[INFO] cloning repository https://github.com/SamuelSchlesinger/biomass-breakout
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/SamuelSchlesinger/biomass-breakout" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelSchlesinger%2Fbiomass-breakout", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelSchlesinger%2Fbiomass-breakout'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5a86c3f5f16e25da944b2f5eb515395ebd094ab6
[INFO] building SamuelSchlesinger/biomass-breakout against master#c7f6aa2869acdbf014d094c6e427e554e160b6db for pr-146237-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FSamuelSchlesinger%2Fbiomass-breakout" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/SamuelSchlesinger/biomass-breakout
[INFO] finished tweaking git repo https://github.com/SamuelSchlesinger/biomass-breakout
[INFO] tweaked toml for git repo https://github.com/SamuelSchlesinger/biomass-breakout written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/SamuelSchlesinger/biomass-breakout on toolchain c7f6aa2869acdbf014d094c6e427e554e160b6db
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/SamuelSchlesinger/biomass-breakout 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" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded pkg-config v0.3.22
[INFO] [stderr]   Downloaded ab_glyph_rasterizer v0.1.5
[INFO] [stderr]   Downloaded raw-window-handle v0.3.4
[INFO] [stderr]   Downloaded approx v0.4.0
[INFO] [stderr]   Downloaded num_enum_derive v0.5.4
[INFO] [stderr]   Downloaded num_enum v0.5.4
[INFO] [stderr]   Downloaded proc-macro-crate v1.1.0
[INFO] [stderr]   Downloaded raw-window-handle v0.4.2
[INFO] [stderr]   Downloaded dirs-sys v0.3.6
[INFO] [stderr]   Downloaded core-foundation v0.9.2
[INFO] [stderr]   Downloaded core-foundation-sys v0.8.3
[INFO] [stderr]   Downloaded addr2line v0.17.0
[INFO] [stderr]   Downloaded proc-macro2 v1.0.32
[INFO] [stderr]   Downloaded crossbeam-deque v0.8.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.21
[INFO] [stderr]   Downloaded parking_lot_core v0.8.5
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded cgmath v0.18.0
[INFO] [stderr]   Downloaded mio v0.7.14
[INFO] [stderr]   Downloaded backtrace v0.3.63
[INFO] [stderr]   Downloaded serde v1.0.130
[INFO] [stderr]   Downloaded cc v1.0.72
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded nom v7.1.0
[INFO] [stderr]   Downloaded lock_api v0.4.5
[INFO] [stderr]   Downloaded redox_syscall v0.2.10
[INFO] [stderr]   Downloaded xdg v2.4.0
[INFO] [stderr]   Downloaded smallvec v1.7.0
[INFO] [stderr]   Downloaded dirs v3.0.2
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded redox_users v0.4.0
[INFO] [stderr]   Downloaded libloading v0.7.2
[INFO] [stderr]   Downloaded quote v1.0.10
[INFO] [stderr]   Downloaded x11-dl v2.19.1
[INFO] [stderr]   Downloaded object v0.27.1
[INFO] [stderr]   Downloaded syn v1.0.82
[INFO] [stderr]   Downloaded libc v0.2.108
[INFO] [stderr]   Downloaded gimli v0.26.1
[INFO] [stderr]   Downloaded glium v0.30.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 34d57d8aee54c71073aeaa8d30cbb16f7bc3259b18ca6e9764a3ed3cddf04074
[INFO] running `Command { std: "docker" "start" "-a" "34d57d8aee54c71073aeaa8d30cbb16f7bc3259b18ca6e9764a3ed3cddf04074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "34d57d8aee54c71073aeaa8d30cbb16f7bc3259b18ca6e9764a3ed3cddf04074", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34d57d8aee54c71073aeaa8d30cbb16f7bc3259b18ca6e9764a3ed3cddf04074", kill_on_drop: false }`
[INFO] [stdout] 34d57d8aee54c71073aeaa8d30cbb16f7bc3259b18ca6e9764a3ed3cddf04074
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e0219e2c793661b7240ae3fd2ef6bea09886e30cff4fde60aac8119e419b01d4
[INFO] running `Command { std: "docker" "start" "-a" "e0219e2c793661b7240ae3fd2ef6bea09886e30cff4fde60aac8119e419b01d4", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.108
[INFO] [stderr]    Compiling xml-rs v0.8.4
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling log v0.4.14
[INFO] [stderr]    Compiling proc-macro2 v1.0.32
[INFO] [stderr]    Compiling pkg-config v0.3.22
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling khronos_api v3.1.0
[INFO] [stderr]    Compiling libloading v0.7.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.5
[INFO] [stderr]    Compiling wayland-sys v0.28.6
[INFO] [stderr]    Compiling smallvec v1.7.0
