[INFO] cloning repository https://github.com/icechair/spring-challenge-2021
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icechair/spring-challenge-2021" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficechair%2Fspring-challenge-2021", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficechair%2Fspring-challenge-2021'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 55bf79b45e3f824b6c0a241d5a4d817fb75c442d
[INFO] testing icechair/spring-challenge-2021 against 1.59.0 for beta-1.60-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficechair%2Fspring-challenge-2021" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icechair/spring-challenge-2021 on toolchain 1.59.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/icechair/spring-challenge-2021
[INFO] finished tweaking git repo https://github.com/icechair/spring-challenge-2021
[INFO] tweaked toml for git repo https://github.com/icechair/spring-challenge-2021 written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/icechair/spring-challenge-2021 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.59.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5838be80d3bd96f9b0c14c551b42928167b762df099310f5b90da44dafd6c6b
[INFO] running `Command { std: "docker" "start" "-a" "b5838be80d3bd96f9b0c14c551b42928167b762df099310f5b90da44dafd6c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5838be80d3bd96f9b0c14c551b42928167b762df099310f5b90da44dafd6c6b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5838be80d3bd96f9b0c14c551b42928167b762df099310f5b90da44dafd6c6b", kill_on_drop: false }`
[INFO] [stdout] b5838be80d3bd96f9b0c14c551b42928167b762df099310f5b90da44dafd6c6b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e5196e3a97b5b3153119486285a183d52025265c3422c70584cd78cdaca31882
[INFO] running `Command { std: "docker" "start" "-a" "e5196e3a97b5b3153119486285a183d52025265c3422c70584cd78cdaca31882", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling springbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sun_direction`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn sun_direction(day: i32) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `richness`
[INFO] [stdout]   --> src/main.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   richness: i32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `neighbours`
[INFO] [stdout]   --> src/main.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 |   neighbours: [i32; 6],
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shadow`
[INFO] [stdout]   --> src/main.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |   shadow: i32,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn next(&self, direction: usize) -> Option<i32> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cast_shadows`
[INFO] [stdout]   --> src/main.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |   pub fn cast_shadows(&mut self, direction: usize, trees: &Vec<Tree>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cell_index`
[INFO] [stdout]   --> src/main.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |   cell_index: i32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/main.rs:98:3
[INFO] [stdout]    |
[INFO] [stdout] 98 |   size: i32,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_mine`
[INFO] [stdout]   --> src/main.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 |   is_mine: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_dormant`
[INFO] [stdout]    --> src/main.rs:100:3
[INFO] [stdout]     |
[INFO] [stdout] 100 |   is_dormant: bool,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]    --> src/main.rs:123:3
[INFO] [stdout]     |
[INFO] [stdout] 123 |   hash: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `category`
[INFO] [stdout]    --> src/main.rs:124:3
[INFO] [stdout]     |
[INFO] [stdout] 124 |   category: ActionCategory,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/main.rs:125:3
[INFO] [stdout]     |
[INFO] [stdout] 125 |   value: i32,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/main.rs:148:3
[INFO] [stdout]     |
[INFO] [stdout] 148 |   index: i32,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nutrients`
[INFO] [stdout]    --> src/main.rs:149:3
[INFO] [stdout]     |
[INFO] [stdout] 149 |   nutrients: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sun`
[INFO] [stdout]    --> src/main.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 |   sun: i32,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `score`
[INFO] [stdout]    --> src/main.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |   score: i32,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opp_sun`
[INFO] [stdout]    --> src/main.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   opp_sun: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opp_score`
[INFO] [stdout]    --> src/main.rs:153:3
