Dec 11 17:37:39.636 INFO checking hamadakafu/rust_client against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 17:37:39.636 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-4/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56677/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/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 +aa9aa79c3c583aab59ac9134542d60a780c35e2e-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 11 17:37:40.196 INFO [stdout] 95fb1d761aafedea89630576b06a047e13e09a444a1658c9189faddaa613fe28
Dec 11 17:37:40.198 INFO running `"docker" "start" "-a" "95fb1d761aafedea89630576b06a047e13e09a444a1658c9189faddaa613fe28"`
Dec 11 17:37:41.175 INFO [stderr] usermod: no changes
Dec 11 17:37:41.216 INFO [stderr]     Checking rust_client v0.1.0 (/source)
Dec 11 17:37:41.806 INFO [stderr] warning: unused variable: `buf`
Dec 11 17:37:41.806 INFO [stderr]   --> src/main.rs:10:7
Dec 11 17:37:41.806 INFO [stderr]    |
Dec 11 17:37:41.806 INFO [stderr] 10 |   let buf = String::new();
Dec 11 17:37:41.806 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 11 17:37:41.806 INFO [stderr]    |
Dec 11 17:37:41.806 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:37:41.806 INFO [stderr] 
Dec 11 17:37:41.897 INFO [stderr] warning: unused variable: `buf`
Dec 11 17:37:41.897 INFO [stderr]   --> src/main.rs:10:7
Dec 11 17:37:41.898 INFO [stderr]    |
Dec 11 17:37:41.898 INFO [stderr] 10 |   let buf = String::new();
Dec 11 17:37:41.898 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 11 17:37:41.898 INFO [stderr]    |
Dec 11 17:37:41.898 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 17:37:41.898 INFO [stderr] 
Dec 11 17:37:41.924 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.72s
Dec 11 17:37:41.924 INFO [stderr] su: No module specific data is present
Dec 11 17:37:42.523 INFO running `"docker" "inspect" "95fb1d761aafedea89630576b06a047e13e09a444a1658c9189faddaa613fe28"`
Dec 11 17:37:42.842 INFO running `"docker" "rm" "-f" "95fb1d761aafedea89630576b06a047e13e09a444a1658c9189faddaa613fe28"`
Dec 11 17:37:43.184 INFO [stdout] 95fb1d761aafedea89630576b06a047e13e09a444a1658c9189faddaa613fe28