[INFO] fetching crate chesshound 0.1.0...
[INFO] testing chesshound-0.1.0 against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7
[INFO] extracting crate chesshound 0.1.0 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate chesshound 0.1.0
[INFO] finished tweaking crates.io crate chesshound 0.1.0
[INFO] tweaked toml for crates.io crate chesshound 0.1.0 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate chesshound 0.1.0 on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate chesshound 0.1.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-xid v0.2.2
[INFO] [stderr]   Downloaded rustc_version v0.2.3
[INFO] [stderr]   Downloaded quote v1.0.9
[INFO] [stderr]   Downloaded mach v0.3.2
[INFO] [stderr]   Downloaded unicode-width v0.1.8
[INFO] [stderr]   Downloaded proc-macro2 v1.0.29
[INFO] [stderr]   Downloaded float-cmp v0.5.3
[INFO] [stderr]   Downloaded autocfg v1.0.1
[INFO] [stderr]   Downloaded arrayvec v0.7.1
[INFO] [stderr]   Downloaded btoi v0.4.2
[INFO] [stderr]   Downloaded memchr v2.4.1
[INFO] [stderr]   Downloaded num-traits v0.2.14
[INFO] [stderr]   Downloaded pgn-reader v0.18.0
[INFO] [stderr]   Downloaded slice-deque v0.3.0
[INFO] [stderr]   Downloaded syn v1.0.75
[INFO] [stderr]   Downloaded clap v2.33.3
[INFO] [stderr]   Downloaded shakmaty v0.19.0
[INFO] [stderr]   Downloaded libc v0.2.101
[INFO] [stderr]   Downloaded rstest v0.6.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2f36147309821c86302f146ebe740f4f14978b75042f96b869a9abafa5c92c8d
[INFO] running `Command { std: "docker" "start" "-a" "2f36147309821c86302f146ebe740f4f14978b75042f96b869a9abafa5c92c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2f36147309821c86302f146ebe740f4f14978b75042f96b869a9abafa5c92c8d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2f36147309821c86302f146ebe740f4f14978b75042f96b869a9abafa5c92c8d", kill_on_drop: false }`
[INFO] [stdout] 2f36147309821c86302f146ebe740f4f14978b75042f96b869a9abafa5c92c8d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 51e1c95937ad9c8929a88e0bfc6d49b1cd939b1fb3787a40c5aec3ecc47a0c69
[INFO] running `Command { std: "docker" "start" "-a" "51e1c95937ad9c8929a88e0bfc6d49b1cd939b1fb3787a40c5aec3ecc47a0c69", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.1
[INFO] [stderr]    Compiling libc v0.2.101
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling shakmaty v0.19.0
[INFO] [stderr]    Compiling bitflags v1.3.2
[INFO] [stderr]    Compiling unicode-width v0.1.8
[INFO] [stderr]    Compiling arrayvec v0.7.1
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling vec_map v0.8.2
[INFO] [stderr]    Compiling strsim v0.8.0
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling slice-deque v0.3.0
[INFO] [stderr]    Compiling clap v2.33.3
[INFO] [stderr]    Compiling btoi v0.4.2
[INFO] [stderr]    Compiling pgn-reader v0.18.0
[INFO] [stderr]    Compiling chesshound v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<M, G> {
[INFO] [stdout]     |                      ^^^^^                     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<'_, M, G> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn view(&self) -> MoveTreeView<M, G> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn view(&self) -> MoveTreeView<'_, M, G> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<M, Box<MoveTree<M, G>>>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<'_, M, Box<MoveTree<M, G>>>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.22s
[INFO] running `Command { std: "docker" "inspect" "51e1c95937ad9c8929a88e0bfc6d49b1cd939b1fb3787a40c5aec3ecc47a0c69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "51e1c95937ad9c8929a88e0bfc6d49b1cd939b1fb3787a40c5aec3ecc47a0c69", kill_on_drop: false }`
[INFO] [stdout] 51e1c95937ad9c8929a88e0bfc6d49b1cd939b1fb3787a40c5aec3ecc47a0c69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 29aff948a4f147cf9232991cb843e4a400f88e94e360b32651cd36851b2cde3d
[INFO] running `Command { std: "docker" "start" "-a" "29aff948a4f147cf9232991cb843e4a400f88e94e360b32651cd36851b2cde3d", kill_on_drop: false }`
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.29
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling syn v1.0.75
[INFO] [stderr]    Compiling cfg-if v0.1.10
[INFO] [stderr]    Compiling float-cmp v0.5.3
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<M, G> {
[INFO] [stdout]     |                      ^^^^^                     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<'_, M, G> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn view(&self) -> MoveTreeView<M, G> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn view(&self) -> MoveTreeView<'_, M, G> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<M, Box<MoveTree<M, G>>>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<'_, M, Box<MoveTree<M, G>>>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling rstest v0.6.4
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]    Compiling chesshound v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:106:22
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<M, G> {
[INFO] [stdout]     |                      ^^^^^                     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                      |
[INFO] [stdout]     |                      the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<'_, M, G> {
[INFO] [stdout]     |                                                             +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:116:17
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn view(&self) -> MoveTreeView<M, G> {
[INFO] [stdout]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 116 |     pub fn view(&self) -> MoveTreeView<'_, M, G> {
[INFO] [stdout]     |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/move_tree.rs:153:21
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<M, Box<MoveTree<M, G>>>> {
[INFO] [stdout]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<'_, M, Box<MoveTree<M, G>>>> {
[INFO] [stdout]     |                                                     +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 10.64s
[INFO] running `Command { std: "docker" "inspect" "29aff948a4f147cf9232991cb843e4a400f88e94e360b32651cd36851b2cde3d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29aff948a4f147cf9232991cb843e4a400f88e94e360b32651cd36851b2cde3d", kill_on_drop: false }`
