Sep 19 18:47:24.963 INFO checking topdown-rs-0.3.3 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 18:47:24.963 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 18:47:24.963 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-7/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 18:47:25.152 INFO blam! 06220ec95439c430f9052d80298e485e9d18b8b8486c3d038ea2611ab71956e2
Sep 19 18:47:25.154 INFO running `"docker" "start" "-a" "06220ec95439c430f9052d80298e485e9d18b8b8486c3d038ea2611ab71956e2"`
Sep 19 18:47:26.049 INFO kablam! usermod: no changes
Sep 19 18:47:26.087 INFO kablam!     Checking topdown-rs v0.3.3 (/source)
Sep 19 18:47:26.467 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 19 18:47:26.467 INFO kablam!   --> src/chainl.rs:54:15
Sep 19 18:47:26.467 INFO kablam!    |
Sep 19 18:47:26.467 INFO kablam! 54 |     struct Op<'a>;
Sep 19 18:47:26.467 INFO kablam!    |               ^^ unused type parameter
Sep 19 18:47:26.467 INFO kablam!    |
Sep 19 18:47:26.467 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 19 18:47:26.467 INFO kablam! 
Sep 19 18:47:26.474 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 19 18:47:26.474 INFO kablam!   --> src/chainr.rs:47:15
Sep 19 18:47:26.474 INFO kablam!    |
Sep 19 18:47:26.474 INFO kablam! 47 |     struct Op<'a>;
Sep 19 18:47:26.474 INFO kablam!    |               ^^ unused type parameter
Sep 19 18:47:26.474 INFO kablam!    |
Sep 19 18:47:26.474 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 19 18:47:26.474 INFO kablam! 
Sep 19 18:47:26.502 INFO kablam! error: aborting due to 2 previous errors
Sep 19 18:47:26.502 INFO kablam! 
Sep 19 18:47:26.502 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 19 18:47:26.502 INFO kablam! error: Could not compile `topdown-rs`.
Sep 19 18:47:26.503 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 18:47:26.521 INFO kablam! error: build failed
Sep 19 18:47:26.521 INFO kablam! su: No module specific data is present
Sep 19 18:47:27.105 INFO running `"docker" "rm" "-f" "06220ec95439c430f9052d80298e485e9d18b8b8486c3d038ea2611ab71956e2"`
Sep 19 18:47:27.167 INFO blam! 06220ec95439c430f9052d80298e485e9d18b8b8486c3d038ea2611ab71956e2