[INFO] cloning repository https://github.com/hemangandhi/tichu [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hemangandhi/tichu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Ftichu", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Ftichu'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 0c441cd5ba38b2148b04017f44b1ae28f33d2f79 [INFO] testing hemangandhi/tichu against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhemangandhi%2Ftichu" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/hemangandhi/tichu [INFO] finished tweaking git repo https://github.com/hemangandhi/tichu [INFO] tweaked toml for git repo https://github.com/hemangandhi/tichu written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/hemangandhi/tichu on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/hemangandhi/tichu 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 14 packages to latest compatible versions [INFO] [stderr] Adding cfg-if v1.0.1 [INFO] [stderr] Updating getrandom v0.1.6 -> v0.2.16 [INFO] [stderr] Updating libc v0.2.58 -> v0.2.174 [INFO] [stderr] Updating ppv-lite86 v0.2.5 -> v0.2.21 [INFO] [stderr] Adding proc-macro2 v1.0.95 [INFO] [stderr] Adding quote v1.0.40 [INFO] [stderr] Updating rand v0.7.0 -> v0.8.5 (available: v0.9.1) [INFO] [stderr] Updating rand_chacha v0.2.0 -> v0.3.1 [INFO] [stderr] Updating rand_core v0.5.0 -> v0.6.4 [INFO] [stderr] Adding syn v2.0.104 [INFO] [stderr] Adding unicode-ident v1.0.18 [INFO] [stderr] Adding wasi v0.11.1+wasi-snapshot-preview1 [INFO] [stderr] Adding zerocopy v0.8.26 [INFO] [stderr] Adding zerocopy-derive v0.8.26 [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded autocfg v0.1.4 [INFO] [stderr] Downloaded once_cell v0.1.8 [INFO] [stderr] Downloaded cached v0.8.0 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] db4064e17f9f0d823837a8ddd9e744ca426a6c8477e7c7d09be11aadaeb705db [INFO] running `Command { std: "docker" "start" "-a" "db4064e17f9f0d823837a8ddd9e744ca426a6c8477e7c7d09be11aadaeb705db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "db4064e17f9f0d823837a8ddd9e744ca426a6c8477e7c7d09be11aadaeb705db", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "db4064e17f9f0d823837a8ddd9e744ca426a6c8477e7c7d09be11aadaeb705db", kill_on_drop: false }` [INFO] [stdout] db4064e17f9f0d823837a8ddd9e744ca426a6c8477e7c7d09be11aadaeb705db [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 19183062a240ec19bf106916aedfcaef0a82eea0a41804ced83a52abc453be93 [INFO] running `Command { std: "docker" "start" "-a" "19183062a240ec19bf106916aedfcaef0a82eea0a41804ced83a52abc453be93", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v0.1.4 [INFO] [stderr] Compiling rand_core v0.4.0 [INFO] [stderr] Compiling libc v0.2.174 [INFO] [stderr] Compiling semver-parser v0.7.0 [INFO] [stderr] Compiling zerocopy v0.8.26 [INFO] [stderr] Compiling smallvec v0.6.10 [INFO] [stderr] Compiling cfg-if v1.0.1 [INFO] [stderr] Compiling scopeguard v0.3.3 [INFO] [stderr] Compiling lock_api v0.1.5 [INFO] [stderr] Compiling semver v0.9.0 [INFO] [stderr] Compiling rand_core v0.3.1 [INFO] [stderr] Compiling rand_jitter v0.1.4 [INFO] [stderr] Compiling rand_chacha v0.1.1 [INFO] [stderr] Compiling rand_pcg v0.1.2 [INFO] [stderr] Compiling rand v0.6.5 [INFO] [stderr] Compiling rand_isaac v0.1.1 [INFO] [stderr] Compiling rand_hc v0.1.0 [INFO] [stderr] Compiling rand_xorshift v0.1.1 [INFO] [stderr] Compiling rustc_version v0.2.3 [INFO] [stderr] Compiling parking_lot_core v0.4.0 [INFO] [stderr] Compiling rand_os v0.1.3 [INFO] [stderr] Compiling getrandom v0.2.16 [INFO] [stderr] Compiling rand_core v0.6.4 [INFO] [stderr] Compiling ppv-lite86 v0.2.21 [INFO] [stderr] Compiling parking_lot v0.7.1 [INFO] [stderr] Compiling rand_chacha v0.3.1 [INFO] [stderr] Compiling once_cell v0.1.8 [INFO] [stderr] Compiling cached v0.8.0 [INFO] [stderr] Compiling rand v0.8.5 [INFO] [stderr] Compiling tishu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/tichu/game.rs:357:57 [INFO] [stdout] | [INFO] [stdout] 357 | let mut hands: [PlayerCards; 4] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `distance_to` and `point_value` are never used [INFO] [stdout] --> src/tichu/hand.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn distance_to(&self, other: &Self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn point_value(&self, keep_dragon: bool) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `HandType` is never used [INFO] [stdout] --> src/tichu/hand.rs:133:10 [INFO] [stdout] | [INFO] [stdout] 133 | pub enum HandType { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HandType` 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: method `num_cards` is never used [INFO] [stdout] --> src/tichu/hand.