[INFO] updating cached repository ButteryCrumpet/netcode-exploration
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/ButteryCrumpet/netcode-exploration
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/ButteryCrumpet/netcode-exploration" "work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ButteryCrumpet/netcode-exploration"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ButteryCrumpet/netcode-exploration'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/ButteryCrumpet/netcode-exploration" "work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ButteryCrumpet/netcode-exploration"`
[INFO] [stderr] Cloning into 'work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ButteryCrumpet/netcode-exploration'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] e96749673a67d80bb541463213857fce4801124b
[INFO] sha for GitHub repo ButteryCrumpet/netcode-exploration: e96749673a67d80bb541463213857fce4801124b
[INFO] validating manifest of ButteryCrumpet/netcode-exploration on toolchain master#a850a426491e14186af2250549bf41256b5938d2
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of ButteryCrumpet/netcode-exploration on toolchain try#06a150c7d11500b41499224f165e9de1de096768
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing ButteryCrumpet/netcode-exploration
[INFO] finished frobbing ButteryCrumpet/netcode-exploration
[INFO] frobbed toml for ButteryCrumpet/netcode-exploration written to work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ButteryCrumpet/netcode-exploration/Cargo.toml
[INFO] started frobbing ButteryCrumpet/netcode-exploration
[INFO] finished frobbing ButteryCrumpet/netcode-exploration
[INFO] frobbed toml for ButteryCrumpet/netcode-exploration written to work/ex/pr-60162/sources/try#06a150c7d11500b41499224f165e9de1de096768/gh/ButteryCrumpet/netcode-exploration/Cargo.toml
[INFO] crate ButteryCrumpet/netcode-exploration already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+a850a426491e14186af2250549bf41256b5938d2-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+06a150c7d11500b41499224f165e9de1de096768-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking ButteryCrumpet/netcode-exploration against master#a850a426491e14186af2250549bf41256b5938d2 for pr-60162
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-60162/worker-2/master#a850a426491e14186af2250549bf41256b5938d2:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-60162/sources/master#a850a426491e14186af2250549bf41256b5938d2/gh/ButteryCrumpet/netcode-exploration:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+a850a426491e14186af2250549bf41256b5938d2-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] a1fec36329fcc2b99a1c6ff21791adbc63b68b05e6f890219c2ef52cbb4a11eb
[INFO] running `"docker" "start" "-a" "a1fec36329fcc2b99a1c6ff21791adbc63b68b05e6f890219c2ef52cbb4a11eb"`
[INFO] [stderr]     Checking networking v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: field is never used: `local_addr`
[INFO] [stderr]   --> src/connection.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     local_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/server.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn read(&mut self) -> Poll<(Vec<u8>, SocketAddr), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             client.recv();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `local_addr`
[INFO] [stderr]   --> src/connection.rs:22:5
[INFO] [stderr]    |
[INFO] [stderr] 22 |     local_addr: SocketAddr,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `read`
[INFO] [stderr]   --> src/server.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn read(&mut self) -> Poll<(Vec<u8>, SocketAddr), io::Error> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:13
[INFO] [stderr]    |
[INFO] [stderr] 31 |             client.recv();
[INFO] [stderr]    |             ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.21s
[INFO] running `"docker" "inspect" "a1fec36329fcc2b99a1c6ff21791adbc63b68b05e6f890219c2ef52cbb4a11eb"`
[INFO] running `"docker" "rm" "-f" "a1fec36329fcc2b99a1c6ff21791adbc63b68b05e6f890219c2ef52cbb4a11eb"`
[INFO] [stdout] a1fec36329fcc2b99a1c6ff21791adbc63b68b05e6f890219c2ef52cbb4a11eb