Sep 10 11:23:26.182 INFO checking robin-derives-0.3.0 against try#3a2610c2a16575649896925631bf8cec4f4b1961 for pr-54090
Sep 10 11:23:26.182 INFO running: cargo +3a2610c2a16575649896925631bf8cec4f4b1961-alt check --frozen --all --all-targets
Sep 10 11:23:26.182 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54090/try#3a2610c2a16575649896925631bf8cec4f4b1961:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-0/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 11:23:26.335 INFO blam! 243e92dfe0ffe935e822be8fcec5e8d4c27510ddc631865b0f1bdf7b26fab5d3
Sep 10 11:23:26.337 INFO running `"docker" "start" "-a" "243e92dfe0ffe935e822be8fcec5e8d4c27510ddc631865b0f1bdf7b26fab5d3"`
Sep 10 11:23:26.882 INFO kablam! usermod: no changes
Sep 10 11:23:26.922 INFO kablam!     Checking robin-derives v0.3.0 (file:///source)
Sep 10 11:23:28.186 INFO kablam! warning: function is never used: `underscore`
Sep 10 11:23:28.186 INFO kablam!    --> src/jobs.rs:111:1
Sep 10 11:23:28.186 INFO kablam!     |
Sep 10 11:23:28.186 INFO kablam! 111 | fn underscore(s: &str) -> String {
Sep 10 11:23:28.186 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 10 11:23:28.186 INFO kablam!     |
Sep 10 11:23:28.186 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 10 11:23:28.186 INFO kablam! 
Sep 10 11:23:28.276 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.38s
Sep 10 11:23:28.278 INFO kablam! su: No module specific data is present
Sep 10 11:23:28.915 INFO running `"docker" "rm" "-f" "243e92dfe0ffe935e822be8fcec5e8d4c27510ddc631865b0f1bdf7b26fab5d3"`
Sep 10 11:23:28.987 INFO blam! 243e92dfe0ffe935e822be8fcec5e8d4c27510ddc631865b0f1bdf7b26fab5d3