Dec 19 16:02:44.140 INFO checking holmgr/gemini against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 16:02:44.140 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56955/worker-3/try#e70472fc501b855c9080f3772432c10fe20b8866:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-56955/sources/try#e70472fc501b855c9080f3772432c10fe20b8866/gh/holmgr/gemini:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+e70472fc501b855c9080f3772432c10fe20b8866-alt" "check" "--frozen" "--all" "--all-targets"`
Dec 19 16:02:44.405 INFO [stdout] 9ee38711df4641f78b68dbf2a69342c8af5573119c0d50142180b34836d41959
Dec 19 16:02:44.437 INFO running `"docker" "start" "-a" "9ee38711df4641f78b68dbf2a69342c8af5573119c0d50142180b34836d41959"`
Dec 19 16:02:45.176 INFO [stderr]    Compiling serde v1.0.71
Dec 19 16:02:45.179 INFO [stderr]     Checking rand v0.5.5
Dec 19 16:02:45.179 INFO [stderr]     Checking fern v0.5.6
Dec 19 16:02:45.179 INFO [stderr]     Checking tui v0.2.3
Dec 19 16:02:45.179 INFO [stderr]     Checking approx v0.2.1
Dec 19 16:02:45.180 INFO [stderr]     Checking num-complex v0.2.0
Dec 19 16:02:45.184 INFO [stderr]     Checking num-complex v0.1.43
Dec 19 16:02:45.184 INFO [stderr]     Checking num-bigint v0.1.44
Dec 19 16:02:46.380 INFO [stderr]     Checking cgmath v0.16.1
Dec 19 16:02:46.717 INFO [stderr]     Checking Inflector v0.11.3
Dec 19 16:02:46.880 INFO [stderr]     Checking rayon v0.9.0
Dec 19 16:02:47.543 INFO [stderr]     Checking alga v0.6.0
Dec 19 16:02:49.517 INFO [stderr]     Checking num-rational v0.1.42
Dec 19 16:02:51.732 INFO [stderr]     Checking num v0.1.42
Dec 19 16:02:55.997 INFO [stderr]     Checking nalgebra v0.15.3
Dec 19 16:03:09.304 INFO [stderr]     Checking bincode v1.0.1
Dec 19 16:03:09.304 INFO [stderr]     Checking serde_json v1.0.26
Dec 19 16:03:09.304 INFO [stderr]     Checking chrono v0.4.5
Dec 19 16:03:09.304 INFO [stderr]     Checking toml v0.4.6
Dec 19 16:03:36.240 INFO [stderr]     Checking spade v1.5.1
Dec 19 16:03:42.088 INFO [stderr]     Checking gemini v0.1.0 (/opt/crater/workdir)
Dec 19 16:03:49.660 INFO [stderr] warning: method is never used: `system_mut`
Dec 19 16:03:49.661 INFO [stderr]   --> src/astronomicals/galaxy.rs:47:5
Dec 19 16:03:49.661 INFO [stderr]    |
Dec 19 16:03:49.661 INFO [stderr] 47 |     pub fn system_mut(&mut self, location: &Point) -> Option<&mut system::System> {
Dec 19 16:03:49.662 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.662 INFO [stderr]    |
Dec 19 16:03:49.662 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:03:49.662 INFO [stderr] 
Dec 19 16:03:49.662 INFO [stderr] warning: method is never used: `systems`
Dec 19 16:03:49.663 INFO [stderr]   --> src/astronomicals/galaxy.rs:52:5
Dec 19 16:03:49.663 INFO [stderr]    |
Dec 19 16:03:49.663 INFO [stderr] 52 |     pub fn systems(&self) -> impl Iterator<Item = &System> {
Dec 19 16:03:49.663 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.664 INFO [stderr] 
Dec 19 16:03:49.664 INFO [stderr] warning: method is never used: `systems_mut`
Dec 19 16:03:49.664 INFO [stderr]   --> src/astronomicals/galaxy.rs:57:5
Dec 19 16:03:49.664 INFO [stderr]    |
Dec 19 16:03:49.664 INFO [stderr] 57 |     pub fn systems_mut(&mut self) -> impl Iterator<Item = &mut System> {
Dec 19 16:03:49.665 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.665 INFO [stderr] 
Dec 19 16:03:49.665 INFO [stderr] warning: method is never used: `agents`
Dec 19 16:03:49.665 INFO [stderr]   --> src/economy/market.rs:35:5
Dec 19 16:03:49.666 INFO [stderr]    |
Dec 19 16:03:49.666 INFO [stderr] 35 |     pub fn agents(&self) -> &Vec<Arc<Mutex<Agent>>> {
