Dec 12 01:55:24.206 INFO checking Kriegslustig/ping-pong-rs against master#3a75e80557a103497cffbcab395a2f37061a77ea for pr-56677
Dec 12 01:55:24.206 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-5/master#3a75e80557a103497cffbcab395a2f37061a77ea:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-5/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 12 01:55:24.747 INFO [stdout] 311d42c14573062822663596be9937146ea6973c7398163228ff2038f1db34df
Dec 12 01:55:24.750 INFO running `"docker" "start" "-a" "311d42c14573062822663596be9937146ea6973c7398163228ff2038f1db34df"`
Dec 12 01:55:26.080 INFO [stderr] usermod: no changes
Dec 12 01:55:26.140 INFO [stderr]     Checking ping-pong v0.1.0 (/source)
Dec 12 01:55:26.916 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:55:26.916 INFO [stderr]    --> src/main.rs:152:17
Dec 12 01:55:26.916 INFO [stderr]     |
Dec 12 01:55:26.916 INFO [stderr] 152 |                 socket.send(&bye);
Dec 12 01:55:26.916 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 01:55:26.916 INFO [stderr]     |
Dec 12 01:55:26.916 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 01:55:26.916 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:55:26.916 INFO [stderr] 
Dec 12 01:55:27.188 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 12 01:55:27.188 INFO [stderr]    --> src/main.rs:152:17
Dec 12 01:55:27.188 INFO [stderr]     |
Dec 12 01:55:27.188 INFO [stderr] 152 |                 socket.send(&bye);
Dec 12 01:55:27.188 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^
Dec 12 01:55:27.188 INFO [stderr]     |
Dec 12 01:55:27.188 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 12 01:55:27.188 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 12 01:55:27.188 INFO [stderr] 
Dec 12 01:55:27.188 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.09s
Dec 12 01:55:27.192 INFO [stderr] su: No module specific data is present
Dec 12 01:55:27.878 INFO running `"docker" "inspect" "311d42c14573062822663596be9937146ea6973c7398163228ff2038f1db34df"`
Dec 12 01:55:28.264 INFO running `"docker" "rm" "-f" "311d42c14573062822663596be9937146ea6973c7398163228ff2038f1db34df"`
Dec 12 01:55:28.504 INFO [stdout] 311d42c14573062822663596be9937146ea6973c7398163228ff2038f1db34df