Sep 06 01:44:57.247 INFO checking regex_generate-0.2.0 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 01:44:57.247 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 01:44:57.247 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-4/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/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 +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 06 01:44:57.432 INFO blam! a58e6766c12820e79512b41fe9080c2682f84a11639e7a48d30b57d1f76a2a87
Sep 06 01:44:57.434 INFO running `"docker" "start" "-a" "a58e6766c12820e79512b41fe9080c2682f84a11639e7a48d30b57d1f76a2a87"`
Sep 06 01:44:58.361 INFO kablam! usermod: no changes
Sep 06 01:44:58.518 INFO kablam!     Checking regex_generate v0.2.0 (file:///source)
Sep 06 01:44:59.566 INFO kablam! warning: unused import: `regex_syntax::Expr`
Sep 06 01:44:59.566 INFO kablam!    --> src/lib.rs:142:9
Sep 06 01:44:59.566 INFO kablam!     |
Sep 06 01:44:59.566 INFO kablam! 142 |     use regex_syntax::Expr;
Sep 06 01:44:59.566 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Sep 06 01:44:59.566 INFO kablam!     |
Sep 06 01:44:59.566 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 01:44:59.566 INFO kablam! 
Sep 06 01:45:00.970 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.58s
Sep 06 01:45:00.974 INFO kablam! su: No module specific data is present
Sep 06 01:45:02.661 INFO running `"docker" "rm" "-f" "a58e6766c12820e79512b41fe9080c2682f84a11639e7a48d30b57d1f76a2a87"`
Sep 06 01:45:02.766 INFO blam! a58e6766c12820e79512b41fe9080c2682f84a11639e7a48d30b57d1f76a2a87