[INFO] cloning repository https://github.com/masonium/card-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/masonium/card-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonium%2Fcard-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonium%2Fcard-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82041c99c5a84b4425e2c3ffb656a591da7e0775
[INFO] checking masonium/card-engine against master#33fdb797f59421c7bbecaa4588ed5d7a31a9494a for pr-87190-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmasonium%2Fcard-engine" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/masonium/card-engine on toolchain 33fdb797f59421c7bbecaa4588ed5d7a31a9494a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/masonium/card-engine
[INFO] finished tweaking git repo https://github.com/masonium/card-engine
[INFO] tweaked toml for git repo https://github.com/masonium/card-engine written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/masonium/card-engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0acf175642b4554200a3e69c1efd775aaad780f165785b869f1f184472737d83
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0acf175642b4554200a3e69c1efd775aaad780f165785b869f1f184472737d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0acf175642b4554200a3e69c1efd775aaad780f165785b869f1f184472737d83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0acf175642b4554200a3e69c1efd775aaad780f165785b869f1f184472737d83", kill_on_drop: false }`
[INFO] [stdout] 0acf175642b4554200a3e69c1efd775aaad780f165785b869f1f184472737d83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+33fdb797f59421c7bbecaa4588ed5d7a31a9494a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 66edfdba6d0e5481596941f277bae90c4824d507b9bd6ffdba2f65a860fb8911
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "66edfdba6d0e5481596941f277bae90c4824d507b9bd6ffdba2f65a860fb8911", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.23
[INFO] [stderr]    Compiling matrixmultiply v0.1.13
[INFO] [stderr]     Checking either v1.1.0
[INFO] [stderr]    Compiling ndarray v0.9.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking num-traits v0.1.37
[INFO] [stderr]     Checking ansi_term v0.9.0
[INFO] [stderr]     Checking bitflags v0.8.2
[INFO] [stderr]     Checking unicode-segmentation v1.2.0
[INFO] [stderr]     Checking lazy_static v0.2.8
[INFO] [stderr]     Checking itertools v0.6.0
[INFO] [stderr]     Checking rand v0.3.15
[INFO] [stderr]     Checking term_size v0.3.0
[INFO] [stderr]     Checking atty v0.2.2
[INFO] [stderr]     Checking termion v1.3.0
[INFO] [stderr]     Checking time v0.1.37
[INFO] [stderr]     Checking num-complex v0.1.37
[INFO] [stderr]     Checking clap v2.24.2
[INFO] [stderr]     Checking ndarray-rand v0.5.0
[INFO] [stderr]     Checking card-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/germanwhist/engine.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     phase: Box<GamePhase>,
[INFO] [stdout]    |                ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/germanwhist/engine.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let phase: Box<GamePhase> = Box::new(GameOverPhase{});
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/germanwhist/engine.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn get_phase(&self) -> &GamePhase {
[INFO] [stdout]     |                                 ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/germanwhist/phase.rs:17:57
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn transition(&mut self, gs: &mut GameState) -> Box<GamePhase>;
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/germanwhist/phase.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             /// this is the first card played
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |             gs.player_view_mut(action.player).remove_card(&action.card)?;
[INFO] [stdout]    |             ------------------------------------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/germanwhist/phase.rs:90:17
[INFO] [stdout]     |
[INFO] [stdout] 90  |                   /// Give players their new cards
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 91  | /                 {
[INFO] [stdout] 92  | |                     let r = gs.revealed.take().expect("must be a revealed card");
[INFO] [stdout] 93  | |                     gs.player_view_mut(winner).add_card(r.clone());
[INFO] [stdout] 94  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                     events[loser].push(rec_ev);
[INFO] [stdout] 101 | |                 }
[INFO] [stdout]     | |_________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/germanwhist/phase.rs:164:56
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn transition(&mut self, _: &mut GameState) -> Box<GamePhase> {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/germanwhist/phase.rs:190:56
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn transition(&mut self, _: &mut GameState) -> Box<GamePhase> {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/learning/model.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn evaluate_q(&self, &ArrayView<f32, Ix1>) -> f32;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ArrayView<f32, Ix1>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/learning/neural_net.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn af(&self) -> (fn(f32) -> f32) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/learning/neural_net.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn agf(&self) -> (fn(f32, f32) -> f32) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/learning/training.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         /// epsilon-greedy state-choosing
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |         let mut rng = thread_rng();
[INFO] [stdout]    |         --------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/germanwhist/engine.rs:71:16
[INFO] [stdout]    |
[INFO] [stdout] 71 |     phase: Box<GamePhase>,
[INFO] [stdout]    |                ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/germanwhist/engine.rs:78:24
[INFO] [stdout]    |
[INFO] [stdout] 78 |         let phase: Box<GamePhase> = Box::new(GameOverPhase{});
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/germanwhist/engine.rs:126:33
[INFO] [stdout]     |
[INFO] [stdout] 126 |     pub fn get_phase(&self) -> &GamePhase {
