51:28.913 INFO kablam! error: Could not compile `topdown-rs`.
Sep 17 15:51:28.913 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 17 15:51:28.971 INFO kablam! error: build failed
Sep 17 15:51:28.975 INFO kablam! su: No module specific data is present
Sep 17 15:51:30.062 INFO running `"docker" "rm" "-f" "acdfc8c18f3b3c0a4411afa49f56e9ce69e7a3baf9b9b1f317f3e380e6440eaa"`
Sep 17 15:51:30.239 INFO blam! acdfc8c18f3b3c0a4411afa49f56e9ce69e7a3baf9b9b1f317f3e380e6440eaa