Aug 01 23:34:10.040 INFO checking rust-mpfr-0.1.7 against 1.27.2+tmplazy for lazy_static-1
Aug 01 23:34:10.040 INFO running: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:34:10.040 INFO creating container for: cargo +1.27.2 check --frozen --all --all-targets
Aug 01 23:34:10.040 INFO running `"docker" "create" "-v" "/tmp/crater.5hgq8o7nZS5G:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/lazy_static-1/worker-5/1.27.2+tmplazy:/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" "-v" "/home/ec2-user/crater/./work/local/cargo-home/git:/cargo-home/git:rw,Z" "-e" "USER_ID=500" "-e" "CMD=cargo +1.27.2 check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "crater"`
Aug 01 23:34:10.201 INFO blam! fb041737af6d935c8b990b6a2da5ea5026a68f2d0622fe2b46c11dd457ef80db
Aug 01 23:34:10.203 INFO running `"docker" "start" "-a" "fb041737af6d935c8b990b6a2da5ea5026a68f2d0622fe2b46c11dd457ef80db"`
Aug 01 23:34:11.504 INFO kablam!     Checking rust-mpfr v0.1.7 (file:///source)
Aug 01 23:34:12.768 INFO kablam! warning: unused arithmetic operation which must be used
Aug 01 23:34:12.768 INFO kablam!   --> src/test.rs:42:5
Aug 01 23:34:12.768 INFO kablam!    |
Aug 01 23:34:12.768 INFO kablam! 42 |     x / y;
Aug 01 23:34:12.768 INFO kablam!    |     ^^^^^
Aug 01 23:34:12.768 INFO kablam!    |
Aug 01 23:34:12.768 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Aug 01 23:34:12.768 INFO kablam! 
Aug 01 23:34:12.801 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 1.32s
Aug 01 23:34:12.807 INFO kablam! su: No module specific data is present
Aug 01 23:34:13.422 INFO running `"docker" "rm" "-f" "fb041737af6d935c8b990b6a2da5ea5026a68f2d0622fe2b46c11dd457ef80db"`
Aug 01 23:34:13.577 INFO blam! fb041737af6d935c8b990b6a2da5ea5026a68f2d0622fe2b46c11dd457ef80db