[INFO] updating cached repository rookwood101/blocksworld_solver
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/rookwood101/blocksworld_solver
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/rookwood101/blocksworld_solver" "work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rookwood101/blocksworld_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rookwood101/blocksworld_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/rookwood101/blocksworld_solver" "work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rookwood101/blocksworld_solver"`
[INFO] [stderr] Cloning into 'work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rookwood101/blocksworld_solver'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 625cca7c82e6d72c16742e25e11b0362ec8bec92
[INFO] sha for GitHub repo rookwood101/blocksworld_solver: 625cca7c82e6d72c16742e25e11b0362ec8bec92
[INFO] validating manifest of rookwood101/blocksworld_solver on toolchain master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of rookwood101/blocksworld_solver on toolchain try#7fea0229842e79db1159ea58ad9a653b288efee9
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing rookwood101/blocksworld_solver
[INFO] finished frobbing rookwood101/blocksworld_solver
[INFO] frobbed toml for rookwood101/blocksworld_solver written to work/ex/pr-57967/sources/master#c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54/gh/rookwood101/blocksworld_solver/Cargo.toml
[INFO] started frobbing rookwood101/blocksworld_solver
[INFO] finished frobbing rookwood101/blocksworld_solver
[INFO] frobbed toml for rookwood101/blocksworld_solver written to work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rookwood101/blocksworld_solver/Cargo.toml
[INFO] crate rookwood101/blocksworld_solver has a lockfile. skipping
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c1c3c4e95b69dfeaca5c5db6c622d7f90ad30a54-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing rookwood101/blocksworld_solver against try#7fea0229842e79db1159ea58ad9a653b288efee9 for pr-57967
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rookwood101/blocksworld_solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "build" "--frozen"`
[INFO] [stdout] e86fdf7e7c92895ab750454d7c33c013dcfbe916cbf89aaf131595769292fe34
[INFO] running `"docker" "start" "-a" "e86fdf7e7c92895ab750454d7c33c013dcfbe916cbf89aaf131595769292fe34"`
[INFO] [stderr]    Compiling bidir-map v0.3.0
[INFO] [stderr]    Compiling blocksworld_solver v0.1.0 (/opt/crater/workdir)
[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: method is never used: `latex_print`
[INFO] [stderr]   --> src/blocksworld/world.rs:52:5
[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:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solution_depth_difficulty(goal_world: World) -> Vec<(u8, World)> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SolutionDepthSearcher`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct SolutionDepthSearcher {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(start_world: World, max_difficulty: u8) -> SolutionDepthSearcher {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `search`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:31:5
[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:1:1
[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:16:1
[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:39:1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 2.44s
[INFO] running `"docker" "inspect" "e86fdf7e7c92895ab750454d7c33c013dcfbe916cbf89aaf131595769292fe34"`
[INFO] running `"docker" "rm" "-f" "e86fdf7e7c92895ab750454d7c33c013dcfbe916cbf89aaf131595769292fe34"`
[INFO] [stdout] e86fdf7e7c92895ab750454d7c33c013dcfbe916cbf89aaf131595769292fe34
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rookwood101/blocksworld_solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen" "--no-run"`
[INFO] [stdout] 2a152072b716317006edecb2c9b57586922a3d0b1f29c485d200ac394ce876ef
[INFO] running `"docker" "start" "-a" "2a152072b716317006edecb2c9b57586922a3d0b1f29c485d200ac394ce876ef"`
[INFO] [stderr]    Compiling blocksworld_solver v0.1.0 (/opt/crater/workdir)
[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: method is never used: `latex_print`
[INFO] [stderr]   --> src/blocksworld/world.rs:52:5
[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:9:1
[INFO] [stderr]   |
[INFO] [stderr] 9 | pub fn solution_depth_difficulty(goal_world: World) -> Vec<(u8, World)> {
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `SolutionDepthSearcher`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:16:1
[INFO] [stderr]    |
[INFO] [stderr] 16 | pub struct SolutionDepthSearcher {
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `new`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:23:5
[INFO] [stderr]    |
[INFO] [stderr] 23 |     pub fn new(start_world: World, max_difficulty: u8) -> SolutionDepthSearcher {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `search`
[INFO] [stderr]   --> src/blocksworld/test/problem_generators/solution_depth_difficulty.rs:31:5
[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:1:1
[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:16:1
[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:39:1
[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]     Finished dev [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `"docker" "inspect" "2a152072b716317006edecb2c9b57586922a3d0b1f29c485d200ac394ce876ef"`
[INFO] running `"docker" "rm" "-f" "2a152072b716317006edecb2c9b57586922a3d0b1f29c485d200ac394ce876ef"`
[INFO] [stdout] 2a152072b716317006edecb2c9b57586922a3d0b1f29c485d200ac394ce876ef
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-57967/worker-0/try#7fea0229842e79db1159ea58ad9a653b288efee9:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-57967/sources/try#7fea0229842e79db1159ea58ad9a653b288efee9/gh/rookwood101/blocksworld_solver:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+7fea0229842e79db1159ea58ad9a653b288efee9-alt" "test" "--frozen"`
[INFO] [stdout] d16157cbf7b9fc0133fc2e6d8e75eadfa987359b93fdce54467fb22e78d346c6
[INFO] running `"docker" "start" "-a" "d16157cbf7b9fc0133fc2e6d8e75eadfa987359b93fdce54467fb22e78d346c6"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/blocksworld_solver-a72f93791ef65768
[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 `"docker" "inspect" "d16157cbf7b9fc0133fc2e6d8e75eadfa987359b93fdce54467fb22e78d346c6"`
[INFO] running `"docker" "rm" "-f" "d16157cbf7b9fc0133fc2e6d8e75eadfa987359b93fdce54467fb22e78d346c6"`
[INFO] [stdout] d16157cbf7b9fc0133fc2e6d8e75eadfa987359b93fdce54467fb22e78d346c6