Sep 04 04:54:04.332 INFO checking rust-mpfr-0.1.7 against try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0 for pr-53893
Sep 04 04:54:04.332 INFO running: cargo +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets
Sep 04 04:54:04.332 INFO running `"docker" "create" "-v" "/home/ec2-user/crater/./work/local/test-source/worker-0/pr-53893/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/source:ro,Z" "-v" "/home/ec2-user/crater/./work/local/target-dirs/pr-53893/worker-0/try#6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0:/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 +6b43b862fabb13a0ce2a5371ea1e77ee1674b7e0-alt check --frozen --all --all-targets" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-m" "2G" "crater"`
Sep 04 04:54:04.497 INFO blam! ca26a0623f6e61e0c53c645fd3e7952e96d29713cdb9d2c08bc43918489a75ba
Sep 04 04:54:04.499 INFO running `"docker" "start" "-a" "ca26a0623f6e61e0c53c645fd3e7952e96d29713cdb9d2c08bc43918489a75ba"`
Sep 04 04:54:05.064 INFO kablam!     Checking rust-mpfr v0.1.7 (file:///source)
Sep 04 04:54:05.996 INFO kablam! warning: unused arithmetic operation which must be used
Sep 04 04:54:05.996 INFO kablam!   --> src/test.rs:42:5
Sep 04 04:54:05.996 INFO kablam!    |
Sep 04 04:54:05.996 INFO kablam! 42 |     x / y;
Sep 04 04:54:05.996 INFO kablam!    |     ^^^^^
Sep 04 04:54:05.996 INFO kablam!    |
Sep 04 04:54:05.996 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Sep 04 04:54:05.996 INFO kablam! 
Sep 04 04:54:06.024 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 0.97s
Sep 04 04:54:06.028 INFO kablam! su: No module specific data is present
Sep 04 04:54:06.421 INFO running `"docker" "rm" "-f" "ca26a0623f6e61e0c53c645fd3e7952e96d29713cdb9d2c08bc43918489a75ba"`
Sep 04 04:54:06.535 INFO blam! ca26a0623f6e61e0c53c645fd3e7952e96d29713cdb9d2c08bc43918489a75ba