Nov 01 15:07:36.709 INFO checking threading-0.1.2 against master#05812fa8c588473f03e3fa7cf59cd84f4f37c715 for pr-55538
Nov 01 15:07:36.709 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-55538/worker-6/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-55538/master#05812fa8c588473f03e3fa7cf59cd84f4f37c715:/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 +05812fa8c588473f03e3fa7cf59cd84f4f37c715-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"`
Nov 01 15:07:37.045 INFO blam! 9deedd8f3ad1cd668434daf5d420a32b0543b6b4deb59ae95f53c4a30820f81e
Nov 01 15:07:37.046 INFO running `"docker" "start" "-a" "9deedd8f3ad1cd668434daf5d420a32b0543b6b4deb59ae95f53c4a30820f81e"`
Nov 01 15:07:37.568 INFO kablam! usermod: no changes
Nov 01 15:07:37.599 INFO kablam!     Checking threading v0.1.2 (/source)
Nov 01 15:07:38.287 INFO kablam! warning: unused arithmetic operation that must be used
Nov 01 15:07:38.287 INFO kablam!    --> src/lib.rs:165:13
Nov 01 15:07:38.288 INFO kablam!     |
Nov 01 15:07:38.288 INFO kablam! 165 |             i * i;
Nov 01 15:07:38.289 INFO kablam!     |             ^^^^^
Nov 01 15:07:38.289 INFO kablam!     |
Nov 01 15:07:38.289 INFO kablam!     = note: #[warn(unused_must_use)] on by default
Nov 01 15:07:38.290 INFO kablam! 
Nov 01 15:07:38.301 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.71s
Nov 01 15:07:38.304 INFO kablam! su: No module specific data is present
Nov 01 15:07:38.661 INFO running `"docker" "rm" "-f" "9deedd8f3ad1cd668434daf5d420a32b0543b6b4deb59ae95f53c4a30820f81e"`
Nov 01 15:07:38.863 INFO blam! 9deedd8f3ad1cd668434daf5d420a32b0543b6b4deb59ae95f53c4a30820f81e