Dec 17 23:27:09.445 INFO checking hamadakafu/rust_client against try#0b8c5828f68d7b2840b81fa51239346dc97fef5a for pr-54252
Dec 17 23:27:09.445 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/gh/hamadakafu/rust_client:/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 17 23:27:09.905 INFO [stdout] f815a2730bf206b80dd76bcefab039f790251cdc3e505c939f393e3d5288644f
Dec 17 23:27:09.908 INFO running `"docker" "start" "-a" "f815a2730bf206b80dd76bcefab039f790251cdc3e505c939f393e3d5288644f"`
Dec 17 23:27:10.899 INFO [stderr]     Checking rust_client v0.1.0 (/opt/crater/workdir)
Dec 17 23:27:11.104 INFO [stderr] warning: unused variable: `buf`
Dec 17 23:27:11.104 INFO [stderr]   --> src/main.rs:10:7
Dec 17 23:27:11.104 INFO [stderr]    |
Dec 17 23:27:11.104 INFO [stderr] 10 |   let buf = String::new();
Dec 17 23:27:11.104 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 17 23:27:11.104 INFO [stderr]    |
Dec 17 23:27:11.104 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:27:11.104 INFO [stderr] 
Dec 17 23:27:11.184 INFO [stderr] warning: unused variable: `buf`
Dec 17 23:27:11.184 INFO [stderr]   --> src/main.rs:10:7
Dec 17 23:27:11.184 INFO [stderr]    |
Dec 17 23:27:11.184 INFO [stderr] 10 |   let buf = String::new();
Dec 17 23:27:11.184 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 17 23:27:11.184 INFO [stderr]    |
Dec 17 23:27:11.184 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 17 23:27:11.184 INFO [stderr] 
Dec 17 23:27:11.222 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.34s
Dec 17 23:27:11.595 INFO running `"docker" "inspect" "f815a2730bf206b80dd76bcefab039f790251cdc3e505c939f393e3d5288644f"`
Dec 17 23:27:11.748 INFO running `"docker" "rm" "-f" "f815a2730bf206b80dd76bcefab039f790251cdc3e505c939f393e3d5288644f"`
Dec 17 23:27:12.080 INFO [stdout] f815a2730bf206b80dd76bcefab039f790251cdc3e505c939f393e3d5288644f