[INFO] [stdout]     |                                 ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/germanwhist/phase.rs:17:57
[INFO] [stdout]    |
[INFO] [stdout] 17 |     fn transition(&mut self, gs: &mut GameState) -> Box<GamePhase>;
[INFO] [stdout]    |                                                         ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]    |
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/germanwhist/phase.rs:43:13
[INFO] [stdout]    |
[INFO] [stdout] 43 |             /// this is the first card played
[INFO] [stdout]    |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 44 |             gs.player_view_mut(action.player).remove_card(&action.card)?;
[INFO] [stdout]    |             ------------------------------------------------------------ rustdoc does not generate documentation for expressions
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/germanwhist/phase.rs:90:17
[INFO] [stdout]     |
[INFO] [stdout] 90  |                   /// Give players their new cards
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 91  | /                 {
[INFO] [stdout] 92  | |                     let r = gs.revealed.take().expect("must be a revealed card");
[INFO] [stdout] 93  | |                     gs.player_view_mut(winner).add_card(r.clone());
[INFO] [stdout] 94  | |
[INFO] [stdout] ...   |
[INFO] [stdout] 100 | |                     events[loser].push(rec_ev);
[INFO] [stdout] 101 | |                 }
[INFO] [stdout]     | |_________________- rustdoc does not generate documentation for expressions
[INFO] [stdout]     |
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/germanwhist/phase.rs:164:56
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn transition(&mut self, _: &mut GameState) -> Box<GamePhase> {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/germanwhist/phase.rs:190:56
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn transition(&mut self, _: &mut GameState) -> Box<GamePhase> {
[INFO] [stdout]     |                                                        ^^^^^^^^^ help: use `dyn`: `dyn GamePhase`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition.
[INFO] [stdout]   --> src/learning/model.rs:13:26
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn evaluate_q(&self, &ArrayView<f32, Ix1>) -> f32;
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &ArrayView<f32, Ix1>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(anonymous_parameters)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2018!
[INFO] [stdout]    = note: for more information, see issue #41686 <https://github.com/rust-lang/rust/issues/41686>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/learning/neural_net.rs:54:25
[INFO] [stdout]    |
[INFO] [stdout] 54 |     pub fn af(&self) -> (fn(f32) -> f32) {
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/learning/neural_net.rs:65:26
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn agf(&self) -> (fn(f32, f32) -> f32) {
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]   --> src/learning/training.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |         /// epsilon-greedy state-choosing
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 49 |         let mut rng = thread_rng();
[INFO] [stdout]    |         --------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]    |
[INFO] [stdout]    = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/cards.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 87 | /         lazy_static! {
[INFO] [stdout] 88 | |             static ref RED: String = format!("{}", color::Fg(color::Red));
[INFO] [stdout] 89 | |             static ref GREEN: String = format!("{}", color::Fg(color::Green));
[INFO] [stdout] 90 | |             static ref BLUE: String = format!("{}", color::Fg(color::Blue));
[INFO] [stdout] 91 | |             static ref RESET: String = format!("{}", color::Fg(color::Reset));
[INFO] [stdout] 92 | |         }
[INFO] [stdout]    | |_________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/germanwhist/player.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
[INFO] [stdout]     |                       ----^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/learning/neural_net.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/cards.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ALL_SUITS.into_iter()
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ALL_SUITS.iter()
[INFO] [stdout]    |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         IntoIterator::into_iter(ALL_SUITS)
[INFO] [stdout]    |         ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/cards.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 |         ALL_RANKS.into_iter()
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 144 |         ALL_RANKS.iter()
[INFO] [stdout]     |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 144 |         IntoIterator::into_iter(ALL_RANKS)
[INFO] [stdout]     |         ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/basic_player.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let players: [Box<Player>; 2] = [Box::new(BasicPlayer::new(r)), Box::new(RandomPlayer::new())];
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/basic_player.rs:147:23
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let players: [Box<Player>; 2] = [Box::new(BasicPlayer::new(None)), Box::new(RandomPlayer::new())];
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/bin/basic_player.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     /// start the game
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 201 |     let mut actions = eng.possible_actions();
[INFO] [stdout]     |     ----------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/basic_player.rs:100:23
[INFO] [stdout]     |
[INFO] [stdout] 100 |     let players: [Box<Player>; 2] = [Box::new(BasicPlayer::new(r)), Box::new(RandomPlayer::new())];
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]    --> src/bin/basic_player.rs:147:23
[INFO] [stdout]     |
[INFO] [stdout] 147 |     let players: [Box<Player>; 2] = [Box::new(BasicPlayer::new(None)), Box::new(RandomPlayer::new())];
[INFO] [stdout]     |                       ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this is accepted in the current edition (Rust 2015) but is a hard error in Rust 2021!