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 145 | impl HandType { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 146 | pub fn num_cards(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Hand` is never constructed [INFO] [stdout] --> src/tichu/hand.rs:162:12 [INFO] [stdout] | [INFO] [stdout] 162 | pub struct Hand<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Hand` 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 `groups_of_n_such_that` is never used [INFO] [stdout] --> src/tichu/hand.rs:176:4 [INFO] [stdout] | [INFO] [stdout] 176 | fn groups_of_n_such_that(n: u32, cond: Option<&Value>, use_pheonix: bool, unseen: &[Card]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_n_straights_of_k_beating` is never used [INFO] [stdout] --> src/tichu/hand.rs:198:4 [INFO] [stdout] | [INFO] [stdout] 198 | fn length_n_straights_of_k_beating( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_straight_flush_bombs` is never used [INFO] [stdout] --> src/tichu/hand.rs:247:4 [INFO] [stdout] | [INFO] [stdout] 247 | fn count_straight_flush_bombs(n_cards: u32, unseen_cards: &[Card]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `value`, `is_bomb`, `num_non_bomb_plays_that_beat`, `is_pass`, and `probability_of_being_beaten` are never used [INFO] [stdout] --> src/tichu/hand.rs:262:12 [INFO] [stdout] | [INFO] [stdout] 261 | impl<'a> Hand<'a> { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] 262 | pub fn value(&self, keep_dragon: bool) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn is_bomb(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 277 | fn num_non_bomb_plays_that_beat(&self, unseen_cards: &[Card]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | fn is_pass(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 319 | pub fn probability_of_being_beaten(&self, unseen_cards: &[Card], opp_hand_size: u32) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `NoCall`, `Tichu`, and `GrandTichu` are never constructed [INFO] [stdout] --> src/tichu/game.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 243 | pub enum TichuCall { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 244 | NotYetPlayed, [INFO] [stdout] 245 | NoCall, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 249 | Tichu(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 250 | GrandTichu(f64), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TichuCall` 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: method `censor` is never used [INFO] [stdout] --> src/tichu/game.rs:297:12 [INFO] [stdout] | [INFO] [stdout] 296 | impl TichuCall { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 297 | pub fn censor(&self) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/tichu/game.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 307 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 308 | pub players: [PlayerCards; 4], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 309 | pub slash_score: i32, // slash and cross are arbitrary, just [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 310 | pub cross_score: i32, // to distinguish the teams (players know [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 311 | // about their partner) [INFO] [stdout] 312 | turn_index: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 313 | tichu_calls: [TichuCall; 4], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 314 | pub expected_slash_points: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 315 | pub expected_cross_points: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Player` is never used [INFO] [stdout] --> src/tichu/game.rs:318:11 [INFO] [stdout] | [INFO] [stdout] 318 | pub trait Player { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `play_move_helper`, `play_move`, `show_cards_to_player`, `swap_cards`, `do_pass`, and `play_game` are never used [INFO] [stdout] --> src/tichu/game.rs:383:8 [INFO] [stdout] | [INFO] [stdout] 345 | impl Game { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 383 | fn play_move_helper( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 447 | fn play_move( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 495 | fn show_cards_to_player(cards: PlayerCards, player: &mut T) -> TichuCall { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 528 | fn swap_cards( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 557 | fn do_pass( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 627 | pub fn play_game( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `deck` should have an upper case name [INFO] [stdout] --> src/tichu/game.