[INFO] [stdout] 29aff948a4f147cf9232991cb843e4a400f88e94e360b32651cd36851b2cde3d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 8b555f2e019b1933b1e5f7c0c8cb8a6fbdc52cf89b576b7b951f45e558098b62
[INFO] running `Command { std: "docker" "start" "-a" "8b555f2e019b1933b1e5f7c0c8cb8a6fbdc52cf89b576b7b951f45e558098b62", kill_on_drop: false }`
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/move_tree.rs:106:22
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<M, G> {
[INFO] [stderr]     |                      ^^^^^                     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                      |
[INFO] [stderr]     |                      the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]     = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 106 |     pub fn with_next(&self, chess_move: &M) -> MoveTreeView<'_, M, G> {
[INFO] [stderr]     |                                                             +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/move_tree.rs:116:17
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn view(&self) -> MoveTreeView<M, G> {
[INFO] [stderr]     |                 ^^^^^     ^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 116 |     pub fn view(&self) -> MoveTreeView<'_, M, G> {
[INFO] [stderr]     |                                        +++
[INFO] [stderr] 
[INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stderr]    --> src/move_tree.rs:153:21
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<M, Box<MoveTree<M, G>>>> {
[INFO] [stderr]     |                     ^^^^^            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     the lifetime is elided here
[INFO] [stderr]     |
[INFO] [stderr]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr] help: use `'_` for type paths
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn branches(&self) -> Option<hash_map::Keys<'_, M, Box<MoveTree<M, G>>>> {
[INFO] [stderr]     |                                                     +++
[INFO] [stderr] 
[INFO] [stderr] warning: `chesshound` (lib) generated 3 warnings (run `cargo fix --lib -p chesshound` to apply 3 suggestions)
[INFO] [stderr] warning: `chesshound` (lib test) generated 3 warnings (3 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/chesshound-0c1981c7fbf24bf4)
[INFO] [stdout] 
[INFO] [stdout] running 51 tests
[INFO] [stdout] test game::tests::game_equality::case_1 ... ok
[INFO] [stdout] test game::tests::game_inequality::case_1 ... ok
[INFO] [stdout] test game::tests::game_inequality::case_2 ... ok
[INFO] [stdout] test game::tests::game_equality::case_2 ... ok
[INFO] [stdout] test move_tree::tests::branches_should_return_next_possible_moves::case_1 ... ok
[INFO] [stdout] test move_tree::tests::move_trees_should_allow_unplayed_games ... ok
[INFO] [stdout] test move_tree::tests::branches_should_return_next_possible_moves::case_2 ... ok
[INFO] [stdout] test move_tree::tests::with_next_should_return_subsets_of_move_tree::case_1 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_04 ... ok
[INFO] [stdout] test move_tree::tests::with_next_should_return_subsets_of_move_tree::case_2 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_03 ... ok
[INFO] [stdout] test move_tree::tests::with_next_should_return_subsets_of_move_tree::case_3 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_01 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_02 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_05 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_06 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_07 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_08 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_09 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_10 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_11 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_12 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_14 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_convert_to_valid_san::case_2 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_convert_to_valid_san::case_1 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_02 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_01 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_04 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_03 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_08 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_09 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_05 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_accept_valid_san::case_13 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_06 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_10 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_07 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_11 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_13 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_12 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_moves::case_2 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_result::case_1 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_result::case_3 ... ok
[INFO] [stdout] test moves::tests::algebraic_move_should_reject_invalid_san::case_14 ... ok
[INFO] [stdout] test stats::tests::results_should_give_correct_rates::case_1 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_result::case_2 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_moves::case_1 ... ok
[INFO] [stdout] test stats::tests::results_should_give_correct_rates::case_3 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_players::case_3 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_players::case_2 ... ok
[INFO] [stdout] test stats::tests::results_should_give_correct_rates::case_2 ... ok
[INFO] [stdout] test parsing::tests::game_visitor_should_find_correct_players::case_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 51 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chesshound-1a2d71e81363430e)
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests chesshound
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/move_tree.rs - move_tree::MoveTree (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.35s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8b555f2e019b1933b1e5f7c0c8cb8a6fbdc52cf89b576b7b951f45e558098b62", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b555f2e019b1933b1e5f7c0c8cb8a6fbdc52cf89b576b7b951f45e558098b62", kill_on_drop: false }`
[INFO] [stdout] 8b555f2e019b1933b1e5f7c0c8cb8a6fbdc52cf89b576b7b951f45e558098b62
