Sep 14 07:29:58.422 INFO checking topdown-rs-0.3.3 against master#90d36fb5905bbe5004f5b465ea14b53d10dae260 for pr-53578-1
Sep 14 07:29:58.422 INFO running: cargo +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets
Sep 14 07:29:58.422 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53578-1/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53578-1/worker-4/master#90d36fb5905bbe5004f5b465ea14b53d10dae260:/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 +90d36fb5905bbe5004f5b465ea14b53d10dae260-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 14 07:29:58.560 INFO blam! cda64765bec7b36a52da5c3c52f106c2807736c50499c79b82cdbc4af6835376
Sep 14 07:29:58.561 INFO running `"docker" "start" "-a" "cda64765bec7b36a52da5c3c52f106c2807736c50499c79b82cdbc4af6835376"`
Sep 14 07:29:59.403 INFO kablam! usermod: no changes
Sep 14 07:29:59.472 INFO kablam!     Checking topdown-rs v0.3.3 (file:///source)
Sep 14 07:29:59.923 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 14 07:29:59.923 INFO kablam!   --> src/chainl.rs:54:15
Sep 14 07:29:59.923 INFO kablam!    |
Sep 14 07:29:59.923 INFO kablam! 54 |     struct Op<'a>;
Sep 14 07:29:59.923 INFO kablam!    |               ^^ unused type parameter
Sep 14 07:29:59.923 INFO kablam!    |
Sep 14 07:29:59.923 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 14 07:29:59.923 INFO kablam! 
Sep 14 07:29:59.924 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 14 07:29:59.924 INFO kablam!   --> src/chainr.rs:47:15
Sep 14 07:29:59.924 INFO kablam!    |
Sep 14 07:29:59.924 INFO kablam! 47 |     struct Op<'a>;
Sep 14 07:29:59.924 INFO kablam!    |               ^^ unused type parameter
Sep 14 07:29:59.924 INFO kablam!    |
Sep 14 07:29:59.924 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 14 07:29:59.924 INFO kablam! 
Sep 14 07:29:59.959 INFO kablam! error: aborting due to 2 previous errors
Sep 14 07:29:59.959 INFO kablam! 
Sep 14 07:29:59.959 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 14 07:29:59.979 INFO kablam! error: Could not compile `topdown-rs`.
Sep 14 07:29:59.979 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 14 07:30:00.011 INFO kablam! error: build failed
Sep 14 07:30:00.012 INFO kablam! su: No module specific data is present
Sep 14 07:30:01.073 INFO running `"docker" "rm" "-f" "cda64765bec7b36a52da5c3c52f106c2807736c50499c79b82cdbc4af6835376"`
Sep 14 07:30:01.134 INFO blam! cda64765bec7b36a52da5c3c52f106c2807736c50499c79b82cdbc4af6835376