Sep 21 03:20:09.412 INFO checking serde-rlp-0.1.3 against master#f7f4c500b46603386e940f116b469c7adc043a6d for pr-54394
Sep 21 03:20:09.412 INFO running: cargo +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets
Sep 21 03:20:09.412 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-4/pr-54394/master#f7f4c500b46603386e940f116b469c7adc043a6d:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54394/worker-4/master#f7f4c500b46603386e940f116b469c7adc043a6d:/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 +f7f4c500b46603386e940f116b469c7adc043a6d-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 21 03:20:09.539 INFO blam! 50e2d73364635f0829c88c3310abe1459cbecccc8cf4a1ba3addd02b79245163
Sep 21 03:20:09.541 INFO running `"docker" "start" "-a" "50e2d73364635f0829c88c3310abe1459cbecccc8cf4a1ba3addd02b79245163"`
Sep 21 03:20:10.276 INFO kablam! usermod: no changes
Sep 21 03:20:10.365 INFO kablam!     Checking serde-rlp v0.1.3 (/source)
Sep 21 03:20:10.762 INFO kablam! warning: function is never used: `get_bytes`
Sep 21 03:20:10.762 INFO kablam!    --> src/de.rs:429:1
Sep 21 03:20:10.762 INFO kablam!     |
Sep 21 03:20:10.762 INFO kablam! 429 | fn get_bytes(b: &str) -> Option<Vec<u8>> {
Sep 21 03:20:10.762 INFO kablam!     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Sep 21 03:20:10.762 INFO kablam!     |
Sep 21 03:20:10.762 INFO kablam!     = note: #[warn(dead_code)] on by default
Sep 21 03:20:10.762 INFO kablam! 
Sep 21 03:20:11.085 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.79s
Sep 21 03:20:11.088 INFO kablam! su: No module specific data is present
Sep 21 03:20:11.730 INFO running `"docker" "rm" "-f" "50e2d73364635f0829c88c3310abe1459cbecccc8cf4a1ba3addd02b79245163"`
Sep 21 03:20:11.821 INFO blam! 50e2d73364635f0829c88c3310abe1459cbecccc8cf4a1ba3addd02b79245163