Dec 17 16:31:55.673 INFO checking rust-gjk/ChatApp against master#96d1334e567237b1507cd277938e7ae2de75ff51 for pr-54252
Dec 17 16:31:55.673 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-54252/worker-0/master#96d1334e567237b1507cd277938e7ae2de75ff51:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-54252/sources/master#96d1334e567237b1507cd277938e7ae2de75ff51/gh/rust-gjk/ChatApp:/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 17 16:31:56.128 INFO [stdout] 8817951c671ab34dde2757ac9a1b92b5ccce3945048edf76bff7dbfc96d61410
Dec 17 16:31:56.134 INFO running `"docker" "start" "-a" "8817951c671ab34dde2757ac9a1b92b5ccce3945048edf76bff7dbfc96d61410"`
Dec 17 16:31:57.300 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 17 16:31:57.300 INFO [stderr]    Compiling syn v0.13.4
Dec 17 16:32:07.711 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 17 16:32:11.168 INFO [stderr]    Compiling serde_derive v1.0.44
Dec 17 16:32:20.664 INFO [stderr]     Checking ChatApp v0.1.0 (/opt/crater/workdir)
Dec 17 16:32:21.704 INFO [stderr] warning: crate `ChatApp` should have a snake case name such as `chat_app`
Dec 17 16:32:21.704 INFO [stderr]   |
Dec 17 16:32:21.704 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 16:32:21.704 INFO [stderr] 
Dec 17 16:32:21.780 INFO [stderr] warning: crate `ChatApp` should have a snake case name such as `chat_app`
Dec 17 16:32:21.780 INFO [stderr]   |
Dec 17 16:32:21.780 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 17 16:32:21.780 INFO [stderr] 
Dec 17 16:32:22.237 INFO [stderr] warning: variable does not need to be mutable
Dec 17 16:32:22.237 INFO [stderr]  --> src/server.rs:4:9
Dec 17 16:32:22.237 INFO [stderr]   |
Dec 17 16:32:22.237 INFO [stderr] 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Dec 17 16:32:22.237 INFO [stderr]   |         ----^^^^^^
Dec 17 16:32:22.237 INFO [stderr]   |         |
Dec 17 16:32:22.237 INFO [stderr]   |         help: remove this `mut`
Dec 17 16:32:22.237 INFO [stderr]   |
Dec 17 16:32:22.237 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 16:32:22.237 INFO [stderr] 
Dec 17 16:32:22.238 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:32:22.238 INFO [stderr]   --> src/client.rs:14:5
Dec 17 16:32:22.238 INFO [stderr]    |
Dec 17 16:32:22.238 INFO [stderr] 14 |     recv_socket.send(b"connected");
Dec 17 16:32:22.238 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:32:22.238 INFO [stderr]    |
Dec 17 16:32:22.238 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 16:32:22.238 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:32:22.238 INFO [stderr] 
Dec 17 16:32:22.238 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:32:22.238 INFO [stderr]   --> src/client.rs:19:6
Dec 17 16:32:22.238 INFO [stderr]    |
Dec 17 16:32:22.238 INFO [stderr] 19 |         send_socket.send(zprava.as_bytes());
Dec 17 16:32:22.238 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:32:22.238 INFO [stderr]    |
Dec 17 16:32:22.238 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:32:22.239 INFO [stderr] 
Dec 17 16:32:22.288 INFO [stderr] warning: variable does not need to be mutable
Dec 17 16:32:22.288 INFO [stderr]  --> src/server.rs:4:9
Dec 17 16:32:22.288 INFO [stderr]   |
Dec 17 16:32:22.288 INFO [stderr] 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Dec 17 16:32:22.288 INFO [stderr]   |         ----^^^^^^
Dec 17 16:32:22.288 INFO [stderr]   |         |
Dec 17 16:32:22.288 INFO [stderr]   |         help: remove this `mut`
Dec 17 16:32:22.288 INFO [stderr]   |
Dec 17 16:32:22.288 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 17 16:32:22.288 INFO [stderr] 
Dec 17 16:32:22.289 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:32:22.289 INFO [stderr]   --> src/client.rs:14:5
Dec 17 16:32:22.289 INFO [stderr]    |
Dec 17 16:32:22.289 INFO [stderr] 14 |     recv_socket.send(b"connected");
Dec 17 16:32:22.289 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:32:22.289 INFO [stderr]    |
Dec 17 16:32:22.289 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 17 16:32:22.289 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:32:22.289 INFO [stderr] 
Dec 17 16:32:22.290 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 17 16:32:22.290 INFO [stderr]   --> src/client.rs:19:6
Dec 17 16:32:22.290 INFO [stderr]    |
Dec 17 16:32:22.290 INFO [stderr] 19 |         send_socket.send(zprava.as_bytes());
Dec 17 16:32:22.290 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 17 16:32:22.290 INFO [stderr]    |
Dec 17 16:32:22.290 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 17 16:32:22.290 INFO [stderr] 
Dec 17 16:32:22.326 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 25.10s
Dec 17 16:32:23.473 INFO running `"docker" "inspect" "8817951c671ab34dde2757ac9a1b92b5ccce3945048edf76bff7dbfc96d61410"`
Dec 17 16:32:23.810 INFO running `"docker" "rm" "-f" "8817951c671ab34dde2757ac9a1b92b5ccce3945048edf76bff7dbfc96d61410"`
Dec 17 16:32:24.148 INFO [stdout] 8817951c671ab34dde2757ac9a1b92b5ccce3945048edf76bff7dbfc96d61410