Dec 12 03:10:15.661 INFO checking DewarM/udp-example against try#aa9aa79c3c583aab59ac9134542d60a780c35e2e for pr-56677
Dec 12 03:10:15.661 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56677/worker-7/try#aa9aa79c3c583aab59ac9134542d60a780c35e2e:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/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 12 03:10:15.999 INFO [stdout] ea03eec10561c41bff8da6403ad436506be55678092fae70ffd621a88bb578d3
Dec 12 03:10:16.006 INFO running `"docker" "start" "-a" "ea03eec10561c41bff8da6403ad436506be55678092fae70ffd621a88bb578d3"`
Dec 12 03:10:17.180 INFO [stderr] usermod: no changes
Dec 12 03:10:17.228 INFO [stderr]     Checking udp-expt v0.1.0 (/source)
Dec 12 03:10:18.105 INFO [stderr] warning: unused variable: `i`
Dec 12 03:10:18.105 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 12 03:10:18.105 INFO [stderr]    |
Dec 12 03:10:18.105 INFO [stderr] 15 |         for i in 0..len {
Dec 12 03:10:18.105 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 12 03:10:18.105 INFO [stderr]    |
Dec 12 03:10:18.105 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:10:18.105 INFO [stderr] 
Dec 12 03:10:18.120 INFO [stderr] warning: method is never used: `write_to`
Dec 12 03:10:18.120 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 12 03:10:18.120 INFO [stderr]    |
Dec 12 03:10:18.120 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 12 03:10:18.120 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:10:18.120 INFO [stderr]    |
Dec 12 03:10:18.120 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:10:18.120 INFO [stderr] 
Dec 12 03:10:18.120 INFO [stderr] warning: method is never used: `write_to`
Dec 12 03:10:18.121 INFO [stderr]   --> src/packet/state.rs:21:5
Dec 12 03:10:18.121 INFO [stderr]    |
Dec 12 03:10:18.121 INFO [stderr] 21 |     pub fn write_to(&mut self, buf: &mut Buffer<u8>) {
Dec 12 03:10:18.121 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:10:18.121 INFO [stderr] 
Dec 12 03:10:18.266 INFO [stderr] warning: unused variable: `i`
Dec 12 03:10:18.266 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 12 03:10:18.266 INFO [stderr]    |
Dec 12 03:10:18.266 INFO [stderr] 15 |         for i in 0..len {
Dec 12 03:10:18.266 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 12 03:10:18.266 INFO [stderr]    |
Dec 12 03:10:18.266 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 12 03:10:18.266 INFO [stderr] 
Dec 12 03:10:18.283 INFO [stderr] warning: method is never used: `write_to`
Dec 12 03:10:18.283 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 12 03:10:18.283 INFO [stderr]    |
Dec 12 03:10:18.283 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 12 03:10:18.283 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 12 03:10:18.283 INFO [stderr]    |
Dec 12 03:10:18.283 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 12 03:10:18.283 INFO [stderr] 
Dec 12 03:10:18.309 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.10s
Dec 12 03:10:18.312 INFO [stderr] su: No module specific data is present
Dec 12 03:10:18.908 INFO running `"docker" "inspect" "ea03eec10561c41bff8da6403ad436506be55678092fae70ffd621a88bb578d3"`
Dec 12 03:10:19.210 INFO running `"docker" "rm" "-f" "ea03eec10561c41bff8da6403ad436506be55678092fae70ffd621a88bb578d3"`
Dec 12 03:10:19.536 INFO [stdout] ea03eec10561c41bff8da6403ad436506be55678092fae70ffd621a88bb578d3