Sep 17 18:14:57.741 INFO checking rust-mpfr-0.1.7 against try#cfeeefe83c83bceb55d60d7e2be173db7597ed50 for pr-54033
Sep 17 18:14:57.741 INFO running: cargo +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets
Sep 17 18:14:57.741 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-54033/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-54033/worker-0/try#cfeeefe83c83bceb55d60d7e2be173db7597ed50:/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 +cfeeefe83c83bceb55d60d7e2be173db7597ed50-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "1536M" "crater"`
Sep 17 18:14:57.935 INFO blam! 36615eaaab36050e766b5a4dcd6357d4a37027601e0c7edf323b333cbf4b3a2b
Sep 17 18:14:57.936 INFO running `"docker" "start" "-a" "36615eaaab36050e766b5a4dcd6357d4a37027601e0c7edf323b333cbf4b3a2b"`
Sep 17 18:14:58.747 INFO kablam! usermod: no changes
Sep 17 18:14:58.782 INFO kablam!     Checking rust-gmp v0.3.2
Sep 17 18:14:59.162 INFO kablam!     Checking rust-mpfr v0.1.7 (/source)
Sep 17 18:14:59.779 INFO kablam! warning: unused arithmetic operation which must be used
Sep 17 18:14:59.779 INFO kablam!   --> src/test.rs:42:5
Sep 17 18:14:59.779 INFO kablam!    |
Sep 17 18:14:59.779 INFO kablam! 42 |     x / y;
Sep 17 18:14:59.779 INFO kablam!    |     ^^^^^
Sep 17 18:14:59.779 INFO kablam!    |
Sep 17 18:14:59.779 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 17 18:14:59.779 INFO kablam! 
Sep 17 18:14:59.791 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.02s
Sep 17 18:14:59.794 INFO kablam! su: No module specific data is present
Sep 17 18:15:00.764 INFO running `"docker" "rm" "-f" "36615eaaab36050e766b5a4dcd6357d4a37027601e0c7edf323b333cbf4b3a2b"`
Sep 17 18:15:00.890 INFO blam! 36615eaaab36050e766b5a4dcd6357d4a37027601e0c7edf323b333cbf4b3a2b