Sep 19 23:16:59.344 INFO checking optional_struct-0.2.0 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 23:16:59.344 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 23:16:59.344 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-4/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 23:16:59.544 INFO blam! 5ad34e50dea5bfd08ce262ab3eadfff50eca3688a2823169442dabdc66dd8e90
Sep 19 23:16:59.546 INFO running `"docker" "start" "-a" "5ad34e50dea5bfd08ce262ab3eadfff50eca3688a2823169442dabdc66dd8e90"`
Sep 19 23:17:00.692 INFO kablam! usermod: no changes
Sep 19 23:17:00.726 INFO kablam!    Compiling optional_struct v0.2.0 (/source)
Sep 19 23:17:03.949 INFO kablam! warning: struct is never constructed: `Config`
Sep 19 23:17:03.949 INFO kablam!  --> tests/empty.rs:5:1
Sep 19 23:17:03.949 INFO kablam!   |
Sep 19 23:17:03.949 INFO kablam! 5 | struct Config {
Sep 19 23:17:03.949 INFO kablam!   | ^^^^^^^^^^^^^
Sep 19 23:17:03.949 INFO kablam!   |
Sep 19 23:17:03.949 INFO kablam!   = note: #[warn(dead_code)] on by default
Sep 19 23:17:03.949 INFO kablam! 
Sep 19 23:17:03.968 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 3.26s
Sep 19 23:17:03.971 INFO kablam! su: No module specific data is present
Sep 19 23:17:04.858 INFO running `"docker" "rm" "-f" "5ad34e50dea5bfd08ce262ab3eadfff50eca3688a2823169442dabdc66dd8e90"`
Sep 19 23:17:04.918 INFO blam! 5ad34e50dea5bfd08ce262ab3eadfff50eca3688a2823169442dabdc66dd8e90