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused doc comment
[INFO] [stdout]    --> src/bin/basic_player.rs:200:5
[INFO] [stdout]     |
[INFO] [stdout] 200 |     /// start the game
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 201 |     let mut actions = eng.possible_actions();
[INFO] [stdout]     |     ----------------------------------------- rustdoc does not generate documentation for statements
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_doc_comments)]` on by default
[INFO] [stdout]     = help: use `//` for a plain comment
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/germanwhist/player.rs:189:23
[INFO] [stdout]     |
[INFO] [stdout] 189 |     fn card_to_vector(mut x: &mut ArrayViewMut<f32, Ix1>, card: &Option<BasicCard>, suit_order: &[Suit]) {
[INFO] [stdout]     |                       ----^
[INFO] [stdout]     |                       |
[INFO] [stdout]     |                       help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     lazy_static! {
[INFO] [stdout] 20 | |         static ref A: Array<f32, Ix1> = arr1(&[0.3, 0.4, -0.5, 0.8, 0.2]);
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     lazy_static! {
[INFO] [stdout] 20 | |         static ref A: Array<f32, Ix1> = arr1(&[0.3, 0.4, -0.5, 0.8, 0.2]);
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     lazy_static! {
[INFO] [stdout] 20 | |         static ref A: Array<f32, Ix1> = arr1(&[0.3, 0.4, -0.5, 0.8, 0.2]);
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 | /     lazy_static! {
[INFO] [stdout] 20 | |         static ref A: Array<f32, Ix1> = arr1(&[0.3, 0.4, -0.5, 0.8, 0.2]);
[INFO] [stdout] 21 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:26:5
[INFO] [stdout]    |
[INFO] [stdout] 26 | /     lazy_static! {
[INFO] [stdout] 27 | |         static ref A: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 28 | |                                                [-0.2, 0.6, 0.3, 0.1, 0.1]]);
[INFO] [stdout] 29 | |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout] 30 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 | /     lazy_static! {
[INFO] [stdout] 40 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.3, 0.4, -0.5, 0.8, 0.2],
[INFO] [stdout] 41 | |                                                 [0.14, -0.4, -0.5, 0.28, 0.2],
[INFO] [stdout] 42 | |                                                 [0.56, 0.4, 0.75, -0.1, -0.2]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 45 | |         static ref A2: Array<f32, Ix1> = arr1(&[1.0, -0.2, 0.5]);
[INFO] [stdout] 46 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/basic_player.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         sl.train_on_episode(false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated constant `std::sync::ONCE_INIT`: the `new` function is now preferred
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 56 | /     lazy_static! {
[INFO] [stdout] 57 | |         static ref A1: Array<f32, Ix2> = arr2(&[[0.1, 0.2],
[INFO] [stdout] 58 | |                                                 [0.3, 0.4],
[INFO] [stdout] 59 | |                                                 [0.5, 0.6]]);
[INFO] [stdout] ...  |
[INFO] [stdout] 62 | |         static ref A2: Array<f32, Ix1> = arr1(&[0.6, -0.4, -0.2]);
[INFO] [stdout] 63 | |     }
[INFO] [stdout]    | |_____^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `__lazy_static_create` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `dump`
[INFO] [stdout]    --> src/learning/neural_net.rs:283:8
[INFO] [stdout]     |
[INFO] [stdout] 283 |     fn dump(&self) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]   --> src/cards.rs:40:19
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ALL_SUITS.into_iter()
[INFO] [stdout]    |                   ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 40 |         ALL_SUITS.iter()
[INFO] [stdout]    |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 40 |         IntoIterator::into_iter(ALL_SUITS)
[INFO] [stdout]    |         ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021.
[INFO] [stdout]    --> src/cards.rs:144:19
[INFO] [stdout]     |
[INFO] [stdout] 144 |         ALL_RANKS.into_iter()
[INFO] [stdout]     |                   ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = warning: this changes meaning in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]     |
[INFO] [stdout] 144 |         ALL_RANKS.iter()
[INFO] [stdout]     |                   ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]     |
[INFO] [stdout] 144 |         IntoIterator::into_iter(ALL_RANKS)
[INFO] [stdout]     |         ++++++++++++++++++++++++         ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/bin/basic_player.rs:251:9
[INFO] [stdout]     |
[INFO] [stdout] 251 |         sl.train_on_episode(false);
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 24 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `b` should have an upper case name
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout]    |                    ^ help: convert the identifier to upper case: `B`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `b` should have an upper case name
[INFO] [stdout]   --> src/bin/single_layer_learn.rs:29:20
[INFO] [stdout]    |
[INFO] [stdout] 29 |         static ref b: Array<f32, Ix1> = arr1(&[-0.071, 0.4]);
[INFO] [stdout]    |                    ^ help: convert the identifier to upper case: `B`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 15.40s
[INFO] running `Command { std: "docker" "inspect" "66edfdba6d0e5481596941f277bae90c4824d507b9bd6ffdba2f65a860fb8911", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66edfdba6d0e5481596941f277bae90c4824d507b9bd6ffdba2f65a860fb8911", kill_on_drop: false }`
[INFO] [stdout] 66edfdba6d0e5481596941f277bae90c4824d507b9bd6ffdba2f65a860fb8911