[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#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FBorFour%2Fprocedural-level-generator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/BorFour/procedural-level-generator on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-6/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9957d9abd3ade9c32d8c2587d65078221c878ec7e3756c402d143d0d82d0904
[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" "b9957d9abd3ade9c32d8c2587d65078221c878ec7e3756c402d143d0d82d0904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9957d9abd3ade9c32d8c2587d65078221c878ec7e3756c402d143d0d82d0904", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9957d9abd3ade9c32d8c2587d65078221c878ec7e3756c402d143d0d82d0904", kill_on_drop: false }`
[INFO] [stdout] b9957d9abd3ade9c32d8c2587d65078221c878ec7e3756c402d143d0d82d0904
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37283d9c24a03404ae847a93e4aed9e3d3a52050f2e3aba6909e49951f7531b0
[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" "37283d9c24a03404ae847a93e4aed9e3d3a52050f2e3aba6909e49951f7531b0", 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]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling lazy_static v1.0.1
[INFO] [stderr]    Compiling memoffset v0.2.1
[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 rand_core v0.2.1
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling fixedbitset v0.1.9
[INFO] [stderr]    Compiling indexmap v1.0.1
[INFO] [stderr]    Compiling rand v0.4.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling proc-macro2 v0.4.6
[INFO] [stderr]    Compiling crossbeam-utils v0.2.2
[INFO] [stderr]    Compiling rand v0.5.1
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[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 rayon v1.0.1
[INFO] [stderr]    Compiling pathfinding v0.7.3
[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:47:44
[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] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 40.64s
[INFO] running `Command { std: "docker" "inspect" "37283d9c24a03404ae847a93e4aed9e3d3a52050f2e3aba6909e49951f7531b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37283d9c24a03404ae847a93e4aed9e3d3a52050f2e3aba6909e49951f7531b0", kill_on_drop: false }`
[INFO] [stdout] 37283d9c24a03404ae847a93e4aed9e3d3a52050f2e3aba6909e49951f7531b0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5a1ad4c5520a32acccbae1f812251511c74db5fbae964fa8d30d95db9d2f000d
[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" "5a1ad4c5520a32acccbae1f812251511c74db5fbae964fa8d30d95db9d2f000d", kill_on_drop: false }`
[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:47:44
[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] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.38s
[INFO] running `Command { std: "docker" "inspect" "5a1ad4c5520a32acccbae1f812251511c74db5fbae964fa8d30d95db9d2f000d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5a1ad4c5520a32acccbae1f812251511c74db5fbae964fa8d30d95db9d2f000d", kill_on_drop: false }`
[INFO] [stdout] 5a1ad4c5520a32acccbae1f812251511c74db5fbae964fa8d30d95db9d2f000d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "test" "--frozen", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] aca3d344f4ab053e2fac6ce9e690b55435bc09e701305a6ecd6d762de87931bb
[INFO] running `Command { std: "docker" "start" "-a" "aca3d344f4ab053e2fac6ce9e690b55435bc09e701305a6ecd6d762de87931bb", kill_on_drop: false }`
[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:47:44
[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] warning: 3 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/level_generator-1b7271c99b9f3b1e
[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 `Command { std: "docker" "inspect" "aca3d344f4ab053e2fac6ce9e690b55435bc09e701305a6ecd6d762de87931bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aca3d344f4ab053e2fac6ce9e690b55435bc09e701305a6ecd6d762de87931bb", kill_on_drop: false }`
[INFO] [stdout] aca3d344f4ab053e2fac6ce9e690b55435bc09e701305a6ecd6d762de87931bb