[INFO] updating cached repository BorFour/procedural-level-generator
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/BorFour/procedural-level-generator
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/BorFour/procedural-level-generator" "work/ex/beta-1.37-6/sources/1.36.0/gh/BorFour/procedural-level-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/BorFour/procedural-level-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/BorFour/procedural-level-generator" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BorFour/procedural-level-generator"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BorFour/procedural-level-generator'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] ec068f1f521a1b4cfacba63704324a7a84b5002a
[INFO] sha for GitHub repo BorFour/procedural-level-generator: ec068f1f521a1b4cfacba63704324a7a84b5002a
[INFO] validating manifest of BorFour/procedural-level-generator on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of BorFour/procedural-level-generator on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing BorFour/procedural-level-generator
[INFO] finished frobbing BorFour/procedural-level-generator
[INFO] frobbed toml for BorFour/procedural-level-generator written to work/ex/beta-1.37-6/sources/1.36.0/gh/BorFour/procedural-level-generator/Cargo.toml
[INFO] started frobbing BorFour/procedural-level-generator
[INFO] finished frobbing BorFour/procedural-level-generator
[INFO] frobbed toml for BorFour/procedural-level-generator written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BorFour/procedural-level-generator/Cargo.toml
[INFO] crate BorFour/procedural-level-generator already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] testing BorFour/procedural-level-generator against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BorFour/procedural-level-generator:/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=warn" "-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" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 3757540facf543228f274b1598931696efd4605d9140df3dc4516be27affd921
[INFO] running `"docker" "start" "-a" "3757540facf543228f274b1598931696efd4605d9140df3dc4516be27affd921"`
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling pathfinding v0.7.3
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling rsgenetic v1.7.14
[INFO] [stderr]    Compiling level_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `position::search_path_in_level`
[INFO] [stderr]   --> src/natural_selection.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use position::search_path_in_level;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
[INFO] [stderr]                        by the `new` function. You should use `new_checked` instead.
[INFO] [stderr]   --> src/natural_selection.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/natural_selection.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.18s
[INFO] running `"docker" "inspect" "3757540facf543228f274b1598931696efd4605d9140df3dc4516be27affd921"`
[INFO] running `"docker" "rm" "-f" "3757540facf543228f274b1598931696efd4605d9140df3dc4516be27affd921"`
[INFO] [stdout] 3757540facf543228f274b1598931696efd4605d9140df3dc4516be27affd921
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BorFour/procedural-level-generator:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen" "--no-run"`
[INFO] [stdout] 34edead10ec4ef11f9cf8e1131d7ecb7ec7e22e65ea3957e3e6f756dad5f9ef7
[INFO] running `"docker" "start" "-a" "34edead10ec4ef11f9cf8e1131d7ecb7ec7e22e65ea3957e3e6f756dad5f9ef7"`
[INFO] [stderr]    Compiling level_generator v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: unused import: `position::search_path_in_level`
[INFO] [stderr]   --> src/natural_selection.rs:15:5
[INFO] [stderr]    |
[INFO] [stderr] 15 | use position::search_path_in_level;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_imports)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
[INFO] [stderr]                        by the `new` function. You should use `new_checked` instead.
[INFO] [stderr]   --> src/natural_selection.rs:47:44
[INFO] [stderr]    |
[INFO] [stderr] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
[INFO] [stderr]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/natural_selection.rs:57:9
[INFO] [stderr]    |
[INFO] [stderr] 57 |         stdout().flush();
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(unused_must_use)] on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.35s
[INFO] running `"docker" "inspect" "34edead10ec4ef11f9cf8e1131d7ecb7ec7e22e65ea3957e3e6f756dad5f9ef7"`
[INFO] running `"docker" "rm" "-f" "34edead10ec4ef11f9cf8e1131d7ecb7ec7e22e65ea3957e3e6f756dad5f9ef7"`
[INFO] [stdout] 34edead10ec4ef11f9cf8e1131d7ecb7ec7e22e65ea3957e3e6f756dad5f9ef7
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/BorFour/procedural-level-generator:/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=warn" "-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" "+beta-2019-07-23" "test" "--frozen"`
[INFO] [stdout] cf944f8dbc2e687e085e499d6813a27a976d37f233575e55de45db06039a59ce
[INFO] running `"docker" "start" "-a" "cf944f8dbc2e687e085e499d6813a27a976d37f233575e55de45db06039a59ce"`
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running /opt/crater/target/debug/deps/level_generator-8fe69aa3b61fcbf5
[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" "cf944f8dbc2e687e085e499d6813a27a976d37f233575e55de45db06039a59ce"`
[INFO] running `"docker" "rm" "-f" "cf944f8dbc2e687e085e499d6813a27a976d37f233575e55de45db06039a59ce"`
[INFO] [stdout] cf944f8dbc2e687e085e499d6813a27a976d37f233575e55de45db06039a59ce