Dec 19 12:26:37.010 INFO checking moritayasuaki/mahj against try#e70472fc501b855c9080f3772432c10fe20b8866 for pr-56955
Dec 19 12:26:37.010 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/moritayasuaki/mahj:/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 12:26:37.488 INFO [stdout] 9aa845f4869db5e70b2413375a9a0b8d6409e133942d14a5bab35e23c93a726b
Dec 19 12:26:37.490 INFO running `"docker" "start" "-a" "9aa845f4869db5e70b2413375a9a0b8d6409e133942d14a5bab35e23c93a726b"`
Dec 19 12:26:38.609 INFO [stderr]     Checking futures-await-await-macro v0.1.1
Dec 19 12:26:38.609 INFO [stderr]    Compiling syn v0.14.9
Dec 19 12:27:00.798 INFO [stderr]    Compiling synstructure v0.9.0
Dec 19 12:27:00.800 INFO [stderr]    Compiling futures-await-async-macro v0.1.4
Dec 19 12:27:11.038 INFO [stderr]    Compiling failure_derive v0.1.2
Dec 19 12:27:11.886 INFO [stderr]     Checking futures-await v0.1.1
Dec 19 12:27:14.108 INFO [stderr]     Checking failure v0.1.2
Dec 19 12:27:14.625 INFO [stderr]     Checking mahj v0.1.0 (/opt/crater/workdir)
Dec 19 12:27:15.232 INFO [stderr] warning: unused import: `std`
Dec 19 12:27:15.233 INFO [stderr]  --> src/table.rs:1:5
Dec 19 12:27:15.233 INFO [stderr]   |
Dec 19 12:27:15.233 INFO [stderr] 1 | use std;
Dec 19 12:27:15.233 INFO [stderr]   |     ^^^
Dec 19 12:27:15.233 INFO [stderr]   |
Dec 19 12:27:15.234 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:27:15.234 INFO [stderr] 
Dec 19 12:27:15.234 INFO [stderr] warning: unused import: `std::mem`
Dec 19 12:27:15.234 INFO [stderr]  --> src/table.rs:5:5
Dec 19 12:27:15.234 INFO [stderr]   |
Dec 19 12:27:15.234 INFO [stderr] 5 | use std::mem;
Dec 19 12:27:15.234 INFO [stderr]   |     ^^^^^^^^
Dec 19 12:27:15.234 INFO [stderr] 
Dec 19 12:27:15.234 INFO [stderr] warning: unused import: `std`
Dec 19 12:27:15.235 INFO [stderr]  --> src/game.rs:8:5
Dec 19 12:27:15.235 INFO [stderr]   |
Dec 19 12:27:15.235 INFO [stderr] 8 | use std;
Dec 19 12:27:15.235 INFO [stderr]   |     ^^^
Dec 19 12:27:15.240 INFO [stderr] 
Dec 19 12:27:15.240 INFO [stderr] warning: unused import: `BufRead`
Dec 19 12:27:15.240 INFO [stderr]  --> src/game.rs:9:15
Dec 19 12:27:15.240 INFO [stderr]   |
Dec 19 12:27:15.240 INFO [stderr] 9 | use std::io::{BufRead, Write};
Dec 19 12:27:15.240 INFO [stderr]   |               ^^^^^^^
Dec 19 12:27:15.240 INFO [stderr] 
Dec 19 12:27:15.400 INFO [stderr] warning: unused import: `std`
Dec 19 12:27:15.400 INFO [stderr]  --> src/table.rs:1:5
Dec 19 12:27:15.400 INFO [stderr]   |
Dec 19 12:27:15.400 INFO [stderr] 1 | use std;
Dec 19 12:27:15.400 INFO [stderr]   |     ^^^
Dec 19 12:27:15.400 INFO [stderr]   |
Dec 19 12:27:15.400 INFO [stderr]   = note: #[warn(unused_imports)] on by default
Dec 19 12:27:15.400 INFO [stderr] 
Dec 19 12:27:15.400 INFO [stderr] warning: unused import: `std::mem`
Dec 19 12:27:15.400 INFO [stderr]  --> src/table.rs:5:5
Dec 19 12:27:15.400 INFO [stderr]   |
Dec 19 12:27:15.400 INFO [stderr] 5 | use std::mem;
Dec 19 12:27:15.401 INFO [stderr]   |     ^^^^^^^^
Dec 19 12:27:15.401 INFO [stderr] 
Dec 19 12:27:15.403 INFO [stderr] warning: unused import: `std`
Dec 19 12:27:15.404 INFO [stderr]  --> src/game.rs:8:5
Dec 19 12:27:15.404 INFO [stderr]   |
Dec 19 12:27:15.404 INFO [stderr] 8 | use std;
Dec 19 12:27:15.404 INFO [stderr]   |     ^^^
Dec 19 12:27:15.405 INFO [stderr] 
Dec 19 12:27:15.405 INFO [stderr] warning: unused import: `BufRead`
Dec 19 12:27:15.405 INFO [stderr]  --> src/game.rs:9:15
Dec 19 12:27:15.405 INFO [stderr]   |
Dec 19 12:27:15.405 INFO [stderr] 9 | use std::io::{BufRead, Write};
Dec 19 12:27:15.405 INFO [stderr]   |               ^^^^^^^
Dec 19 12:27:15.405 INFO [stderr] 
Dec 19 12:27:15.907 INFO [stderr] warning: unused variable: `s`
Dec 19 12:27:15.907 INFO [stderr]    --> src/game.rs:241:17
Dec 19 12:27:15.907 INFO [stderr]     |
Dec 19 12:27:15.907 INFO [stderr] 241 |         let mut s = String::new();
Dec 19 12:27:15.907 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 19 12:27:15.907 INFO [stderr]     |
Dec 19 12:27:15.916 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:27:15.916 INFO [stderr] 
Dec 19 12:27:15.916 INFO [stderr] warning: unused variable: `riichi`
Dec 19 12:27:15.916 INFO [stderr]    --> src/game.rs:332:37
Dec 19 12:27:15.916 INFO [stderr]     |
Dec 19 12:27:15.916 INFO [stderr] 332 |             Choice::Discard{figure, riichi} => {
Dec 19 12:27:15.916 INFO [stderr]     |                                     ^^^^^^ help: try ignoring the field: `riichi: _`
