[INFO] cloning repository https://github.com/BorFour/procedural-level-generator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/BorFour/procedural-level-generator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorFour%2Fprocedural-level-generator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorFour%2Fprocedural-level-generator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec068f1f521a1b4cfacba63704324a7a84b5002a
[INFO] checking BorFour/procedural-level-generator against master#e1beee4992ad4b235fc700bf7af1ee86f894ea53 for pr-74130
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorFour%2Fprocedural-level-generator" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BorFour/procedural-level-generator on toolchain e1beee4992ad4b235fc700bf7af1ee86f894ea53
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/BorFour/procedural-level-generator
[INFO] finished tweaking git repo https://github.com/BorFour/procedural-level-generator
[INFO] tweaked toml for git repo https://github.com/BorFour/procedural-level-generator written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/BorFour/procedural-level-generator already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ca4d32f1b539c2cc2d1ad8322e3a5ee28a62bfb8e7c1ce08d5f99b28a24b25e6
[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" "ca4d32f1b539c2cc2d1ad8322e3a5ee28a62bfb8e7c1ce08d5f99b28a24b25e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ca4d32f1b539c2cc2d1ad8322e3a5ee28a62bfb8e7c1ce08d5f99b28a24b25e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca4d32f1b539c2cc2d1ad8322e3a5ee28a62bfb8e7c1ce08d5f99b28a24b25e6", kill_on_drop: false }`
[INFO] [stdout] ca4d32f1b539c2cc2d1ad8322e3a5ee28a62bfb8e7c1ce08d5f99b28a24b25e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+e1beee4992ad4b235fc700bf7af1ee86f894ea53" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1f2537aef637149b7a34e6f54369746810a452c23203ea82406fabc57db4edea
[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" "1f2537aef637149b7a34e6f54369746810a452c23203ea82406fabc57db4edea", kill_on_drop: false }`
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking scopeguard v0.3.3
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]     Checking serde_json v1.0.20
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking arrayvec v0.4.7
[INFO] [stderr]     Checking itertools v0.7.8
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]     Checking pathfinding v0.7.3
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking rsgenetic v1.7.14
[INFO] [stderr]     Checking level_generator v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `position::search_path_in_level`
[INFO] [stdout]   --> src/natural_selection.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use position::search_path_in_level;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `position::search_path_in_level`
[INFO] [stdout]   --> src/natural_selection.rs:15:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | use position::search_path_in_level;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
[INFO] [stdout]                        by the `new` function. You should use `new_checked` instead.
[INFO] [stdout]   --> src/natural_selection.rs:47:44
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'rsgenetic::sim::select::TournamentSelector::new': The `TournamentSelector` requires at least 2 participants. This is not enforced
[INFO] [stdout]                        by the `new` function. You should use `new_checked` instead.
[INFO] [stdout]   --> src/natural_selection.rs:47:44
[INFO] [stdout]    |
[INFO] [stdout] 47 |                     .set_selector(Box::new(TournamentSelector::new(population_size/5, 10)))
[INFO] [stdout]    |                                            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/natural_selection.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/natural_selection.rs:57:9
[INFO] [stdout]    |
[INFO] [stdout] 57 |         stdout().flush();
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.64s
[INFO] running `Command { std: "docker" "inspect" "1f2537aef637149b7a34e6f54369746810a452c23203ea82406fabc57db4edea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1f2537aef637149b7a34e6f54369746810a452c23203ea82406fabc57db4edea", kill_on_drop: false }`
[INFO] [stdout] 1f2537aef637149b7a34e6f54369746810a452c23203ea82406fabc57db4edea