Sep 10 12:15:18.301 INFO checking rangetree-0.1.2 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 12:15:18.301 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 12:15:18.302 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-3/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 12:15:18.543 INFO blam! edc900416b779b4707805d5ff2b1b46b81ae51ca5564933a58e708fa6d9bcc53
Sep 10 12:15:18.545 INFO running `"docker" "start" "-a" "edc900416b779b4707805d5ff2b1b46b81ae51ca5564933a58e708fa6d9bcc53"`
Sep 10 12:15:19.687 INFO kablam! usermod: no changes
Sep 10 12:15:19.746 INFO kablam!     Checking rangetree v0.1.2 (file:///source)
Sep 10 12:15:20.210 INFO kablam! warning: unnecessary parentheses around method argument
Sep 10 12:15:20.210 INFO kablam!   --> src/tests_rangetree.rs:65:23
Sep 10 12:15:20.210 INFO kablam!    |
Sep 10 12:15:20.210 INFO kablam! 65 |         assert!(r.has((i * 2)) == false);
Sep 10 12:15:20.210 INFO kablam!    |                       ^^^^^^^ help: remove these parentheses
Sep 10 12:15:20.210 INFO kablam!    |
Sep 10 12:15:20.210 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 10 12:15:20.210 INFO kablam! 
Sep 10 12:15:20.727 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.01s
Sep 10 12:15:20.732 INFO kablam! su: No module specific data is present
Sep 10 12:15:21.460 INFO running `"docker" "rm" "-f" "edc900416b779b4707805d5ff2b1b46b81ae51ca5564933a58e708fa6d9bcc53"`
Sep 10 12:15:21.574 INFO blam! edc900416b779b4707805d5ff2b1b46b81ae51ca5564933a58e708fa6d9bcc53