[INFO] cloning repository https://github.com/ChristianPomales/ai_homework [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ChristianPomales/ai_homework" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristianPomales%2Fai_homework", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristianPomales%2Fai_homework'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] d63eab064b2d2b5e0d9e178982b11b2397480cd0 [INFO] testing ChristianPomales/ai_homework against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristianPomales%2Fai_homework" "/workspace/builds/worker-12/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChristianPomales/ai_homework on toolchain 62efba8a050c64249dab942951bb28f710208bc8 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/ChristianPomales/ai_homework [INFO] finished tweaking git repo https://github.com/ChristianPomales/ai_homework [INFO] tweaked toml for git repo https://github.com/ChristianPomales/ai_homework written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/ChristianPomales/ai_homework already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 35592dcbf77ab9aaf8a247a209f409c87847808196ea7f89aec793b6dd91eb1e [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" "35592dcbf77ab9aaf8a247a209f409c87847808196ea7f89aec793b6dd91eb1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "35592dcbf77ab9aaf8a247a209f409c87847808196ea7f89aec793b6dd91eb1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "35592dcbf77ab9aaf8a247a209f409c87847808196ea7f89aec793b6dd91eb1e", kill_on_drop: false }` [INFO] [stdout] 35592dcbf77ab9aaf8a247a209f409c87847808196ea7f89aec793b6dd91eb1e [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 974ff0661a6f9f7870db84000dd1e765b176c82b74c1a1588bcf17c2a7e52947 [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" "974ff0661a6f9f7870db84000dd1e765b176c82b74c1a1588bcf17c2a7e52947", kill_on_drop: false }` [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling rand v0.5.5 [INFO] [stderr] Compiling num v0.2.0 [INFO] [stderr] Compiling ai_homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:467:39 [INFO] [stdout] | [INFO] [stdout] 467 | let mut first_row = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:471:40 [INFO] [stdout] | [INFO] [stdout] 471 | let mut second_row = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:475:39 [INFO] [stdout] | [INFO] [stdout] 475 | let mut third_row = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:549:46 [INFO] [stdout] | [INFO] [stdout] 549 | let mut difficulty_input = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:618:43 [INFO] [stdout] | [INFO] [stdout] 618 | let mut puzzle_option = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:668:45 [INFO] [stdout] | [INFO] [stdout] 668 | let mut heuristic_input = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:659:5 [INFO] [stdout] | [INFO] [stdout] 659 | &problem.initial_state.print_puzzle(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 659 | let _ = &problem.initial_state.print_puzzle(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.70s [INFO] running `Command { std: "docker" "inspect" "974ff0661a6f9f7870db84000dd1e765b176c82b74c1a1588bcf17c2a7e52947", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "974ff0661a6f9f7870db84000dd1e765b176c82b74c1a1588bcf17c2a7e52947", kill_on_drop: false }` [INFO] [stdout] 974ff0661a6f9f7870db84000dd1e765b176c82b74c1a1588bcf17c2a7e52947 [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 3bb4cdc4b9a921ec7522c3da2344a2babd49bc17f355f7db08555b7e6822eafa [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" "3bb4cdc4b9a921ec7522c3da2344a2babd49bc17f355f7db08555b7e6822eafa", kill_on_drop: false }` [INFO] [stderr] Compiling ai_homework v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:467:39 [INFO] [stdout] | [INFO] [stdout] 467 | let mut first_row = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:471:40 [INFO] [stdout] | [INFO] [stdout] 471 | let mut second_row = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:475:39 [INFO] [stdout] | [INFO] [stdout] 475 | let mut third_row = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:549:46 [INFO] [stdout] | [INFO] [stdout] 549 | let mut difficulty_input = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:618:43 [INFO] [stdout] | [INFO] [stdout] 618 | let mut puzzle_option = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary trailing semicolon [INFO] [stdout] --> src/main.rs:668:45 [INFO] [stdout] | [INFO] [stdout] 668 | let mut heuristic_input = String::new();; [INFO] [stdout] | ^ help: remove this semicolon [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused borrow that must be used [INFO] [stdout] --> src/main.rs:659:5 [INFO] [stdout] | [INFO] [stdout] 659 | &problem.initial_state.print_puzzle(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 659 | let _ = &problem.initial_state.print_puzzle(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.89s [INFO] running `Command { std: "docker" "inspect" "3bb4cdc4b9a921ec7522c3da2344a2babd49bc17f355f7db08555b7e6822eafa", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "3bb4cdc4b9a921ec7522c3da2344a2babd49bc17f355f7db08555b7e6822eafa", kill_on_drop: false }` [INFO] [stdout] 3bb4cdc4b9a921ec7522c3da2344a2babd49bc17f355f7db08555b7e6822eafa [INFO] running `Command { std: "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" "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" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 6ad507a26780066374554d28f23b5e181f2a7f402a27c21a08e9c023e3072fbe [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" "6ad507a26780066374554d28f23b5e181f2a7f402a27c21a08e9c023e3072fbe", kill_on_drop: false }` [INFO] [stdout] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/main.rs:467:39 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 467 | let mut first_row = String::new();; [INFO] [stdout] [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(redundant_semicolons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:471:40 [INFO] [stderr] | [INFO] [stderr] 471 | let mut second_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:475:39 [INFO] [stderr] | [INFO] [stderr] 475 | let mut third_row = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:549:46 [INFO] [stderr] | [INFO] [stderr] 549 | let mut difficulty_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:618:43 [INFO] [stderr] | [INFO] [stderr] 618 | let mut puzzle_option = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unnecessary trailing semicolon [INFO] [stderr] --> src/main.rs:668:45 [INFO] [stderr] | [INFO] [stderr] 668 | let mut heuristic_input = String::new();; [INFO] [stderr] | ^ help: remove this semicolon [INFO] [stderr] [INFO] [stderr] warning: unused borrow that must be used [INFO] [stderr] --> src/main.rs:659:5 [INFO] [stderr] | [INFO] [stderr] 659 | &problem.initial_state.print_puzzle(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the borrow produces a value [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_must_use)]` on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 659 | let _ = &problem.initial_state.print_puzzle(); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `ai_homework` (bin "ai_homework" test) generated 7 warnings [INFO] [stderr] Finished test [unoptimized + debuginfo] target(s) in 0.03s [INFO] [stderr] Running unittests (/opt/rustwide/target/debug/deps/ai_homework-1eac684df9d54baf) [INFO] running `Command { std: "docker" "inspect" "6ad507a26780066374554d28f23b5e181f2a7f402a27c21a08e9c023e3072fbe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6ad507a26780066374554d28f23b5e181f2a7f402a27c21a08e9c023e3072fbe", kill_on_drop: false }` [INFO] [stdout] 6ad507a26780066374554d28f23b5e181f2a7f402a27c21a08e9c023e3072fbe