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub static deck: [hand::Card; 14 * 4] = [ [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `DECK` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tichu/game.rs:321:13 [INFO] [stdout] | [INFO] [stdout] 321 | fn play(&mut self, own_hand: PlayerCards) -> (hand::Hand, TichuCall); [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 321 | fn play(&mut self, own_hand: PlayerCards) -> (hand::Hand<'_>, TichuCall); [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[Option; 14]; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/tichu/game.rs:357:47 [INFO] [stdout] | [INFO] [stdout] 357 | let mut hands: [PlayerCards; 4] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/option.rs:591:1 [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.01s [INFO] running `Command { std: "docker" "inspect" "19183062a240ec19bf106916aedfcaef0a82eea0a41804ced83a52abc453be93", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "19183062a240ec19bf106916aedfcaef0a82eea0a41804ced83a52abc453be93", kill_on_drop: false }` [INFO] [stdout] 19183062a240ec19bf106916aedfcaef0a82eea0a41804ced83a52abc453be93 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 4ea3933035ab7d95306faa14dd85bb4733431bb29831a02c5a089731bb3e114c [INFO] running `Command { std: "docker" "start" "-a" "4ea3933035ab7d95306faa14dd85bb4733431bb29831a02c5a089731bb3e114c", kill_on_drop: false }` [INFO] [stderr] Compiling tishu v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stdout] --> src/tichu/game.rs:357:57 [INFO] [stdout] | [INFO] [stdout] 357 | let mut hands: [PlayerCards; 4] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `distance_to` and `point_value` are never used [INFO] [stdout] --> src/tichu/hand.rs:61:12 [INFO] [stdout] | [INFO] [stdout] 24 | impl Value { [INFO] [stdout] | ---------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 61 | pub fn distance_to(&self, other: &Self) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 65 | pub fn point_value(&self, keep_dragon: bool) -> i32 { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: enum `HandType` is never used [INFO] [stdout] --> src/tichu/hand.rs:133:10 [INFO] [stdout] | [INFO] [stdout] 133 | pub enum HandType { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `HandType` 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: method `num_cards` is never used [INFO] [stdout] --> src/tichu/hand.rs:146:12 [INFO] [stdout] | [INFO] [stdout] 145 | impl HandType { [INFO] [stdout] | ------------- method in this implementation [INFO] [stdout] 146 | pub fn num_cards(&self) -> u32 { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Hand` is never constructed [INFO] [stdout] --> src/tichu/hand.rs:162:12 [INFO] [stdout] | [INFO] [stdout] 162 | pub struct Hand<'a> { [INFO] [stdout] | ^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Hand` 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 `groups_of_n_such_that` is never used [INFO] [stdout] --> src/tichu/hand.rs:176:4 [INFO] [stdout] | [INFO] [stdout] 176 | fn groups_of_n_such_that(n: u32, cond: Option<&Value>, use_pheonix: bool, unseen: &[Card]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `length_n_straights_of_k_beating` is never used [INFO] [stdout] --> src/tichu/hand.rs:198:4 [INFO] [stdout] | [INFO] [stdout] 198 | fn length_n_straights_of_k_beating( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `count_straight_flush_bombs` is never used [INFO] [stdout] --> src/tichu/hand.rs:247:4 [INFO] [stdout] | [INFO] [stdout] 247 | fn count_straight_flush_bombs(n_cards: u32, unseen_cards: &[Card]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `value`, `is_bomb`, `num_non_bomb_plays_that_beat`, `is_pass`, and `probability_of_being_beaten` are never used [INFO] [stdout] --> src/tichu/hand.rs:262:12 [INFO] [stdout] | [INFO] [stdout] 261 | impl<'a> Hand<'a> { [INFO] [stdout] | ----------------- methods in this implementation [INFO] [stdout] 262 | pub fn value(&self, keep_dragon: bool) -> i32 { [INFO] [stdout] | ^^^^^ [INFO] [stdout] ... [INFO] [stdout] 269 | pub fn is_bomb(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 277 | fn num_non_bomb_plays_that_beat(&self, unseen_cards: &[Card]) -> u32 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 