Sep 19 19:01:51.564 INFO checking threading-0.1.2 against master#1e21c9a297a9fe668d62887a3a6a4add8e717b17 for pr-54352
Sep 19 19:01:51.564 INFO running: cargo +1e21c9a297a9fe668d62887a3a6a4add8e717b17-alt check --frozen --all --all-targets
Sep 19 19:01:51.564 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-54352/master#1e21c9a297a9fe668d62887a3a6a4add8e717b17:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54352/worker-1/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 19:01:51.905 INFO blam! dbf496a594c545019e36077e9612a1482fa1319c57a737e207a89ebeb2231cec
Sep 19 19:01:51.907 INFO running `"docker" "start" "-a" "dbf496a594c545019e36077e9612a1482fa1319c57a737e207a89ebeb2231cec"`
Sep 19 19:01:52.736 INFO kablam! usermod: no changes
Sep 19 19:01:52.757 INFO kablam!     Checking threading v0.1.2 (/source)
Sep 19 19:01:52.943 INFO kablam! warning: unused arithmetic operation which must be used
Sep 19 19:01:52.943 INFO kablam!    --> src/lib.rs:165:13
Sep 19 19:01:52.943 INFO kablam!     |
Sep 19 19:01:52.943 INFO kablam! 165 |             i * i;
Sep 19 19:01:52.943 INFO kablam!     |             ^^^^^
Sep 19 19:01:52.943 INFO kablam!     |
Sep 19 19:01:52.943 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Sep 19 19:01:52.943 INFO kablam! 
Sep 19 19:01:52.953 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
Sep 19 19:01:52.955 INFO kablam! su: No module specific data is present
Sep 19 19:01:53.424 INFO running `"docker" "rm" "-f" "dbf496a594c545019e36077e9612a1482fa1319c57a737e207a89ebeb2231cec"`
Sep 19 19:01:53.504 INFO blam! dbf496a594c545019e36077e9612a1482fa1319c57a737e207a89ebeb2231cec