Oct 27 14:40:16.655 INFO checking threading-0.1.2 against try#19f01b935b91481fd445b16b533d2f87661bf12e for pr-55192-2
Oct 27 14:40:16.657 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-55192-2/worker-4/try#19f01b935b91481fd445b16b533d2f87661bf12e:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-55192-2/try#19f01b935b91481fd445b16b533d2f87661bf12e:/source:ro,Z" "-v" "/mnt/big/crater/./work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/./work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +19f01b935b91481fd445b16b533d2f87661bf12e-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Oct 27 14:40:17.007 INFO blam! bb05a1207c18faddd91a8edc1dd4947cf0c3c4b4067856a444f99c12c5382298
Oct 27 14:40:17.015 INFO running `"docker" "start" "-a" "bb05a1207c18faddd91a8edc1dd4947cf0c3c4b4067856a444f99c12c5382298"`
Oct 27 14:40:18.431 INFO kablam! usermod: no changes
Oct 27 14:40:18.495 INFO kablam!     Checking threading v0.1.2 (/source)
Oct 27 14:40:19.702 INFO kablam! warning: unused arithmetic operation that must be used
Oct 27 14:40:19.702 INFO kablam!    --> src/lib.rs:165:13
Oct 27 14:40:19.702 INFO kablam!     |
Oct 27 14:40:19.702 INFO kablam! 165 |             i * i;
Oct 27 14:40:19.702 INFO kablam!     |             ^^^^^
Oct 27 14:40:19.702 INFO kablam!     |
Oct 27 14:40:19.702 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Oct 27 14:40:19.702 INFO kablam! 
Oct 27 14:40:19.716 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.26s
Oct 27 14:40:19.722 INFO kablam! su: No module specific data is present
Oct 27 14:40:20.467 INFO running `"docker" "rm" "-f" "bb05a1207c18faddd91a8edc1dd4947cf0c3c4b4067856a444f99c12c5382298"`
Oct 27 14:40:20.799 INFO blam! bb05a1207c18faddd91a8edc1dd4947cf0c3c4b4067856a444f99c12c5382298