Dec 19 12:27:15.916 INFO [stderr] 
Dec 19 12:27:15.916 INFO [stderr] warning: unused variable: `riichi`
Dec 19 12:27:15.916 INFO [stderr]    --> src/game.rs:339:36
Dec 19 12:27:15.916 INFO [stderr]     |
Dec 19 12:27:15.916 INFO [stderr] 339 |             Choice::DrawAndDiscard{riichi} => {
Dec 19 12:27:15.916 INFO [stderr]     |                                    ^^^^^^ help: try ignoring the field: `riichi: _`
Dec 19 12:27:15.916 INFO [stderr] 
Dec 19 12:27:15.916 INFO [stderr] warning: unused variable: `i`
Dec 19 12:27:15.916 INFO [stderr]    --> src/game.rs:352:33
Dec 19 12:27:15.916 INFO [stderr]     |
Dec 19 12:27:15.916 INFO [stderr] 352 |                 if let Some((t, i)) = self.adding_kong_extract(figure) {
Dec 19 12:27:15.916 INFO [stderr]     |                                 ^ help: consider using `_i` instead
Dec 19 12:27:15.916 INFO [stderr] 
Dec 19 12:27:15.916 INFO [stderr] warning: unused variable: `ts`
Dec 19 12:27:15.916 INFO [stderr]    --> src/game.rs:356:29
Dec 19 12:27:15.916 INFO [stderr]     |
Dec 19 12:27:15.916 INFO [stderr] 356 |                 if let Some(ts) = self.land.extract_set(Set::from_shape_figure(Shape::KONG, figure)) {
Dec 19 12:27:15.916 INFO [stderr]     |                             ^^ help: consider using `_ts` instead
Dec 19 12:27:15.916 INFO [stderr] 
Dec 19 12:27:15.916 INFO [stderr] warning: unused variable: `t`
Dec 19 12:27:15.916 INFO [stderr]    --> src/game.rs:359:29
Dec 19 12:27:15.916 INFO [stderr]     |
Dec 19 12:27:15.916 INFO [stderr] 359 |                 if let Some(t) = self.land.extract(figure) {
Dec 19 12:27:15.916 INFO [stderr]     |                             ^ help: consider using `_t` instead
Dec 19 12:27:15.916 INFO [stderr] 
Dec 19 12:27:15.916 INFO [stderr] warning: unused variable: `expose`
Dec 19 12:27:15.916 INFO [stderr]    --> src/game.rs:399:43
Dec 19 12:27:15.916 INFO [stderr]     |
Dec 19 12:27:15.924 INFO [stderr] 399 |     pub fn replace(&mut self, seat: Wind, expose: bool) -> Result<Step, failure::Error> {
Dec 19 12:27:15.924 INFO [stderr]     |                                           ^^^^^^ help: consider using `_expose` instead
Dec 19 12:27:15.924 INFO [stderr] 
Dec 19 12:27:15.924 INFO [stderr] warning: unused variable: `seat`
Dec 19 12:27:15.924 INFO [stderr]    --> src/game.rs:458:31
Dec 19 12:27:15.924 INFO [stderr]     |
Dec 19 12:27:15.924 INFO [stderr] 458 |     pub fn discard(&mut self, seat: Wind) -> Result<Step, failure::Error> {
Dec 19 12:27:15.924 INFO [stderr]     |                               ^^^^ help: consider using `_seat` instead
Dec 19 12:27:15.924 INFO [stderr] 
Dec 19 12:27:16.116 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:27:16.116 INFO [stderr]    --> src/game.rs:241:13
Dec 19 12:27:16.116 INFO [stderr]     |
Dec 19 12:27:16.116 INFO [stderr] 241 |         let mut s = String::new();
Dec 19 12:27:16.116 INFO [stderr]     |             ----^
Dec 19 12:27:16.116 INFO [stderr]     |             |
Dec 19 12:27:16.116 INFO [stderr]     |             help: remove this `mut`
Dec 19 12:27:16.116 INFO [stderr]     |
Dec 19 12:27:16.116 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:27:16.124 INFO [stderr] 
Dec 19 12:27:16.196 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 12:27:16.197 INFO [stderr]    --> src/tile.rs:188:5
Dec 19 12:27:16.197 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 188 |     pub fn is_empty(&self) -> bool {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `clear`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:194:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 194 |     pub fn clear(&mut self) {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `new`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:436:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 436 |     pub fn new() -> Self {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:439:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 439 |     pub fn is_empty(&self) -> bool {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `count`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:442:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 442 |     pub fn count(&self) -> usize {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `next`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:445:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 445 |     pub fn next(&mut self) -> Option<Suit> {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: struct is never constructed: `SuitTiles`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:457:1
