Sep 17 21:25:11.722 INFO checking merkle-generator-0.2.0 against master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690 for pr-54033
Sep 17 21:25:11.722 INFO running: cargo +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets
Sep 17 21:25:11.722 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54033/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-1/master#cb6d2dfa8923902b0992a1522dc4a45a9d3ba690:/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 +cb6d2dfa8923902b0992a1522dc4a45a9d3ba690-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 21:25:11.974 INFO blam! b491f403ec72a03bd2573939b2dcebfefb40ad0946a3631676facf967c0df0e7
Sep 17 21:25:11.982 INFO running `"docker" "start" "-a" "b491f403ec72a03bd2573939b2dcebfefb40ad0946a3631676facf967c0df0e7"`
Sep 17 21:25:12.927 INFO kablam! usermod: no changes
Sep 17 21:25:13.063 INFO kablam!     Checking flat-tree v1.1.0
Sep 17 21:25:13.063 INFO kablam!    Compiling ring v0.9.7
Sep 17 21:25:18.611 INFO kablam!     Checking merkle-generator v0.2.0 (/source)
Sep 17 21:25:19.035 INFO kablam! warning: unused variable: `roots`
Sep 17 21:25:19.035 INFO kablam!    --> src/lib.rs:142:26
Sep 17 21:25:19.035 INFO kablam!     |
Sep 17 21:25:19.035 INFO kablam! 142 |     fn leaf(leaf: &Node, roots: &Vec<Node>) -> Vec<u8> {
Sep 17 21:25:19.035 INFO kablam!     |                          ^^^^^ help: consider using `_roots` instead
Sep 17 21:25:19.036 INFO kablam!     |
Sep 17 21:25:19.036 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 17 21:25:19.036 INFO kablam! 
Sep 17 21:25:19.085 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 6.11s
Sep 17 21:25:19.090 INFO kablam! su: No module specific data is present
Sep 17 21:25:19.625 INFO running `"docker" "rm" "-f" "b491f403ec72a03bd2573939b2dcebfefb40ad0946a3631676facf967c0df0e7"`
Sep 17 21:25:19.760 INFO blam! b491f403ec72a03bd2573939b2dcebfefb40ad0946a3631676facf967c0df0e7