Oct 12 21:20:34.247 INFO checking fwcd/SC18-RustClient against try#4021bd0b3c5815b087d6db10ce461e7e4854ade7 for pr-54977 Oct 12 21:20:34.249 INFO running `"docker" "create" "-v" "/mnt/big/crater/./work/local/target-dirs/pr-54977/worker-7/try#4021bd0b3c5815b087d6db10ce461e7e4854ade7:/target:rw,Z" "-v" "/mnt/big/crater/./work/local/test-source/worker-7/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 21:20:34.484 INFO blam! 2525238e6e8f877b7c6c95be14ad2694c7a3eb9afbc4089fa2fc1b96e578f923 Oct 12 21:20:34.484 INFO running `"docker" "start" "-a" "2525238e6e8f877b7c6c95be14ad2694c7a3eb9afbc4089fa2fc1b96e578f923"` Oct 12 21:20:35.324 INFO kablam! usermod: no changes Oct 12 21:20:35.413 INFO kablam! Checking sc18_rustclient v0.1.0 (/source) Oct 12 21:20:35.996 INFO kablam! warning: unused variable: `state` Oct 12 21:20:35.998 INFO kablam! --> src/xml_client.rs:139:32 Oct 12 21:20:35.998 INFO kablam! | Oct 12 21:20:35.998 INFO kablam! 139 | fn on_update_state(&mut self, state: &GameState) {} Oct 12 21:20:35.998 INFO kablam! | ^^^^^ help: consider using `_state` instead Oct 12 21:20:35.998 INFO kablam! | Oct 12 21:20:35.998 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 21:20:35.998 INFO kablam! Oct 12 21:20:35.998 INFO kablam! warning: unused variable: `welcome_message` Oct 12 21:20:35.999 INFO kablam! --> src/xml_client.rs:141:35 Oct 12 21:20:35.999 INFO kablam! | Oct 12 21:20:35.999 INFO kablam! 141 | fn on_welcome_message(&mut self, welcome_message: &WelcomeMessage) {} Oct 12 21:20:35.999 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_welcome_message` instead Oct 12 21:20:35.999 INFO kablam! Oct 12 21:20:35.999 INFO kablam! warning: unused variable: `room` Oct 12 21:20:35.999 INFO kablam! --> src/xml_client.rs:167:24 Oct 12 21:20:35.999 INFO kablam! | Oct 12 21:20:35.999 INFO kablam! 167 | fn on_join(&mut self, room: &Room) {} Oct 12 21:20:35.999 INFO kablam! | ^^^^ help: consider using `_room` instead Oct 12 21:20:35.999 INFO kablam! Oct 12 21:20:35.999 INFO kablam! warning: unused variable: `node` Oct 12 21:20:35.999 INFO kablam! --> src/xml_client.rs:115:104 Oct 12 21:20:35.999 INFO kablam! | Oct 12 21:20:35.999 INFO kablam! 115 | fn get_move_upon_request(color: &str, move_req_listener: &mut ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move { Oct 12 21:20:35.999 INFO kablam! | ^^^^ help: consider using `_node` instead Oct 12 21:20:35.999 INFO kablam! Oct 12 21:20:36.014 INFO kablam! warning: variable does not need to be mutable Oct 12 21:20:36.014 INFO kablam! --> src/xml_client.rs:33:13 Oct 12 21:20:36.014 INFO kablam! | Oct 12 21:20:36.014 INFO kablam! 33 | pub fn run(mut self, target: &String, reservation: &String) { Oct 12 21:20:36.014 INFO kablam! | ----^^^^ Oct 12 21:20:36.014 INFO kablam! | | Oct 12 21:20:36.014 INFO kablam! | help: remove this `mut` Oct 12 21:20:36.014 INFO kablam! | Oct 12 21:20:36.014 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 12 21:20:36.014 INFO kablam! Oct 12 21:20:36.043 INFO kablam! warning: unused variable: `state` Oct 12 21:20:36.043 INFO kablam! --> src/xml_client.rs:139:32 Oct 12 21:20:36.043 INFO kablam! | Oct 12 21:20:36.043 INFO kablam! 139 | fn on_update_state(&mut self, state: &GameState) {} Oct 12 21:20:36.043 INFO kablam! | ^^^^^ help: consider using `_state` instead Oct 12 21:20:36.043 INFO kablam! | Oct 12 21:20:36.043 INFO kablam! = note: #[warn(unused_variables)] on by default Oct 12 21:20:36.043 INFO kablam! Oct 12 21:20:36.043 INFO kablam! warning: unused variable: `welcome_message` Oct 12 21:20:36.043 INFO kablam! --> src/xml_client.rs:141:35 Oct 12 21:20:36.043 INFO kablam! | Oct 12 21:20:36.043 INFO kablam! 