[INFO] fetching crate candidate 0.0.5...
[INFO] checking candidate-0.0.5 against master#6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd for pr-153721
[INFO] extracting crate candidate 0.0.5 into /workspace/builds/worker-2-tc1/source
[INFO] started tweaking crates.io crate candidate 0.0.5
[INFO] finished tweaking crates.io crate candidate 0.0.5
[INFO] tweaked toml for crates.io crate candidate 0.0.5 written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate candidate 0.0.5 on toolchain 6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 93 packages to latest compatible versions
[INFO] [stderr]       Adding arrayvec v0.5.2 (available: v0.7.6)
[INFO] [stderr]       Adding criterion v0.3.6 (available: v0.8.2)
[INFO] [stderr]       Adding rand v0.7.3 (available: v0.10.1)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand` dependency)
[INFO] [stderr] warning: `candidate` (manifest) generated 1 warning
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded criterion-plot v0.4.5
[INFO] [stderr]   Downloaded half v1.8.3
[INFO] [stderr]   Downloaded serde_cbor v0.11.2
[INFO] [stderr]   Downloaded criterion v0.3.6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3e793bdf10248eb2ddbd6b0faebed8155c11b4589982e2893733958d93e8d540" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd
[INFO] running `Command { std: "docker" "start" "959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd" "/opt/rustwide/cargo-home/bin/cargo" "+6eda7419e71fdbc1185ed5be7e6bff1a474ab5cd" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: Cargo.toml: `default_features` is deprecated in favor of `default-features` and will not work in the 2024 edition
[INFO] [stderr] (in the `rand` dependency)
[INFO] [stderr] warning: `candidate` (manifest) generated 1 warning
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling libc v0.2.186
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]     Checking memchr v2.8.2
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zerocopy v0.8.52
[INFO] [stderr]    Compiling serde_core v1.0.228
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[INFO] [stderr]    Compiling serde v1.0.228
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[INFO] [stderr]    Compiling rand_pcg v0.2.1
[INFO] [stderr]     Checking itoa v1.0.18
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[INFO] [stderr]    Compiling synstructure v0.12.6
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling failure v0.1.8
[INFO] [stderr]    Compiling candidate v0.0.5 (/opt/rustwide/workdir)
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Debug, Fail)]
[INFO] [stdout]   |                        ^---
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        `Fail` is not local
[INFO] [stdout]   |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   |          ----- `Error` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Debug, Fail)]
[INFO] [stdout]   |                        ^---
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        `Display` is not local
[INFO] [stdout]   |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   |          ----- `Error` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/gen_tables/magic.rs:165:56
[INFO] [stdout]     |
[INFO] [stdout] 165 |         writeln!(f, "const MOVES: [BitBoard; {}] = [", GENERATED_NUM_MOVES).unwrap();
[INFO] [stdout]     |                                                        ^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]   --> src/gen_tables/ranks_files.rs:76:66
[INFO] [stdout]    |
[INFO] [stdout] 76 |         writeln!(f, "pub const EDGES: BitBoard = BitBoard({});", EDGES.0).unwrap();
[INFO] [stdout]    |                                                                  ^^^^^^^ shared reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking criterion v0.3.6
[INFO] [stdout] warning: unused import: `self::piece_type::*`
[INFO] [stdout]  --> src/movegen/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::piece_type::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]  --> src/game.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(any(feature = "instrument_game", feature = "instrument_all"))]
[INFO] [stdout]   |                                        ^^^^^^^^^^----------------
[INFO] [stdout]   |                                                  |
[INFO] [stdout]   |                                                  help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]   = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]   --> src/game.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]    |                                          ^^^^^^^^^^----------------
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]    = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]   --> src/game.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]    |                                          ^^^^^^^^^^----------------
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]    = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:192:42
[INFO] [stdout]     |
[INFO] [stdout] 192 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:242:42
[INFO] [stdout]     |
[INFO] [stdout] 242 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:330:42
[INFO] [stdout]     |
[INFO] [stdout] 330 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:383:42
[INFO] [stdout]     |
[INFO] [stdout] 383 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:461:42
[INFO] [stdout]     |
[INFO] [stdout] 461 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:503:42
[INFO] [stdout]     |
[INFO] [stdout] 503 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:530:42
[INFO] [stdout]     |
[INFO] [stdout] 530 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:565:42
[INFO] [stdout]     |
[INFO] [stdout] 565 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:580:42
[INFO] [stdout]     |
[INFO] [stdout] 580 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self::piece_type::*`
[INFO] [stdout]  --> src/movegen/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use self::piece_type::*;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]  --> src/game.rs:9:40
[INFO] [stdout]   |
[INFO] [stdout] 9 | #[cfg(any(feature = "instrument_game", feature = "instrument_all"))]
[INFO] [stdout]   |                                        ^^^^^^^^^^----------------
[INFO] [stdout]   |                                                  |
[INFO] [stdout]   |                                                  help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]   |
[INFO] [stdout]   = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]   = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]   = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout]   = note: `#[warn(unexpected_cfgs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/game.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]   --> src/game.rs:57:42
[INFO] [stdout]    |
[INFO] [stdout] 57 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]    |                                          ^^^^^^^^^^----------------
