Sep 21 01:37:19.320 INFO checking topdown-rs-0.3.3 against try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6 for pr-54394
Sep 21 01:37:19.320 INFO running: cargo +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets
Sep 21 01:37:19.321 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54394/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-0/try#f1a3f05968ed2a674e09b6efa4ad9df90816e2b6:/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 +f1a3f05968ed2a674e09b6efa4ad9df90816e2b6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 01:37:19.518 INFO blam! 9a9e375f3011830f0e3952f3856d0f2d6858d98035f5b7af7b6f444e86045838
Sep 21 01:37:19.522 INFO running `"docker" "start" "-a" "9a9e375f3011830f0e3952f3856d0f2d6858d98035f5b7af7b6f444e86045838"`
Sep 21 01:37:20.763 INFO kablam! usermod: no changes
Sep 21 01:37:20.819 INFO kablam!     Checking topdown-rs v0.3.3 (/source)
Sep 21 01:37:21.206 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 21 01:37:21.206 INFO kablam!   --> src/chainl.rs:54:15
Sep 21 01:37:21.206 INFO kablam!    |
Sep 21 01:37:21.206 INFO kablam! 54 |     struct Op<'a>;
Sep 21 01:37:21.206 INFO kablam!    |               ^^ unused type parameter
Sep 21 01:37:21.206 INFO kablam!    |
Sep 21 01:37:21.206 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 21 01:37:21.206 INFO kablam! 
Sep 21 01:37:21.213 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 21 01:37:21.213 INFO kablam!   --> src/chainr.rs:47:15
Sep 21 01:37:21.213 INFO kablam!    |
Sep 21 01:37:21.213 INFO kablam! 47 |     struct Op<'a>;
Sep 21 01:37:21.213 INFO kablam!    |               ^^ unused type parameter
Sep 21 01:37:21.213 INFO kablam!    |
Sep 21 01:37:21.213 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 21 01:37:21.213 INFO kablam! 
Sep 21 01:37:21.226 INFO kablam! error: aborting due to 2 previous errors
Sep 21 01:37:21.226 INFO kablam! 
Sep 21 01:37:21.226 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 21 01:37:21.234 INFO kablam! error: Could not compile `topdown-rs`.
Sep 21 01:37:21.234 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 21 01:37:21.363 INFO kablam! error: build failed
Sep 21 01:37:21.370 INFO kablam! su: No module specific data is present
Sep 21 01:37:22.078 INFO running `"docker" "rm" "-f" "9a9e375f3011830f0e3952f3856d0f2d6858d98035f5b7af7b6f444e86045838"`
Sep 21 01:37:22.245 INFO blam! 9a9e375f3011830f0e3952f3856d0f2d6858d98035f5b7af7b6f444e86045838