[INFO] fetching crate genetic_planner 0.4.0... [INFO] testing genetic_planner-0.4.0 against beta-2025-09-21 for beta-1.91-3 [INFO] extracting crate genetic_planner 0.4.0 into /workspace/builds/worker-4-tc2/source [INFO] started tweaking crates.io crate genetic_planner 0.4.0 [INFO] finished tweaking crates.io crate genetic_planner 0.4.0 [INFO] tweaked toml for crates.io crate genetic_planner 0.4.0 written to /workspace/builds/worker-4-tc2/source/Cargo.toml [INFO] validating manifest of crates.io crate genetic_planner 0.4.0 on toolchain beta-2025-09-21 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 13 packages to latest compatible versions [INFO] [stderr] Adding rand v0.3.23 (available: v0.9.2) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 0d143809c78e83cf16d67361a7a80f118f02aba1e00487d78662aaa7c3fed873 [INFO] running `Command { std: "docker" "start" "-a" "0d143809c78e83cf16d67361a7a80f118f02aba1e00487d78662aaa7c3fed873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "0d143809c78e83cf16d67361a7a80f118f02aba1e00487d78662aaa7c3fed873", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0d143809c78e83cf16d67361a7a80f118f02aba1e00487d78662aaa7c3fed873", kill_on_drop: false }` [INFO] [stdout] 0d143809c78e83cf16d67361a7a80f118f02aba1e00487d78662aaa7c3fed873 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9f9b91003888a54637b40d944328df98b08a7926c24896087f8c9e3c290df930 [INFO] running `Command { std: "docker" "start" "-a" "9f9b91003888a54637b40d944328df98b08a7926c24896087f8c9e3c290df930", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling rand v0.4.6 [INFO] [stderr] Compiling num_cpus v1.17.0 [INFO] [stderr] Compiling threadpool v1.8.1 [INFO] [stderr] Compiling rand v0.3.23 [INFO] [stderr] Compiling genetic_planner v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Coin` is never constructed [INFO] [stdout] --> src/genetic_planner_test.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `flip` is never used [INFO] [stdout] --> src/genetic_planner_test.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn flip(c: Coin) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `flop` is never used [INFO] [stdout] --> src/genetic_planner_test.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn flop(_: Coin) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `clone` that must be used [INFO] [stdout] --> src/genetic.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | self.individuals_and_scores.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cloning is often expensive and is not expected to have side effects [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = self.individuals_and_scores.clone(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.41s [INFO] running `Command { std: "docker" "inspect" "9f9b91003888a54637b40d944328df98b08a7926c24896087f8c9e3c290df930", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9f9b91003888a54637b40d944328df98b08a7926c24896087f8c9e3c290df930", kill_on_drop: false }` [INFO] [stdout] 9f9b91003888a54637b40d944328df98b08a7926c24896087f8c9e3c290df930 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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" "RUSTDOCFLAGS=--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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 170c565dee9e0fd1167ade7d3f0b96f8c5f896dc024e4fa22784d2c12b41567f [INFO] running `Command { std: "docker" "start" "-a" "170c565dee9e0fd1167ade7d3f0b96f8c5f896dc024e4fa22784d2c12b41567f", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024 [INFO] [stderr] Compiling genetic_planner v0.4.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: struct `Coin` is never constructed [INFO] [stdout] --> src/genetic_planner_test.rs:7:8 [INFO] [stdout] | [INFO] [stdout] 7 | struct Coin { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `flip` is never used [INFO] [stdout] --> src/genetic_planner_test.rs:45:4 [INFO] [stdout] | [INFO] [stdout] 45 | fn flip(c: Coin) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `flop` is never used [INFO] [stdout] --> src/genetic_planner_test.rs:50:4 [INFO] [stdout] | [INFO] [stdout] 50 | fn flop(_: Coin) -> Option { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused return value of `clone` that must be used [INFO] [stdout] --> src/genetic.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | self.individuals_and_scores.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cloning is often expensive and is not expected to have side effects [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = self.individuals_and_scores.clone(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error[E0425]: cannot find function `println1` in this scope [INFO] [stdout] --> examples/maze.rs:202:5 [INFO] [stdout] | [INFO] [stdout] 202 | println1("[W] Wall\n [F] Finish \n Bot\n"); [INFO] [stdout] | ^^^^^^^^ not found in this scope [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] For more information about this error, try `rustc --explain E0425`. [INFO] [stdout] [INFO] [stderr] error: could not compile `genetic_planner` (example "maze") due to 1 previous error [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused return value of `clone` that must be used [INFO] [stdout] --> src/genetic.rs:146:13 [INFO] [stdout] | [INFO] [stdout] 146 | self.individuals_and_scores.clone(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: cloning is often expensive and is not expected to have side effects [INFO] [stdout] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 146 | let _ = self.individuals_and_scores.clone(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "170c565dee9e0fd1167ade7d3f0b96f8c5f896dc024e4fa22784d2c12b41567f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "170c565dee9e0fd1167ade7d3f0b96f8c5f896dc024e4fa22784d2c12b41567f", kill_on_drop: false }` [INFO] [stdout] 170c565dee9e0fd1167ade7d3f0b96f8c5f896dc024e4fa22784d2c12b41567f