[INFO] cloning repository https://github.com/rookwood101/blocksworld_solver
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rookwood101/blocksworld_solver" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookwood101%2Fblocksworld_solver", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookwood101%2Fblocksworld_solver'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 625cca7c82e6d72c16742e25e11b0362ec8bec92
[INFO] testing rookwood101/blocksworld_solver against master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frookwood101%2Fblocksworld_solver" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rookwood101/blocksworld_solver on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rookwood101/blocksworld_solver
[INFO] finished tweaking git repo https://github.com/rookwood101/blocksworld_solver
[INFO] tweaked toml for git repo https://github.com/rookwood101/blocksworld_solver written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/rookwood101/blocksworld_solver already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--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-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", 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] 65cf367cf4a014917d6137f48b29f663768c9ea2f053146d564ee734b64a5a35
[INFO] running `Command { std: "docker" "start" "-a" "65cf367cf4a014917d6137f48b29f663768c9ea2f053146d564ee734b64a5a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65cf367cf4a014917d6137f48b29f663768c9ea2f053146d564ee734b64a5a35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65cf367cf4a014917d6137f48b29f663768c9ea2f053146d564ee734b64a5a35", kill_on_drop: false }`
[INFO] [stdout] 65cf367cf4a014917d6137f48b29f663768c9ea2f053146d564ee734b64a5a35
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", 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] 1c6ce94ffea07b1eed1b65a8fcf694bc374bc22ebd3999e8a71d27ab1bfcec71
[INFO] running `Command { std: "docker" "start" "-a" "1c6ce94ffea07b1eed1b65a8fcf694bc374bc22ebd3999e8a71d27ab1bfcec71", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.17
[INFO] [stderr]    Compiling bidir-map v0.3.0
[INFO] [stderr]    Compiling rand v0.3.14
[INFO] [stderr]    Compiling blocksworld_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `blocksworld::search::Node`
[INFO] [stdout]  --> src/blocksworld/test/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use blocksworld::search::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blocksworld::test::test`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use blocksworld::test::test;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blocksworld::search::Searcher`
[INFO] [stdout]  --> src/blocksworld/test/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use blocksworld::search::Searcher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `latex_print`
[INFO] [stdout]   --> src/blocksworld/world.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn latex_print(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution_depth_difficulty`
[INFO] [stdout]  --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solution_depth_difficulty(goal_world: World) -> Vec<(u8, World)> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(start_world: World, max_difficulty: u8) -> SolutionDepthSearcher {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn search(mut self) -> Vec<(u8, World)> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_size_difficulty`
[INFO] [stdout]  --> src/blocksworld/test/problem_generators/grid_size_difficulty.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn grid_size_difficulty() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/blocksworld/test/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_all_searchers_average`
[INFO] [stdout]   --> src/blocksworld/test/mod.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn run_all_searchers_average(start_world: &World, goal_world: &World, difficulty: u8) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.20s
[INFO] running `Command { std: "docker" "inspect" "1c6ce94ffea07b1eed1b65a8fcf694bc374bc22ebd3999e8a71d27ab1bfcec71", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1c6ce94ffea07b1eed1b65a8fcf694bc374bc22ebd3999e8a71d27ab1bfcec71", kill_on_drop: false }`
[INFO] [stdout] 1c6ce94ffea07b1eed1b65a8fcf694bc374bc22ebd3999e8a71d27ab1bfcec71
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2ba1547615555b4f37a78c7cdcc78fe4806987b395d6fa60e2dd9d51b95e0705
[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" "2ba1547615555b4f37a78c7cdcc78fe4806987b395d6fa60e2dd9d51b95e0705", kill_on_drop: false }`
[INFO] [stderr]    Compiling blocksworld_solver v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `blocksworld::search::Node`
[INFO] [stdout]  --> src/blocksworld/test/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use blocksworld::search::Node;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blocksworld::test::test`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use blocksworld::test::test;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `blocksworld::search::Searcher`
