[INFO] updating cached repository xeals/stratagem
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/xeals/stratagem
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/xeals/stratagem" "work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xeals/stratagem"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xeals/stratagem'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/xeals/stratagem" "work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xeals/stratagem"`
[INFO] [stderr] Cloning into 'work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xeals/stratagem'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 28d899c67d3d717aa0b8bb2cb3eec8cdb8872eaf
[INFO] sha for GitHub repo xeals/stratagem: 28d899c67d3d717aa0b8bb2cb3eec8cdb8872eaf
[INFO] validating manifest of xeals/stratagem on toolchain master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of xeals/stratagem on toolchain try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing xeals/stratagem
[INFO] finished frobbing xeals/stratagem
[INFO] frobbed toml for xeals/stratagem written to work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xeals/stratagem/Cargo.toml
[INFO] started frobbing xeals/stratagem
[INFO] finished frobbing xeals/stratagem
[INFO] frobbed toml for xeals/stratagem written to work/ex/pr-59199/sources/try#68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b/gh/xeals/stratagem/Cargo.toml
[INFO] crate xeals/stratagem already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/crater-raid/crater/work/local/cargo-home/bin/cargo" "+68fcf881bd1e4dbfc21e22f8c7a56b8a5d8e8f7b-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking xeals/stratagem against master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7 for pr-59199
[INFO] running `"docker" "create" "-v" "/mnt/crater-raid/crater/work/local/target-dirs/pr-59199/worker-7/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7:/opt/crater/target:rw,Z" "-v" "/mnt/crater-raid/crater/work/ex/pr-59199/sources/master#bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7/gh/xeals/stratagem:/opt/crater/workdir:ro,Z" "-v" "/mnt/crater-raid/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/crater-raid/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" "+bc44841ad2a2ad5f6c5e67b9e35ed8e7e71d4dc7-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] b5f7125cd6e1d1da257f6035c76677f723a572b9a72d9d3f49275c68d66d694a
[INFO] running `"docker" "start" "-a" "b5f7125cd6e1d1da257f6035c76677f723a572b9a72d9d3f49275c68d66d694a"`
[INFO] [stderr]     Checking libc v0.2.35
[INFO] [stderr]     Checking backtrace-sys v0.1.16
[INFO] [stderr]     Checking rand v0.4.1
[INFO] [stderr]     Checking termion v1.5.1
[INFO] [stderr]     Checking backtrace v0.3.5
[INFO] [stderr]     Checking failure v0.1.1
[INFO] [stderr]     Checking stratagem v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{self, Write};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Write`
[INFO] [stderr]   --> src/main.rs:11:21
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::io::{self, Write};
[INFO] [stderr]    |                     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stderr`
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut stderr = stderr.lock();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_stderr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/game.rs:340:25
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn popup(&mut self, text: &str) -> error::Result<()> {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut stdout = stdout.lock();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut stderr = stderr.lock();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `stderr`
[INFO] [stderr]   --> src/main.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut stderr = stderr.lock();
[INFO] [stderr]    |             ^^^^^^ help: consider prefixing with an underscore: `_stderr`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `text`
[INFO] [stderr]    --> src/game.rs:340:25
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn popup(&mut self, text: &str) -> error::Result<()> {
[INFO] [stderr]     |                         ^^^^ help: consider prefixing with an underscore: `_text`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:23:9
[INFO] [stderr]    |
[INFO] [stderr] 23 |     let mut stdout = stdout.lock();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_mut)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/main.rs:27:9
[INFO] [stderr]    |
[INFO] [stderr] 27 |     let mut stderr = stderr.lock();
[INFO] [stderr]    |         ----^^^^^^
[INFO] [stderr]    |         |
[INFO] [stderr]    |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/board.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn from(s: &str) -> Option<Piece> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_side`
[INFO] [stderr]    --> src/board.rs:409:1
[INFO] [stderr]     |
[INFO] [stderr] 409 | fn create_side(colour: Colour) -> [[Tile; 10]; 4] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_BLUE_SIDE`
[INFO] [stderr]    --> src/board.rs:416:1
[INFO] [stderr]     |
[INFO] [stderr] 416 | / const DEFAULT_BLUE_SIDE: [[Tile; 10]; 4] =
[INFO] [stderr] 417 | |     [[Tile::Piece(Piece::Miner,      Colour::Blue),
[INFO] [stderr] 418 | |       Tile::Piece(Piece::Captain,    Colour::Blue),
[INFO] [stderr] 419 | |       Tile::Piece(Piece::Scout,      Colour::Blue),
[INFO] [stderr] ...   |
[INFO] [stderr] 458 | |       Tile::Piece(Piece::Colonel,    Colour::Blue),
[INFO] [stderr] 459 | |       Tile::Piece(Piece::Sergeant,   Colour::Blue)]];
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `GameResult`
[INFO] [stderr]   --> src/game.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum GameResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `popup`
[INFO] [stderr]    --> src/game.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn popup(&mut self, text: &str) -> error::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_game_end`
[INFO] [stderr]    --> src/game.rs:344:5
[INFO] [stderr]     |
[INFO] [stderr] 344 |     fn check_game_end(&mut self) -> GameResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `from`
[INFO] [stderr]   --> src/board.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     fn from(s: &str) -> Option<Piece> {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `create_side`
[INFO] [stderr]    --> src/board.rs:409:1
[INFO] [stderr]     |
[INFO] [stderr] 409 | fn create_side(colour: Colour) -> [[Tile; 10]; 4] {
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant item is never used: `DEFAULT_BLUE_SIDE`
[INFO] [stderr]    --> src/board.rs:416:1
[INFO] [stderr]     |
[INFO] [stderr] 416 | / const DEFAULT_BLUE_SIDE: [[Tile; 10]; 4] =
[INFO] [stderr] 417 | |     [[Tile::Piece(Piece::Miner,      Colour::Blue),
[INFO] [stderr] 418 | |       Tile::Piece(Piece::Captain,    Colour::Blue),
[INFO] [stderr] 419 | |       Tile::Piece(Piece::Scout,      Colour::Blue),
[INFO] [stderr] ...   |
[INFO] [stderr] 458 | |       Tile::Piece(Piece::Colonel,    Colour::Blue),
[INFO] [stderr] 459 | |       Tile::Piece(Piece::Sergeant,   Colour::Blue)]];
[INFO] [stderr]     | |_____________________________________________________^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `GameResult`
[INFO] [stderr]   --> src/game.rs:14:1
[INFO] [stderr]    |
[INFO] [stderr] 14 | enum GameResult {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `popup`
[INFO] [stderr]    --> src/game.rs:340:5
[INFO] [stderr]     |
[INFO] [stderr] 340 |     fn popup(&mut self, text: &str) -> error::Result<()> {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `check_game_end`
[INFO] [stderr]    --> src/game.rs:344:5
[INFO] [stderr]     |
[INFO] [stderr] 344 |     fn check_game_end(&mut self) -> GameResult {
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.46s
[INFO] running `"docker" "inspect" "b5f7125cd6e1d1da257f6035c76677f723a572b9a72d9d3f49275c68d66d694a"`
[INFO] running `"docker" "rm" "-f" "b5f7125cd6e1d1da257f6035c76677f723a572b9a72d9d3f49275c68d66d694a"`
[INFO] [stdout] b5f7125cd6e1d1da257f6035c76677f723a572b9a72d9d3f49275c68d66d694a