315 | fn is_pass(&self) -> bool { [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 319 | pub fn probability_of_being_beaten(&self, unseen_cards: &[Card], opp_hand_size: u32) -> f64 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `NoCall`, `Tichu`, and `GrandTichu` are never constructed [INFO] [stdout] --> src/tichu/game.rs:245:5 [INFO] [stdout] | [INFO] [stdout] 243 | pub enum TichuCall { [INFO] [stdout] | --------- variants in this enum [INFO] [stdout] 244 | NotYetPlayed, [INFO] [stdout] 245 | NoCall, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 249 | Tichu(f64), [INFO] [stdout] | ^^^^^ [INFO] [stdout] 250 | GrandTichu(f64), [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `TichuCall` 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: method `censor` is never used [INFO] [stdout] --> src/tichu/game.rs:297:12 [INFO] [stdout] | [INFO] [stdout] 296 | impl TichuCall { [INFO] [stdout] | -------------- method in this implementation [INFO] [stdout] 297 | pub fn censor(&self) -> Self { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple fields are never read [INFO] [stdout] --> src/tichu/game.rs:308:9 [INFO] [stdout] | [INFO] [stdout] 307 | pub struct Game { [INFO] [stdout] | ---- fields in this struct [INFO] [stdout] 308 | pub players: [PlayerCards; 4], [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 309 | pub slash_score: i32, // slash and cross are arbitrary, just [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 310 | pub cross_score: i32, // to distinguish the teams (players know [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 311 | // about their partner) [INFO] [stdout] 312 | turn_index: u8, [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] 313 | tichu_calls: [TichuCall; 4], [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] 314 | pub expected_slash_points: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 315 | pub expected_cross_points: i32, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: trait `Player` is never used [INFO] [stdout] --> src/tichu/game.rs:318:11 [INFO] [stdout] | [INFO] [stdout] 318 | pub trait Player { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated items `play_move_helper`, `play_move`, `show_cards_to_player`, `swap_cards`, `do_pass`, and `play_game` are never used [INFO] [stdout] --> src/tichu/game.rs:383:8 [INFO] [stdout] | [INFO] [stdout] 345 | impl Game { [INFO] [stdout] | --------- associated items in this implementation [INFO] [stdout] ... [INFO] [stdout] 383 | fn play_move_helper( [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 447 | fn play_move( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 495 | fn show_cards_to_player(cards: PlayerCards, player: &mut T) -> TichuCall { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 528 | fn swap_cards( [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 557 | fn do_pass( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 627 | pub fn play_game( [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: static variable `deck` should have an upper case name [INFO] [stdout] --> src/tichu/game.rs:14:12 [INFO] [stdout] | [INFO] [stdout] 14 | pub static deck: [hand::Card; 14 * 4] = [ [INFO] [stdout] | ^^^^ help: convert the identifier to upper case: `DECK` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/tichu/game.rs:321:13 [INFO] [stdout] | [INFO] [stdout] 321 | fn play(&mut self, own_hand: PlayerCards) -> (hand::Hand, TichuCall); [INFO] [stdout] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 321 | fn play(&mut self, own_hand: PlayerCards) -> (hand::Hand<'_>, TichuCall); [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: the type `[[Option; 14]; 4]` does not permit being left uninitialized [INFO] [stdout] --> src/tichu/game.rs:357:47 [INFO] [stdout] | [INFO] [stdout] 357 | let mut hands: [PlayerCards; 4] = std::mem::uninitialized(); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | this code causes undefined behavior when executed [INFO] [stdout] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stdout] | [INFO] [stdout] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stdout] --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/option.rs:591:1 [INFO] [stdout] = note: `#[warn(invalid_value)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.64s [INFO] running `Command { std: "docker" "inspect" "4ea3933035ab7d95306faa14dd85bb4733431bb29831a02c5a089731bb3e114c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "4ea3933035ab7d95306faa14dd85bb4733431bb29831a02c5a089731bb3e114c", kill_on_drop: