Sep 19 16:45:31.647 INFO checking topdown-rs-0.3.3 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 16:45:31.647 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 16:45:31.647 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-7/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 16:45:31.820 INFO blam! da3ad952281430a8c20435a335cb6f922106d07d15d7c37477c16750900de66f
Sep 19 16:45:31.825 INFO running `"docker" "start" "-a" "da3ad952281430a8c20435a335cb6f922106d07d15d7c37477c16750900de66f"`
Sep 19 16:45:32.625 INFO kablam! usermod: no changes
Sep 19 16:45:32.674 INFO kablam!     Checking topdown-rs v0.3.3 (/source)
Sep 19 16:45:33.015 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 19 16:45:33.015 INFO kablam!   --> src/chainl.rs:54:15
Sep 19 16:45:33.015 INFO kablam!    |
Sep 19 16:45:33.015 INFO kablam! 54 |     struct Op<'a>;
Sep 19 16:45:33.015 INFO kablam!    |               ^^ unused type parameter
Sep 19 16:45:33.015 INFO kablam!    |
Sep 19 16:45:33.015 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 19 16:45:33.015 INFO kablam! 
Sep 19 16:45:33.016 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 19 16:45:33.016 INFO kablam!   --> src/chainr.rs:47:15
Sep 19 16:45:33.016 INFO kablam!    |
Sep 19 16:45:33.016 INFO kablam! 47 |     struct Op<'a>;
Sep 19 16:45:33.016 INFO kablam!    |               ^^ unused type parameter
Sep 19 16:45:33.016 INFO kablam!    |
Sep 19 16:45:33.016 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 19 16:45:33.016 INFO kablam! 
Sep 19 16:45:33.030 INFO kablam! error: aborting due to 2 previous errors
Sep 19 16:45:33.030 INFO kablam! 
Sep 19 16:45:33.030 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 19 16:45:33.038 INFO kablam! error: Could not compile `topdown-rs`.
Sep 19 16:45:33.038 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 19 16:45:33.131 INFO kablam! error: build failed
Sep 19 16:45:33.132 INFO kablam! su: No module specific data is present
Sep 19 16:45:33.655 INFO running `"docker" "rm" "-f" "da3ad952281430a8c20435a335cb6f922106d07d15d7c37477c16750900de66f"`
Sep 19 16:45:33.721 INFO blam! da3ad952281430a8c20435a335cb6f922106d07d15d7c37477c16750900de66f