Dec 11 08:29:57.100 INFO checking suttung3r/rustechoserver against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 11 08:29:57.100 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-3/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/pr-56677/master#3a75e80557a103497cffbcab395a2f37061a77ea:/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 +3a75e80557a103497cffbcab395a2f37061a77ea-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 08:29:57.552 INFO [stdout] fc4c513c9010b74f8f4efadc5eb75fc22c0c2590735dddcc52a691342e3e0c80
Dec 11 08:29:57.560 INFO running `"docker" "start" "-a" "fc4c513c9010b74f8f4efadc5eb75fc22c0c2590735dddcc52a691342e3e0c80"`
Dec 11 08:29:58.878 INFO [stderr] usermod: no changes
Dec 11 08:29:58.915 INFO [stderr]     Checking socket_test v0.1.0 (/source)
Dec 11 08:29:59.101 INFO [stderr] warning: unused variable: `res`
Dec 11 08:29:59.101 INFO [stderr]   --> src/main.rs:42:14
Dec 11 08:29:59.101 INFO [stderr]    |
Dec 11 08:29:59.101 INFO [stderr] 42 |           Ok(res) => {}
Dec 11 08:29:59.101 INFO [stderr]    |              ^^^ help: consider using `_res` instead
Dec 11 08:29:59.101 INFO [stderr]    |
Dec 11 08:29:59.101 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:29:59.101 INFO [stderr] 
Dec 11 08:29:59.264 INFO [stderr] warning: unused variable: `res`
Dec 11 08:29:59.264 INFO [stderr]   --> src/main.rs:42:14
Dec 11 08:29:59.264 INFO [stderr]    |
Dec 11 08:29:59.264 INFO [stderr] 42 |           Ok(res) => {}
Dec 11 08:29:59.264 INFO [stderr]    |              ^^^ help: consider using `_res` instead
Dec 11 08:29:59.264 INFO [stderr]    |
Dec 11 08:29:59.264 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:29:59.264 INFO [stderr] 
Dec 11 08:29:59.328 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.42s
Dec 11 08:29:59.328 INFO [stderr] su: No module specific data is present
Dec 11 08:30:00.072 INFO running `"docker" "inspect" "fc4c513c9010b74f8f4efadc5eb75fc22c0c2590735dddcc52a691342e3e0c80"`
Dec 11 08:30:00.444 INFO running `"docker" "rm" "-f" "fc4c513c9010b74f8f4efadc5eb75fc22c0c2590735dddcc52a691342e3e0c80"`
Dec 11 08:30:00.728 INFO [stdout] fc4c513c9010b74f8f4efadc5eb75fc22c0c2590735dddcc52a691342e3e0c80