Sep 19 19:59:12.066 INFO checking snowflake-multi-threaded-0.1.1 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:59:12.066 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:59:12.066 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-0/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/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 +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 19 19:59:12.248 INFO blam! 2686c59b40504fa898f67330a25821a57896d7807dd945ffde4ff4f11a5fc275
Sep 19 19:59:12.250 INFO running `"docker" "start" "-a" "2686c59b40504fa898f67330a25821a57896d7807dd945ffde4ff4f11a5fc275"`
Sep 19 19:59:13.238 INFO kablam! usermod: no changes
Sep 19 19:59:13.261 INFO kablam!     Checking snowflake-multi-threaded v0.1.1 (/source)
Sep 19 19:59:13.473 INFO kablam! warning: unused variable: `new_id`
Sep 19 19:59:13.473 INFO kablam!    --> src/lib.rs:159:25
Sep 19 19:59:13.473 INFO kablam!     |
Sep 19 19:59:13.473 INFO kablam! 159 |                     let new_id = t.generate_id().unwrap();
Sep 19 19:59:13.473 INFO kablam!     |                         ^^^^^^ help: consider using `_new_id` instead
Sep 19 19:59:13.473 INFO kablam!     |
Sep 19 19:59:13.473 INFO kablam!     = note: #[warn(unused_variables)] on by default
Sep 19 19:59:13.473 INFO kablam! 
Sep 19 19:59:13.500 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.25s
Sep 19 19:59:13.503 INFO kablam! su: No module specific data is present
Sep 19 19:59:13.971 INFO running `"docker" "rm" "-f" "2686c59b40504fa898f67330a25821a57896d7807dd945ffde4ff4f11a5fc275"`
Sep 19 19:59:14.048 INFO blam! 2686c59b40504fa898f67330a25821a57896d7807dd945ffde4ff4f11a5fc275