Sep 17 20:26:44.255 INFO checking optional_struct-0.2.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033 Sep 17 20:26:44.255 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets Sep 17 20:26:44.255 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-4/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"` Sep 17 20:26:44.418 INFO blam! 4e3d74714d6cc5bd743915e6a96f3817e01496cd9dcf7dd3f05317d039de5b5c Sep 17 20:26:44.420 INFO running `"docker" "start" "-a" "4e3d74714d6cc5bd743915e6a96f3817e01496cd9dcf7dd3f05317d039de5b5c"` Sep 17 20:26:45.656 INFO kablam! usermod: no changes Sep 17 20:26:45.711 INFO kablam! Compiling optional_struct v0.2.0 (/source) Sep 17 20:26:48.442 INFO kablam! warning: struct is never constructed: `Config` Sep 17 20:26:48.443 INFO kablam! --> tests/empty.rs:5:1 Sep 17 20:26:48.443 INFO kablam! | Sep 17 20:26:48.443 INFO kablam! 5 | struct Config { Sep 17 20:26:48.443 INFO kablam! | ^^^^^^^^^^^^^ Sep 17 20:26:48.443 INFO kablam! | Sep 17 20:26:48.443 INFO kablam! = note: #[warn(dead_code)] on by default Sep 17 20:26:48.443 INFO kablam! Sep 17 20:26:48.507 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 2.83s Sep 17 20:26:48.507 INFO kablam! su: No module specific data is present Sep 17 20:26:49.079 INFO running `"docker" "rm" "-f" "4e3d74714d6cc5bd743915e6a96f3817e01496cd9dcf7dd3f05317d039de5b5c"` Sep 17 20:26:49.135 INFO blam! 4e3d74714d6cc5bd743915e6a96f3817e01496cd9dcf7dd3f05317d039de5b5c