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling dlib v0.5.0
[INFO] [stderr]    Compiling memoffset v0.6.4
[INFO] [stderr]    Compiling once_cell v1.8.0
[INFO] [stderr]    Compiling scopeguard v1.1.0
[INFO] [stderr]    Compiling gl_generator v0.14.0
[INFO] [stderr]    Compiling quote v1.0.10
[INFO] [stderr]    Compiling version_check v0.9.3
[INFO] [stderr]    Compiling wayland-scanner v0.28.6
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.5
[INFO] [stderr]    Compiling downcast-rs v1.2.0
[INFO] [stderr]    Compiling nom v7.1.0
[INFO] [stderr]    Compiling scoped-tls v1.0.0
[INFO] [stderr]    Compiling nix v0.20.0
[INFO] [stderr]    Compiling dirs-sys v0.3.6
[INFO] [stderr]    Compiling nix v0.18.0
[INFO] [stderr]    Compiling crossbeam-queue v0.3.2
[INFO] [stderr]    Compiling ttf-parser v0.6.2
[INFO] [stderr]    Compiling dirs v3.0.2
[INFO] [stderr]    Compiling x11-dl v2.19.1
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling parking_lot_core v0.8.5
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling ab_glyph_rasterizer v0.1.5
[INFO] [stderr]    Compiling crossbeam-deque v0.8.1
[INFO] [stderr]    Compiling walkdir v2.3.2
[INFO] [stderr]    Compiling xdg v2.4.0
[INFO] [stderr]    Compiling wayland-client v0.28.6
[INFO] [stderr]    Compiling wayland-protocols v0.28.6
[INFO] [stderr]    Compiling crossbeam-channel v0.5.1
[INFO] [stderr]    Compiling owned_ttf_parser v0.6.0
[INFO] [stderr]    Compiling rusttype v0.9.2
[INFO] [stderr]    Compiling libloading v0.6.7
[INFO] [stderr]    Compiling instant v0.1.12
[INFO] [stderr]    Compiling cty v0.2.2
[INFO] [stderr]    Compiling raw-window-handle v0.4.2
[INFO] [stderr]    Compiling dlib v0.4.2
[INFO] [stderr]    Compiling crossbeam v0.8.1
[INFO] [stderr]    Compiling andrew v0.3.1
[INFO] [stderr]    Compiling glutin_egl_sys v0.1.5
[INFO] [stderr]    Compiling glutin_glx_sys v0.1.7
[INFO] [stderr]    Compiling memmap2 v0.1.0
[INFO] [stderr]    Compiling mio v0.7.14
[INFO] [stderr]    Compiling xcursor v0.3.4
[INFO] [stderr]    Compiling lock_api v0.4.5
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling miniz_oxide v0.4.4
[INFO] [stderr]    Compiling cc v1.0.72
[INFO] [stderr]    Compiling winit v0.25.0
[INFO] [stderr]    Compiling parking_lot v0.11.2
[INFO] [stderr]    Compiling mio-misc v1.2.1
[INFO] [stderr]    Compiling calloop v0.6.5
[INFO] [stderr]    Compiling raw-window-handle v0.3.4
[INFO] [stderr]    Compiling shared_library v0.1.9
[INFO] [stderr]    Compiling wayland-commons v0.28.6
[INFO] [stderr]    Compiling gimli v0.26.1
[INFO] [stderr]    Compiling adler v1.0.2
[INFO] [stderr]    Compiling backtrace v0.3.63
[INFO] [stderr]    Compiling percent-encoding v2.1.0
[INFO] [stderr]    Compiling osmesa-sys v0.1.2
[INFO] [stderr]    Compiling glium v0.30.2
[INFO] [stderr]    Compiling object v0.27.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.21
[INFO] [stderr]    Compiling cgmath v0.18.0
[INFO] [stderr]    Compiling takeable-option v0.5.0
[INFO] [stderr]    Compiling approx v0.4.0
[INFO] [stderr]    Compiling wayland-cursor v0.28.6
[INFO] [stderr]    Compiling wayland-egl v0.28.6
[INFO] [stderr]    Compiling addr2line v0.17.0
[INFO] [stderr]    Compiling smithay-client-toolkit v0.12.3
[INFO] [stderr]    Compiling glutin v0.27.0
[INFO] [stderr]    Compiling biomass-breakout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Population` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Population {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Creature` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Creature {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CreatureId` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct CreatureId(u64);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Genome` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Genome {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Obituary` is never used
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum Obituary {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PopulationFitness` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct PopulationFitness {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SelectionStrategy` is never used