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 457 | pub struct SuitTiles(u64);
Dec 19 12:27:16.198 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `raw`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:460:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 460 |     pub fn raw(self) -> usize {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `from_raw`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:463:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.198 INFO [stderr] 463 |     pub fn from_raw(raw: usize) -> Self {
Dec 19 12:27:16.198 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.198 INFO [stderr] 
Dec 19 12:27:16.198 INFO [stderr] warning: method is never used: `new`
Dec 19 12:27:16.198 INFO [stderr]    --> src/tile.rs:466:5
Dec 19 12:27:16.198 INFO [stderr]     |
Dec 19 12:27:16.199 INFO [stderr] 466 |     pub fn new() -> Self {
Dec 19 12:27:16.199 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.199 INFO [stderr] 
Dec 19 12:27:16.199 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 12:27:16.199 INFO [stderr]    --> src/tile.rs:469:5
Dec 19 12:27:16.199 INFO [stderr]     |
Dec 19 12:27:16.199 INFO [stderr] 469 |     pub fn is_empty(&self) -> bool {
Dec 19 12:27:16.199 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.199 INFO [stderr] 
Dec 19 12:27:16.199 INFO [stderr] warning: method is never used: `suit`
Dec 19 12:27:16.199 INFO [stderr]    --> src/tile.rs:472:5
Dec 19 12:27:16.199 INFO [stderr]     |
Dec 19 12:27:16.199 INFO [stderr] 472 |     pub fn suit(&self) -> Suit {
Dec 19 12:27:16.199 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.199 INFO [stderr] 
Dec 19 12:27:16.204 INFO [stderr] warning: method is never used: `singleton`
Dec 19 12:27:16.204 INFO [stderr]    --> src/tile.rs:475:5
Dec 19 12:27:16.204 INFO [stderr]     |
Dec 19 12:27:16.204 INFO [stderr] 475 |     pub fn singleton(tile: Tile) -> Self {
Dec 19 12:27:16.204 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.204 INFO [stderr] 
Dec 19 12:27:16.205 INFO [stderr] warning: method is never used: `payment`
Dec 19 12:27:16.205 INFO [stderr]   --> src/game.rs:28:5
Dec 19 12:27:16.205 INFO [stderr]    |
Dec 19 12:27:16.205 INFO [stderr] 28 |     pub fn payment(&mut self, payer: usize, receiver: usize, points: isize) {
Dec 19 12:27:16.206 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.206 INFO [stderr] 
Dec 19 12:27:16.206 INFO [stderr] warning: field is never used: `sticks`
Dec 19 12:27:16.206 INFO [stderr]   --> src/game.rs:39:5
Dec 19 12:27:16.206 INFO [stderr]    |
Dec 19 12:27:16.206 INFO [stderr] 39 |     sticks: &'a mut Sticks,
Dec 19 12:27:16.206 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.206 INFO [stderr] 
Dec 19 12:27:16.206 INFO [stderr] warning: field is never used: `round`
Dec 19 12:27:16.206 INFO [stderr]   --> src/game.rs:40:5
Dec 19 12:27:16.206 INFO [stderr]    |
Dec 19 12:27:16.206 INFO [stderr] 40 |     round: Wind,
Dec 19 12:27:16.206 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 12:27:16.206 INFO [stderr] 
Dec 19 12:27:16.206 INFO [stderr] warning: field is never used: `dice`
Dec 19 12:27:16.206 INFO [stderr]   --> src/game.rs:41:5
Dec 19 12:27:16.206 INFO [stderr]    |
Dec 19 12:27:16.206 INFO [stderr] 41 |     dice: Dice,
Dec 19 12:27:16.206 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 12:27:16.206 INFO [stderr] 
Dec 19 12:27:16.206 INFO [stderr] warning: method is never used: `run_match`
Dec 19 12:27:16.206 INFO [stderr]   --> src/game.rs:72:5
Dec 19 12:27:16.206 INFO [stderr]    |
Dec 19 12:27:16.206 INFO [stderr] 72 |     pub fn run_match(&mut self) -> Result<[isize; 4], failure::Error> {
Dec 19 12:27:16.206 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.206 INFO [stderr] 
Dec 19 12:27:16.206 INFO [stderr] warning: method is never used: `run_eastmatch`
Dec 19 12:27:16.206 INFO [stderr]   --> src/game.rs:94:5
Dec 19 12:27:16.207 INFO [stderr]    |
Dec 19 12:27:16.207 INFO [stderr] 94 |     pub fn run_eastmatch(&mut self) -> Result<[isize; 4], failure::Error> {
Dec 19 12:27:16.207 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.207 INFO [stderr] 
Dec 19 12:27:16.207 INFO [stderr] warning: method is never used: `shuffle`
Dec 19 12:27:16.207 INFO [stderr]   --> src/dice.rs:13:5
Dec 19 12:27:16.207 INFO [stderr]    |
