Sep 06 07:25:57.645 INFO checking ess-0.4.1 against try#51ff957df5095d92d1d3d4682207ee8b7ad408a8 for pr-53854
Sep 06 07:25:57.645 INFO running: cargo +51ff957df5095d92d1d3d4682207ee8b7ad408a8-alt check --frozen --all --all-targets
Sep 06 07:25:57.645 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-5/pr-53854/try#51ff957df5095d92d1d3d4682207ee8b7ad408a8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53854/worker-5/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 07:25:57.778 INFO blam! cbc1b38b05ade2f6334b3592618afa957ec7b60b94bf5a3a228deac03ce9d445
Sep 06 07:25:57.785 INFO running `"docker" "start" "-a" "cbc1b38b05ade2f6334b3592618afa957ec7b60b94bf5a3a228deac03ce9d445"`
Sep 06 07:25:58.657 INFO kablam! usermod: no changes
Sep 06 07:25:58.675 INFO kablam!     Checking ess v0.4.1 (file:///source)
Sep 06 07:25:58.957 INFO kablam! warning: unused import: `parser::ParseResult::*`
Sep 06 07:25:58.957 INFO kablam!    --> src/parser.rs:461:9
Sep 06 07:25:58.957 INFO kablam!     |
Sep 06 07:25:58.957 INFO kablam! 461 |     use parser::ParseResult::*;
Sep 06 07:25:58.957 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Sep 06 07:25:58.957 INFO kablam!     |
Sep 06 07:25:58.957 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 06 07:25:58.957 INFO kablam! 
Sep 06 07:25:59.407 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
Sep 06 07:25:59.409 INFO kablam! su: No module specific data is present
Sep 06 07:26:00.178 INFO running `"docker" "rm" "-f" "cbc1b38b05ade2f6334b3592618afa957ec7b60b94bf5a3a228deac03ce9d445"`
Sep 06 07:26:00.302 INFO blam! cbc1b38b05ade2f6334b3592618afa957ec7b60b94bf5a3a228deac03ce9d445