Dec 04 11:12:39.711 INFO checking rust-gjk/ChatApp against master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc for pr-56481
Dec 04 11:12:39.711 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56481/worker-2/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-2/pr-56481/master#c8ae2de8363be088604ffa2ccba84ff7ad7250bc:/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 +c8ae2de8363be088604ffa2ccba84ff7ad7250bc-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 11:12:39.975 INFO [stdout] c86525733c575c17191ed756c8714d3550c161620043d51cfb051d5585a946a3
Dec 04 11:12:39.975 INFO running `"docker" "start" "-a" "c86525733c575c17191ed756c8714d3550c161620043d51cfb051d5585a946a3"`
Dec 04 11:12:40.755 INFO [stderr] usermod: no changes
Dec 04 11:12:40.859 INFO [stderr]     Checking serde v1.0.44
Dec 04 11:12:40.859 INFO [stderr]     Checking text_io v0.1.7
Dec 04 11:12:40.859 INFO [stderr]    Compiling syn v0.13.4
Dec 04 11:12:53.997 INFO [stderr]    Compiling serde_derive_internals v0.23.1
Dec 04 11:12:58.565 INFO [stderr]    Compiling serde_derive v1.0.44
Dec 04 11:12:59.451 INFO [stderr]     Checking serde_cbor v0.8.2
Dec 04 11:13:08.796 INFO [stderr]     Checking ChatApp v0.1.0 (/source)
Dec 04 11:13:09.589 INFO [stderr] warning: crate `ChatApp` should have a snake case name such as `chat_app`
Dec 04 11:13:09.589 INFO [stderr]   |
Dec 04 11:13:09.590 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 11:13:09.590 INFO [stderr] 
Dec 04 11:13:09.759 INFO [stderr] warning: crate `ChatApp` should have a snake case name such as `chat_app`
Dec 04 11:13:09.759 INFO [stderr]   |
Dec 04 11:13:09.759 INFO [stderr]   = note: #[warn(non_snake_case)] on by default
Dec 04 11:13:09.759 INFO [stderr] 
Dec 04 11:13:09.991 INFO [stderr] warning: variable does not need to be mutable
Dec 04 11:13:09.991 INFO [stderr]  --> src/server.rs:4:9
Dec 04 11:13:09.991 INFO [stderr]   |
Dec 04 11:13:09.991 INFO [stderr] 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Dec 04 11:13:09.991 INFO [stderr]   |         ----^^^^^^
Dec 04 11:13:09.991 INFO [stderr]   |         |
Dec 04 11:13:09.991 INFO [stderr]   |         help: remove this `mut`
Dec 04 11:13:09.991 INFO [stderr]   |
Dec 04 11:13:09.991 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 11:13:09.991 INFO [stderr] 
Dec 04 11:13:09.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:09.992 INFO [stderr]   --> src/client.rs:14:5
Dec 04 11:13:09.992 INFO [stderr]    |
Dec 04 11:13:09.992 INFO [stderr] 14 |     recv_socket.send(b"connected");
Dec 04 11:13:09.992 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:09.992 INFO [stderr]    |
Dec 04 11:13:09.992 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:13:09.992 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:09.992 INFO [stderr] 
Dec 04 11:13:09.992 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:09.992 INFO [stderr]   --> src/client.rs:19:6
Dec 04 11:13:09.992 INFO [stderr]    |
Dec 04 11:13:09.992 INFO [stderr] 19 |         send_socket.send(zprava.as_bytes());
Dec 04 11:13:09.992 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:09.992 INFO [stderr]    |
Dec 04 11:13:09.992 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:09.992 INFO [stderr] 
Dec 04 11:13:10.021 INFO [stderr] warning: variable does not need to be mutable
Dec 04 11:13:10.021 INFO [stderr]  --> src/server.rs:4:9
Dec 04 11:13:10.021 INFO [stderr]   |
Dec 04 11:13:10.021 INFO [stderr] 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Dec 04 11:13:10.022 INFO [stderr]   |         ----^^^^^^
Dec 04 11:13:10.022 INFO [stderr]   |         |
Dec 04 11:13:10.022 INFO [stderr]   |         help: remove this `mut`
Dec 04 11:13:10.022 INFO [stderr]   |
Dec 04 11:13:10.022 INFO [stderr]   = note: #[warn(unused_mut)] on by default
Dec 04 11:13:10.022 INFO [stderr] 
Dec 04 11:13:10.024 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:10.024 INFO [stderr]   --> src/client.rs:14:5
Dec 04 11:13:10.024 INFO [stderr]    |
Dec 04 11:13:10.024 INFO [stderr] 14 |     recv_socket.send(b"connected");
Dec 04 11:13:10.025 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:10.025 INFO [stderr]    |
Dec 04 11:13:10.025 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 04 11:13:10.025 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:10.026 INFO [stderr] 
Dec 04 11:13:10.026 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 04 11:13:10.027 INFO [stderr]   --> src/client.rs:19:6
Dec 04 11:13:10.027 INFO [stderr]    |
Dec 04 11:13:10.027 INFO [stderr] 19 |         send_socket.send(zprava.as_bytes());
Dec 04 11:13:10.027 INFO [stderr]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 04 11:13:10.028 INFO [stderr]    |
Dec 04 11:13:10.028 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 04 11:13:10.028 INFO [stderr] 
Dec 04 11:13:10.042 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 29.25s
Dec 04 11:13:10.047 INFO [stderr] su: No module specific data is present
Dec 04 11:13:10.557 INFO running `"docker" "inspect" "c86525733c575c17191ed756c8714d3550c161620043d51cfb051d5585a946a3"`
Dec 04 11:13:10.783 INFO running `"docker" "rm" "-f" "c86525733c575c17191ed756c8714d3550c161620043d51cfb051d5585a946a3"`
Dec 04 11:13:11.030 INFO [stdout] c86525733c575c17191ed756c8714d3550c161620043d51cfb051d5585a946a3