Sep 10 19:30:59.525 INFO checking ess-0.4.1 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 19:30:59.525 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 19:30:59.525 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-7/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-7/try#3a2610c2a16575649896925631bf8cec4f4b1961:/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 +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 19:30:59.736 INFO blam! 051d99f4e5c6dcff5757a6f380d0291489a0d795ed2af72892f76694a918e9bf
Sep 10 19:30:59.738 INFO running `"docker" "start" "-a" "051d99f4e5c6dcff5757a6f380d0291489a0d795ed2af72892f76694a918e9bf"`
Sep 10 19:31:01.181 INFO kablam! usermod: no changes
Sep 10 19:31:01.258 INFO kablam!     Checking ess v0.4.1 (file:///source)
Sep 10 19:31:02.014 INFO kablam! warning: unused import: `parser::ParseResult::*`
Sep 10 19:31:02.014 INFO kablam!    --> src/parser.rs:461:9
Sep 10 19:31:02.014 INFO kablam!     |
Sep 10 19:31:02.014 INFO kablam! 461 |     use parser::ParseResult::*;
Sep 10 19:31:02.014 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 19:31:02.014 INFO kablam!     |
Sep 10 19:31:02.014 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 19:31:02.014 INFO kablam! 
Sep 10 19:31:02.618 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.41s
Sep 10 19:31:02.626 INFO kablam! su: No module specific data is present
Sep 10 19:31:03.155 INFO running `"docker" "rm" "-f" "051d99f4e5c6dcff5757a6f380d0291489a0d795ed2af72892f76694a918e9bf"`
Sep 10 19:31:03.233 INFO blam! 051d99f4e5c6dcff5757a6f380d0291489a0d795ed2af72892f76694a918e9bf