[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 beta-2022-04-10 for beta-1.61-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FChristianPomales%2Fai_homework" "/workspace/builds/worker-75/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-75/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/ChristianPomales/ai_homework on toolchain beta-2022-04-10 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "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-75/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" "+beta-2022-04-10" "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-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] c35afaf1afd0036b722271fbb7aa25fe02900cc0871615a44f9379f68521fac2 [INFO] running `Command { std: "docker" "start" "-a" "c35afaf1afd0036b722271fbb7aa25fe02900cc0871615a44f9379f68521fac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "c35afaf1afd0036b722271fbb7aa25fe02900cc0871615a44f9379f68521fac2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c35afaf1afd0036b722271fbb7aa25fe02900cc0871615a44f9379f68521fac2", kill_on_drop: false }` [INFO] [stdout] c35afaf1afd0036b722271fbb7aa25fe02900cc0871615a44f9379f68521fac2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 7a461c4092cdd9a13d11815e58c453681fa04fb699ea5e1a8a3e4e94d112ba01 [INFO] running `Command { std: "docker" "start" "-a" "7a461c4092cdd9a13d11815e58c453681fa04fb699ea5e1a8a3e4e94d112ba01", 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-iter v0.1.37 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling rand_core v0.3.0 [INFO] [stderr] Compiling rand_core v0.2.2 [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 5.41s [INFO] running `Command { std: "docker" "inspect" "7a461c4092cdd9a13d11815e58c453681fa04fb699ea5e1a8a3e4e94d112ba01", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "7a461c4092cdd9a13d11815e58c453681fa04fb699ea5e1a8a3e4e94d112ba01", kill_on_drop: false }` [INFO] [stdout] 7a461c4092cdd9a13d11815e58c453681fa04fb699ea5e1a8a3e4e94d112ba01 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 53b2315baea6f0e98deab5b89549008d90b7fc7cf6bc383809a3a91373b64b10 [INFO] running `Command { std: "docker" "start" "-a" "53b2315baea6f0e98deab5b89549008d90b7fc7cf6bc383809a3a91373b64b10", 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 0.60s [INFO] [stderr] Executable unittests src/main.rs (/opt/rustwide/target/debug/deps/ai_homework-662afaded16502f4) [INFO] running `Command { std: "docker" "inspect" "53b2315baea6f0e98deab5b89549008d90b7fc7cf6bc383809a3a91373b64b10", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "53b2315baea6f0e98deab5b89549008d90b7fc7cf6bc383809a3a91373b64b10", kill_on_drop: false }` [INFO] [stdout] 53b2315baea6f0e98deab5b89549008d90b7fc7cf6bc383809a3a91373b64b10 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-75/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 312c6095a5f0e78f98125575276694001b5e08407fcb7bf49d428596065619d7 [INFO] running `Command { std: "docker" "start" "-a" "312c6095a5f0e78f98125575276694001b5e08407fcb7bf49d428596065619d7", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [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 3.20s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ai_homework-662afaded16502f4) [INFO] running `Command { std: "docker" "inspect" "312c6095a5f0e78f98125575276694001b5e08407fcb7bf49d428596065619d7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "312c6095a5f0e78f98125575276694001b5e08407fcb7bf49d428596065619d7", kill_on_drop: false }` [INFO] [stdout] 312c6095a5f0e78f98125575276694001b5e08407fcb7bf49d428596065619d7