Dec 04 17:51:26.174 INFO checking hamadakafu/rust_client against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 17:51:26.174 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-1/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 17:51:26.576 INFO [stdout] af66125637c8772b516dea2cdd359c6fe7a6b3fa2db0b631c9e9391ace02bd6a
Dec 04 17:51:26.577 INFO running `"docker" "start" "-a" "af66125637c8772b516dea2cdd359c6fe7a6b3fa2db0b631c9e9391ace02bd6a"`
Dec 04 17:51:27.111 INFO [stderr] usermod: no changes
Dec 04 17:51:27.153 INFO [stderr]     Checking rust_client v0.1.0 (/source)
Dec 04 17:51:27.463 INFO [stderr] warning: unused variable: `buf`
Dec 04 17:51:27.463 INFO [stderr]   --> src/main.rs:10:7
Dec 04 17:51:27.463 INFO [stderr]    |
Dec 04 17:51:27.463 INFO [stderr] 10 |   let buf = String::new();
Dec 04 17:51:27.463 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 04 17:51:27.463 INFO [stderr]    |
Dec 04 17:51:27.463 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:51:27.463 INFO [stderr] 
Dec 04 17:51:27.520 INFO [stderr] warning: unused variable: `buf`
Dec 04 17:51:27.520 INFO [stderr]   --> src/main.rs:10:7
Dec 04 17:51:27.520 INFO [stderr]    |
Dec 04 17:51:27.520 INFO [stderr] 10 |   let buf = String::new();
Dec 04 17:51:27.520 INFO [stderr]    |       ^^^ help: consider using `_buf` instead
Dec 04 17:51:27.520 INFO [stderr]    |
Dec 04 17:51:27.520 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 04 17:51:27.520 INFO [stderr] 
Dec 04 17:51:27.532 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.39s
Dec 04 17:51:27.534 INFO [stderr] su: No module specific data is present
Dec 04 17:51:27.832 INFO running `"docker" "inspect" "af66125637c8772b516dea2cdd359c6fe7a6b3fa2db0b631c9e9391ace02bd6a"`
Dec 04 17:51:27.916 INFO running `"docker" "rm" "-f" "af66125637c8772b516dea2cdd359c6fe7a6b3fa2db0b631c9e9391ace02bd6a"`
Dec 04 17:51:28.026 INFO [stdout] af66125637c8772b516dea2cdd359c6fe7a6b3fa2db0b631c9e9391ace02bd6a