Dec 05 02:49:43.416 INFO checking DewarM/udp-example against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 05 02:49:43.417 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-0/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-0/pr-56481/try#1df97983eb2057dc6a8f7eb364e263b51ae23230:/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 +1df97983eb2057dc6a8f7eb364e263b51ae23230-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 02:49:43.864 INFO [stdout] 6a6fcb25c98a4326d0e6b9abe899f2bbbc97593bccfe26498f20b82cd209a7aa
Dec 05 02:49:43.866 INFO running `"docker" "start" "-a" "6a6fcb25c98a4326d0e6b9abe899f2bbbc97593bccfe26498f20b82cd209a7aa"`
Dec 05 02:49:45.063 INFO [stderr] usermod: no changes
Dec 05 02:49:45.159 INFO [stderr]     Checking udp-expt v0.1.0 (/source)
Dec 05 02:49:46.000 INFO [stderr] warning: unused variable: `i`
Dec 05 02:49:46.000 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 05 02:49:46.000 INFO [stderr]    |
Dec 05 02:49:46.000 INFO [stderr] 15 |         for i in 0..len {
Dec 05 02:49:46.000 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 02:49:46.000 INFO [stderr]    |
Dec 05 02:49:46.000 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:49:46.000 INFO [stderr] 
Dec 05 02:49:46.009 INFO [stderr] warning: method is never used: `write_to`
Dec 05 02:49:46.009 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 05 02:49:46.009 INFO [stderr]    |
Dec 05 02:49:46.009 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 05 02:49:46.009 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:46.009 INFO [stderr]    |
Dec 05 02:49:46.010 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:49:46.010 INFO [stderr] 
Dec 05 02:49:46.010 INFO [stderr] warning: method is never used: `write_to`
Dec 05 02:49:46.010 INFO [stderr]   --> src/packet/state.rs:21:5
Dec 05 02:49:46.010 INFO [stderr]    |
Dec 05 02:49:46.010 INFO [stderr] 21 |     pub fn write_to(&mut self, buf: &mut Buffer<u8>) {
Dec 05 02:49:46.010 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:46.010 INFO [stderr] 
Dec 05 02:49:46.134 INFO [stderr] warning: unused variable: `i`
Dec 05 02:49:46.135 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 05 02:49:46.135 INFO [stderr]    |
Dec 05 02:49:46.135 INFO [stderr] 15 |         for i in 0..len {
Dec 05 02:49:46.136 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 05 02:49:46.136 INFO [stderr]    |
Dec 05 02:49:46.136 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 05 02:49:46.136 INFO [stderr] 
Dec 05 02:49:46.173 INFO [stderr] warning: method is never used: `write_to`
Dec 05 02:49:46.173 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 05 02:49:46.173 INFO [stderr]    |
Dec 05 02:49:46.174 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 05 02:49:46.174 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 02:49:46.174 INFO [stderr]    |
Dec 05 02:49:46.174 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 05 02:49:46.175 INFO [stderr] 
Dec 05 02:49:46.215 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.11s
Dec 05 02:49:46.217 INFO [stderr] su: No module specific data is present
Dec 05 02:49:46.983 INFO running `"docker" "inspect" "6a6fcb25c98a4326d0e6b9abe899f2bbbc97593bccfe26498f20b82cd209a7aa"`
Dec 05 02:49:47.303 INFO running `"docker" "rm" "-f" "6a6fcb25c98a4326d0e6b9abe899f2bbbc97593bccfe26498f20b82cd209a7aa"`
Dec 05 02:49:47.606 INFO [stdout] 6a6fcb25c98a4326d0e6b9abe899f2bbbc97593bccfe26498f20b82cd209a7aa