Sep 17 19:11:34.220 INFO checking regex_generate-0.2.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 19:11:34.220 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 19:11:34.221 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-2/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 19:11:34.404 INFO blam! 3e15559ffb72416d358afdc7e01d439dc6a707a029a1f10dc6354055e0687182
Sep 17 19:11:34.404 INFO running `"docker" "start" "-a" "3e15559ffb72416d358afdc7e01d439dc6a707a029a1f10dc6354055e0687182"`
Sep 17 19:11:35.263 INFO kablam! usermod: no changes
Sep 17 19:11:35.387 INFO kablam!     Checking regex_generate v0.2.0 (/source)
Sep 17 19:11:36.231 INFO kablam! warning: unused import: `regex_syntax::Expr`
Sep 17 19:11:36.231 INFO kablam!    --> src/lib.rs:142:9
Sep 17 19:11:36.231 INFO kablam!     |
Sep 17 19:11:36.231 INFO kablam! 142 |     use regex_syntax::Expr;
Sep 17 19:11:36.231 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Sep 17 19:11:36.231 INFO kablam!     |
Sep 17 19:11:36.231 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 17 19:11:36.231 INFO kablam! 
Sep 17 19:11:37.571 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.27s
Sep 17 19:11:37.583 INFO kablam! su: No module specific data is present
Sep 17 19:11:38.518 INFO running `"docker" "rm" "-f" "3e15559ffb72416d358afdc7e01d439dc6a707a029a1f10dc6354055e0687182"`
Sep 17 19:11:38.799 INFO blam! 3e15559ffb72416d358afdc7e01d439dc6a707a029a1f10dc6354055e0687182