[INFO] cloning repository https://github.com/fwcd/SC18-RustClient
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fwcd/SC18-RustClient" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2FSC18-RustClient", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2FSC18-RustClient'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c763d61e0f50783c552b8f6180a361a1d6058817
[INFO] checking fwcd/SC18-RustClient against master#82310651b93a594a3fd69015e1562186a080d94c for pr-145770
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffwcd%2FSC18-RustClient" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/fwcd/SC18-RustClient
[INFO] finished tweaking git repo https://github.com/fwcd/SC18-RustClient
[INFO] tweaked toml for git repo https://github.com/fwcd/SC18-RustClient written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fwcd/SC18-RustClient on toolchain 82310651b93a594a3fd69015e1562186a080d94c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fwcd/SC18-RustClient already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bitflags v1.0.1
[INFO] [stderr]   Downloaded xml-rs v0.7.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c97497cd9db84324c9fb349315ef6238ee8072781bc9873fd4af41ba65bf2528
[INFO] running `Command { std: "docker" "start" "-a" "c97497cd9db84324c9fb349315ef6238ee8072781bc9873fd4af41ba65bf2528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c97497cd9db84324c9fb349315ef6238ee8072781bc9873fd4af41ba65bf2528", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c97497cd9db84324c9fb349315ef6238ee8072781bc9873fd4af41ba65bf2528", kill_on_drop: false }`
[INFO] [stdout] c97497cd9db84324c9fb349315ef6238ee8072781bc9873fd4af41ba65bf2528
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+82310651b93a594a3fd69015e1562186a080d94c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ce553a7c6e21fb98476bcdacc754bc71ace5ff54321598ea40bad119b5e9a644
[INFO] running `Command { std: "docker" "start" "-a" "ce553a7c6e21fb98476bcdacc754bc71ace5ff54321598ea40bad119b5e9a644", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]     Checking bitflags v1.0.1
[INFO] [stderr]     Checking xml-rs v0.7.0
[INFO] [stderr]     Checking sc18_rustclient v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     listeners: Vec<Box<ClientListener>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     listeners: Vec<Box<dyn ClientListener>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:10:21
[INFO] [stdout]    |
[INFO] [stdout] 10 |     listeners: Vec<Box<ClientListener>>,
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 10 |     listeners: Vec<Box<dyn ClientListener>>,
[INFO] [stdout]    |                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:26:47
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn add_listener(&mut self, listener: Box<ClientListener>) {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn add_listener(&mut self, listener: Box<dyn ClientListener>) {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut FnMut(&mut ClientListener)) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut dyn FnMut(&mut ClientListener)) {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:52:57
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut FnMut(&mut ClientListener)) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut FnMut(&mut dyn ClientListener)) {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xml_client.rs:115:64
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_move_upon_request(color: &str, move_req_listener: &mut ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_move_upon_request(color: &str, move_req_listener: &mut dyn ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut boxed: &mut Box<ClientListener> = &mut self.listeners[i];
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut boxed: &mut Box<dyn ClientListener> = &mut self.listeners[i];
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |                             let mut move_req_listener: &mut ClientListener;
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 |                             let mut move_req_listener: &mut dyn ClientListener;
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:26:47
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn add_listener(&mut self, listener: Box<ClientListener>) {
[INFO] [stdout]    |                                                  ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 26 |     pub fn add_listener(&mut self, listener: Box<dyn ClientListener>) {
[INFO] [stdout]    |                                                  +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:52:46
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut FnMut(&mut ClientListener)) {
[INFO] [stdout]    |                                                 ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut dyn FnMut(&mut ClientListener)) {
[INFO] [stdout]    |                                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:52:57
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut FnMut(&mut ClientListener)) {
[INFO] [stdout]    |                                                            ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn fire_listeners(&mut self, notifier: &mut FnMut(&mut dyn ClientListener)) {
[INFO] [stdout]    |                                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/xml_client.rs:115:64
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_move_upon_request(color: &str, move_req_listener: &mut ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move {
[INFO] [stdout]     |                                                                   ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_move_upon_request(color: &str, move_req_listener: &mut dyn ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move {
