Dec 05 02:49:47.576 INFO checking DewarM/udp-example against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 05 02:49:47.576 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-3/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-3/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 05 02:49:48.007 INFO [stdout] 7bc65028f7112ed3fa16b78054c435a6c9ea82fd78f91b77390e630ff076fde7
Dec 05 02:49:48.007 INFO running `"docker" "start" "-a" "7bc65028f7112ed3fa16b78054c435a6c9ea82fd78f91b77390e630ff076fde7"`
Dec 05 02:49:48.803 INFO [stderr] usermod: no changes
Dec 05 02:49:48.833 INFO [stderr]     Checking udp-expt v0.1.0 (/source)
Dec 05 02:49:49.216 INFO [stderr] warning: unused variable: `i`
Dec 05 02:49:49.216 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 05 02:49:49.216 INFO [stderr]    |
Dec 05 02:49:49.216 INFO [stderr] 15 |         for i in 0..len {
Dec 05 02:49:49.216 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 02:49:49.216 INFO [stderr]    |
Dec 05 02:49:49.216 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:49:49.216 INFO [stderr] 
Dec 05 02:49:49.223 INFO [stderr] warning: method is never used: `write_to`
Dec 05 02:49:49.223 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 05 02:49:49.223 INFO [stderr]    |
Dec 05 02:49:49.223 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 05 02:49:49.223 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:49.223 INFO [stderr]    |
Dec 05 02:49:49.223 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:49:49.223 INFO [stderr] 
Dec 05 02:49:49.223 INFO [stderr] warning: method is never used: `write_to`
Dec 05 02:49:49.223 INFO [stderr]   --> src/packet/state.rs:21:5
Dec 05 02:49:49.223 INFO [stderr]    |
Dec 05 02:49:49.223 INFO [stderr] 21 |     pub fn write_to(&mut self, buf: &mut Buffer<u8>) {
Dec 05 02:49:49.223 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:49.223 INFO [stderr] 
Dec 05 02:49:49.262 INFO [stderr] warning: unused variable: `i`
Dec 05 02:49:49.262 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 05 02:49:49.262 INFO [stderr]    |
Dec 05 02:49:49.262 INFO [stderr] 15 |         for i in 0..len {
Dec 05 02:49:49.262 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 02:49:49.262 INFO [stderr]    |
Dec 05 02:49:49.262 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:49:49.262 INFO [stderr] 
Dec 05 02:49:49.280 INFO [stderr] warning: method is never used: `write_to`
Dec 05 02:49:49.280 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 05 02:49:49.280 INFO [stderr]    |
Dec 05 02:49:49.280 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 05 02:49:49.280 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:49.280 INFO [stderr]    |
Dec 05 02:49:49.280 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:49:49.280 INFO [stderr] 
Dec 05 02:49:49.292 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.47s
Dec 05 02:49:49.293 INFO [stderr] su: No module specific data is present
Dec 05 02:49:49.664 INFO running `"docker" "inspect" "7bc65028f7112ed3fa16b78054c435a6c9ea82fd78f91b77390e630ff076fde7"`
Dec 05 02:49:49.951 INFO running `"docker" "rm" "-f" "7bc65028f7112ed3fa16b78054c435a6c9ea82fd78f91b77390e630ff076fde7"`
Dec 05 02:49:50.291 INFO [stdout] 7bc65028f7112ed3fa16b78054c435a6c9ea82fd78f91b77390e630ff076fde7