141 | fn on_welcome_message(&mut self, welcome_message: &WelcomeMessage) {} Oct 12 21:20:36.043 INFO kablam! | ^^^^^^^^^^^^^^^ help: consider using `_welcome_message` instead Oct 12 21:20:36.043 INFO kablam! Oct 12 21:20:36.043 INFO kablam! warning: unused variable: `room` Oct 12 21:20:36.043 INFO kablam! --> src/xml_client.rs:167:24 Oct 12 21:20:36.043 INFO kablam! | Oct 12 21:20:36.043 INFO kablam! 167 | fn on_join(&mut self, room: &Room) {} Oct 12 21:20:36.043 INFO kablam! | ^^^^ help: consider using `_room` instead Oct 12 21:20:36.043 INFO kablam! Oct 12 21:20:36.043 INFO kablam! warning: unused variable: `node` Oct 12 21:20:36.043 INFO kablam! --> src/xml_client.rs:115:104 Oct 12 21:20:36.043 INFO kablam! | Oct 12 21:20:36.043 INFO kablam! 115 | fn get_move_upon_request(color: &str, move_req_listener: &mut ClientListener, game_state: &GameState, node: &mut XMLNode) -> Move { Oct 12 21:20:36.043 INFO kablam! | ^^^^ help: consider using `_node` instead Oct 12 21:20:36.043 INFO kablam! Oct 12 21:20:36.056 INFO kablam! warning: variable does not need to be mutable Oct 12 21:20:36.056 INFO kablam! --> src/xml_client.rs:33:13 Oct 12 21:20:36.056 INFO kablam! | Oct 12 21:20:36.056 INFO kablam! 33 | pub fn run(mut self, target: &String, reservation: &String) { Oct 12 21:20:36.056 INFO kablam! | ----^^^^ Oct 12 21:20:36.056 INFO kablam! | | Oct 12 21:20:36.056 INFO kablam! | help: remove this `mut` Oct 12 21:20:36.056 INFO kablam! | Oct 12 21:20:36.056 INFO kablam! = note: #[warn(unused_mut)] on by default Oct 12 21:20:36.056 INFO kablam! Oct 12 21:20:36.060 INFO kablam! warning: method is never used: `get_int` Oct 12 21:20:36.060 INFO kablam! --> src/arg_parser.rs:35:2 Oct 12 21:20:36.060 INFO kablam! | Oct 12 21:20:36.060 INFO kablam! 35 | pub fn get_int(&self, key: &str) -> Option { Oct 12 21:20:36.060 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.060 INFO kablam! | Oct 12 21:20:36.060 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 21:20:36.060 INFO kablam! Oct 12 21:20:36.062 INFO kablam! warning: struct is never constructed: `Joined` Oct 12 21:20:36.062 INFO kablam! --> src/game.rs:7:1 Oct 12 21:20:36.062 INFO kablam! | Oct 12 21:20:36.062 INFO kablam! 7 | pub struct Joined { Oct 12 21:20:36.062 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.062 INFO kablam! Oct 12 21:20:36.062 INFO kablam! warning: method is never used: `as_joined` Oct 12 21:20:36.062 INFO kablam! --> src/xml_utils.rs:103:2 Oct 12 21:20:36.062 INFO kablam! | Oct 12 21:20:36.062 INFO kablam! 103 | pub fn as_joined(&self) -> Joined { Oct 12 21:20:36.062 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.063 INFO kablam! Oct 12 21:20:36.063 INFO kablam! warning: method is never used: `get_attributes` Oct 12 21:20:36.063 INFO kablam! --> src/xml_utils.rs:152:2 Oct 12 21:20:36.063 INFO kablam! | Oct 12 21:20:36.063 INFO kablam! 152 | pub fn get_attributes(&self) -> &HashMap> { return &self.attribs; } Oct 12 21:20:36.063 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.063 INFO kablam! Oct 12 21:20:36.063 INFO kablam! warning: method is never used: `get_childs` Oct 12 21:20:36.063 INFO kablam! --> src/xml_utils.rs:168:2 Oct 12 21:20:36.063 INFO kablam! | Oct 12 21:20:36.063 INFO kablam! 168 | pub fn get_childs(&self) -> &Vec { return &self.childs; } Oct 12 21:20:36.063 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.063 INFO kablam! Oct 12 21:20:36.063 INFO kablam! warning: constant item is never used: `LEVEL_NONE` Oct 12 21:20:36.063 INFO kablam! --> src/logger.rs:1:1 Oct 12 21:20:36.063 INFO kablam! | Oct 12 21:20:36.063 INFO kablam! 1 | const LEVEL_NONE: i32 = 100; Oct 12 21:20:36.063 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.063 INFO kablam! Oct 12 21:20:36.063 INFO kablam! warning: constant item is never used: `LEVEL_WARN` Oct 12 21:20:36.063 INFO kablam! --> src/logger.rs:3:1 Oct 12 21:20:36.063 INFO kablam! | Oct 12 21:20:36.063 INFO kablam! 