[INFO] updating cached repository https://github.com/SvantjeJung/battleship
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2e3b1c01abd3ec5c589da875097848bbee85b6cc
[INFO] testing SvantjeJung/battleship against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSvantjeJung%2Fbattleship" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/SvantjeJung/battleship on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/SvantjeJung/battleship
[INFO] finished tweaking git repo https://github.com/SvantjeJung/battleship
[INFO] tweaked toml for git repo https://github.com/SvantjeJung/battleship written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/SvantjeJung/battleship already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6002cdacede226877df4618216306e4599af835ee37bd179a380682e39caa9f0
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "6002cdacede226877df4618216306e4599af835ee37bd179a380682e39caa9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6002cdacede226877df4618216306e4599af835ee37bd179a380682e39caa9f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6002cdacede226877df4618216306e4599af835ee37bd179a380682e39caa9f0", kill_on_drop: false }`
[INFO] [stdout] 6002cdacede226877df4618216306e4599af835ee37bd179a380682e39caa9f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 74301ec5827edd0d72bb9783b409b2d33cce99a8d2a01c5a8a2c8d1b15136324
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "74301ec5827edd0d72bb9783b409b2d33cce99a8d2a01c5a8a2c8d1b15136324", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling quote v0.3.12
[INFO] [stderr]    Compiling num-traits v0.1.36
[INFO] [stderr]    Compiling serde v0.9.6
[INFO] [stderr]    Compiling term v0.4.5
[INFO] [stderr]    Compiling syn v0.11.4
[INFO] [stderr]    Compiling term_size v0.2.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling ctrlc v3.0.0
[INFO] [stderr]    Compiling clap v2.20.3
[INFO] [stderr]    Compiling term-painter v0.2.3
[INFO] [stderr]    Compiling chan v0.1.19
[INFO] [stderr]    Compiling serde_codegen_internals v0.13.0
[INFO] [stderr]    Compiling serde_derive v0.9.6
[INFO] [stderr]    Compiling bincode v1.0.0-alpha1
[INFO] [stderr]    Compiling battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         'a' ... 'j' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:664:13
[INFO] [stdout]     |
[INFO] [stdout] 664 |         '0' ... '9' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stdout] 29 | |         (version: crate_version!())
[INFO] [stdout] 30 | |         (author: crate_authors!())
[INFO] [stdout] 31 | |         (about: "Two player battleship game")
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stdout] 62 | |         .get_matches();
[INFO] [stdout]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ///                                         Start                                           ///
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stdout]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/util.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stdout]    |                          ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/net/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) {
[INFO] [stdout]   |             ----^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/model/types.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]    --> src/model/mod.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn get_input() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 38.35s
[INFO] running `Command { std: "docker" "inspect" "74301ec5827edd0d72bb9783b409b2d33cce99a8d2a01c5a8a2c8d1b15136324", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74301ec5827edd0d72bb9783b409b2d33cce99a8d2a01c5a8a2c8d1b15136324", kill_on_drop: false }`
[INFO] [stdout] 74301ec5827edd0d72bb9783b409b2d33cce99a8d2a01c5a8a2c8d1b15136324
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8744a2072e2eeb63fbaef5c2403ff1204fae723e3d90e8f459f523a8ab9d3136
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8744a2072e2eeb63fbaef5c2403ff1204fae723e3d90e8f459f523a8ab9d3136", kill_on_drop: false }`
[INFO] [stderr]    Compiling battleship v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:656:13
[INFO] [stdout]     |
[INFO] [stdout] 656 |         'a' ... 'j' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `...` range patterns are deprecated
[INFO] [stdout]    --> src/model/mod.rs:664:13
[INFO] [stdout]     |
[INFO] [stdout] 664 |         '0' ... '9' => true,
[INFO] [stdout]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stdout] 29 | |         (version: crate_version!())
[INFO] [stdout] 30 | |         (author: crate_authors!())
[INFO] [stdout] 31 | |         (about: "Two player battleship game")
[INFO] [stdout] ...  |
[INFO] [stdout] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stdout] 62 | |         .get_matches();
[INFO] [stdout]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     ///                                         Start                                           ///