false }` [INFO] [stdout] 4ea3933035ab7d95306faa14dd85bb4733431bb29831a02c5a089731bb3e114c [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 20b4ab82f4034b9c22356db9fa8a5a34a90ee7231603a8ceb6a4b48172d4e8ea [INFO] running `Command { std: "docker" "start" "-a" "20b4ab82f4034b9c22356db9fa8a5a34a90ee7231603a8ceb6a4b48172d4e8ea", kill_on_drop: false }` [INFO] [stderr] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead [INFO] [stderr] --> src/tichu/game.rs:357:57 [INFO] [stderr] | [INFO] [stderr] 357 | let mut hands: [PlayerCards; 4] = std::mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(deprecated)]` on by default [INFO] [stderr] [INFO] [stdout] [INFO] [stderr] warning: methods `distance_to` and `point_value` are never used [INFO] [stdout] running 0 tests [INFO] [stderr] --> src/tichu/hand.rs:61:12 [INFO] [stdout] [INFO] [stderr] | [INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s [INFO] [stderr] 24 | impl Value { [INFO] [stdout] [INFO] [stderr] | ---------- methods in this implementation [INFO] [stderr] ... [INFO] [stderr] 61 | pub fn distance_to(&self, other: &Self) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 65 | pub fn point_value(&self, keep_dragon: bool) -> i32 { [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: enum `HandType` is never used [INFO] [stderr] --> src/tichu/hand.rs:133:10 [INFO] [stderr] | [INFO] [stderr] 133 | pub enum HandType { [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `HandType` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: method `num_cards` is never used [INFO] [stderr] --> src/tichu/hand.rs:146:12 [INFO] [stderr] | [INFO] [stderr] 145 | impl HandType { [INFO] [stderr] | ------------- method in this implementation [INFO] [stderr] 146 | pub fn num_cards(&self) -> u32 { [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct `Hand` is never constructed [INFO] [stderr] --> src/tichu/hand.rs:162:12 [INFO] [stderr] | [INFO] [stderr] 162 | pub struct Hand<'a> { [INFO] [stderr] | ^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Hand` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: function `groups_of_n_such_that` is never used [INFO] [stderr] --> src/tichu/hand.rs:176:4 [INFO] [stderr] | [INFO] [stderr] 176 | fn groups_of_n_such_that(n: u32, cond: Option<&Value>, use_pheonix: bool, unseen: &[Card]) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `length_n_straights_of_k_beating` is never used [INFO] [stderr] --> src/tichu/hand.rs:198:4 [INFO] [stderr] | [INFO] [stderr] 198 | fn length_n_straights_of_k_beating( [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: function `count_straight_flush_bombs` is never used [INFO] [stderr] --> src/tichu/hand.rs:247:4 [INFO] [stderr] | [INFO] [stderr] 247 | fn count_straight_flush_bombs(n_cards: u32, unseen_cards: &[Card]) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: methods `value`, `is_bomb`, `num_non_bomb_plays_that_beat`, `is_pass`, and `probability_of_being_beaten` are never used [INFO] [stderr] --> src/tichu/hand.rs:262:12 [INFO] [stderr] | [INFO] [stderr] 261 | impl<'a> Hand<'a> { [INFO] [stderr] | ----------------- methods in this implementation [INFO] [stderr] 262 | pub fn value(&self, keep_dragon: bool) -> i32 { [INFO] [stderr] | ^^^^^ [INFO] [stderr] ... [INFO] [stderr] 269 | pub fn is_bomb(&self) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 277 | fn num_non_bomb_plays_that_beat(&self, unseen_cards: &[Card]) -> u32 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 315 | fn is_pass(&self) -> bool { [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 319 | pub fn probability_of_being_beaten(&self, unseen_cards: &[Card], opp_hand_size: u32) -> f64 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variants `NoCall`, `Tichu`, and `GrandTichu` are never constructed [INFO] [stderr] --> src/tichu/game.rs:245:5 [INFO] [stderr] | [INFO] [stderr] 243 | pub enum TichuCall { [INFO] [stderr] | --------- variants in this enum [INFO] [stderr] 244 | NotYetPlayed, [INFO] [stderr] 245 | NoCall, [INFO] [stderr] | ^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 249 | Tichu(f64), [INFO] [stderr] | ^^^^^ [INFO] [stderr] 250 | GrandTichu(f64), [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `TichuCall` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: method `censor` is never used [INFO] [stderr] --> src/tichu/game.rs:297:12 [INFO] [stderr] | [INFO] [stderr] 296 | impl TichuCall { [INFO] [stderr] | -------------- method