Dec 19 12:27:16.207 INFO [stderr] 13 |     pub fn shuffle(&mut self) {
Dec 19 12:27:16.207 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.207 INFO [stderr] 
Dec 19 12:27:16.217 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.217 INFO [stderr]    --> src/game.rs:233:9
Dec 19 12:27:16.217 INFO [stderr]     |
Dec 19 12:27:16.217 INFO [stderr] 233 |         writeln!(player, "{}家 ツモ番", self.wind.show());
Dec 19 12:27:16.217 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.217 INFO [stderr]     |
Dec 19 12:27:16.217 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:27:16.217 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.217 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.218 INFO [stderr] 
Dec 19 12:27:16.218 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.218 INFO [stderr]    --> src/game.rs:235:13
Dec 19 12:27:16.218 INFO [stderr]     |
Dec 19 12:27:16.218 INFO [stderr] 235 |             write!(player, "{}", tile.figure().show());
Dec 19 12:27:16.218 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.218 INFO [stderr]     |
Dec 19 12:27:16.218 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.218 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.219 INFO [stderr] 
Dec 19 12:27:16.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.219 INFO [stderr]    --> src/game.rs:237:9
Dec 19 12:27:16.219 INFO [stderr]     |
Dec 19 12:27:16.219 INFO [stderr] 237 |         writeln!(player, " {}", drawn.figure().show());
Dec 19 12:27:16.219 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.219 INFO [stderr]     |
Dec 19 12:27:16.219 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.219 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.219 INFO [stderr] 
Dec 19 12:27:16.219 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.220 INFO [stderr]    --> src/game.rs:245:9
Dec 19 12:27:16.220 INFO [stderr]     |
Dec 19 12:27:16.220 INFO [stderr] 245 |         writeln!(player, "{}家 鳴き番", s.show());
Dec 19 12:27:16.220 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.220 INFO [stderr]     |
Dec 19 12:27:16.220 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.220 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.220 INFO [stderr] 
Dec 19 12:27:16.221 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.221 INFO [stderr]    --> src/game.rs:247:13
Dec 19 12:27:16.221 INFO [stderr]     |
Dec 19 12:27:16.221 INFO [stderr] 247 |             write!(player, "{}家河", o.show());
Dec 19 12:27:16.221 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.222 INFO [stderr]     |
Dec 19 12:27:16.222 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.222 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.222 INFO [stderr] 
Dec 19 12:27:16.222 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.222 INFO [stderr]    --> src/game.rs:249:17
Dec 19 12:27:16.222 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 249 |                 write!(player, "{}", d.tile().figure().show());
Dec 19 12:27:16.223 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.223 INFO [stderr]    --> src/game.rs:251:13
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 251 |             writeln!(player, "");
Dec 19 12:27:16.223 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.223 INFO [stderr]    --> src/game.rs:253:9
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 253 |         write!(player, "{}家河", s.show());
Dec 19 12:27:16.223 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.223 INFO [stderr]    --> src/game.rs:255:13
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 255 |             write!(player, "{}", d.tile().figure().show());
Dec 19 12:27:16.223 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.223 INFO [stderr]    --> src/game.rs:257:9
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 257 |         writeln!(player, "");
Dec 19 12:27:16.223 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.223 INFO [stderr]    --> src/game.rs:260:13
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 260 |             write!(player, "{}", tile.figure().show());
Dec 19 12:27:16.223 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.223 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.223 INFO [stderr]    --> src/game.rs:262:9
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr] 262 |         writeln!(player, "");
Dec 19 12:27:16.223 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.223 INFO [stderr]     |
