[INFO] updating cached repository https://github.com/Borthralla/2048 [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4b777c33aced36d1cd46f3473a1998b9f82c17b1 [INFO] testing Borthralla/2048 against 1.45.2 for beta-1.46-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorthralla%2F2048" "/workspace/builds/worker-7/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Borthralla/2048 on toolchain 1.45.2 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Borthralla/2048 [INFO] finished tweaking git repo https://github.com/Borthralla/2048 [INFO] tweaked toml for git repo https://github.com/Borthralla/2048 written to /workspace/builds/worker-7/source/Cargo.toml [INFO] crate git repo https://github.com/Borthralla/2048 already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8cb9b14c5c97dc6e8f230c29c2fbfedee985dc2a0c919a88fa2b473041f110c3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "8cb9b14c5c97dc6e8f230c29c2fbfedee985dc2a0c919a88fa2b473041f110c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8cb9b14c5c97dc6e8f230c29c2fbfedee985dc2a0c919a88fa2b473041f110c3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8cb9b14c5c97dc6e8f230c29c2fbfedee985dc2a0c919a88fa2b473041f110c3", kill_on_drop: false }` [INFO] [stdout] 8cb9b14c5c97dc6e8f230c29c2fbfedee985dc2a0c919a88fa2b473041f110c3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] a552df1640ebb6d0cea8c15e39a68fd7b4f9ba7749d64e672c9d6037a706cfa3 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "a552df1640ebb6d0cea8c15e39a68fd7b4f9ba7749d64e672c9d6037a706cfa3", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.2 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.51 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.3 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling play_2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | if (*val != 0u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | while(next_states.len() > 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 204 | while(next_states.len() > 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:214:8 [INFO] [stdout] | [INFO] [stdout] 214 | while(next_states.len() > 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:231:8 [INFO] [stdout] | [INFO] [stdout] 231 | if (val != 0) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `average_score` [INFO] [stdout] --> src/main.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | fn average_score(&self, iterations: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `make_best_move` [INFO] [stdout] --> src/main.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 140 | fn make_best_move(&mut self, iterations: i32, next_states: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `play_best_game` [INFO] [stdout] --> src/main.rs:158:5 [INFO] [stdout] | [INFO] [stdout] 158 | fn play_best_game(&mut self, iterations: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parallel_timed_make_best_move` [INFO] [stdout] --> src/main.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | fn parallel_timed_make_best_move(&mut self, duration: i32, next_states: Vec, num_threads: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parallel_timed_play_best_game` [INFO] [stdout] --> src/main.rs:212:5 [INFO] [stdout] | [INFO] [stdout] 212 | fn parallel_timed_play_best_game(&mut self, duration: i32, num_threads: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:253:6 [INFO] [stdout] | [INFO] [stdout] 253 | writeln!(file, "{}", my_state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 8.33s [INFO] running `Command { std: "docker" "inspect" "a552df1640ebb6d0cea8c15e39a68fd7b4f9ba7749d64e672c9d6037a706cfa3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "a552df1640ebb6d0cea8c15e39a68fd7b4f9ba7749d64e672c9d6037a706cfa3", kill_on_drop: false }` [INFO] [stdout] a552df1640ebb6d0cea8c15e39a68fd7b4f9ba7749d64e672c9d6037a706cfa3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 1bca4d1d754f962e78881b8cc3ea3d7e2bdbe233be19004ac14f1f58498179bd [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "1bca4d1d754f962e78881b8cc3ea3d7e2bdbe233be19004ac14f1f58498179bd", kill_on_drop: false }` [INFO] [stderr] Compiling play_2048 v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `Duration` [INFO] [stdout] --> src/main.rs:4:17 [INFO] [stdout] | [INFO] [stdout] 4 | use std::time::{Duration, Instant}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:106:7 [INFO] [stdout] | [INFO] [stdout] 106 | if (*val != 0u8) { [INFO] [stdout] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_parens)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:160:8 [INFO] [stdout] | [INFO] [stdout] 160 | while(next_states.len() > 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:204:8 [INFO] [stdout] | [INFO] [stdout] 204 | while(next_states.len() > 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `while` condition [INFO] [stdout] --> src/main.rs:214:8 [INFO] [stdout] | [INFO] [stdout] 214 | while(next_states.len() > 0) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary parentheses around `if` condition [INFO] [stdout] --> src/main.rs:231:8 [INFO] [stdout] | [INFO] [stdout] 231 | if (val != 0) { [INFO] [stdout] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `average_score` [INFO] [stdout] --> src/main.rs:113:5 [INFO] [stdout] | [INFO] [stdout] 113 | fn average_score(&self, iterations: i32) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `make_best_move` [INFO] [stdout] --> src/main.rs:140:5 [INFO] [stdout] | [INFO] [stdout] 140 | fn make_best_move(&mut self, iterations: i32, next_states: Vec) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `play_best_game` [INFO] [stdout] --> src/main.rs:158:5 [INFO] [stdout] | [INFO] [stdout] 158 | fn play_best_game(&mut self, iterations: i32) { [INFO] [stdout] | ^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parallel_timed_make_best_move` [INFO] [stdout] --> src/main.rs:181:5 [INFO] [stdout] | [INFO] [stdout] 181 | fn parallel_timed_make_best_move(&mut self, duration: i32, next_states: Vec, num_threads: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `parallel_timed_play_best_game` [INFO] [stdout] --> src/main.rs:212:5 [INFO] [stdout] | [INFO] [stdout] 212 | fn parallel_timed_play_best_game(&mut self, duration: i32, num_threads: usize) { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:253:6 [INFO] [stdout] | [INFO] [stdout] 253 | writeln!(file, "{}", my_state); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.81s [INFO] [stdout] warning: 12 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "1bca4d1d754f962e78881b8cc3ea3d7e2bdbe233be19004ac14f1f58498179bd", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1bca4d1d754f962e78881b8cc3ea3d7e2bdbe233be19004ac14f1f58498179bd", kill_on_drop: false }` [INFO] [stdout] 1bca4d1d754f962e78881b8cc3ea3d7e2bdbe233be19004ac14f1f58498179bd [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "test" "--frozen", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 9fed079ee930cb215186da4bed452386e1cf3f68ac9a0657aa46531b224ddbe9 [INFO] running `Command { std: "docker" "start" "-a" "9fed079ee930cb215186da4bed452386e1cf3f68ac9a0657aa46531b224ddbe9", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `Duration` [INFO] [stderr] --> src/main.rs:4:17 [INFO] [stderr] | [INFO] [stderr] 4 | use std::time::{Duration, Instant}; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:106:7 [INFO] [stderr] | [INFO] [stderr] 106 | if (*val != 0u8) { [INFO] [stderr] | ^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> src/main.rs:160:8 [INFO] [stderr] | [INFO] [stderr] 160 | while(next_states.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> src/main.rs:204:8 [INFO] [stderr] | [INFO] [stderr] 204 | while(next_states.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `while` condition [INFO] [stderr] --> src/main.rs:214:8 [INFO] [stderr] | [INFO] [stderr] 214 | while(next_states.len() > 0) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around `if` condition [INFO] [stderr] --> src/main.rs:231:8 [INFO] [stderr] | [INFO] [stderr] 231 | if (val != 0) { [INFO] [stderr] | ^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `average_score` [INFO] [stderr] --> src/main.rs:113:5 [INFO] [stderr] | [INFO] [stderr] 113 | fn average_score(&self, iterations: i32) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `make_best_move` [INFO] [stderr] --> src/main.rs:140:5 [INFO] [stderr] | [INFO] [stderr] 140 | fn make_best_move(&mut self, iterations: i32, next_states: Vec) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `play_best_game` [INFO] [stderr] --> src/main.rs:158:5 [INFO] [stderr] | [INFO] [stderr] 158 | fn play_best_game(&mut self, iterations: i32) { [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `parallel_timed_make_best_move` [INFO] [stderr] --> src/main.rs:181:5 [INFO] [stderr] | [INFO] [stderr] 181 | fn parallel_timed_make_best_move(&mut self, duration: i32, next_states: Vec, num_threads: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated function is never used: `parallel_timed_play_best_game` [INFO] [stderr] --> src/main.rs:212:5 [INFO] [stderr] | [INFO] [stderr] 212 | fn parallel_timed_play_best_game(&mut self, duration: i32, num_threads: usize) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused `std::result::Result` that must be used [INFO] [stderr] --> src/main.rs:253:6 [INFO] [stderr] | [INFO] [stderr] 253 | writeln!(file, "{}", my_state); [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] = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stderr] [INFO] [stderr] warning: 12 warnings emitted [INFO] [stderr] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.04s [INFO] [stderr] Running /opt/rustwide/target/debug/deps/play_2048-2e00b63bd5adc389 [INFO] [stdout] [INFO] [stdout] running 0 tests [INFO] [stdout] [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "9fed079ee930cb215186da4bed452386e1cf3f68ac9a0657aa46531b224ddbe9", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9fed079ee930cb215186da4bed452386e1cf3f68ac9a0657aa46531b224ddbe9", kill_on_drop: false }` [INFO] [stdout] 9fed079ee930cb215186da4bed452386e1cf3f68ac9a0657aa46531b224ddbe9