[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#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorFour%2Fprocedural-level-generator" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BorFour/procedural-level-generator on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7-tc1/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded serde_derive v1.0.66
[INFO] [stderr]   Downloaded dtoa v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.6
[INFO] [stderr]   Downloaded indexmap v1.0.1
[INFO] [stderr]   Downloaded syn v0.14.2
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded lazy_static v1.0.1
[INFO] [stderr]   Downloaded rsgenetic v1.7.14
[INFO] [stderr]   Downloaded quote v0.6.3
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] [stderr]   Downloaded serde_json v1.0.20
[INFO] [stderr]   Downloaded pathfinding v0.7.3
[INFO] [stderr]   Downloaded serde v1.0.66
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c4585be7612463a67244af486bdb56efb7a29c810cc5fe43eb21ba1a302ce40c
[INFO] running `Command { std: "docker" "start" "-a" "c4585be7612463a67244af486bdb56efb7a29c810cc5fe43eb21ba1a302ce40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c4585be7612463a67244af486bdb56efb7a29c810cc5fe43eb21ba1a302ce40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c4585be7612463a67244af486bdb56efb7a29c810cc5fe43eb21ba1a302ce40c", kill_on_drop: false }`
[INFO] [stdout] c4585be7612463a67244af486bdb56efb7a29c810cc5fe43eb21ba1a302ce40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 442287fb06466d2d0aef1e57e7c452bf694b46b54646456b9eb44f87a0487ac0
[INFO] running `Command { std: "docker" "start" "-a" "442287fb06466d2d0aef1e57e7c452bf694b46b54646456b9eb44f87a0487ac0", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.42
[INFO] [stderr]     Checking cfg-if v0.1.3
[INFO] [stderr]     Checking nodrop v0.1.12
[INFO] [stderr]     Checking lazy_static v1.0.1
[INFO] [stderr]     Checking memoffset v0.2.1
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.4.0
[INFO] [stderr]    Compiling num-traits v0.2.4
[INFO] [stderr]    Compiling serde v1.0.66
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]     Checking fixedbitset v0.1.9
[INFO] [stderr]     Checking itoa v0.4.1
[INFO] [stderr]     Checking indexmap v1.0.1
[INFO] [stderr]     Checking rand_core v0.2.1
[INFO] [stderr]     Checking dtoa v0.4.2
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[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 rand v0.4.2
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking rand v0.3.22
[INFO] [stderr]     Checking pathfinding v0.7.3
[INFO] [stderr]     Checking rayon v1.0.1
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]     Checking rsgenetic v1.7.14
[INFO] [stderr]     Checking serde_json v1.0.20
[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 associated function `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:47:64
[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 associated function `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:47:64
[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 `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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `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: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 57 |         let _ = stdout().flush();
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.55s
[INFO] [stderr] warning: the following packages contain code that will be rejected by a future version of Rust: syn v0.14.2
[INFO] [stderr] note: to see what the problems were, use the option `--future-incompat-report`, or run `cargo report future-incompatibilities --id 2`
[INFO] running `Command { std: "docker" "inspect" "442287fb06466d2d0aef1e57e7c452bf694b46b54646456b9eb44f87a0487ac0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "442287fb06466d2d0aef1e57e7c452bf694b46b54646456b9eb44f87a0487ac0", kill_on_drop: false }`
[INFO] [stdout] 442287fb06466d2d0aef1e57e7c452bf694b46b54646456b9eb44f87a0487ac0
