[INFO] cloning repository plafue/AntsStarterPackRust
[INFO] running `"git" "clone" "--bare" "git://github.com/plafue/AntsStarterPackRust.git" "work/cache/sources/gh/plafue/AntsStarterPackRust"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/plafue/AntsStarterPackRust'...
[INFO] running `"git" "clone" "work/cache/sources/gh/plafue/AntsStarterPackRust" "work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/plafue/AntsStarterPackRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/plafue/AntsStarterPackRust'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/plafue/AntsStarterPackRust" "work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/plafue/AntsStarterPackRust"`
[INFO] [stderr] Cloning into 'work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/plafue/AntsStarterPackRust'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd5eaecc42d015d1c1eb024279e4182e29c5f3ce
[INFO] sha for GitHub repo plafue/AntsStarterPackRust: fd5eaecc42d015d1c1eb024279e4182e29c5f3ce
[INFO] validating manifest of plafue/AntsStarterPackRust on toolchain master#c0086b9e8972fef9fd4af24bae20d45021ed06c6
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of plafue/AntsStarterPackRust on toolchain try#290ac7b29f41ff9fa5232f9a1116ea71a3501063
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing plafue/AntsStarterPackRust
[INFO] finished frobbing plafue/AntsStarterPackRust
[INFO] frobbed toml for plafue/AntsStarterPackRust written to work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/plafue/AntsStarterPackRust/Cargo.toml
[INFO] started frobbing plafue/AntsStarterPackRust
[INFO] finished frobbing plafue/AntsStarterPackRust
[INFO] frobbed toml for plafue/AntsStarterPackRust written to work/ex/pr-58899/sources/try#290ac7b29f41ff9fa5232f9a1116ea71a3501063/gh/plafue/AntsStarterPackRust/Cargo.toml
[INFO] crate plafue/AntsStarterPackRust has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+290ac7b29f41ff9fa5232f9a1116ea71a3501063-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] checking plafue/AntsStarterPackRust against master#c0086b9e8972fef9fd4af24bae20d45021ed06c6 for pr-58899
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-58899/worker-0/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-58899/sources/master#c0086b9e8972fef9fd4af24bae20d45021ed06c6/gh/plafue/AntsStarterPackRust:/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" "+c0086b9e8972fef9fd4af24bae20d45021ed06c6-alt" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 0a3558a03f3b0273124d0d798cb846cc1633511a7c4f1511478d6246d8d0336c
[INFO] running `"docker" "start" "-a" "0a3558a03f3b0273124d0d798cb846cc1633511a7c4f1511478d6246d8d0336c"`
[INFO] [stderr]     Checking antsstarterpackrust v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `File`
[INFO] [stderr]  --> src/main.rs:2:15
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, OpenOptions};
[INFO] [stderr]   |               ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/main.rs:29:133
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn run_game<L: Write, R: Read, W: Write>(log_writer: &mut BufWriter<L>,in_stream: &mut BufReader<R>, out_stream: &mut BufWriter<W>, config: GameConfig, board: &mut Board) {
[INFO] [stderr]    |                                                                                                                                     ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/main.rs:29:153
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn run_game<L: Write, R: Read, W: Write>(log_writer: &mut BufWriter<L>,in_stream: &mut BufReader<R>, out_stream: &mut BufWriter<W>, config: GameConfig, board: &mut Board) {
[INFO] [stderr]    |                                                                                                                                                         ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `updateCommnd`
[INFO] [stderr]   --> src/game/mod.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn update(&mut self, updateCommnd: String) {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_updateCommnd`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]  --> src/game/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Water,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Food`
[INFO] [stderr]  --> src/game/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Food,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dead`
[INFO] [stderr]  --> src/game/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Dead,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MyAnt`
[INFO] [stderr]   --> src/game/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     MyAnt,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnemyAnt`
[INFO] [stderr]   --> src/game/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     EnemyAnt
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UpdateCommand`
[INFO] [stderr]   --> src/game/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct UpdateCommand {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `visible`
[INFO] [stderr]   --> src/game/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     visible: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `field_type`
[INFO] [stderr]   --> src/game/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     field_type: FieldType
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tiles`
[INFO] [stderr]   --> src/game/mod.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     tiles: [[Tile; 256]; 256]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/game/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn update(&mut self, updateCommnd: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_update_command`
