Dec 04 17:51:25.826 INFO checking hamadakafu/rust_client against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 17:51:25.827 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-6/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-6/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +1df97983eb2057dc6a8f7eb364e263b51ae23230-alt check --frozen --all --all-targets" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 04 17:51:26.145 INFO [stdout] 2e2d8f5a13fe7c79250145e1162e872503b259c6f87f5351acc08cb4858e273e
Dec 04 17:51:26.148 INFO running `"docker" "start" "-a" "2e2d8f5a13fe7c79250145e1162e872503b259c6f87f5351acc08cb4858e273e"`
Dec 04 17:51:26.749 INFO [stderr] usermod: no changes
Dec 04 17:51:26.779 INFO [stderr]     Checking rust_client v0.1.0 (/source)
Dec 04 17:51:27.060 INFO [stderr] warning: unused variable: `buf`
Dec 04 17:51:27.060 INFO [stderr]   --> src/main.rs:10:7
Dec 04 17:51:27.060 INFO [stderr]    |
Dec 04 17:51:27.060 INFO [stderr] 10 |   let buf = String::new();
Dec 04 17:51:27.060 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 04 17:51:27.060 INFO [stderr]    |
Dec 04 17:51:27.060 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:51:27.060 INFO [stderr] 
Dec 04 17:51:27.133 INFO [stderr] warning: unused variable: `buf`
Dec 04 17:51:27.133 INFO [stderr]   --> src/main.rs:10:7
Dec 04 17:51:27.133 INFO [stderr]    |
Dec 04 17:51:27.133 INFO [stderr] 10 |   let buf = String::new();
Dec 04 17:51:27.133 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 04 17:51:27.133 INFO [stderr]    |
Dec 04 17:51:27.133 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:51:27.133 INFO [stderr] 
Dec 04 17:51:27.165 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 04 17:51:27.169 INFO [stderr] su: No module specific data is present
Dec 04 17:51:27.706 INFO running `"docker" "inspect" "2e2d8f5a13fe7c79250145e1162e872503b259c6f87f5351acc08cb4858e273e"`
Dec 04 17:51:27.802 INFO running `"docker" "rm" "-f" "2e2d8f5a13fe7c79250145e1162e872503b259c6f87f5351acc08cb4858e273e"`
Dec 04 17:51:27.910 INFO [stdout] 2e2d8f5a13fe7c79250145e1162e872503b259c6f87f5351acc08cb4858e273e