Dec 19 16:03:49.666 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.666 INFO [stderr] 
Dec 19 16:03:49.667 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:49.667 INFO [stderr]   --> src/gui/tab/market.rs:23:5
Dec 19 16:03:49.667 INFO [stderr]    |
Dec 19 16:03:49.667 INFO [stderr] 23 |     sender: Sender<Event>,
Dec 19 16:03:49.667 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.667 INFO [stderr] 
Dec 19 16:03:49.667 INFO [stderr] warning: field is never used: `state`
Dec 19 16:03:49.667 INFO [stderr]  --> src/gui/tab/mission.rs:5:5
Dec 19 16:03:49.667 INFO [stderr]   |
Dec 19 16:03:49.667 INFO [stderr] 5 |     state: Arc<Game>,
Dec 19 16:03:49.667 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 16:03:49.667 INFO [stderr] 
Dec 19 16:03:49.667 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:49.667 INFO [stderr]  --> src/gui/tab/mission.rs:6:5
Dec 19 16:03:49.667 INFO [stderr]   |
Dec 19 16:03:49.667 INFO [stderr] 6 |     sender: Sender<Event>,
Dec 19 16:03:49.667 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.667 INFO [stderr] 
Dec 19 16:03:49.667 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:49.667 INFO [stderr]   --> src/gui/tab/shipyard.rs:16:5
Dec 19 16:03:49.667 INFO [stderr]    |
Dec 19 16:03:49.667 INFO [stderr] 16 |     sender: Sender<Event>,
Dec 19 16:03:49.667 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.667 INFO [stderr] 
Dec 19 16:03:49.668 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:49.668 INFO [stderr]   --> src/gui/tab/status.rs:13:5
Dec 19 16:03:49.668 INFO [stderr]    |
Dec 19 16:03:49.668 INFO [stderr] 13 |     sender: Sender<Event>,
Dec 19 16:03:49.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.668 INFO [stderr] 
Dec 19 16:03:49.668 INFO [stderr] warning: field is never used: `send_handle`
Dec 19 16:03:49.668 INFO [stderr]   --> src/gui/tab/systemmap.rs:26:5
Dec 19 16:03:49.668 INFO [stderr]    |
Dec 19 16:03:49.668 INFO [stderr] 26 |     send_handle: Sender<Event>,
Dec 19 16:03:49.668 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.668 INFO [stderr] 
Dec 19 16:03:49.672 INFO [stderr] warning: method is never used: `ship_mut`
Dec 19 16:03:49.672 INFO [stderr]   --> src/player.rs:96:5
Dec 19 16:03:49.672 INFO [stderr]    |
Dec 19 16:03:49.672 INFO [stderr] 96 |     pub fn ship_mut(&mut self) -> &mut Option<Ship> {
Dec 19 16:03:49.672 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.672 INFO [stderr] 
Dec 19 16:03:49.723 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:49.723 INFO [stderr]   --> src/game.rs:91:13
Dec 19 16:03:49.723 INFO [stderr]    |
Dec 19 16:03:49.723 INFO [stderr] 91 |             serialize_into(&mut galaxy_file, &(*self.galaxy.lock().unwrap()));
Dec 19 16:03:49.723 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.723 INFO [stderr]    |
Dec 19 16:03:49.723 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:03:49.723 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:49.723 INFO [stderr] 
Dec 19 16:03:49.723 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:49.723 INFO [stderr]   --> src/game.rs:94:13
Dec 19 16:03:49.723 INFO [stderr]    |
Dec 19 16:03:49.723 INFO [stderr] 94 |             serialize_into(&mut player_file, &(*self.player.lock().unwrap()));
Dec 19 16:03:49.723 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.723 INFO [stderr]    |
Dec 19 16:03:49.723 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:49.723 INFO [stderr] 
Dec 19 16:03:49.723 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:49.723 INFO [stderr]   --> src/game.rs:97:13
Dec 19 16:03:49.723 INFO [stderr]    |
