Dec 17 13:51:47.837 INFO checking tgandrews/synacor-rs against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 13:51:47.837 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-6/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/tgandrews/synacor-rs:/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" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 17 13:51:48.244 INFO [stdout] 18fd35a5cee2a4fd775f7c271efef3845fc27da6df93fcc7dc5782fb8941dec9
Dec 17 13:51:48.246 INFO running `"docker" "start" "-a" "18fd35a5cee2a4fd775f7c271efef3845fc27da6df93fcc7dc5782fb8941dec9"`
Dec 17 13:51:50.273 INFO [stderr]     Checking synacor-rs v0.1.0 (/opt/crater/workdir)
Dec 17 13:51:50.540 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:51:50.540 INFO [stderr]    --> src/main.rs:221:17
Dec 17 13:51:50.540 INFO [stderr]     |
Dec 17 13:51:50.540 INFO [stderr] 221 |                 stdin.lock().read_line(&mut line);
Dec 17 13:51:50.540 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:51:50.540 INFO [stderr]     |
Dec 17 13:51:50.540 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 13:51:50.540 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:51:50.540 INFO [stderr] 
Dec 17 13:51:50.596 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 13:51:50.596 INFO [stderr]    --> src/main.rs:221:17
Dec 17 13:51:50.596 INFO [stderr]     |
Dec 17 13:51:50.596 INFO [stderr] 221 |                 stdin.lock().read_line(&mut line);
Dec 17 13:51:50.596 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 13:51:50.596 INFO [stderr]     |
Dec 17 13:51:50.596 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 17 13:51:50.596 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 13:51:50.596 INFO [stderr] 
Dec 17 13:51:50.616 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.41s
Dec 17 13:51:51.466 INFO running `"docker" "inspect" "18fd35a5cee2a4fd775f7c271efef3845fc27da6df93fcc7dc5782fb8941dec9"`
Dec 17 13:51:51.788 INFO running `"docker" "rm" "-f" "18fd35a5cee2a4fd775f7c271efef3845fc27da6df93fcc7dc5782fb8941dec9"`
Dec 17 13:51:52.094 INFO [stdout] 18fd35a5cee2a4fd775f7c271efef3845fc27da6df93fcc7dc5782fb8941dec9