Dec 18 07:56:34.272 INFO checking DewarM/udp-example against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 18 07:56:34.272 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-4/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/DewarM/udp-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+96d1334e567237b1507cd277938e7ae2de75ff51-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 18 07:56:34.511 INFO [stdout] 7b4bb002e0bc3d9da21a20e3d9a5646db90c5862bc115039e8d858e46901766b
Dec 18 07:56:34.514 INFO running `"docker" "start" "-a" "7b4bb002e0bc3d9da21a20e3d9a5646db90c5862bc115039e8d858e46901766b"`
Dec 18 07:56:35.060 INFO [stderr]     Checking udp-expt v0.1.0 (/opt/crater/workdir)
Dec 18 07:56:35.273 INFO [stderr] warning: unused variable: `i`
Dec 18 07:56:35.273 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 18 07:56:35.273 INFO [stderr]    |
Dec 18 07:56:35.273 INFO [stderr] 15 |         for i in 0..len {
Dec 18 07:56:35.273 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 18 07:56:35.273 INFO [stderr]    |
Dec 18 07:56:35.273 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:56:35.273 INFO [stderr] 
Dec 18 07:56:35.296 INFO [stderr] warning: method is never used: `write_to`
Dec 18 07:56:35.296 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 18 07:56:35.296 INFO [stderr]    |
Dec 18 07:56:35.296 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 18 07:56:35.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:35.296 INFO [stderr]    |
Dec 18 07:56:35.296 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:56:35.296 INFO [stderr] 
Dec 18 07:56:35.296 INFO [stderr] warning: method is never used: `write_to`
Dec 18 07:56:35.296 INFO [stderr]   --> src/packet/state.rs:21:5
Dec 18 07:56:35.296 INFO [stderr]    |
Dec 18 07:56:35.296 INFO [stderr] 21 |     pub fn write_to(&mut self, buf: &mut Buffer<u8>) {
Dec 18 07:56:35.296 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:35.296 INFO [stderr] 
Dec 18 07:56:35.332 INFO [stderr] warning: unused variable: `i`
Dec 18 07:56:35.332 INFO [stderr]   --> src/packet/state.rs:15:13
Dec 18 07:56:35.332 INFO [stderr]    |
Dec 18 07:56:35.332 INFO [stderr] 15 |         for i in 0..len {
Dec 18 07:56:35.332 INFO [stderr]    |             ^ help: consider using `_i` instead
Dec 18 07:56:35.332 INFO [stderr]    |
Dec 18 07:56:35.332 INFO [stderr]    = note: #[warn(unused_variables)] on by default
Dec 18 07:56:35.332 INFO [stderr] 
Dec 18 07:56:35.350 INFO [stderr] warning: method is never used: `write_to`
Dec 18 07:56:35.350 INFO [stderr]   --> src/packet/position.rs:14:5
Dec 18 07:56:35.350 INFO [stderr]    |
Dec 18 07:56:35.350 INFO [stderr] 14 |     pub fn write_to(&self, buf: &mut Buffer<u8>) {
Dec 18 07:56:35.350 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 18 07:56:35.350 INFO [stderr]    |
Dec 18 07:56:35.350 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 18 07:56:35.350 INFO [stderr] 
Dec 18 07:56:35.384 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.33s
Dec 18 07:56:35.798 INFO running `"docker" "inspect" "7b4bb002e0bc3d9da21a20e3d9a5646db90c5862bc115039e8d858e46901766b"`
Dec 18 07:56:36.006 INFO running `"docker" "rm" "-f" "7b4bb002e0bc3d9da21a20e3d9a5646db90c5862bc115039e8d858e46901766b"`
Dec 18 07:56:36.244 INFO [stdout] 7b4bb002e0bc3d9da21a20e3d9a5646db90c5862bc115039e8d858e46901766b