Sep 10 19:31:02.711 INFO checking ess-0.4.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 19:31:02.711 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 19:31:02.711 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-2/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 19:31:02.886 INFO blam! 1afece8704b2584669695fd94e7a75a315f6a138595eb626923025826533c37f
Sep 10 19:31:02.888 INFO running `"docker" "start" "-a" "1afece8704b2584669695fd94e7a75a315f6a138595eb626923025826533c37f"`
Sep 10 19:31:03.502 INFO kablam! usermod: no changes
Sep 10 19:31:03.528 INFO kablam!     Checking ess v0.4.1 (file:///source)
Sep 10 19:31:03.937 INFO kablam! warning: unused import: `parser::ParseResult::*`
Sep 10 19:31:03.937 INFO kablam!    --> src/parser.rs:461:9
Sep 10 19:31:03.937 INFO kablam!     |
Sep 10 19:31:03.937 INFO kablam! 461 |     use parser::ParseResult::*;
Sep 10 19:31:03.937 INFO kablam!     |         ^^^^^^^^^^^^^^^^^^^^^^
Sep 10 19:31:03.937 INFO kablam!     |
Sep 10 19:31:03.937 INFO kablam!     = note: #[warn(unused_imports)] on by default
Sep 10 19:31:03.937 INFO kablam! 
Sep 10 19:31:04.646 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.13s
Sep 10 19:31:04.648 INFO kablam! su: No module specific data is present
Sep 10 19:31:05.327 INFO running `"docker" "rm" "-f" "1afece8704b2584669695fd94e7a75a315f6a138595eb626923025826533c37f"`
Sep 10 19:31:05.452 INFO blam! 1afece8704b2584669695fd94e7a75a315f6a138595eb626923025826533c37f