[INFO] [stdout]     |                                                                   +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run(mut self, target: &String, reservation: &String) {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut boxed: &mut Box<ClientListener> = &mut self.listeners[i];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut reference = boxed.as_mut();
[INFO] [stdout]    |                 ----^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:55:28
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut boxed: &mut Box<ClientListener> = &mut self.listeners[i];
[INFO] [stdout]    |                                     ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut boxed: &mut Box<dyn ClientListener> = &mut self.listeners[i];
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/xml_client.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |                             let mut move_req_listener: &mut ClientListener;
[INFO] [stdout]    |                                                             ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] help: if this is a dyn-compatible trait, use `dyn`
[INFO] [stdout]    |
[INFO] [stdout] 76 |                             let mut move_req_listener: &mut dyn ClientListener;
[INFO] [stdout]    |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |                             let mut move_req_listener: &mut ClientListener;
[INFO] [stdout]    |                                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/xml_client.rs:115:104
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_move_upon_request(color: &str, move_req_listener: &mut ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move {
[INFO] [stdout]     |                                                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/xml_client.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn on_update_state(&mut self, state: &GameState) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `welcome_message`
[INFO] [stdout]    --> src/xml_client.rs:141:35
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn on_welcome_message(&mut self, welcome_message: &WelcomeMessage) {}
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_welcome_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `room`
[INFO] [stdout]    --> src/xml_client.rs:167:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn on_join(&mut self, room: &Room) {}
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_room`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_int` is never used
[INFO] [stdout]   --> src/arg_parser.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ArgParser {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_int(&self, key: &str) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/game.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Room {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     pub id: String
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Joined` is never constructed
[INFO] [stdout]  --> src/game.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Joined {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/game.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Field {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 64 |     pub field_type: String,
[INFO] [stdout] 65 |     pub index: i32
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_joined`, `get_attributes`, and `get_childs` are never used
[INFO] [stdout]    --> src/xml_utils.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl XMLNode {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn as_joined(&self) -> Joined {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn get_attributes(&self) -> &HashMap<String, Vec<String>> { return &self.attribs; }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn get_childs(&self) -> &Vec<XMLNode> { return &self.childs; }
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_NONE` is never used
[INFO] [stdout]  --> src/logger.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const LEVEL_NONE: i32 = 100;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_WARN` is never used
[INFO] [stdout]  --> src/logger.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const LEVEL_WARN: i32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_INFO` is never used
[INFO] [stdout]  --> src/logger.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const LEVEL_INFO: i32 = 0;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_DEBUG` is never used
[INFO] [stdout]  --> src/logger.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LEVEL_DEBUG: i32 = -1;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_VERY_DEEP_TRACE` is never used
[INFO] [stdout]  --> src/logger.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const LEVEL_VERY_DEEP_TRACE: i32 = -4;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `warn`, `info`, `debug`, and `very_deep_trace` are never used
[INFO] [stdout]   --> src/logger.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Logger {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn warn<F>(&self, msg: F) where F: Fn() -> String            { self.log("[WARN]        ", msg, LEVEL_WARN); }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn info<F>(&self, msg: F) where F: Fn() -> String            { self.log("[INFO]        ", msg, LEVEL_INFO); }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 26 |
[INFO] [stdout] 27 |     pub fn debug<F>(&self, msg: F) where F: Fn() -> String           { self.log("[DEBUG]       ", msg, LEVEL_DEBUG); }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn very_deep_trace<F>(&self, msg: F) where F: Fn() -> String { self.log("[V_DEEP_TRACE]", msg, LEVEL_VERY_DEEP_TRACE); }
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:33:13
[INFO] [stdout]    |
[INFO] [stdout] 33 |     pub fn run(mut self, target: &String, reservation: &String) {
[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: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 55 |             let mut boxed: &mut Box<ClientListener> = &mut self.listeners[i];
