Sep 19 22:09:55.056 INFO checking rbtree-0.1.5 against try#135b4cd023a753409d01e43b0f23d22a899feeeb for pr-54352
Sep 19 22:09:55.056 INFO running: cargo +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets
Sep 19 22:09:55.056 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-3/pr-54352/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-3/try#135b4cd023a753409d01e43b0f23d22a899feeeb:/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 +135b4cd023a753409d01e43b0f23d22a899feeeb-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 22:09:55.196 INFO blam! cafc4aba001cdb7e7899eb7453c7fa4ed6d23f5ef06aafd40dc013a32736b14a
Sep 19 22:09:55.198 INFO running `"docker" "start" "-a" "cafc4aba001cdb7e7899eb7453c7fa4ed6d23f5ef06aafd40dc013a32736b14a"`
Sep 19 22:09:55.996 INFO kablam! usermod: no changes
Sep 19 22:09:56.021 INFO kablam!     Checking rbtree v0.1.5 (/source)
Sep 19 22:09:56.224 INFO kablam! warning: unused import: `super::RBTree`
Sep 19 22:09:56.224 INFO kablam!     --> src/lib.rs:1404:9
Sep 19 22:09:56.224 INFO kablam!      |
Sep 19 22:09:56.224 INFO kablam! 1404 |     use super::RBTree;
Sep 19 22:09:56.224 INFO kablam!      |         ^^^^^^^^^^^^^
Sep 19 22:09:56.224 INFO kablam!      |
Sep 19 22:09:56.224 INFO kablam!      = note: #[warn(unused_imports)] on by default
Sep 19 22:09:56.224 INFO kablam! 
Sep 19 22:09:56.941 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.93s
Sep 19 22:09:56.947 INFO kablam! su: No module specific data is present
Sep 19 22:09:57.615 INFO running `"docker" "rm" "-f" "cafc4aba001cdb7e7899eb7453c7fa4ed6d23f5ef06aafd40dc013a32736b14a"`
Sep 19 22:09:57.725 INFO blam! cafc4aba001cdb7e7899eb7453c7fa4ed6d23f5ef06aafd40dc013a32736b14a