Sep 04 00:12:21.967 INFO checking topdown-rs-0.3.3 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 00:12:21.968 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 00:12:21.968 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 00:12:22.146 INFO blam! 5dacace340573e9c09eaaf0a7e0d1effc71d8fbf16d8c4d418a87c3fa8696d07
Sep 04 00:12:22.147 INFO running `"docker" "start" "-a" "5dacace340573e9c09eaaf0a7e0d1effc71d8fbf16d8c4d418a87c3fa8696d07"`
Sep 04 00:12:22.952 INFO kablam!     Checking topdown-rs v0.3.3 (file:///source)
Sep 04 00:12:23.546 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 04 00:12:23.546 INFO kablam!   --> src/chainl.rs:54:15
Sep 04 00:12:23.546 INFO kablam!    |
Sep 04 00:12:23.546 INFO kablam! 54 |     struct Op<'a>;
Sep 04 00:12:23.546 INFO kablam!    |               ^^ unused type parameter
Sep 04 00:12:23.546 INFO kablam!    |
Sep 04 00:12:23.546 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 04 00:12:23.546 INFO kablam! 
Sep 04 00:12:23.547 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 04 00:12:23.547 INFO kablam!   --> src/chainr.rs:47:15
Sep 04 00:12:23.547 INFO kablam!    |
Sep 04 00:12:23.547 INFO kablam! 47 |     struct Op<'a>;
Sep 04 00:12:23.547 INFO kablam!    |               ^^ unused type parameter
Sep 04 00:12:23.548 INFO kablam!    |
Sep 04 00:12:23.548 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 04 00:12:23.548 INFO kablam! 
Sep 04 00:12:23.581 INFO kablam! error: aborting due to 2 previous errors
Sep 04 00:12:23.581 INFO kablam! 
Sep 04 00:12:23.581 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 04 00:12:23.591 INFO kablam! error: Could not compile `topdown-rs`.
Sep 04 00:12:23.591 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 04 00:12:23.868 INFO kablam! error: build failed
Sep 04 00:12:23.870 INFO kablam! su: No module specific data is present
Sep 04 00:12:24.427 INFO running `"docker" "rm" "-f" "5dacace340573e9c09eaaf0a7e0d1effc71d8fbf16d8c4d418a87c3fa8696d07"`
Sep 04 00:12:24.561 INFO blam! 5dacace340573e9c09eaaf0a7e0d1effc71d8fbf16d8c4d418a87c3fa8696d07