Dec 19 12:27:16.223 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.223 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.223 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `s`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:241:17
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 241 |         let mut s = String::new();
Dec 19 12:27:16.264 INFO [stderr]     |                 ^ help: consider using `_s` instead
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr]     = note: #[warn(unused_variables)] on by default
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `riichi`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:332:37
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 332 |             Choice::Discard{figure, riichi} => {
Dec 19 12:27:16.264 INFO [stderr]     |                                     ^^^^^^ help: try ignoring the field: `riichi: _`
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `riichi`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:339:36
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 339 |             Choice::DrawAndDiscard{riichi} => {
Dec 19 12:27:16.264 INFO [stderr]     |                                    ^^^^^^ help: try ignoring the field: `riichi: _`
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `i`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:352:33
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 352 |                 if let Some((t, i)) = self.adding_kong_extract(figure) {
Dec 19 12:27:16.264 INFO [stderr]     |                                 ^ help: consider using `_i` instead
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `ts`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:356:29
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 356 |                 if let Some(ts) = self.land.extract_set(Set::from_shape_figure(Shape::KONG, figure)) {
Dec 19 12:27:16.264 INFO [stderr]     |                             ^^ help: consider using `_ts` instead
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `t`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:359:29
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 359 |                 if let Some(t) = self.land.extract(figure) {
Dec 19 12:27:16.264 INFO [stderr]     |                             ^ help: consider using `_t` instead
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `expose`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:399:43
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.264 INFO [stderr] 399 |     pub fn replace(&mut self, seat: Wind, expose: bool) -> Result<Step, failure::Error> {
Dec 19 12:27:16.264 INFO [stderr]     |                                           ^^^^^^ help: consider using `_expose` instead
Dec 19 12:27:16.264 INFO [stderr] 
Dec 19 12:27:16.264 INFO [stderr] warning: unused variable: `seat`
Dec 19 12:27:16.264 INFO [stderr]    --> src/game.rs:458:31
Dec 19 12:27:16.264 INFO [stderr]     |
Dec 19 12:27:16.265 INFO [stderr] 458 |     pub fn discard(&mut self, seat: Wind) -> Result<Step, failure::Error> {
Dec 19 12:27:16.265 INFO [stderr]     |                               ^^^^ help: consider using `_seat` instead
Dec 19 12:27:16.268 INFO [stderr] 
Dec 19 12:27:16.424 INFO [stderr] warning: variable does not need to be mutable
Dec 19 12:27:16.424 INFO [stderr]    --> src/game.rs:241:13
Dec 19 12:27:16.424 INFO [stderr]     |
Dec 19 12:27:16.424 INFO [stderr] 241 |         let mut s = String::new();
Dec 19 12:27:16.424 INFO [stderr]     |             ----^
Dec 19 12:27:16.424 INFO [stderr]     |             |
Dec 19 12:27:16.424 INFO [stderr]     |             help: remove this `mut`
Dec 19 12:27:16.424 INFO [stderr]     |
Dec 19 12:27:16.424 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 19 12:27:16.424 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:188:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 188 |     pub fn is_empty(&self) -> bool {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `clear`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:194:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 194 |     pub fn clear(&mut self) {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `new`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:436:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 436 |     pub fn new() -> Self {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:439:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 