[INFO] [stdout]    |                 ----^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:56:8
[INFO] [stdout]    |
[INFO] [stdout] 56 |             let mut reference = boxed.as_mut();
[INFO] [stdout]    |                 ----^^^^^^^^^
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/xml_client.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 76 |                             let mut move_req_listener: &mut ClientListener;
[INFO] [stdout]    |                                 ----^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                                 |
[INFO] [stdout]    |                                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `node`
[INFO] [stdout]    --> src/xml_client.rs:115:104
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn get_move_upon_request(color: &str, move_req_listener: &mut ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move {
[INFO] [stdout]     |                                                                                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_node`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/xml_client.rs:139:32
[INFO] [stdout]     |
[INFO] [stdout] 139 |     fn on_update_state(&mut self, state: &GameState) {}
[INFO] [stdout]     |                                   ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `welcome_message`
[INFO] [stdout]    --> src/xml_client.rs:141:35
[INFO] [stdout]     |
[INFO] [stdout] 141 |     fn on_welcome_message(&mut self, welcome_message: &WelcomeMessage) {}
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_welcome_message`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `room`
[INFO] [stdout]    --> src/xml_client.rs:167:24
[INFO] [stdout]     |
[INFO] [stdout] 167 |     fn on_join(&mut self, room: &Room) {}
[INFO] [stdout]     |                           ^^^^ help: if this is intentional, prefix it with an underscore: `_room`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_int` is never used
[INFO] [stdout]   --> src/arg_parser.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl ArgParser {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 35 |     pub fn get_int(&self, key: &str) -> Option<i32> {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `id` is never read
[INFO] [stdout]  --> src/game.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct Room {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 4 |     pub id: String
[INFO] [stdout]   |         ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Joined` is never constructed
[INFO] [stdout]  --> src/game.rs:7:12
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct Joined {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/game.rs:65:6
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub struct Field {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 64 |     pub field_type: String,
[INFO] [stdout] 65 |     pub index: i32
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `as_joined`, `get_attributes`, and `get_childs` are never used
[INFO] [stdout]    --> src/xml_utils.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 20  | impl XMLNode {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn as_joined(&self) -> Joined {
[INFO] [stdout]     |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn get_attributes(&self) -> &HashMap<String, Vec<String>> { return &self.attribs; }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     pub fn get_childs(&self) -> &Vec<XMLNode> { return &self.childs; }
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_NONE` is never used
[INFO] [stdout]  --> src/logger.rs:1:7
[INFO] [stdout]   |
[INFO] [stdout] 1 | const LEVEL_NONE: i32 = 100;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_WARN` is never used
[INFO] [stdout]  --> src/logger.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 | const LEVEL_WARN: i32 = 1;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_INFO` is never used
[INFO] [stdout]  --> src/logger.rs:4:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | const LEVEL_INFO: i32 = 0;
[INFO] [stdout]   |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_DEBUG` is never used
[INFO] [stdout]  --> src/logger.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | const LEVEL_DEBUG: i32 = -1;
[INFO] [stdout]   |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `LEVEL_VERY_DEEP_TRACE` is never used
[INFO] [stdout]  --> src/logger.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const LEVEL_VERY_DEEP_TRACE: i32 = -4;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `warn`, `info`, `debug`, and `very_deep_trace` are never used
[INFO] [stdout]   --> src/logger.rs:23:9
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl Logger {
[INFO] [stdout]    | ----------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 23 |     pub fn warn<F>(&self, msg: F) where F: Fn() -> String            { self.log("[WARN]        ", msg, LEVEL_WARN); }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 24 |
[INFO] [stdout] 25 |     pub fn info<F>(&self, msg: F) where F: Fn() -> String            { self.log("[INFO]        ", msg, LEVEL_INFO); }
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 26 |
[INFO] [stdout] 27 |     pub fn debug<F>(&self, msg: F) where F: Fn() -> String           { self.log("[DEBUG]       ", msg, LEVEL_DEBUG); }
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub fn very_deep_trace<F>(&self, msg: F) where F: Fn() -> String { self.log("[V_DEEP_TRACE]", msg, LEVEL_VERY_DEEP_TRACE); }
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.91s
[INFO] running `Command { std: "docker" "inspect" "ce553a7c6e21fb98476bcdacc754bc71ace5ff54321598ea40bad119b5e9a644", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce553a7c6e21fb98476bcdacc754bc71ace5ff54321598ea40bad119b5e9a644", kill_on_drop: false }`
[INFO] [stdout] ce553a7c6e21fb98476bcdacc754bc71ace5ff54321598ea40bad119b5e9a644
