Sep 04 21:21:40.881 INFO checking ess-0.4.1 against master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8 for pr-53913
Sep 04 21:21:40.881 INFO running: cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets
Sep 04 21:21:40.881 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53913/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-2/master#2687112ea6a8701cbf36e6dd4d77d64694cf93d8:/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=500" "-e" "CMD=cargo +2687112ea6a8701cbf36e6dd4d77d64694cf93d8-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 21:21:41.039 INFO blam! cde6ce32418c8f867d3b3274c46ed7bb3a9f2cfa0d23057f9cd25a39372bdbb7
Sep 04 21:21:41.041 INFO running `"docker" "start" "-a" "cde6ce32418c8f867d3b3274c46ed7bb3a9f2cfa0d23057f9cd25a39372bdbb7"`
Sep 04 21:21:41.673 INFO kablam!     Checking ess v0.4.1 (file:///source)
Sep 04 21:21:42.467 INFO kablam! warning: unused import: `parser::ParseResult::*`
Sep 04 21:21:42.467 INFO kablam!    --> src/parser.rs:461:9
Sep 04 21:21:42.467 INFO kablam!     |
Sep 04 21:21:42.467 INFO kablam! 461 |     use parser::ParseResult::*;
Sep 04 21:21:42.467 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Sep 04 21:21:42.467 INFO kablam!     |
Sep 04 21:21:42.467 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 04 21:21:42.467 INFO kablam! 
Sep 04 21:21:43.294 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.63s
Sep 04 21:21:43.296 INFO kablam! su: No module specific data is present
Sep 04 21:21:43.982 INFO running `"docker" "rm" "-f" "cde6ce32418c8f867d3b3274c46ed7bb3a9f2cfa0d23057f9cd25a39372bdbb7"`
Sep 04 21:21:44.080 INFO blam! cde6ce32418c8f867d3b3274c46ed7bb3a9f2cfa0d23057f9cd25a39372bdbb7