Sep 19 21:23:10.153 INFO checking optional_struct-0.2.0 against try#fcacde07b66fe513e52c41b73aef91bcc121905b for pr-54346
Sep 19 21:23:10.153 INFO running: cargo +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets
Sep 19 21:23:10.153 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54346/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-1/try#fcacde07b66fe513e52c41b73aef91bcc121905b:/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 +fcacde07b66fe513e52c41b73aef91bcc121905b-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 21:23:10.299 INFO blam! e6da57f00137d853fe1f31a3083c455db25c0b73fd48a9a24a98c91b528c3dc2
Sep 19 21:23:10.304 INFO running `"docker" "start" "-a" "e6da57f00137d853fe1f31a3083c455db25c0b73fd48a9a24a98c91b528c3dc2"`
Sep 19 21:23:11.289 INFO kablam! usermod: no changes
Sep 19 21:23:11.330 INFO kablam!    Compiling optional_struct v0.2.0 (/source)
Sep 19 21:23:14.344 INFO kablam! warning: struct is never constructed: `Config`
Sep 19 21:23:14.344 INFO kablam!  --> tests/empty.rs:5:1
Sep 19 21:23:14.344 INFO kablam!   |
Sep 19 21:23:14.344 INFO kablam! 5 | struct Config {
Sep 19 21:23:14.344 INFO kablam!   | ^^^^^^^^^^^^^
Sep 19 21:23:14.344 INFO kablam!   |
Sep 19 21:23:14.344 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 19 21:23:14.344 INFO kablam! 
Sep 19 21:23:14.544 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.23s
Sep 19 21:23:14.544 INFO kablam! su: No module specific data is present
Sep 19 21:23:15.092 INFO running `"docker" "rm" "-f" "e6da57f00137d853fe1f31a3083c455db25c0b73fd48a9a24a98c91b528c3dc2"`
Sep 19 21:23:15.155 INFO blam! e6da57f00137d853fe1f31a3083c455db25c0b73fd48a9a24a98c91b528c3dc2