3 | const LEVEL_WARN: i32 = 1; Oct 12 21:20:36.063 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.064 INFO kablam! Oct 12 21:20:36.064 INFO kablam! warning: constant item is never used: `LEVEL_INFO` Oct 12 21:20:36.064 INFO kablam! --> src/logger.rs:4:1 Oct 12 21:20:36.064 INFO kablam! | Oct 12 21:20:36.064 INFO kablam! 4 | const LEVEL_INFO: i32 = 0; Oct 12 21:20:36.064 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.064 INFO kablam! Oct 12 21:20:36.064 INFO kablam! warning: constant item is never used: `LEVEL_DEBUG` Oct 12 21:20:36.064 INFO kablam! --> src/logger.rs:5:1 Oct 12 21:20:36.064 INFO kablam! | Oct 12 21:20:36.064 INFO kablam! 5 | const LEVEL_DEBUG: i32 = -1; Oct 12 21:20:36.064 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.064 INFO kablam! Oct 12 21:20:36.064 INFO kablam! warning: constant item is never used: `LEVEL_VERY_DEEP_TRACE` Oct 12 21:20:36.064 INFO kablam! --> src/logger.rs:8:1 Oct 12 21:20:36.064 INFO kablam! | Oct 12 21:20:36.064 INFO kablam! 8 | const LEVEL_VERY_DEEP_TRACE: i32 = -4; Oct 12 21:20:36.064 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.064 INFO kablam! Oct 12 21:20:36.064 INFO kablam! warning: method is never used: `warn` Oct 12 21:20:36.064 INFO kablam! --> src/logger.rs:23:2 Oct 12 21:20:36.064 INFO kablam! | Oct 12 21:20:36.064 INFO kablam! 23 | pub fn warn(&self, msg: F) where F: Fn() -> String { self.log("[WARN] ", msg, LEVEL_WARN); } Oct 12 21:20:36.065 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.065 INFO kablam! Oct 12 21:20:36.065 INFO kablam! warning: method is never used: `info` Oct 12 21:20:36.065 INFO kablam! --> src/logger.rs:25:2 Oct 12 21:20:36.065 INFO kablam! | Oct 12 21:20:36.065 INFO kablam! 25 | pub fn info(&self, msg: F) where F: Fn() -> String { self.log("[INFO] ", msg, LEVEL_INFO); } Oct 12 21:20:36.065 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.065 INFO kablam! Oct 12 21:20:36.065 INFO kablam! warning: method is never used: `debug` Oct 12 21:20:36.065 INFO kablam! --> src/logger.rs:27:2 Oct 12 21:20:36.065 INFO kablam! | Oct 12 21:20:36.065 INFO kablam! 27 | pub fn debug(&self, msg: F) where F: Fn() -> String { self.log("[DEBUG] ", msg, LEVEL_DEBUG); } Oct 12 21:20:36.065 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.065 INFO kablam! Oct 12 21:20:36.065 INFO kablam! warning: method is never used: `very_deep_trace` Oct 12 21:20:36.065 INFO kablam! --> src/logger.rs:33:2 Oct 12 21:20:36.065 INFO kablam! | Oct 12 21:20:36.065 INFO kablam! 33 | pub fn very_deep_trace(&self, msg: F) where F: Fn() -> String { self.log("[V_DEEP_TRACE]", msg, LEVEL_VERY_DEEP_TRACE); } Oct 12 21:20:36.065 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.065 INFO kablam! Oct 12 21:20:36.099 INFO kablam! warning: method is never used: `get_int` Oct 12 21:20:36.099 INFO kablam! --> src/arg_parser.rs:35:2 Oct 12 21:20:36.099 INFO kablam! | Oct 12 21:20:36.099 INFO kablam! 35 | pub fn get_int(&self, key: &str) -> Option { Oct 12 21:20:36.099 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.099 INFO kablam! | Oct 12 21:20:36.099 INFO kablam! = note: #[warn(dead_code)] on by default Oct 12 21:20:36.099 INFO kablam! Oct 12 21:20:36.099 INFO kablam! warning: struct is never constructed: `Joined` Oct 12 21:20:36.099 INFO kablam! --> src/game.rs:7:1 Oct 12 21:20:36.099 INFO kablam! | Oct 12 21:20:36.099 INFO kablam! 7 | pub struct Joined { Oct 12 21:20:36.099 INFO kablam! | ^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.099 INFO kablam! Oct 12 21:20:36.099 INFO kablam! warning: method is never used: `as_joined` Oct 12 21:20:36.099 INFO kablam! --> src/xml_utils.rs:103:2 Oct 12 21:20:36.099 INFO kablam! | Oct 12 21:20:36.099 INFO kablam! 