[INFO] [stdout]     |
[INFO] [stdout] 153 |   opp_score: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opp_is_waiting`
[INFO] [stdout]    --> src/main.rs:154:3
[INFO] [stdout]     |
[INFO] [stdout] 154 |   opp_is_waiting: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 11.47s
[INFO] running `Command { std: "docker" "inspect" "e5196e3a97b5b3153119486285a183d52025265c3422c70584cd78cdaca31882", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e5196e3a97b5b3153119486285a183d52025265c3422c70584cd78cdaca31882", kill_on_drop: false }`
[INFO] [stdout] e5196e3a97b5b3153119486285a183d52025265c3422c70584cd78cdaca31882
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 44654314e4e4b5df3963d4c85abc21141cbe80b2974e81e35893bca67339a2c0
[INFO] running `Command { std: "docker" "start" "-a" "44654314e4e4b5df3963d4c85abc21141cbe80b2974e81e35893bca67339a2c0", kill_on_drop: false }`
[INFO] [stderr]    Compiling springbot v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: function is never used: `sun_direction`
[INFO] [stdout]   --> src/main.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn sun_direction(day: i32) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `richness`
[INFO] [stdout]   --> src/main.rs:27:3
[INFO] [stdout]    |
[INFO] [stdout] 27 |   richness: i32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `neighbours`
[INFO] [stdout]   --> src/main.rs:28:3
[INFO] [stdout]    |
[INFO] [stdout] 28 |   neighbours: [i32; 6],
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `shadow`
[INFO] [stdout]   --> src/main.rs:29:3
[INFO] [stdout]    |
[INFO] [stdout] 29 |   shadow: i32,
[INFO] [stdout]    |   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `next`
[INFO] [stdout]   --> src/main.rs:50:10
[INFO] [stdout]    |
[INFO] [stdout] 50 |   pub fn next(&self, direction: usize) -> Option<i32> {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cast_shadows`
[INFO] [stdout]   --> src/main.rs:76:10
[INFO] [stdout]    |
[INFO] [stdout] 76 |   pub fn cast_shadows(&mut self, direction: usize, trees: &Vec<Tree>) {
[INFO] [stdout]    |          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `cell_index`
[INFO] [stdout]   --> src/main.rs:97:3
[INFO] [stdout]    |
[INFO] [stdout] 97 |   cell_index: i32,
[INFO] [stdout]    |   ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `size`
[INFO] [stdout]   --> src/main.rs:98:3
[INFO] [stdout]    |
[INFO] [stdout] 98 |   size: i32,
[INFO] [stdout]    |   ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_mine`
[INFO] [stdout]   --> src/main.rs:99:3
[INFO] [stdout]    |
[INFO] [stdout] 99 |   is_mine: bool,
[INFO] [stdout]    |   ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `is_dormant`
[INFO] [stdout]    --> src/main.rs:100:3
[INFO] [stdout]     |
[INFO] [stdout] 100 |   is_dormant: bool,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `hash`
[INFO] [stdout]    --> src/main.rs:123:3
[INFO] [stdout]     |
[INFO] [stdout] 123 |   hash: String,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `category`
[INFO] [stdout]    --> src/main.rs:124:3
[INFO] [stdout]     |
[INFO] [stdout] 124 |   category: ActionCategory,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `value`
[INFO] [stdout]    --> src/main.rs:125:3
[INFO] [stdout]     |
[INFO] [stdout] 125 |   value: i32,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `index`
[INFO] [stdout]    --> src/main.rs:148:3
[INFO] [stdout]     |
[INFO] [stdout] 148 |   index: i32,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `nutrients`
[INFO] [stdout]    --> src/main.rs:149:3
[INFO] [stdout]     |
[INFO] [stdout] 149 |   nutrients: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `sun`
[INFO] [stdout]    --> src/main.rs:150:3
[INFO] [stdout]     |
[INFO] [stdout] 150 |   sun: i32,
[INFO] [stdout]     |   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `score`
[INFO] [stdout]    --> src/main.rs:151:3
[INFO] [stdout]     |
[INFO] [stdout] 151 |   score: i32,
[INFO] [stdout]     |   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opp_sun`
[INFO] [stdout]    --> src/main.rs:152:3
[INFO] [stdout]     |
[INFO] [stdout] 152 |   opp_sun: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opp_score`
[INFO] [stdout]    --> src/main.rs:153:3
[INFO] [stdout]     |
[INFO] [stdout] 153 |   opp_score: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `opp_is_waiting`
[INFO] [stdout]    --> src/main.rs:154:3
[INFO] [stdout]     |
[INFO] [stdout] 154 |   opp_is_waiting: i32,
[INFO] [stdout]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.63s
[INFO] running `Command { std: "docker" "inspect" "44654314e4e4b5df3963d4c85abc21141cbe80b2974e81e35893bca67339a2c0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "44654314e4e4b5df3963d4c85abc21141cbe80b2974e81e35893bca67339a2c0", kill_on_drop: false }`
