Sep 19 20:10:06.241 INFO checking regex_generate-0.2.0 against master#ff6422d7a392acfc8af28994d65af2bbaecea4f6 for pr-54346
Sep 19 20:10:06.241 INFO running: cargo +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets
Sep 19 20:10:06.241 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-54346/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54346/worker-5/master#ff6422d7a392acfc8af28994d65af2bbaecea4f6:/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 +ff6422d7a392acfc8af28994d65af2bbaecea4f6-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 20:10:06.397 INFO blam! 2ae2fbd2cc5a32f58e586baca7b712a9001632fe824c521ddac4c94ce11b9197
Sep 19 20:10:06.400 INFO running `"docker" "start" "-a" "2ae2fbd2cc5a32f58e586baca7b712a9001632fe824c521ddac4c94ce11b9197"`
Sep 19 20:10:07.547 INFO kablam! usermod: no changes
Sep 19 20:10:07.706 INFO kablam!     Checking regex_generate v0.2.0 (/source)
Sep 19 20:10:08.815 INFO kablam! warning: unused import: `regex_syntax::Expr`
Sep 19 20:10:08.815 INFO kablam!    --> src/lib.rs:142:9
Sep 19 20:10:08.815 INFO kablam!     |
Sep 19 20:10:08.815 INFO kablam! 142 |     use regex_syntax::Expr;
Sep 19 20:10:08.815 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^
Sep 19 20:10:08.815 INFO kablam!     |
Sep 19 20:10:08.815 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 19 20:10:08.815 INFO kablam! 
Sep 19 20:10:09.799 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 2.22s
Sep 19 20:10:09.803 INFO kablam! su: No module specific data is present
Sep 19 20:10:11.001 INFO running `"docker" "rm" "-f" "2ae2fbd2cc5a32f58e586baca7b712a9001632fe824c521ddac4c94ce11b9197"`
Sep 19 20:10:11.327 INFO blam! 2ae2fbd2cc5a32f58e586baca7b712a9001632fe824c521ddac4c94ce11b9197