Sep 10 09:32:30.824 INFO checking snowflake-multi-threaded-0.1.1 against master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1 for pr-54090
Sep 10 09:32:30.824 INFO running: cargo +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets
Sep 10 09:32:30.824 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-6/pr-54090/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54090/worker-6/master#f50b7758f4dc85dc1c5e38258adaa94213ac6ed1:/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 +f50b7758f4dc85dc1c5e38258adaa94213ac6ed1-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-m" "2G" "crater"`
Sep 10 09:32:30.985 INFO blam! 4a4464a47268d9042467b1491cf6a4ee295125808aec618f871adb6ffdefcc92
Sep 10 09:32:30.987 INFO running `"docker" "start" "-a" "4a4464a47268d9042467b1491cf6a4ee295125808aec618f871adb6ffdefcc92"`
Sep 10 09:32:31.854 INFO kablam! usermod: no changes
Sep 10 09:32:31.876 INFO kablam!     Checking snowflake-multi-threaded v0.1.1 (file:///source)
Sep 10 09:32:32.143 INFO kablam! warning: unused variable: `new_id`
Sep 10 09:32:32.143 INFO kablam!    --> src/lib.rs:159:25
Sep 10 09:32:32.143 INFO kablam!     |
Sep 10 09:32:32.143 INFO kablam! 159 |                     let new_id = t.generate_id().unwrap();
Sep 10 09:32:32.143 INFO kablam!     |                         ^^^^^^ help: consider using `_new_id` instead
Sep 10 09:32:32.143 INFO kablam!     |
Sep 10 09:32:32.143 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 10 09:32:32.143 INFO kablam! 
Sep 10 09:32:32.168 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.30s
Sep 10 09:32:32.171 INFO kablam! su: No module specific data is present
Sep 10 09:32:32.908 INFO running `"docker" "rm" "-f" "4a4464a47268d9042467b1491cf6a4ee295125808aec618f871adb6ffdefcc92"`
Sep 10 09:32:33.011 INFO blam! 4a4464a47268d9042467b1491cf6a4ee295125808aec618f871adb6ffdefcc92