Dec 19 16:03:49.723 INFO [stderr] 97 |             serialize_into(&mut economy_file, &(*self.economy.lock().unwrap()));
Dec 19 16:03:49.723 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.723 INFO [stderr]    |
Dec 19 16:03:49.723 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:49.723 INFO [stderr] 
Dec 19 16:03:49.723 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:49.723 INFO [stderr]    --> src/game.rs:100:13
Dec 19 16:03:49.723 INFO [stderr]     |
Dec 19 16:03:49.723 INFO [stderr] 100 |             serialize_into(&mut update_file, &(*self.updated.lock().unwrap()));
Dec 19 16:03:49.723 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.723 INFO [stderr]     |
Dec 19 16:03:49.724 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:49.724 INFO [stderr] 
Dec 19 16:03:49.724 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:49.724 INFO [stderr]    --> src/game.rs:113:13
Dec 19 16:03:49.724 INFO [stderr]     |
Dec 19 16:03:49.724 INFO [stderr] 113 |             serialize_into(&mut player_file, &(*self.player.lock().unwrap()));
Dec 19 16:03:49.724 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:49.724 INFO [stderr]     |
Dec 19 16:03:49.724 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:49.724 INFO [stderr] 
Dec 19 16:03:50.704 INFO [stderr] warning: method is never used: `system_mut`
Dec 19 16:03:50.704 INFO [stderr]   --> src/astronomicals/galaxy.rs:47:5
Dec 19 16:03:50.704 INFO [stderr]    |
Dec 19 16:03:50.704 INFO [stderr] 47 |     pub fn system_mut(&mut self, location: &Point) -> Option<&mut system::System> {
Dec 19 16:03:50.704 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.704 INFO [stderr]    |
Dec 19 16:03:50.704 INFO [stderr]    = note: #[warn(dead_code)] on by default
Dec 19 16:03:50.704 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: method is never used: `systems`
Dec 19 16:03:50.705 INFO [stderr]   --> src/astronomicals/galaxy.rs:52:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 52 |     pub fn systems(&self) -> impl Iterator<Item = &System> {
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: method is never used: `systems_mut`
Dec 19 16:03:50.705 INFO [stderr]   --> src/astronomicals/galaxy.rs:57:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 57 |     pub fn systems_mut(&mut self) -> impl Iterator<Item = &mut System> {
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: method is never used: `agents`
Dec 19 16:03:50.705 INFO [stderr]   --> src/economy/market.rs:35:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 35 |     pub fn agents(&self) -> &Vec<Arc<Mutex<Agent>>> {
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:50.705 INFO [stderr]   --> src/gui/tab/market.rs:23:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 23 |     sender: Sender<Event>,
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: field is never used: `state`
Dec 19 16:03:50.705 INFO [stderr]  --> src/gui/tab/mission.rs:5:5
Dec 19 16:03:50.705 INFO [stderr]   |
Dec 19 16:03:50.705 INFO [stderr] 5 |     state: Arc<Game>,
Dec 19 16:03:50.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:50.705 INFO [stderr]  --> src/gui/tab/mission.rs:6:5
Dec 19 16:03:50.705 INFO [stderr]   |
Dec 19 16:03:50.705 INFO [stderr] 6 |     sender: Sender<Event>,
Dec 19 16:03:50.705 INFO [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:50.705 INFO [stderr]   --> src/gui/tab/shipyard.rs:16:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 16 |     sender: Sender<Event>,
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: field is never used: `sender`
