Sep 10 12:15:17.903 INFO checking rangetree-0.1.2 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 12:15:17.903 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 12:15:17.903 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 12:15:18.161 INFO blam! e8d705bdec6c765527b6f36c768043e0ddf557cf8635021699c397e3de095e4d
Sep 10 12:15:18.163 INFO running `"docker" "start" "-a" "e8d705bdec6c765527b6f36c768043e0ddf557cf8635021699c397e3de095e4d"`
Sep 10 12:15:19.262 INFO kablam! usermod: no changes
Sep 10 12:15:19.330 INFO kablam!     Checking rangetree v0.1.2 (file:///source)
Sep 10 12:15:19.707 INFO kablam! warning: unnecessary parentheses around method argument
Sep 10 12:15:19.707 INFO kablam!   --> src/tests_rangetree.rs:65:23
Sep 10 12:15:19.707 INFO kablam!    |
Sep 10 12:15:19.707 INFO kablam! 65 |         assert!(r.has((i * 2)) == false);
Sep 10 12:15:19.707 INFO kablam!    |                       ^^^^^^^ help: remove these parentheses
Sep 10 12:15:19.707 INFO kablam!    |
Sep 10 12:15:19.707 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 10 12:15:19.707 INFO kablam! 
Sep 10 12:15:20.210 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.92s
Sep 10 12:15:20.210 INFO kablam! su: No module specific data is present
Sep 10 12:15:20.914 INFO running `"docker" "rm" "-f" "e8d705bdec6c765527b6f36c768043e0ddf557cf8635021699c397e3de095e4d"`
Sep 10 12:15:21.075 INFO blam! e8d705bdec6c765527b6f36c768043e0ddf557cf8635021699c397e3de095e4d