[INFO] cloning repository https://github.com/WbaN314/battlesnake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/WbaN314/battlesnake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWbaN314%2Fbattlesnake", kill_on_drop: false }`
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[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f98c89fad84a759e1e3e093b67c07d48cd18f24a
[INFO] checking WbaN314/battlesnake against try#4f260f0f20b3133d20cfb50353c0221943af5796+rustflags=-Dunmustuse_in_always_ok for pr-148577
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FWbaN314%2Fbattlesnake" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/WbaN314/battlesnake
[INFO] finished tweaking git repo https://github.com/WbaN314/battlesnake
[INFO] tweaked toml for git repo https://github.com/WbaN314/battlesnake written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/WbaN314/battlesnake on toolchain 4f260f0f20b3133d20cfb50353c0221943af5796
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/WbaN314/battlesnake 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" "+4f260f0f20b3133d20cfb50353c0221943af5796" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] fbbf52c1aa0e55e289e75379168392ad4789f751ee8a588bc01fbdca82f8f4fe
[INFO] running `Command { std: "docker" "start" "-a" "fbbf52c1aa0e55e289e75379168392ad4789f751ee8a588bc01fbdca82f8f4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fbbf52c1aa0e55e289e75379168392ad4789f751ee8a588bc01fbdca82f8f4fe", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fbbf52c1aa0e55e289e75379168392ad4789f751ee8a588bc01fbdca82f8f4fe", kill_on_drop: false }`
[INFO] [stdout] fbbf52c1aa0e55e289e75379168392ad4789f751ee8a588bc01fbdca82f8f4fe
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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 -Dunmustuse_in_always_ok" "-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+4f260f0f20b3133d20cfb50353c0221943af5796" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] df74a32701f2f0eb81829a22309d6f4506bb746e517f607cdb853731db4ca736
[INFO] running `Command { std: "docker" "start" "-a" "df74a32701f2f0eb81829a22309d6f4506bb746e517f607cdb853731db4ca736", kill_on_drop: false }`
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[INFO] [stderr]     Checking battlesnake_game_of_chicken v1.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::DScores`
[INFO] [stdout]   --> src/logic/depth_first/intuition/d_scores.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use super::DScores;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::logic::depth_first::game::d_direction::DDirection`
[INFO] [stdout]   --> src/logic/depth_first/intuition/d_scores.rs:53:9
[INFO] [stdout]    |
[INFO] [stdout] 53 |     use crate::logic::depth_first::game::d_direction::DDirection;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `d_direction::DDirection`, `d_field::DSlowField`, `d_game_state::DGameState`, `intuition::DIntuition`, and `read_game_state`
[INFO] [stdout]    --> src/logic/depth_first/intuition/mod.rs:104:20
[INFO] [stdout]     |
[INFO] [stdout] 104 |             game::{d_direction::DDirection, d_field::DSlowField, d_game_state::DGameState},
[INFO] [stdout]     |                    ^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 105 |             intuition::DIntuition,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 106 |         },
[INFO] [stdout] 107 |         read_game_state,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `d_state` is never read
[INFO] [stdout]   --> src/logic/depth_first/intuition/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DIntuition<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 16 |     d_state: DGameState<DSlowField>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `relevant_snakes` is never read
[INFO] [stdout]   --> src/logic/depth_first/simulation/node/mod.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 64 | pub struct DNodeStatistics {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 68 |     pub relevant_snakes: [Option<u8>; 4],
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `DNodeStatistics` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DOptimisticCaptureNode` is never constructed
[INFO] [stdout]   --> src/logic/depth_first/simulation/node/d_optimistic_capture_node.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct DOptimisticCaptureNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `calc_child`, and `calc_moves` are never used
[INFO] [stdout]   --> src/logic/depth_first/simulation/node/d_optimistic_capture_node.rs:26:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | impl DOptimisticCaptureNode {
[INFO] [stdout]    | --------------------------- associated items in this implementation
[INFO] [stdout] 26 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 43 |     fn calc_child(&self, direction: DDirection) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 74 |     fn calc_moves(&self) -> ArrayVec<DDirection, 4> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `DPessimisticCaptureNode` is never constructed
[INFO] [stdout]   --> src/logic/depth_first/simulation/node/d_pessimistic_capture_node.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct DPessimisticCaptureNode {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `calc_child`, and `calc_moves` are never used
[INFO] [stdout]   --> src/logic/depth_first/simulation/node/d_pessimistic_capture_node.rs:20:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl DPessimisticCaptureNode {
[INFO] [stdout]    | ---------------------------- associated items in this implementation
[INFO] [stdout] 20 |     pub fn new(
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 34 |     fn calc_child(&self, direction: DDirection) -> Self {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn calc_moves(&self) -> ArrayVec<DDirection, 4> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logic/depth_first/simulation/d_tree.rs:166:19
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn result(&self) -> DSimulationResult<Node> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn result(&self) -> DSimulationResult<'_, Node> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<DDirection, Infallible>
[INFO] [stdout]    --> src/logic/depth_first/simulation/node/d_full_simulation_node.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |                         new_moveset[0] = Some(only_possible_direction.try_into().unwrap());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/logic/legacy/shared/e_snakes.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get(&self, i: u8) -> Ref<Option<ESnake>> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get(&self, i: u8) -> Ref<'_, Option<ESnake>> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/logic/legacy/shared/e_snakes.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get_mut(&self, i: u8) -> RefMut<Option<ESnake>> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get_mut(&self, i: u8) -> RefMut<'_, Option<ESnake>> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `battlesnake_game_of_chicken` (lib) due to 1 previous error; 12 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `d_state` is never read
[INFO] [stdout]   --> src/logic/depth_first/intuition/mod.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct DIntuition<'a> {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 16 |     d_state: DGameState<DSlowField>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/logic/depth_first/simulation/d_tree.rs:166:19
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn result(&self) -> DSimulationResult<Node> {
[INFO] [stdout]     |                   ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                   |
[INFO] [stdout]     |                   the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 166 |     pub fn result(&self) -> DSimulationResult<'_, Node> {
[INFO] [stdout]     |                                               +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this type will no longer be must used: std::result::Result<d_direction::DDirection, Infallible>
[INFO] [stdout]    --> src/logic/depth_first/simulation/node/d_full_simulation_node.rs:220:47
[INFO] [stdout]     |
[INFO] [stdout] 220 |                         new_moveset[0] = Some(only_possible_direction.try_into().unwrap());
[INFO] [stdout]     |                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: requested on the command line with `-D unmustuse-in-always-ok`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/logic/legacy/shared/e_snakes.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get(&self, i: u8) -> Ref<Option<ESnake>> {
[INFO] [stdout]    |                ^^^^^            ^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                |
[INFO] [stdout]    |                the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 64 |     pub fn get(&self, i: u8) -> Ref<'_, Option<ESnake>> {
[INFO] [stdout]    |                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/logic/legacy/shared/e_snakes.rs:68:20
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get_mut(&self, i: u8) -> RefMut<Option<ESnake>> {
[INFO] [stdout]    |                    ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 68 |     pub fn get_mut(&self, i: u8) -> RefMut<'_, Option<ESnake>> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `battlesnake_game_of_chicken` (lib test) due to 1 previous error; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "df74a32701f2f0eb81829a22309d6f4506bb746e517f607cdb853731db4ca736", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df74a32701f2f0eb81829a22309d6f4506bb746e517f607cdb853731db4ca736", kill_on_drop: false }`
[INFO] [stdout] df74a32701f2f0eb81829a22309d6f4506bb746e517f607cdb853731db4ca736
