Dec 18 11:46:54.660 INFO checking rust-mpfr-0.1.7 against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 18 11:46:54.660 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-3/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/try#0b8c5828f68d7b2840b81fa51239346dc97fef5a/reg/rust-mpfr/0.1.7:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+0b8c5828f68d7b2840b81fa51239346dc97fef5a-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 11:46:54.829 INFO [stdout] ea471220d5cf13b4d251fa37fa090099313aac2796aa394093439059bda2fd8f
Dec 18 11:46:54.831 INFO running `"docker" "start" "-a" "ea471220d5cf13b4d251fa37fa090099313aac2796aa394093439059bda2fd8f"`
Dec 18 11:46:55.559 INFO [stderr]     Checking rust-gmp v0.3.2
Dec 18 11:46:56.028 INFO [stderr]     Checking rust-mpfr v0.1.7 (/opt/crater/workdir)
Dec 18 11:46:56.600 INFO [stderr] warning: unused arithmetic operation that must be used
Dec 18 11:46:56.600 INFO [stderr]   --> src/test.rs:42:5
Dec 18 11:46:56.600 INFO [stderr]    |
Dec 18 11:46:56.600 INFO [stderr] 42 |     x / y;
Dec 18 11:46:56.600 INFO [stderr]    |     ^^^^^
Dec 18 11:46:56.600 INFO [stderr]    |
Dec 18 11:46:56.600 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 18 11:46:56.600 INFO [stderr] 
Dec 18 11:46:56.627 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.08s
Dec 18 11:46:56.982 INFO running `"docker" "inspect" "ea471220d5cf13b4d251fa37fa090099313aac2796aa394093439059bda2fd8f"`
Dec 18 11:46:57.206 INFO running `"docker" "rm" "-f" "ea471220d5cf13b4d251fa37fa090099313aac2796aa394093439059bda2fd8f"`
Dec 18 11:46:57.440 INFO [stdout] ea471220d5cf13b4d251fa37fa090099313aac2796aa394093439059bda2fd8f