Dec 19 16:03:50.705 INFO [stderr]   --> src/gui/tab/status.rs:13:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 13 |     sender: Sender<Event>,
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: field is never used: `send_handle`
Dec 19 16:03:50.705 INFO [stderr]   --> src/gui/tab/systemmap.rs:26:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 26 |     send_handle: Sender<Event>,
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.705 INFO [stderr] warning: method is never used: `ship_mut`
Dec 19 16:03:50.705 INFO [stderr]   --> src/player.rs:96:5
Dec 19 16:03:50.705 INFO [stderr]    |
Dec 19 16:03:50.705 INFO [stderr] 96 |     pub fn ship_mut(&mut self) -> &mut Option<Ship> {
Dec 19 16:03:50.705 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.705 INFO [stderr] 
Dec 19 16:03:50.736 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:50.736 INFO [stderr]   --> src/game.rs:91:13
Dec 19 16:03:50.736 INFO [stderr]    |
Dec 19 16:03:50.736 INFO [stderr] 91 |             serialize_into(&mut galaxy_file, &(*self.galaxy.lock().unwrap()));
Dec 19 16:03:50.736 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.736 INFO [stderr]    |
Dec 19 16:03:50.736 INFO [stderr]    = note: #[warn(unused_must_use)] on by default
Dec 19 16:03:50.736 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:50.736 INFO [stderr] 
Dec 19 16:03:50.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:50.737 INFO [stderr]   --> src/game.rs:94:13
Dec 19 16:03:50.737 INFO [stderr]    |
Dec 19 16:03:50.737 INFO [stderr] 94 |             serialize_into(&mut player_file, &(*self.player.lock().unwrap()));
Dec 19 16:03:50.737 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.737 INFO [stderr]    |
Dec 19 16:03:50.737 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:50.737 INFO [stderr] 
Dec 19 16:03:50.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:50.737 INFO [stderr]   --> src/game.rs:97:13
Dec 19 16:03:50.737 INFO [stderr]    |
Dec 19 16:03:50.737 INFO [stderr] 97 |             serialize_into(&mut economy_file, &(*self.economy.lock().unwrap()));
Dec 19 16:03:50.737 INFO [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.737 INFO [stderr]    |
Dec 19 16:03:50.737 INFO [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:50.737 INFO [stderr] 
Dec 19 16:03:50.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:50.737 INFO [stderr]    --> src/game.rs:100:13
Dec 19 16:03:50.737 INFO [stderr]     |
Dec 19 16:03:50.737 INFO [stderr] 100 |             serialize_into(&mut update_file, &(*self.updated.lock().unwrap()));
Dec 19 16:03:50.737 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.737 INFO [stderr]     |
Dec 19 16:03:50.737 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:50.737 INFO [stderr] 
Dec 19 16:03:50.737 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 16:03:50.737 INFO [stderr]    --> src/game.rs:113:13
Dec 19 16:03:50.737 INFO [stderr]     |
Dec 19 16:03:50.737 INFO [stderr] 113 |             serialize_into(&mut player_file, &(*self.player.lock().unwrap()));
Dec 19 16:03:50.737 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 16:03:50.737 INFO [stderr]     |
Dec 19 16:03:50.737 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 16:03:50.737 INFO [stderr] 
Dec 19 16:03:50.896 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 05s
Dec 19 16:03:52.120 INFO running `"docker" "inspect" "9ee38711df4641f78b68dbf2a69342c8af5573119c0d50142180b34836d41959"`
Dec 19 16:03:52.574 INFO running `"docker" "rm" "-f" "9ee38711df4641f78b68dbf2a69342c8af5573119c0d50142180b34836d41959"`
Dec 19 16:03:52.944 INFO [stdout] 9ee38711df4641f78b68dbf2a69342c8af5573119c0d50142180b34836d41959