in this implementation [INFO] [stderr] 297 | pub fn censor(&self) -> Self { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: multiple fields are never read [INFO] [stderr] --> src/tichu/game.rs:308:9 [INFO] [stderr] | [INFO] [stderr] 307 | pub struct Game { [INFO] [stderr] | ---- fields in this struct [INFO] [stderr] 308 | pub players: [PlayerCards; 4], [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 309 | pub slash_score: i32, // slash and cross are arbitrary, just [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 310 | pub cross_score: i32, // to distinguish the teams (players know [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 311 | // about their partner) [INFO] [stderr] 312 | turn_index: u8, [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] 313 | tichu_calls: [TichuCall; 4], [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] 314 | pub expected_slash_points: i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] 315 | pub expected_cross_points: i32, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `Game` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] [INFO] [stderr] warning: trait `Player` is never used [INFO] [stderr] --> src/tichu/game.rs:318:11 [INFO] [stderr] | [INFO] [stderr] 318 | pub trait Player { [INFO] [stderr] | ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: associated items `play_move_helper`, `play_move`, `show_cards_to_player`, `swap_cards`, `do_pass`, and `play_game` are never used [INFO] [stderr] --> src/tichu/game.rs:383:8 [INFO] [stderr] | [INFO] [stderr] 345 | impl Game { [INFO] [stderr] | --------- associated items in this implementation [INFO] [stderr] ... [INFO] [stderr] 383 | fn play_move_helper( [INFO] [stderr] | ^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 447 | fn play_move( [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 495 | fn show_cards_to_player(cards: PlayerCards, player: &mut T) -> TichuCall { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 528 | fn swap_cards( [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 557 | fn do_pass( [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] ... [INFO] [stderr] 627 | pub fn play_game( [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: static variable `deck` should have an upper case name [INFO] [stderr] --> src/tichu/game.rs:14:12 [INFO] [stderr] | [INFO] [stderr] 14 | pub static deck: [hand::Card; 14 * 4] = [ [INFO] [stderr] | ^^^^ help: convert the identifier to upper case: `DECK` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_upper_case_globals)]` on by default [INFO] [stderr] [INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stderr] --> src/tichu/game.rs:321:13 [INFO] [stderr] | [INFO] [stderr] 321 | fn play(&mut self, own_hand: PlayerCards) -> (hand::Hand, TichuCall); [INFO] [stderr] | ^^^^^^^^^ ---------- the lifetime gets resolved as `'_` [INFO] [stderr] | | [INFO] [stderr] | this lifetime flows to the output [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stderr] | [INFO] [stderr] 321 | fn play(&mut self, own_hand: PlayerCards) -> (hand::Hand<'_>, TichuCall); [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: the type `[[Option; 14]; 4]` does not permit being left uninitialized [INFO] [stderr] --> src/tichu/game.rs:357:47 [INFO] [stderr] | [INFO] [stderr] 357 | let mut hands: [PlayerCards; 4] = std::mem::uninitialized(); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | | [INFO] [stderr] | this code causes undefined behavior when executed [INFO] [stderr] | help: use `MaybeUninit` instead, and only call `assume_init` after initialization is done [INFO] [stderr] | [INFO] [stderr] note: enums with multiple inhabited variants have to be initialized to a variant [INFO] [stderr] --> /rustc/8de4c7234dd9b97c9d76b58671343fdbbc9a433e/library/core/src/option.rs:591:1 [INFO] [stderr] = note: `#[warn(invalid_value)]` on by default [INFO] [stderr] [INFO] [stderr] warning: `tishu` (bin "tishu" test) generated 17 warnings (run `cargo fix --bin "tishu" --tests` to apply 1 suggestion) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.14s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/tishu-62aa54a35494eeb2) [INFO] running `Command { std: "docker" "inspect" "20b4ab82f4034b9c22356db9fa8a5a34a90ee7231603a8ceb6a4b48172d4e8ea", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "20b4ab82f4034b9c22356db9fa8a5a34a90ee7231603a8ceb6a4b48172d4e8ea", kill_on_drop: false }` [INFO] [stdout] 20b4ab82f4034b9c22356db9fa8a5a34a90ee7231603a8ceb6a4b48172d4e8ea