Sep 01 20:54:43.862 INFO checking topdown-rs-0.3.3 against master#1114ab684fbad001c4e580326d8eb4d8c4e917d3 for pr-53851
Sep 01 20:54:43.862 INFO running: cargo +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets
Sep 01 20:54:43.863 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53851/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53851/worker-1/master#1114ab684fbad001c4e580326d8eb4d8c4e917d3:/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 +1114ab684fbad001c4e580326d8eb4d8c4e917d3-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 01 20:54:44.065 INFO blam! 8eefe15cfd80b07964f14896a33002dc75e45037fae1a6ca3138c9ca92957323
Sep 01 20:54:44.067 INFO running `"docker" "start" "-a" "8eefe15cfd80b07964f14896a33002dc75e45037fae1a6ca3138c9ca92957323"`
Sep 01 20:54:44.759 INFO kablam!     Checking topdown-rs v0.3.3 (file:///source)
Sep 01 20:54:45.525 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 01 20:54:45.525 INFO kablam!   --> src/chainl.rs:54:15
Sep 01 20:54:45.525 INFO kablam!    |
Sep 01 20:54:45.525 INFO kablam! 54 |     struct Op<'a>;
Sep 01 20:54:45.525 INFO kablam!    |               ^^ unused type parameter
Sep 01 20:54:45.525 INFO kablam!    |
Sep 01 20:54:45.525 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 01 20:54:45.525 INFO kablam! 
Sep 01 20:54:45.526 INFO kablam! error[E0392]: parameter `'a` is never used
Sep 01 20:54:45.526 INFO kablam!   --> src/chainr.rs:47:15
Sep 01 20:54:45.526 INFO kablam!    |
Sep 01 20:54:45.526 INFO kablam! 47 |     struct Op<'a>;
Sep 01 20:54:45.526 INFO kablam!    |               ^^ unused type parameter
Sep 01 20:54:45.526 INFO kablam!    |
Sep 01 20:54:45.526 INFO kablam!    = help: consider removing `'a` or using a marker such as `std::marker::PhantomData`
Sep 01 20:54:45.526 INFO kablam! 
Sep 01 20:54:45.562 INFO kablam! error: aborting due to 2 previous errors
Sep 01 20:54:45.562 INFO kablam! 
Sep 01 20:54:45.562 INFO kablam! For more information about this error, try `rustc --explain E0392`.
Sep 01 20:54:45.571 INFO kablam! error: Could not compile `topdown-rs`.
Sep 01 20:54:45.571 INFO kablam! warning: build failed, waiting for other jobs to finish...
Sep 01 20:54:45.802 INFO kablam! error: build failed
Sep 01 20:54:45.804 INFO kablam! su: No module specific data is present
Sep 01 20:54:46.211 INFO running `"docker" "rm" "-f" "8eefe15cfd80b07964f14896a33002dc75e45037fae1a6ca3138c9ca92957323"`
Sep 01 20:54:46.307 INFO blam! 8eefe15cfd80b07964f14896a33002dc75e45037fae1a6ca3138c9ca92957323