[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] testing BorFour/procedural-level-generator against master#62efba8a050c64249dab942951bb28f710208bc8 for pr-90799
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorFour%2Fprocedural-level-generator" "/workspace/builds/worker-95/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-95/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BorFour/procedural-level-generator on toolchain 62efba8a050c64249dab942951bb28f710208bc8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "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-95/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" "+62efba8a050c64249dab942951bb28f710208bc8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.20
[INFO] [stderr]   Downloaded rand v0.5.1
[INFO] [stderr]   Downloaded num-traits v0.2.4
[INFO] [stderr]   Downloaded rsgenetic v1.7.14
[INFO] [stderr]   Downloaded pathfinding v0.7.3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2cbdcb1dc3b43d422497f9ee5cf576df11ee7b1cfd74987b2f9fa4519647f1dc
[INFO] running `Command { std: "docker" "start" "-a" "2cbdcb1dc3b43d422497f9ee5cf576df11ee7b1cfd74987b2f9fa4519647f1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cbdcb1dc3b43d422497f9ee5cf576df11ee7b1cfd74987b2f9fa4519647f1dc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cbdcb1dc3b43d422497f9ee5cf576df11ee7b1cfd74987b2f9fa4519647f1dc", kill_on_drop: false }`
[INFO] [stdout] 2cbdcb1dc3b43d422497f9ee5cf576df11ee7b1cfd74987b2f9fa4519647f1dc
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b2b538eb9fea7eb2ce9ca43afe1063e3121af5ef2214ee842cc6cd260ac61866
[INFO] running `Command { std: "docker" "start" "-a" "b2b538eb9fea7eb2ce9ca43afe1063e3121af5ef2214ee842cc6cd260ac61866", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[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 fixedbitset v0.1.9
[INFO] [stderr]    Compiling dtoa v0.4.2
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling itertools v0.7.8
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling syn v0.14.2
[INFO] [stderr]    Compiling crossbeam-deque v0.2.0
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling pathfinding v0.7.3
[INFO] [stderr]    Compiling rayon v1.0.1
[INFO] [stderr]    Compiling rsgenetic v1.7.14
[INFO] [stderr]    Compiling serde_derive v1.0.66
[INFO] [stderr]    Compiling serde_json v1.0.20
[INFO] [stderr]    Compiling 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: 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: `#[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 9.99s
[INFO] running `Command { std: "docker" "inspect" "b2b538eb9fea7eb2ce9ca43afe1063e3121af5ef2214ee842cc6cd260ac61866", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b2b538eb9fea7eb2ce9ca43afe1063e3121af5ef2214ee842cc6cd260ac61866", kill_on_drop: false }`
[INFO] [stdout] b2b538eb9fea7eb2ce9ca43afe1063e3121af5ef2214ee842cc6cd260ac61866
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b1f4ed7de8aae5fa0938203a6492ea7ad5f852bfaa9785219d78f628df323bb
[INFO] running `Command { std: "docker" "start" "-a" "4b1f4ed7de8aae5fa0938203a6492ea7ad5f852bfaa9785219d78f628df323bb", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling 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: 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: `#[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 test [unoptimized + debuginfo] target(s) in 6.19s
[INFO] running `Command { std: "docker" "inspect" "4b1f4ed7de8aae5fa0938203a6492ea7ad5f852bfaa9785219d78f628df323bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b1f4ed7de8aae5fa0938203a6492ea7ad5f852bfaa9785219d78f628df323bb", kill_on_drop: false }`
[INFO] [stdout] 4b1f4ed7de8aae5fa0938203a6492ea7ad5f852bfaa9785219d78f628df323bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-95/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e8397a04204aaf8b9f284182a6f9e27a3c2e67044d0943b4415b160bfc957681" "/opt/rustwide/cargo-home/bin/cargo" "+62efba8a050c64249dab942951bb28f710208bc8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] e6fad364e831012a2fcaef0caf6215f30fd782a0b6c596e3b8bd3781e1cf6354
[INFO] running `Command { std: "docker" "start" "-a" "e6fad364e831012a2fcaef0caf6215f30fd782a0b6c596e3b8bd3781e1cf6354", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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 associated function `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:47:64
[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 `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] warning: `level_generator` (bin "level_generator" test) generated 3 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/level_generator-e8d82273801431a1)
[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; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e6fad364e831012a2fcaef0caf6215f30fd782a0b6c596e3b8bd3781e1cf6354", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e6fad364e831012a2fcaef0caf6215f30fd782a0b6c596e3b8bd3781e1cf6354", kill_on_drop: false }`
[INFO] [stdout] e6fad364e831012a2fcaef0caf6215f30fd782a0b6c596e3b8bd3781e1cf6354