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stdout] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stdout]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stdout]   --> src/util.rs:12:26
[INFO] [stdout]    |
[INFO] [stdout] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stdout]    |                          ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/net/mod.rs:8:13
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) {
[INFO] [stdout]   |             ----^^^^^^
[INFO] [stdout]   |             |
[INFO] [stdout]   |             help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `empty`
[INFO] [stdout]   --> src/model/types.rs:95:12
[INFO] [stdout]    |
[INFO] [stdout] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `get_input`
[INFO] [stdout]    --> src/model/mod.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn get_input() -> usize {
[INFO] [stdout]     |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 8 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.62s
[INFO] running `Command { std: "docker" "inspect" "8744a2072e2eeb63fbaef5c2403ff1204fae723e3d90e8f459f523a8ab9d3136", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8744a2072e2eeb63fbaef5c2403ff1204fae723e3d90e8f459f523a8ab9d3136", kill_on_drop: false }`
[INFO] [stdout] 8744a2072e2eeb63fbaef5c2403ff1204fae723e3d90e8f459f523a8ab9d3136
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 0b4d74d91ec707d9ad4a4873be68a5d9d87b08ed5c7f858991140723a78e0680
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0b4d74d91ec707d9ad4a4873be68a5d9d87b08ed5c7f858991140723a78e0680", kill_on_drop: false }`
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/model/mod.rs:656:13
[INFO] [stderr]     |
[INFO] [stderr] 656 |         'a' ... 'j' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `...` range patterns are deprecated
[INFO] [stderr]    --> src/model/mod.rs:664:13
[INFO] [stderr]     |
[INFO] [stderr] 664 |         '0' ... '9' => true,
[INFO] [stderr]     |             ^^^ help: use `..=` for an inclusive range
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |       ///                                Command Line Interface                                   ///
[INFO] [stderr]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 27 |       ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stderr] 28 | /     let battleship = clap_app!(battleship =>
[INFO] [stderr] 29 | |         (version: crate_version!())
[INFO] [stderr] 30 | |         (author: crate_authors!())
[INFO] [stderr] 31 | |         (about: "Two player battleship game")
[INFO] [stderr] ...  |
[INFO] [stderr] 61 | |         .setting(AppSettings::SubcommandRequired)
[INFO] [stderr] 62 | |         .get_matches();
[INFO] [stderr]    | |_______________________- rustdoc does not generate documentation for statements
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused doc comment
[INFO] [stderr]   --> src/main.rs:65:5
[INFO] [stderr]    |
[INFO] [stderr] 65 |     ///                                         Start                                           ///
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 66 |     ///////////////////////////////////////////////////////////////////////////////////////////////
[INFO] [stderr] 67 |     Yellow.with(|| println!("Welcome to a round of 'battleship'"));
[INFO] [stderr]    |     -------------------------------------------------------------- rustdoc does not generate documentation for expressions
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'core::str::<impl str>::trim_right': superseded by `trim_end`
[INFO] [stderr]   --> src/util.rs:12:26
[INFO] [stderr]    |
[INFO] [stderr] 12 |     let new_len = buffer.trim_right().len();
[INFO] [stderr]    |                          ^^^^^^^^^^ help: replace the use of the deprecated item: `trim_end`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]  --> src/net/mod.rs:8:13
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub fn send(mut stream: &mut TcpStream, msg: types::MessageType) {
[INFO] [stderr]   |             ----^^^^^^
[INFO] [stderr]   |             |
[INFO] [stderr]   |             help: remove this `mut`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `empty`
[INFO] [stderr]   --> src/model/types.rs:95:12
[INFO] [stderr]    |
[INFO] [stderr] 95 |     pub fn empty(board: &[[SubField; 10]; 10]) -> bool {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `get_input`
[INFO] [stderr]    --> src/model/mod.rs:585:4
[INFO] [stderr]     |
[INFO] [stderr] 585 | fn get_input() -> usize {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/battleship-c4b7e522cf4c08e4
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "0b4d74d91ec707d9ad4a4873be68a5d9d87b08ed5c7f858991140723a78e0680", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b4d74d91ec707d9ad4a4873be68a5d9d87b08ed5c7f858991140723a78e0680", kill_on_drop: false }`
[INFO] [stdout] 0b4d74d91ec707d9ad4a4873be68a5d9d87b08ed5c7f858991140723a78e0680