Sep 04 08:02:44.592 INFO checking rust-mpfr-0.1.7 against try#5fe695a3844714c70e8f7731a553f7947987a68a for pr-53913
Sep 04 08:02:44.592 INFO running: cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets
Sep 04 08:02:44.593 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-1/pr-53913/try#5fe695a3844714c70e8f7731a553f7947987a68a:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53913/worker-1/try#5fe695a3844714c70e8f7731a553f7947987a68a:/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=500" "-e" "CMD=cargo +5fe695a3844714c70e8f7731a553f7947987a68a-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 08:02:44.734 INFO blam! 8f3ffe7deea8374478d03f617b2cc3bf9744fa6edbabb34b3c10d80f3c7d18f3
Sep 04 08:02:44.736 INFO running `"docker" "start" "-a" "8f3ffe7deea8374478d03f617b2cc3bf9744fa6edbabb34b3c10d80f3c7d18f3"`
Sep 04 08:02:45.516 INFO kablam!     Checking rust-mpfr v0.1.7 (file:///source)
Sep 04 08:02:46.307 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 08:02:46.307 INFO kablam!   --> src/test.rs:42:5
Sep 04 08:02:46.307 INFO kablam!    |
Sep 04 08:02:46.307 INFO kablam! 42 |     x / y;
Sep 04 08:02:46.307 INFO kablam!    |     ^^^^^
Sep 04 08:02:46.307 INFO kablam!    |
Sep 04 08:02:46.307 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 08:02:46.308 INFO kablam! 
Sep 04 08:02:46.326 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.82s
Sep 04 08:02:46.328 INFO kablam! su: No module specific data is present
Sep 04 08:02:46.830 INFO running `"docker" "rm" "-f" "8f3ffe7deea8374478d03f617b2cc3bf9744fa6edbabb34b3c10d80f3c7d18f3"`
Sep 04 08:02:46.936 INFO blam! 8f3ffe7deea8374478d03f617b2cc3bf9744fa6edbabb34b3c10d80f3c7d18f3