[INFO] [stdout]  --> src/blocksworld/test/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use blocksworld::search::Searcher;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `latex_print`
[INFO] [stdout]   --> src/blocksworld/world.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn latex_print(&self) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `solution_depth_difficulty`
[INFO] [stdout]  --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub fn solution_depth_difficulty(goal_world: World) -> Vec<(u8, World)> {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 |     pub fn new(start_world: World, max_difficulty: u8) -> SolutionDepthSearcher {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `search`
[INFO] [stdout]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 31 |     pub fn search(mut self) -> Vec<(u8, World)> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `grid_size_difficulty`
[INFO] [stdout]  --> src/blocksworld/test/problem_generators/grid_size_difficulty.rs:1:4
[INFO] [stdout]   |
[INFO] [stdout] 1 | fn grid_size_difficulty() {}
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `test`
[INFO] [stdout]   --> src/blocksworld/test/mod.rs:16:8
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub fn test() {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `run_all_searchers_average`
[INFO] [stdout]   --> src/blocksworld/test/mod.rs:39:4
[INFO] [stdout]    |
[INFO] [stdout] 39 | fn run_all_searchers_average(start_world: &World, goal_world: &World, difficulty: u8) -> Vec<u32> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.01s
[INFO] running `Command { std: "docker" "inspect" "2ba1547615555b4f37a78c7cdcc78fe4806987b395d6fa60e2dd9d51b95e0705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2ba1547615555b4f37a78c7cdcc78fe4806987b395d6fa60e2dd9d51b95e0705", kill_on_drop: false }`
[INFO] [stdout] 2ba1547615555b4f37a78c7cdcc78fe4806987b395d6fa60e2dd9d51b95e0705
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "rustops/crates-build-env@sha256:c8ac004eab7d63a0ad09a2dde3d3353ba464f767bee4de425dc8f74c46a1905e" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 06aba8789198f9b3cf0a19cac1edc945225c20f620165a64f6e40303b372f3b7
[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" "06aba8789198f9b3cf0a19cac1edc945225c20f620165a64f6e40303b372f3b7", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `blocksworld::search::Node`
[INFO] [stderr]  --> src/blocksworld/test/mod.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use blocksworld::search::Node;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `blocksworld::test::test`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use blocksworld::test::test;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `blocksworld::search::Searcher`
[INFO] [stderr]  --> src/blocksworld/test/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use blocksworld::search::Searcher;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `latex_print`
[INFO] [stderr]   --> src/blocksworld/world.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn latex_print(&self) {
[INFO] [stderr]    |            ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `solution_depth_difficulty`
[INFO] [stderr]  --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solution_depth_difficulty(goal_world: World) -> Vec<(u8, World)> {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:23:12
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(start_world: World, max_difficulty: u8) -> SolutionDepthSearcher {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `search`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 31 |     pub fn search(mut self) -> Vec<(u8, World)> {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `grid_size_difficulty`
[INFO] [stderr]  --> src/blocksworld/test/problem_generators/grid_size_difficulty.rs:1:4
[INFO] [stderr]   |
[INFO] [stderr] 1 | fn grid_size_difficulty() {}
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test`
[INFO] [stderr]   --> src/blocksworld/test/mod.rs:16:8
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub fn test() {
[INFO] [stderr]    |        ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `run_all_searchers_average`
[INFO] [stderr]   --> src/blocksworld/test/mod.rs:39:4
[INFO] [stderr]    |
[INFO] [stderr] 39 | fn run_all_searchers_average(start_world: &World, goal_world: &World, difficulty: u8) -> Vec<u32> {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/blocksworld_solver-53caea5d2fe154b4
[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" "06aba8789198f9b3cf0a19cac1edc945225c20f620165a64f6e40303b372f3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06aba8789198f9b3cf0a19cac1edc945225c20f620165a64f6e40303b372f3b7", kill_on_drop: false }`
[INFO] [stdout] 06aba8789198f9b3cf0a19cac1edc945225c20f620165a64f6e40303b372f3b7