[INFO] updating cached repository https://github.com/plafue/AntsStarterPackRust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] fd5eaecc42d015d1c1eb024279e4182e29c5f3ce
[INFO] checking plafue/AntsStarterPackRust against try#e4dba30b9b475d8750370c4dfb49b6541990904d for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplafue%2FAntsStarterPackRust" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/plafue/AntsStarterPackRust on toolchain e4dba30b9b475d8750370c4dfb49b6541990904d
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/plafue/AntsStarterPackRust
[INFO] finished tweaking git repo https://github.com/plafue/AntsStarterPackRust
[INFO] tweaked toml for git repo https://github.com/plafue/AntsStarterPackRust written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/plafue/AntsStarterPackRust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+e4dba30b9b475d8750370c4dfb49b6541990904d" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4320035f3a3fd63895c8d0b396509bf93a7b4e889d194489973e9b14495baf0d
[INFO] running `"docker" "start" "-a" "4320035f3a3fd63895c8d0b396509bf93a7b4e889d194489973e9b14495baf0d"`
[INFO] [stderr]     Checking antsstarterpackrust v0.1.0 (/opt/rustwide/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 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct UpdateCommand {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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 read: `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:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_update_command(line: String) -> UpdateCommand {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[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: 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: 21 warnings emitted
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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: if this is intentional, prefix it 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:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | struct UpdateCommand {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `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 read: `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 read: `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:44:4
[INFO] [stderr]    |
[INFO] [stderr] 44 | fn parse_update_command(line: String) -> UpdateCommand {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[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: 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: 21 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.73s
[INFO] running `"docker" "inspect" "4320035f3a3fd63895c8d0b396509bf93a7b4e889d194489973e9b14495baf0d"`
[INFO] running `"docker" "rm" "-f" "4320035f3a3fd63895c8d0b396509bf93a7b4e889d194489973e9b14495baf0d"`
[INFO] [stdout] 4320035f3a3fd63895c8d0b396509bf93a7b4e889d194489973e9b14495baf0d