Dec 05 05:43:03.885 INFO testing suttung3r/rustechoserver against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 05:43:03.885 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-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 05 05:43:04.432 INFO [stdout] 2fc0a0b895002fdd275be0d936b79b55b0f69b11f52724f3d1ec36957790f874
Dec 05 05:43:04.434 INFO running `"docker" "start" "-a" "2fc0a0b895002fdd275be0d936b79b55b0f69b11f52724f3d1ec36957790f874"`
Dec 05 05:43:05.342 INFO [stderr] usermod: no changes
Dec 05 05:43:05.416 INFO [stderr]    Compiling socket_test v0.1.0 (/source)
Dec 05 05:43:05.691 INFO [stderr] warning: unused variable: `res`
Dec 05 05:43:05.691 INFO [stderr]   --> src/main.rs:42:14
Dec 05 05:43:05.691 INFO [stderr]    |
Dec 05 05:43:05.691 INFO [stderr] 42 |           Ok(res) => {}
Dec 05 05:43:05.691 INFO [stderr]    |              ^^^ help: consider using `_res` instead
Dec 05 05:43:05.691 INFO [stderr]    |
Dec 05 05:43:05.691 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 05:43:05.691 INFO [stderr] 
Dec 05 05:43:06.240 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
Dec 05 05:43:06.240 INFO [stderr] su: No module specific data is present
Dec 05 05:43:06.896 INFO running `"docker" "inspect" "2fc0a0b895002fdd275be0d936b79b55b0f69b11f52724f3d1ec36957790f874"`
Dec 05 05:43:07.166 INFO running `"docker" "rm" "-f" "2fc0a0b895002fdd275be0d936b79b55b0f69b11f52724f3d1ec36957790f874"`
Dec 05 05:43:07.448 INFO [stdout] 2fc0a0b895002fdd275be0d936b79b55b0f69b11f52724f3d1ec36957790f874
Dec 05 05:43:07.450 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-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 05 05:43:07.858 INFO [stdout] 6baa3abb3cf85864ade9520d729e84b768a283d140cd9f7a0dda394c4ddd83e3
Dec 05 05:43:07.860 INFO running `"docker" "start" "-a" "6baa3abb3cf85864ade9520d729e84b768a283d140cd9f7a0dda394c4ddd83e3"`
Dec 05 05:43:08.928 INFO [stderr] usermod: no changes
Dec 05 05:43:08.992 INFO [stderr]    Compiling socket_test v0.1.0 (/source)
Dec 05 05:43:09.268 INFO [stderr] warning: unused variable: `res`
Dec 05 05:43:09.268 INFO [stderr]   --> src/main.rs:42:14
Dec 05 05:43:09.268 INFO [stderr]    |
Dec 05 05:43:09.268 INFO [stderr] 42 |           Ok(res) => {}
Dec 05 05:43:09.268 INFO [stderr]    |              ^^^ help: consider using `_res` instead
Dec 05 05:43:09.268 INFO [stderr]    |
Dec 05 05:43:09.268 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 05:43:09.268 INFO [stderr] 
Dec 05 05:43:09.584 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.61s
Dec 05 05:43:09.592 INFO [stderr] su: No module specific data is present
Dec 05 05:43:10.185 INFO running `"docker" "inspect" "6baa3abb3cf85864ade9520d729e84b768a283d140cd9f7a0dda394c4ddd83e3"`
Dec 05 05:43:10.484 INFO running `"docker" "rm" "-f" "6baa3abb3cf85864ade9520d729e84b768a283d140cd9f7a0dda394c4ddd83e3"`
Dec 05 05:43:10.832 INFO [stdout] 6baa3abb3cf85864ade9520d729e84b768a283d140cd9f7a0dda394c4ddd83e3
Dec 05 05:43:10.838 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/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 +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-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 05 05:43:11.246 INFO [stdout] c0f6e665b76ef614dde734319fb471280c5756f0cd154b4f9f1437657482a344
Dec 05 05:43:11.254 INFO running `"docker" "start" "-a" "c0f6e665b76ef614dde734319fb471280c5756f0cd154b4f9f1437657482a344"`
Dec 05 05:43:12.648 INFO [stderr] usermod: no changes
Dec 05 05:43:12.704 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.02s
Dec 05 05:43:12.704 INFO [stderr]      Running /target/debug/deps/socket_test-fc0d84ccc4479fd9
Dec 05 05:43:12.717 INFO [stdout] 
Dec 05 05:43:12.717 INFO [stdout] running 0 tests
Dec 05 05:43:12.717 INFO [stdout] 
Dec 05 05:43:12.717 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 05 05:43:12.717 INFO [stdout] 
Dec 05 05:43:12.724 INFO [stderr] su: No module specific data is present
Dec 05 05:43:13.643 INFO running `"docker" "inspect" "c0f6e665b76ef614dde734319fb471280c5756f0cd154b4f9f1437657482a344"`
Dec 05 05:43:13.954 INFO running `"docker" "rm" "-f" "c0f6e665b76ef614dde734319fb471280c5756f0cd154b4f9f1437657482a344"`
Dec 05 05:43:14.300 INFO [stdout] c0f6e665b76ef614dde734319fb471280c5756f0cd154b4f9f1437657482a344