439 |     pub fn is_empty(&self) -> bool {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `count`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:442:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 442 |     pub fn count(&self) -> usize {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `next`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:445:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 445 |     pub fn next(&mut self) -> Option<Suit> {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: struct is never constructed: `SuitTiles`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:457:1
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 457 | pub struct SuitTiles(u64);
Dec 19 12:27:16.468 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `raw`
Dec 19 12:27:16.468 INFO [stderr]    --> src/tile.rs:460:5
Dec 19 12:27:16.468 INFO [stderr]     |
Dec 19 12:27:16.468 INFO [stderr] 460 |     pub fn raw(self) -> usize {
Dec 19 12:27:16.468 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.468 INFO [stderr] 
Dec 19 12:27:16.468 INFO [stderr] warning: method is never used: `from_raw`
Dec 19 12:27:16.469 INFO [stderr]    --> src/tile.rs:463:5
Dec 19 12:27:16.469 INFO [stderr]     |
Dec 19 12:27:16.469 INFO [stderr] 463 |     pub fn from_raw(raw: usize) -> Self {
Dec 19 12:27:16.469 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `new`
Dec 19 12:27:16.469 INFO [stderr]    --> src/tile.rs:466:5
Dec 19 12:27:16.469 INFO [stderr]     |
Dec 19 12:27:16.469 INFO [stderr] 466 |     pub fn new() -> Self {
Dec 19 12:27:16.469 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `is_empty`
Dec 19 12:27:16.469 INFO [stderr]    --> src/tile.rs:469:5
Dec 19 12:27:16.469 INFO [stderr]     |
Dec 19 12:27:16.469 INFO [stderr] 469 |     pub fn is_empty(&self) -> bool {
Dec 19 12:27:16.469 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `suit`
Dec 19 12:27:16.469 INFO [stderr]    --> src/tile.rs:472:5
Dec 19 12:27:16.469 INFO [stderr]     |
Dec 19 12:27:16.469 INFO [stderr] 472 |     pub fn suit(&self) -> Suit {
Dec 19 12:27:16.469 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `singleton`
Dec 19 12:27:16.469 INFO [stderr]    --> src/tile.rs:475:5
Dec 19 12:27:16.469 INFO [stderr]     |
Dec 19 12:27:16.469 INFO [stderr] 475 |     pub fn singleton(tile: Tile) -> Self {
Dec 19 12:27:16.469 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `payment`
Dec 19 12:27:16.469 INFO [stderr]   --> src/game.rs:28:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 28 |     pub fn payment(&mut self, payer: usize, receiver: usize, points: isize) {
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: field is never used: `sticks`
Dec 19 12:27:16.469 INFO [stderr]   --> src/game.rs:39:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 39 |     sticks: &'a mut Sticks,
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: field is never used: `round`
Dec 19 12:27:16.469 INFO [stderr]   --> src/game.rs:40:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 40 |     round: Wind,
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: field is never used: `dice`
Dec 19 12:27:16.469 INFO [stderr]   --> src/game.rs:41:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 41 |     dice: Dice,
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `run_match`
Dec 19 12:27:16.469 INFO [stderr]   --> src/game.rs:72:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 72 |     pub fn run_match(&mut self) -> Result<[isize; 4], failure::Error> {
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `run_eastmatch`
Dec 19 12:27:16.469 INFO [stderr]   --> src/game.rs:94:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 94 |     pub fn run_eastmatch(&mut self) -> Result<[isize; 4], failure::Error> {
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.469 INFO [stderr] warning: method is never used: `shuffle`
Dec 19 12:27:16.469 INFO [stderr]   --> src/dice.rs:13:5
Dec 19 12:27:16.469 INFO [stderr]    |
Dec 19 12:27:16.469 INFO [stderr] 13 |     pub fn shuffle(&mut self) {
Dec 19 12:27:16.469 INFO [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.469 INFO [stderr] 
Dec 19 12:27:16.472 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.472 INFO [stderr]    --> src/game.rs:233:9
Dec 19 12:27:16.472 INFO [stderr]     |
Dec 19 12:27:16.472 INFO [stderr] 233 |         writeln!(player, "{}家 ツモ番", self.wind.show());
