[INFO] cloning repository https://github.com/lineality/memo_chess_module
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/lineality/memo_chess_module" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flineality%2Fmemo_chess_module", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flineality%2Fmemo_chess_module'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6f0f3af8c04a61c75cbe74527fc11998b58c92c4
[INFO] checking lineality/memo_chess_module against 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa for pr-159356
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flineality%2Fmemo_chess_module" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/lineality/memo_chess_module
[INFO] finished tweaking git repo https://github.com/lineality/memo_chess_module
[INFO] tweaked toml for git repo https://github.com/lineality/memo_chess_module written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/lineality/memo_chess_module on toolchain 6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/lineality/memo_chess_module 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" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c36f533e8924a726b63f9d01e781fa8c8c28c96d1d595403829afb31452ee0f5" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf
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[INFO] running `Command { std: "docker" "inspect" "bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf" "/opt/rustwide/cargo-home/bin/cargo" "+6e4b95ed0735c3bbfb308e6f158f479b4d14f1aa" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking memo_chess v0.1.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `UnsupportedPlatform` is never constructed
[INFO] [stdout]    --> src/launch_split_term_module.rs:193:5
[INFO] [stdout]     |
[INFO] [stdout] 178 | pub enum LaunchSplitTermError {
[INFO] [stdout]     |          -------------------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 193 |     UnsupportedPlatform(&'static str),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LaunchSplitTermError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `DrawOffered` and `DrawByRepetition` are never constructed
[INFO] [stdout]    --> src/memo_chess_tui_module.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub enum GameStatus {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 250 |     DrawOffered,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 259 |     DrawByRepetition,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GameStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/memo_chess_tui_module.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 510 | pub enum MoveValidationError {
[INFO] [stdout]     |          ------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 514 |     InvalidSourceSquareEmpty,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |     InvalidSourceNotOwnPiece,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 520 |     InvalidDestinationObstructed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 521 |     /// The destination square contains the player's own piece.
[INFO] [stdout] 522 |     InvalidDestinationFriendlyFire,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 525 |     InvalidDestinationIllegal,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 528 |     InvalidLeavesKingInCheck,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 531 |     InvalidCastlingNoRights,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 534 |     InvalidCastlingPathObstructed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     InvalidCastlingKingInCheck,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 540 |     InvalidEnPassantConditions,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 545 |     InvalidPromotionOnNonPawn,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 552 |     InvalidGameAlreadyEnded,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MoveValidationError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_permutation` is never used
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:14598:8
[INFO] [stdout]       |
[INFO] [stdout] 14598 | pub fn is_valid_permutation(table: &[u8; 256]) -> bool {
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `looked_up_file_mtime_sec` and `looked_up_file_mtime_nsec` are never read
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:18053:9
[INFO] [stdout]       |
[INFO] [stdout] 18048 | pub struct ChronoLookupResult {
[INFO] [stdout]       |            ------------------ fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18053 |     pub looked_up_file_mtime_sec: i64,
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18054 |     pub looked_up_file_mtime_nsec: i32,
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `ChronoLookupResult` 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: fields `outcome`, `cold_build_summary`, and `append_summary` are never read
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:18082:9
[INFO] [stdout]       |
[INFO] [stdout] 18081 | pub struct UpdateSummary {
[INFO] [stdout]       |            ------------- fields in this struct
[INFO] [stdout] 18082 |     pub outcome: UpdateOutcome,
[INFO] [stdout]       |         ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18086 |     pub cold_build_summary: ColdBuildSummary,
[INFO] [stdout]       |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 18087 |     /// If an incremental append ran, that summary; otherwise zeroes.
[INFO] [stdout] 18088 |     pub append_summary: AppendSummary,
[INFO] [stdout]       |         ^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `UpdateSummary` 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: function `purge_chrono_index_state` is never used
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:18757:8
[INFO] [stdout]       |
[INFO] [stdout] 18757 | pub fn purge_chrono_index_state(temp_root_dir: &Path) -> Result<(), ChronoIndexError> {
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `purge_scratch_only` is never used
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:18786:8
[INFO] [stdout]       |
[INFO] [stdout] 18786 | pub fn purge_scratch_only(temp_root_dir: &Path) -> Result<(), ChronoIndexError> {
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ChronoIndexUnusable` and `InternalBootstrapFault` are never constructed
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:21345:5
[INFO] [stdout]       |
[INFO] [stdout] 21329 | pub enum MemochessBootstrapError {
[INFO] [stdout]       |          ----------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21345 |     ChronoIndexUnusable,
[INFO] [stdout]       |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21349 |     InternalBootstrapFault,
[INFO] [stdout]       |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `MemochessBootstrapError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `DrawOffered` is never constructed
[INFO] [stdout]    --> src/memo_chess_tui_module.rs:250:5
[INFO] [stdout]     |
[INFO] [stdout] 238 | pub enum GameStatus {
[INFO] [stdout]     |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 250 |     DrawOffered,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GameStatus` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple variants are never constructed
[INFO] [stdout]    --> src/memo_chess_tui_module.rs:514:5
[INFO] [stdout]     |
[INFO] [stdout] 510 | pub enum MoveValidationError {
[INFO] [stdout]     |          ------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 514 |     InvalidSourceSquareEmpty,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 517 |     InvalidSourceNotOwnPiece,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 520 |     InvalidDestinationObstructed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 521 |     /// The destination square contains the player's own piece.
[INFO] [stdout] 522 |     InvalidDestinationFriendlyFire,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 525 |     InvalidDestinationIllegal,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 528 |     InvalidLeavesKingInCheck,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 531 |     InvalidCastlingNoRights,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 534 |     InvalidCastlingPathObstructed,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 537 |     InvalidCastlingKingInCheck,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 540 |     InvalidEnPassantConditions,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 545 |     InvalidPromotionOnNonPawn,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 552 |     InvalidGameAlreadyEnded,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MoveValidationError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_valid_permutation` is never used
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:14598:8
[INFO] [stdout]       |
[INFO] [stdout] 14598 | pub fn is_valid_permutation(table: &[u8; 256]) -> bool {
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `purge_chrono_index_state` is never used
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:18757:8
[INFO] [stdout]       |
[INFO] [stdout] 18757 | pub fn purge_chrono_index_state(temp_root_dir: &Path) -> Result<(), ChronoIndexError> {
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `purge_scratch_only` is never used
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:18786:8
[INFO] [stdout]       |
[INFO] [stdout] 18786 | pub fn purge_scratch_only(temp_root_dir: &Path) -> Result<(), ChronoIndexError> {
[INFO] [stdout]       |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ChronoIndexUnusable` and `InternalBootstrapFault` are never constructed
[INFO] [stdout]      --> src/memo_chess_tui_module.rs:21345:5
[INFO] [stdout]       |
[INFO] [stdout] 21329 | pub enum MemochessBootstrapError {
[INFO] [stdout]       |          ----------------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 21345 |     ChronoIndexUnusable,
[INFO] [stdout]       |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21349 |     InternalBootstrapFault,
[INFO] [stdout]       |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]       |
[INFO] [stdout]       = note: `MemochessBootstrapError` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.67s
[INFO] running `Command { std: "docker" "inspect" "bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf", kill_on_drop: false }`
[INFO] [stdout] bfecf4d3fbc96b851e7817503e2eba93b40076bb4c2179db891cc60d9ba152bf