[INFO] [stderr]   --> src/game/mod.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_update_command(line: String) -> UpdateCommand {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `updateCommnd` should have a snake case name
[INFO] [stderr]   --> src/game/mod.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn update(&mut self, updateCommnd: String) {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: convert the identifier to snake case: `update_commnd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     log_writer.write_all(format!("Start game: Config: {:?}\n", config).as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         out_stream.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         log_writer.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             out_stream.write_all(b"go\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             log_writer.write_all(format!("RECEIVED: {}\n", line).as_bytes());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `config`
[INFO] [stderr]   --> src/main.rs:29:133
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn run_game<L: Write, R: Read, W: Write>(log_writer: &mut BufWriter<L>,in_stream: &mut BufReader<R>, out_stream: &mut BufWriter<W>, config: GameConfig, board: &mut Board) {
[INFO] [stderr]    |                                                                                                                                     ^^^^^^ help: consider prefixing with an underscore: `_config`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_variables)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `board`
[INFO] [stderr]   --> src/main.rs:29:153
[INFO] [stderr]    |
[INFO] [stderr] 29 | fn run_game<L: Write, R: Read, W: Write>(log_writer: &mut BufWriter<L>,in_stream: &mut BufReader<R>, out_stream: &mut BufWriter<W>, config: GameConfig, board: &mut Board) {
[INFO] [stderr]    |                                                                                                                                                         ^^^^^ help: consider prefixing with an underscore: `_board`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `updateCommnd`
[INFO] [stderr]   --> src/game/mod.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn update(&mut self, updateCommnd: String) {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: consider prefixing with an underscore: `_updateCommnd`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Water`
[INFO] [stderr]  --> src/game/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     Water,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(dead_code)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Food`
[INFO] [stderr]  --> src/game/mod.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     Food,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Dead`
[INFO] [stderr]  --> src/game/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     Dead,
[INFO] [stderr]   |     ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `MyAnt`
[INFO] [stderr]   --> src/game/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     MyAnt,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `EnemyAnt`
[INFO] [stderr]   --> src/game/mod.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 |     EnemyAnt
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `UpdateCommand`
[INFO] [stderr]   --> src/game/mod.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct UpdateCommand {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `visible`
[INFO] [stderr]   --> src/game/mod.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 |     visible: bool,
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `field_type`
[INFO] [stderr]   --> src/game/mod.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 |     field_type: FieldType
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `tiles`
[INFO] [stderr]   --> src/game/mod.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     tiles: [[Tile; 256]; 256]
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `update`
[INFO] [stderr]   --> src/game/mod.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn update(&mut self, updateCommnd: String) {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_update_command`
[INFO] [stderr]   --> src/game/mod.rs:44:1
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_update_command(line: String) -> UpdateCommand {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable `updateCommnd` should have a snake case name
[INFO] [stderr]   --> src/game/mod.rs:39:30
[INFO] [stderr]    |
[INFO] [stderr] 39 |     pub fn update(&mut self, updateCommnd: String) {
[INFO] [stderr]    |                              ^^^^^^^^^^^^ help: convert the identifier to snake case: `update_commnd`
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(non_snake_case)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     log_writer.write_all(format!("Start game: Config: {:?}\n", config).as_bytes());
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:31:9
[INFO] [stderr]    |
[INFO] [stderr] 31 |         out_stream.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:32:9
[INFO] [stderr]    |
[INFO] [stderr] 32 |         log_writer.flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |             out_stream.write_all(b"go\n");
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:13
[INFO] [stderr]    |
[INFO] [stderr] 41 |             log_writer.write_all(format!("RECEIVED: {}\n", line).as_bytes());
[INFO] [stderr]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.83s
[INFO] running `"docker" "inspect" "0a3558a03f3b0273124d0d798cb846cc1633511a7c4f1511478d6246d8d0336c"`
[INFO] running `"docker" "rm" "-f" "0a3558a03f3b0273124d0d798cb846cc1633511a7c4f1511478d6246d8d0336c"`
[INFO] [stdout] 0a3558a03f3b0273124d0d798cb846cc1633511a7c4f1511478d6246d8d0336c