Dec 19 12:27:16.472 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.472 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr]     = note: #[warn(unused_must_use)] on by default
Dec 19 12:27:16.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.476 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.476 INFO [stderr] 
Dec 19 12:27:16.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.476 INFO [stderr]    --> src/game.rs:235:13
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr] 235 |             write!(player, "{}", tile.figure().show());
Dec 19 12:27:16.476 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.476 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.476 INFO [stderr] 
Dec 19 12:27:16.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.476 INFO [stderr]    --> src/game.rs:237:9
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr] 237 |         writeln!(player, " {}", drawn.figure().show());
Dec 19 12:27:16.476 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.476 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.476 INFO [stderr] 
Dec 19 12:27:16.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.476 INFO [stderr]    --> src/game.rs:245:9
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr] 245 |         writeln!(player, "{}家 鳴き番", s.show());
Dec 19 12:27:16.476 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.476 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.476 INFO [stderr] 
Dec 19 12:27:16.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.476 INFO [stderr]    --> src/game.rs:247:13
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr] 247 |             write!(player, "{}家河", o.show());
Dec 19 12:27:16.476 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.476 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.476 INFO [stderr] 
Dec 19 12:27:16.476 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.476 INFO [stderr]    --> src/game.rs:249:17
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr] 249 |                 write!(player, "{}", d.tile().figure().show());
Dec 19 12:27:16.476 INFO [stderr]     |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.476 INFO [stderr]     |
Dec 19 12:27:16.476 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.477 INFO [stderr]    --> src/game.rs:251:13
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr] 251 |             writeln!(player, "");
Dec 19 12:27:16.477 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.477 INFO [stderr]    --> src/game.rs:253:9
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr] 253 |         write!(player, "{}家河", s.show());
Dec 19 12:27:16.477 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.477 INFO [stderr]    --> src/game.rs:255:13
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr] 255 |             write!(player, "{}", d.tile().figure().show());
Dec 19 12:27:16.477 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.477 INFO [stderr]    --> src/game.rs:257:9
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr] 257 |         writeln!(player, "");
Dec 19 12:27:16.477 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.477 INFO [stderr]    --> src/game.rs:260:13
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr] 260 |             write!(player, "{}", tile.figure().show());
Dec 19 12:27:16.477 INFO [stderr]     |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.477 INFO [stderr] warning: unused `std::result::Result` that must be used
Dec 19 12:27:16.477 INFO [stderr]    --> src/game.rs:262:9
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr] 262 |         writeln!(player, "");
Dec 19 12:27:16.477 INFO [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^
Dec 19 12:27:16.477 INFO [stderr]     |
Dec 19 12:27:16.477 INFO [stderr]     = note: this `Result` may be an `Err` variant, which should be handled
Dec 19 12:27:16.477 INFO [stderr]     = note: this error originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
Dec 19 12:27:16.477 INFO [stderr] 
Dec 19 12:27:16.548 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.99s
Dec 19 12:27:17.947 INFO running `"docker" "inspect" "9aa845f4869db5e70b2413375a9a0b8d6409e133942d14a5bab35e23c93a726b"`
Dec 19 12:27:18.248 INFO running `"docker" "rm" "-f" "9aa845f4869db5e70b2413375a9a0b8d6409e133942d14a5bab35e23c93a726b"`
Dec 19 12:27:18.600 INFO [stdout] 9aa845f4869db5e70b2413375a9a0b8d6409e133942d14a5bab35e23c93a726b