Sep 04 06:59:28.921 INFO checking rangetree-0.1.2 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 06:59:28.921 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 06:59:28.921 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-2/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-2/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 06:59:29.111 INFO blam! c30f83c153c49761d00f25ef7d0a398a8e095e4f8e65e254d1634b2a2e68ef83
Sep 04 06:59:29.113 INFO running `"docker" "start" "-a" "c30f83c153c49761d00f25ef7d0a398a8e095e4f8e65e254d1634b2a2e68ef83"`
Sep 04 06:59:29.689 INFO kablam!     Checking rangetree v0.1.2 (file:///source)
Sep 04 06:59:30.270 INFO kablam! warning: unnecessary parentheses around method argument
Sep 04 06:59:30.270 INFO kablam!   --> src/tests_rangetree.rs:65:23
Sep 04 06:59:30.270 INFO kablam!    |
Sep 04 06:59:30.270 INFO kablam! 65 |         assert!(r.has((i * 2)) == false);
Sep 04 06:59:30.271 INFO kablam!    |                       ^^^^^^^ help: remove these parentheses
Sep 04 06:59:30.271 INFO kablam!    |
Sep 04 06:59:30.271 INFO kablam!    = note: #[warn(unused_parens)] on by default
Sep 04 06:59:30.271 INFO kablam! 
Sep 04 06:59:30.779 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Sep 04 06:59:30.781 INFO kablam! su: No module specific data is present
Sep 04 06:59:31.224 INFO running `"docker" "rm" "-f" "c30f83c153c49761d00f25ef7d0a398a8e095e4f8e65e254d1634b2a2e68ef83"`
Sep 04 06:59:31.327 INFO blam! c30f83c153c49761d00f25ef7d0a398a8e095e4f8e65e254d1634b2a2e68ef83