Dec 11 08:29:55.653 INFO checking suttung3r/rustechoserver against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 11 08:29:55.653 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-1/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/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 08:29:56.174 INFO [stdout] 95e55697ae4334493b8d1e45f47139cc813962d12882315611f7db119bb5c8c3
Dec 11 08:29:56.176 INFO running `"docker" "start" "-a" "95e55697ae4334493b8d1e45f47139cc813962d12882315611f7db119bb5c8c3"`
Dec 11 08:29:57.334 INFO [stderr] usermod: no changes
Dec 11 08:29:57.376 INFO [stderr]     Checking socket_test v0.1.0 (/source)
Dec 11 08:29:57.768 INFO [stderr] warning: unused variable: `res`
Dec 11 08:29:57.768 INFO [stderr]   --> src/main.rs:42:14
Dec 11 08:29:57.768 INFO [stderr]    |
Dec 11 08:29:57.768 INFO [stderr] 42 |           Ok(res) => {}
Dec 11 08:29:57.768 INFO [stderr]    |              ^^^ help: consider using `_res` instead
Dec 11 08:29:57.780 INFO [stderr]    |
Dec 11 08:29:57.780 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:29:57.780 INFO [stderr] 
Dec 11 08:29:57.823 INFO [stderr] warning: unused variable: `res`
Dec 11 08:29:57.823 INFO [stderr]   --> src/main.rs:42:14
Dec 11 08:29:57.823 INFO [stderr]    |
Dec 11 08:29:57.823 INFO [stderr] 42 |           Ok(res) => {}
Dec 11 08:29:57.823 INFO [stderr]    |              ^^^ help: consider using `_res` instead
Dec 11 08:29:57.823 INFO [stderr]    |
Dec 11 08:29:57.823 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 11 08:29:57.823 INFO [stderr] 
Dec 11 08:29:57.856 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.50s
Dec 11 08:29:57.862 INFO [stderr] su: No module specific data is present
Dec 11 08:29:58.703 INFO running `"docker" "inspect" "95e55697ae4334493b8d1e45f47139cc813962d12882315611f7db119bb5c8c3"`
Dec 11 08:29:59.112 INFO running `"docker" "rm" "-f" "95e55697ae4334493b8d1e45f47139cc813962d12882315611f7db119bb5c8c3"`
Dec 11 08:29:59.420 INFO [stdout] 95e55697ae4334493b8d1e45f47139cc813962d12882315611f7db119bb5c8c3