Oct 12 14:39:19.100 INFO checking rust-gjk/ChatApp against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977
Oct 12 14:39:19.102 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-4/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-4/pr-54977/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/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 +4021bd0b3c5815b087d6db10ce461e7e4854ade7-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"`
Oct 12 14:39:19.477 INFO blam! 39c486f82beeb76016be57d579455ff9fd8603e450dccb9bce2daff046f4dbc2
Oct 12 14:39:19.492 INFO running `"docker" "start" "-a" "39c486f82beeb76016be57d579455ff9fd8603e450dccb9bce2daff046f4dbc2"`
Oct 12 14:39:20.912 INFO kablam! usermod: no changes
Oct 12 14:39:21.020 INFO kablam!     Checking serde v1.0.44
Oct 12 14:39:21.021 INFO kablam!    Compiling syn v0.13.4
Oct 12 14:39:36.517 INFO kablam!    Compiling serde_derive_internals v0.23.1
Oct 12 14:39:43.496 INFO kablam!    Compiling serde_derive v1.0.44
Oct 12 14:39:45.583 INFO kablam!     Checking serde_cbor v0.8.2
Oct 12 14:39:54.520 INFO kablam!     Checking ChatApp v0.1.0 (/source)
Oct 12 14:39:55.248 INFO kablam! warning: crate `ChatApp` should have a snake case name such as `chat_app`
Oct 12 14:39:55.248 INFO kablam!   |
Oct 12 14:39:55.248 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 12 14:39:55.248 INFO kablam! 
Oct 12 14:39:55.308 INFO kablam! warning: crate `ChatApp` should have a snake case name such as `chat_app`
Oct 12 14:39:55.308 INFO kablam!   |
Oct 12 14:39:55.308 INFO kablam!   = note: #[warn(non_snake_case)] on by default
Oct 12 14:39:55.308 INFO kablam! 
Oct 12 14:39:55.684 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:39:55.684 INFO kablam!  --> src/server.rs:4:9
Oct 12 14:39:55.684 INFO kablam!   |
Oct 12 14:39:55.684 INFO kablam! 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Oct 12 14:39:55.684 INFO kablam!   |         ----^^^^^^
Oct 12 14:39:55.684 INFO kablam!   |         |
Oct 12 14:39:55.684 INFO kablam!   |         help: remove this `mut`
Oct 12 14:39:55.684 INFO kablam!   |
Oct 12 14:39:55.684 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 14:39:55.684 INFO kablam! 
Oct 12 14:39:55.684 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:39:55.684 INFO kablam!   --> src/client.rs:14:5
Oct 12 14:39:55.684 INFO kablam!    |
Oct 12 14:39:55.684 INFO kablam! 14 |     recv_socket.send(b"connected");
Oct 12 14:39:55.684 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:39:55.684 INFO kablam!    |
Oct 12 14:39:55.684 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 14:39:55.684 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:39:55.684 INFO kablam! 
Oct 12 14:39:55.685 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:39:55.685 INFO kablam!   --> src/client.rs:19:6
Oct 12 14:39:55.685 INFO kablam!    |
Oct 12 14:39:55.685 INFO kablam! 19 |         send_socket.send(zprava.as_bytes());
Oct 12 14:39:55.685 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:39:55.685 INFO kablam!    |
Oct 12 14:39:55.685 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:39:55.685 INFO kablam! 
Oct 12 14:39:55.753 INFO kablam! warning: variable does not need to be mutable
Oct 12 14:39:55.753 INFO kablam!  --> src/server.rs:4:9
Oct 12 14:39:55.753 INFO kablam!   |
Oct 12 14:39:55.753 INFO kablam! 4 |     let mut socket = UdpSocket::bind("0.0.0.0:12345").unwrap();
Oct 12 14:39:55.753 INFO kablam!   |         ----^^^^^^
Oct 12 14:39:55.753 INFO kablam!   |         |
Oct 12 14:39:55.753 INFO kablam!   |         help: remove this `mut`
Oct 12 14:39:55.753 INFO kablam!   |
Oct 12 14:39:55.753 INFO kablam!   = note: #[warn(unused_mut)] on by default
Oct 12 14:39:55.753 INFO kablam! 
Oct 12 14:39:55.755 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:39:55.755 INFO kablam!   --> src/client.rs:14:5
Oct 12 14:39:55.755 INFO kablam!    |
Oct 12 14:39:55.755 INFO kablam! 14 |     recv_socket.send(b"connected");
Oct 12 14:39:55.755 INFO kablam!    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:39:55.755 INFO kablam!    |
Oct 12 14:39:55.755 INFO kablam!    = note: #[warn(unused_must_use)] on by default
Oct 12 14:39:55.755 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:39:55.755 INFO kablam! 
Oct 12 14:39:55.755 INFO kablam! warning: unused `std::result::Result` which must be used
Oct 12 14:39:55.755 INFO kablam!   --> src/client.rs:19:6
Oct 12 14:39:55.755 INFO kablam!    |
Oct 12 14:39:55.755 INFO kablam! 19 |         send_socket.send(zprava.as_bytes());
Oct 12 14:39:55.755 INFO kablam!    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Oct 12 14:39:55.755 INFO kablam!    |
Oct 12 14:39:55.755 INFO kablam!    = note: this `Result` may be an `Err` variant, which should be handled
Oct 12 14:39:55.755 INFO kablam! 
Oct 12 14:39:55.788 INFO kablam!     Finished dev [unoptimized + debuginfo] target(s) in 34.84s
Oct 12 14:39:55.796 INFO kablam! su: No module specific data is present
Oct 12 14:39:56.154 INFO running `"docker" "rm" "-f" "39c486f82beeb76016be57d579455ff9fd8603e450dccb9bce2daff046f4dbc2"`
Oct 12 14:39:56.316 INFO blam! 39c486f82beeb76016be57d579455ff9fd8603e450dccb9bce2daff046f4dbc2