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait SelectionStrategy {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direction` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct Direction {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActiveCreature` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct ActiveCreature {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FitnessFunction` is never used
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 | trait FitnessFunction {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `receive` is never used
[INFO] [stdout]   --> src/game.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait Game {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn receive(&mut self, message: Self::Message);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 42s
[INFO] running `Command { std: "docker" "inspect" "e0219e2c793661b7240ae3fd2ef6bea09886e30cff4fde60aac8119e419b01d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e0219e2c793661b7240ae3fd2ef6bea09886e30cff4fde60aac8119e419b01d4", kill_on_drop: false }`
[INFO] [stdout] e0219e2c793661b7240ae3fd2ef6bea09886e30cff4fde60aac8119e419b01d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+c7f6aa2869acdbf014d094c6e427e554e160b6db" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 881ac3ef133d584b97026b622704abbb9708a9f86cbbb41118c3aa0c1b57c0c4
[INFO] running `Command { std: "docker" "start" "-a" "881ac3ef133d584b97026b622704abbb9708a9f86cbbb41118c3aa0c1b57c0c4", kill_on_drop: false }`
[INFO] [stderr]    Compiling biomass-breakout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: struct `Population` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:21:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Population {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Creature` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:28:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | pub struct Creature {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `CreatureId` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | pub struct CreatureId(u64);
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Genome` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:43:12
[INFO] [stdout]    |
[INFO] [stdout] 43 | pub struct Genome {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Obituary` is never used
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:51:10
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum Obituary {
[INFO] [stdout]    |          ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `PopulationFitness` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:61:12
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct PopulationFitness {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `SelectionStrategy` is never used
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:67:11
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub trait SelectionStrategy {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Position` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:77:12
[INFO] [stdout]    |
[INFO] [stdout] 77 | pub struct Position {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Direction` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:83:12
[INFO] [stdout]    |
[INFO] [stdout] 83 | pub struct Direction {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ActiveCreature` is never constructed
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:88:12
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub struct ActiveCreature {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `FitnessFunction` is never used
[INFO] [stdout]   --> src/biomass_breakout/simulation.rs:96:7
[INFO] [stdout]    |
[INFO] [stdout] 96 | trait FitnessFunction {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `receive` is never used
[INFO] [stdout]   --> src/game.rs:13:8
[INFO] [stdout]    |
[INFO] [stdout]  8 | pub trait Game {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 13 |     fn receive(&mut self, message: Self::Message);
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.57s
[INFO] running `Command { std: "docker" "inspect" "881ac3ef133d584b97026b622704abbb9708a9f86cbbb41118c3aa0c1b57c0c4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "881ac3ef133d584b97026b622704abbb9708a9f86cbbb41118c3aa0c1b57c0c4", kill_on_drop: false }`
[INFO] [stdout] 881ac3ef133d584b97026b622704abbb9708a9f86cbbb41118c3aa0c1b57c0c4
