Dec 19 07:21:09.724 INFO checking tgandrews/synacor-rs against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 07:21:09.724 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-5/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/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" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 07:21:10.152 INFO [stdout] 668658ada12ad5adb65d5eae9df3168b8fce60bdc3d80ad8fec3a0aa49757d90
Dec 19 07:21:10.154 INFO running `"docker" "start" "-a" "668658ada12ad5adb65d5eae9df3168b8fce60bdc3d80ad8fec3a0aa49757d90"`
Dec 19 07:21:11.712 INFO [stderr]     Checking synacor-rs v0.1.0 (/opt/crater/workdir)
Dec 19 07:21:12.092 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:21:12.092 INFO [stderr]    --> src/main.rs:221:17
Dec 19 07:21:12.092 INFO [stderr]     |
Dec 19 07:21:12.092 INFO [stderr] 221 |                 stdin.lock().read_line(&mut line);
Dec 19 07:21:12.092 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:21:12.092 INFO [stderr]     |
Dec 19 07:21:12.092 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 07:21:12.092 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:21:12.092 INFO [stderr] 
Dec 19 07:21:12.164 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 07:21:12.164 INFO [stderr]    --> src/main.rs:221:17
Dec 19 07:21:12.164 INFO [stderr]     |
Dec 19 07:21:12.164 INFO [stderr] 221 |                 stdin.lock().read_line(&mut line);
Dec 19 07:21:12.164 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 07:21:12.164 INFO [stderr]     |
Dec 19 07:21:12.164 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 07:21:12.164 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 07:21:12.164 INFO [stderr] 
Dec 19 07:21:12.208 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.59s
Dec 19 07:21:13.008 INFO running `"docker" "inspect" "668658ada12ad5adb65d5eae9df3168b8fce60bdc3d80ad8fec3a0aa49757d90"`
Dec 19 07:21:13.407 INFO running `"docker" "rm" "-f" "668658ada12ad5adb65d5eae9df3168b8fce60bdc3d80ad8fec3a0aa49757d90"`
Dec 19 07:21:13.728 INFO [stdout] 668658ada12ad5adb65d5eae9df3168b8fce60bdc3d80ad8fec3a0aa49757d90