Dec 04 11:12:39.633 INFO checking rust-gjk/ChatApp against try#1df97983eb2057dc6a8f7eb364e263b51ae23230 for pr-56481
Dec 04 11:12:39.634 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 04 11:12:39.847 INFO [stdout] f0b3d911358fc9ede5039f8883abdef43bcc0da4a6188a7562c840cb63d227cb
Dec 04 11:12:39.849 INFO running `"docker" "start" "-a" "f0b3d911358fc9ede5039f8883abdef43bcc0da4a6188a7562c840cb63d227cb"`
Dec 04 11:12:40.703 INFO [stderr] usermod: no changes
Dec 04 11:12:40.767 INFO [stderr]     Checking serde v1.0.44
Dec 04 11:12:40.767 INFO [stderr]    Compiling syn v0.13.4
Dec 04 11:12:54.024 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 04 11:12:58.223 INFO [stderr]    Compiling serde_derive v1.0.44
Dec 04 11:13:00.951 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 04 11:13:09.127 INFO [stderr]     Checking ChatApp v0.1.0 (/source)
Dec 04 11:13:09.859 INFO [stderr] warning: crate `ChatApp` should have a snake case name such as `chat_app`
Dec 04 11:13:09.859 INFO [stderr]   |
Dec 04 11:13:09.859 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 11:13:09.859 INFO [stderr] 
Dec 04 11:13:09.877 INFO [stderr] warning: crate `ChatApp` should have a snake case name such as `chat_app`
Dec 04 11:13:09.877 INFO [stderr]   |
Dec 04 11:13:09.877 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 11:13:09.877 INFO [stderr] 
Dec 04 11:13:10.224 INFO [stderr] warning: variable does not need to be mutable
Dec 04 11:13:10.224 INFO [stderr]  --> src/server.rs:4:9
Dec 04 11:13:10.224 INFO [stderr]   |
Dec 04 11:13:10.224 INFO [stderr] 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Dec 04 11:13:10.225 INFO [stderr]   |         ----^^^^^^
Dec 04 11:13:10.225 INFO [stderr]   |         |
Dec 04 11:13:10.225 INFO [stderr]   |         help: remove this `mut`
Dec 04 11:13:10.225 INFO [stderr]   |
Dec 04 11:13:10.225 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 11:13:10.225 INFO [stderr] 
Dec 04 11:13:10.225 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:10.225 INFO [stderr]   --> src/client.rs:14:5
Dec 04 11:13:10.225 INFO [stderr]    |
Dec 04 11:13:10.225 INFO [stderr] 14 |     recv_socket.send(b"connected");
Dec 04 11:13:10.225 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:10.225 INFO [stderr]    |
Dec 04 11:13:10.225 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:13:10.225 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:10.225 INFO [stderr] 
Dec 04 11:13:10.225 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:10.225 INFO [stderr]   --> src/client.rs:19:6
Dec 04 11:13:10.225 INFO [stderr]    |
Dec 04 11:13:10.225 INFO [stderr] 19 |         send_socket.send(zprava.as_bytes());
Dec 04 11:13:10.225 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:10.225 INFO [stderr]    |
Dec 04 11:13:10.225 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:10.225 INFO [stderr] 
Dec 04 11:13:10.247 INFO [stderr] warning: variable does not need to be mutable
Dec 04 11:13:10.247 INFO [stderr]  --> src/server.rs:4:9
Dec 04 11:13:10.247 INFO [stderr]   |
Dec 04 11:13:10.247 INFO [stderr] 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Dec 04 11:13:10.247 INFO [stderr]   |         ----^^^^^^
Dec 04 11:13:10.247 INFO [stderr]   |         |
Dec 04 11:13:10.247 INFO [stderr]   |         help: remove this `mut`
Dec 04 11:13:10.247 INFO [stderr]   |
Dec 04 11:13:10.247 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 11:13:10.247 INFO [stderr] 
Dec 04 11:13:10.248 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:10.248 INFO [stderr]   --> src/client.rs:14:5
Dec 04 11:13:10.248 INFO [stderr]    |
Dec 04 11:13:10.248 INFO [stderr] 14 |     recv_socket.send(b"connected");
Dec 04 11:13:10.248 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:10.248 INFO [stderr]    |
Dec 04 11:13:10.248 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:13:10.248 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:10.248 INFO [stderr] 
Dec 04 11:13:10.249 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:10.249 INFO [stderr]   --> src/client.rs:19:6
Dec 04 11:13:10.249 INFO [stderr]    |
Dec 04 11:13:10.249 INFO [stderr] 19 |         send_socket.send(zprava.as_bytes());
Dec 04 11:13:10.249 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:10.249 INFO [stderr]    |
Dec 04 11:13:10.249 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:10.249 INFO [stderr] 
Dec 04 11:13:10.263 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.54s
Dec 04 11:13:10.267 INFO [stderr] su: No module specific data is present
Dec 04 11:13:10.724 INFO running `"docker" "inspect" "f0b3d911358fc9ede5039f8883abdef43bcc0da4a6188a7562c840cb63d227cb"`
Dec 04 11:13:10.985 INFO running `"docker" "rm" "-f" "f0b3d911358fc9ede5039f8883abdef43bcc0da4a6188a7562c840cb63d227cb"`
Dec 04 11:13:11.241 INFO [stdout] f0b3d911358fc9ede5039f8883abdef43bcc0da4a6188a7562c840cb63d227cb