[INFO] [stdout] 44654314e4e4b5df3963d4c85abc21141cbe80b2974e81e35893bca67339a2c0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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=warn" "-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@sha256:0cd99ca24d8e8c98e67c542213511d985b8778b5bdcbb160e038429496686047" "/opt/rustwide/cargo-home/bin/cargo" "+1.59.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] d61220dc6506ce0238a3af984ab41270b33d32056c3e4ab38d6fe95df71739f1
[INFO] running `Command { std: "docker" "start" "-a" "d61220dc6506ce0238a3af984ab41270b33d32056c3e4ab38d6fe95df71739f1", kill_on_drop: false }`
[INFO] [stderr] warning: function is never used: `sun_direction`
[INFO] [stderr]   --> src/main.rs:20:4
[INFO] [stderr]    |
[INFO] [stderr] 20 | fn sun_direction(day: i32) -> usize {
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `richness`
[INFO] [stderr]   --> src/main.rs:27:3
[INFO] [stderr]    |
[INFO] [stderr] 27 |   richness: i32,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `neighbours`
[INFO] [stderr]   --> src/main.rs:28:3
[INFO] [stderr]    |
[INFO] [stderr] 28 |   neighbours: [i32; 6],
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `shadow`
[INFO] [stderr]   --> src/main.rs:29:3
[INFO] [stderr]    |
[INFO] [stderr] 29 |   shadow: i32,
[INFO] [stderr]    |   ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]   --> src/main.rs:50:10
[INFO] [stderr]    |
[INFO] [stderr] 50 |   pub fn next(&self, direction: usize) -> Option<i32> {
[INFO] [stderr]    |          ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `cast_shadows`
[INFO] [stderr]   --> src/main.rs:76:10
[INFO] [stderr]    |
[INFO] [stderr] 76 |   pub fn cast_shadows(&mut self, direction: usize, trees: &Vec<Tree>) {
[INFO] [stderr]    |          ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `cell_index`
[INFO] [stderr]   --> src/main.rs:97:3
[INFO] [stderr]    |
[INFO] [stderr] 97 |   cell_index: i32,
[INFO] [stderr]    |   ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `size`
[INFO] [stderr]   --> src/main.rs:98:3
[INFO] [stderr]    |
[INFO] [stderr] 98 |   size: i32,
[INFO] [stderr]    |   ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_mine`
[INFO] [stderr]   --> src/main.rs:99:3
[INFO] [stderr]    |
[INFO] [stderr] 99 |   is_mine: bool,
[INFO] [stderr]    |   ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `is_dormant`
[INFO] [stderr]    --> src/main.rs:100:3
[INFO] [stderr]     |
[INFO] [stderr] 100 |   is_dormant: bool,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `hash`
[INFO] [stderr]    --> src/main.rs:123:3
[INFO] [stderr]     |
[INFO] [stderr] 123 |   hash: String,
[INFO] [stderr]     |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `category`
[INFO] [stderr]    --> src/main.rs:124:3
[INFO] [stderr]     |
[INFO] [stderr] 124 |   category: ActionCategory,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `value`
[INFO] [stderr]    --> src/main.rs:125:3
[INFO] [stderr]     |
[INFO] [stderr] 125 |   value: i32,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `index`
[INFO] [stderr]    --> src/main.rs:148:3
[INFO] [stderr]     |
[INFO] [stderr] 148 |   index: i32,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `nutrients`
[INFO] [stderr]    --> src/main.rs:149:3
[INFO] [stderr]     |
[INFO] [stderr] 149 |   nutrients: i32,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `sun`
[INFO] [stderr]    --> src/main.rs:150:3
[INFO] [stderr]     |
[INFO] [stderr] 150 |   sun: i32,
[INFO] [stderr]     |   ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `score`
[INFO] [stderr]    --> src/main.rs:151:3
[INFO] [stderr]     |
[INFO] [stderr] 151 |   score: i32,
[INFO] [stderr]     |   ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opp_sun`
[INFO] [stderr]    --> src/main.rs:152:3
[INFO] [stderr]     |
[INFO] [stderr] 152 |   opp_sun: i32,
[INFO] [stderr]     |   ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opp_score`
[INFO] [stderr]    --> src/main.rs:153:3
[INFO] [stderr]     |
[INFO] [stderr] 153 |   opp_score: i32,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `opp_is_waiting`
[INFO] [stderr]    --> src/main.rs:154:3
[INFO] [stderr]     |
[INFO] [stderr] 154 |   opp_is_waiting: i32,
[INFO] [stderr]     |   ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `springbot` (bin "springbot" test) generated 20 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.31s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/springbot-227db4bc36ce74a5)
[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" "d61220dc6506ce0238a3af984ab41270b33d32056c3e4ab38d6fe95df71739f1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d61220dc6506ce0238a3af984ab41270b33d32056c3e4ab38d6fe95df71739f1", kill_on_drop: false }`
[INFO] [stdout] d61220dc6506ce0238a3af984ab41270b33d32056c3e4ab38d6fe95df71739f1