103 | pub fn as_joined(&self) -> Joined { Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: method is never used: `get_attributes` Oct 12 21:20:36.100 INFO kablam! --> src/xml_utils.rs:152:2 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 152 | pub fn get_attributes(&self) -> &HashMap> { return &self.attribs; } Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: method is never used: `get_childs` Oct 12 21:20:36.100 INFO kablam! --> src/xml_utils.rs:168:2 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 168 | pub fn get_childs(&self) -> &Vec { return &self.childs; } Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: constant item is never used: `LEVEL_NONE` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:1:1 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 1 | const LEVEL_NONE: i32 = 100; Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: constant item is never used: `LEVEL_WARN` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:3:1 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 3 | const LEVEL_WARN: i32 = 1; Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: constant item is never used: `LEVEL_INFO` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:4:1 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 4 | const LEVEL_INFO: i32 = 0; Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: constant item is never used: `LEVEL_DEBUG` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:5:1 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 5 | const LEVEL_DEBUG: i32 = -1; Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: constant item is never used: `LEVEL_VERY_DEEP_TRACE` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:8:1 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 8 | const LEVEL_VERY_DEEP_TRACE: i32 = -4; Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: method is never used: `warn` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:23:2 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 23 | pub fn warn(&self, msg: F) where F: Fn() -> String { self.log("[WARN] ", msg, LEVEL_WARN); } Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.100 INFO kablam! Oct 12 21:20:36.100 INFO kablam! warning: method is never used: `info` Oct 12 21:20:36.100 INFO kablam! --> src/logger.rs:25:2 Oct 12 21:20:36.100 INFO kablam! | Oct 12 21:20:36.100 INFO kablam! 25 | pub fn info(&self, msg: F) where F: Fn() -> String { self.log("[INFO] ", msg, LEVEL_INFO); } Oct 12 21:20:36.100 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.101 INFO kablam! Oct 12 21:20:36.101 INFO kablam! warning: method is never used: `debug` Oct 12 21:20:36.101 INFO kablam! --> src/logger.rs:27:2 Oct 12 21:20:36.101 INFO kablam! | Oct 12 21:20:36.101 INFO kablam! 27 | pub fn debug(&self, msg: F) where F: Fn() -> String { self.log("[DEBUG] ", msg, LEVEL_DEBUG); } Oct 12 21:20:36.101 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.101 INFO kablam! Oct 12 21:20:36.101 INFO kablam! warning: method is never used: `very_deep_trace` Oct 12 21:20:36.101 INFO kablam! --> src/logger.rs:33:2 Oct 12 21:20:36.101 INFO kablam! | Oct 12 21:20:36.101 INFO kablam! 33 | pub fn very_deep_trace(&self, msg: F) where F: Fn() -> String { self.log("[V_DEEP_TRACE]", msg, LEVEL_VERY_DEEP_TRACE); } Oct 12 21:20:36.101 INFO kablam! | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ Oct 12 21:20:36.101 INFO kablam! Oct 12 21:20:36.119 INFO kablam! Finished dev [unoptimized + debuginfo] target(s) in 0.76s Oct 12 21:20:36.124 INFO kablam! su: No module specific data is present Oct 12 21:20:36.394 INFO running `"docker" "rm" "-f" "2525238e6e8f877b7c6c95be14ad2694c7a3eb9afbc4089fa2fc1b96e578f923"` Oct 12 21:20:36.522 INFO blam! 2525238e6e8f877b7c6c95be14ad2694c7a3eb9afbc4089fa2fc1b96e578f923