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]    = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]   --> src/game.rs:82:42
[INFO] [stdout]    |
[INFO] [stdout] 82 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]    |                                          ^^^^^^^^^^----------------
[INFO] [stdout]    |                                                    |
[INFO] [stdout]    |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]    |
[INFO] [stdout]    = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]    = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]    = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:107:42
[INFO] [stdout]     |
[INFO] [stdout] 107 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:123:42
[INFO] [stdout]     |
[INFO] [stdout] 123 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:175:42
[INFO] [stdout]     |
[INFO] [stdout] 175 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:192:42
[INFO] [stdout]     |
[INFO] [stdout] 192 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:242:42
[INFO] [stdout]     |
[INFO] [stdout] 242 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:330:42
[INFO] [stdout]     |
[INFO] [stdout] 330 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:354:42
[INFO] [stdout]     |
[INFO] [stdout] 354 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:383:42
[INFO] [stdout]     |
[INFO] [stdout] 383 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:461:42
[INFO] [stdout]     |
[INFO] [stdout] 461 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:503:42
[INFO] [stdout]     |
[INFO] [stdout] 503 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:530:42
[INFO] [stdout]     |
[INFO] [stdout] 530 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:565:42
[INFO] [stdout]     |
[INFO] [stdout] 565 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `instrument_all`
[INFO] [stdout]    --> src/game.rs:580:42
[INFO] [stdout]     |
[INFO] [stdout] 580 |         any(feature = "instrument_game", feature = "instrument_all"),
[INFO] [stdout]     |                                          ^^^^^^^^^^----------------
[INFO] [stdout]     |                                                    |
[INFO] [stdout]     |                                                    help: there is a expected value with a similar name: `"instrument_game"`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `cache_game_state`, `default`, and `instrument_game`
[INFO] [stdout]     = help: consider adding `instrument_all` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from_square`
[INFO] [stdout]    --> src/movegen/piece_type.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         from_square: Option<Square>, // ignored
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_from_square`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is` is never used
[INFO] [stdout]   --> src/movegen/piece_type.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait PieceType {
[INFO] [stdout]    |           --------- associated function in this trait
[INFO] [stdout] 15 |     fn is(piece: Piece) -> bool;
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Debug, Fail)]
[INFO] [stdout]   |                        ^---
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        `Fail` is not local
[INFO] [stdout]   |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   |          ----- `Error` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Debug, Fail)]
[INFO] [stdout]   |                        ^---
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        `Display` is not local
[INFO] [stdout]   |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   |          ----- `Error` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `san`
[INFO] [stdout]   --> benches/benchmarks/game.rs:29:17
[INFO] [stdout]    |
[INFO] [stdout] 29 |     for (index, san) in san_moves.iter().enumerate() {
[INFO] [stdout]    |                 ^^^ help: if this is intentional, prefix it with an underscore: `_san`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `legality_benchmarks` is never used
[INFO] [stdout]   --> benches/benchmarks/game.rs:20:4
[INFO] [stdout]    |
[INFO] [stdout] 20 | fn legality_benchmarks(c: &mut Criterion) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `from_square`
[INFO] [stdout]    --> src/movegen/piece_type.rs:378:9
[INFO] [stdout]     |
[INFO] [stdout] 378 |         from_square: Option<Square>, // ignored
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_from_square`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `is` is never used
[INFO] [stdout]   --> src/movegen/piece_type.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub trait PieceType {
[INFO] [stdout]    |           --------- associated function in this trait
[INFO] [stdout] 15 |     fn is(piece: Piece) -> bool;
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Debug, Fail)]
[INFO] [stdout]   |                        ^---
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        `Fail` is not local
[INFO] [stdout]   |                        move the `impl` block outside of this constant `_DERIVE_failure_Fail_FOR_Error`
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   |          ----- `Error` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: `#[warn(non_local_definitions)]` on by default
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: non-local `impl` definition, `impl` blocks should be written at the same level as their item
[INFO] [stdout]  --> src/error.rs:4:24
[INFO] [stdout]   |
[INFO] [stdout] 4 | #[derive(Clone, Debug, Fail)]
[INFO] [stdout]   |                        ^---
[INFO] [stdout]   |                        |
[INFO] [stdout]   |                        `Display` is not local
[INFO] [stdout]   |                        move the `impl` block outside of this constant `_DERIVE_failure_core_fmt_Display_FOR_Error`
[INFO] [stdout] 5 | pub enum Error {
[INFO] [stdout]   |          ----- `Error` is not local
[INFO] [stdout]   |
[INFO] [stdout]   = note: the derive macro `Fail` defines the non-local `impl`, and may need to be changed
[INFO] [stdout]   = note: the derive macro `Fail` may come from an old version of the `failure_derive` crate, try updating your dependency with `cargo update -p failure_derive`
[INFO] [stdout]   = note: an `impl` is never scoped, even when it is nested inside an item, as it may impact type checking outside of that item, which can be the case if neither the trait or the self type are at the same nesting level as the `impl`
[INFO] [stdout]   = note: items in an anonymous const item (`const _: () = { ... }`) are treated as in the same scope as the anonymous const's declaration for the purpose of this lint
[INFO] [stdout]   = note: this warning originates in the derive macro `Fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [optimized + debuginfo] target(s) in 1m 18s
[INFO] running `Command { std: "docker" "inspect" "959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd", kill_on_drop: false }`
[INFO] [stdout] 959b0b86ab6ad4e32c643d19e8176fd391030ce47578ef5c3f53bd3a6749f1cd
