[INFO] fetching crate astar 4.0.0...
[INFO] testing astar-4.0.0 against try#c2e32f1c9652b13ed99608599c1e855462f421f3 for pr-146098-7
[INFO] extracting crate astar 4.0.0 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate astar 4.0.0
[INFO] finished tweaking crates.io crate astar 4.0.0
[INFO] tweaked toml for crates.io crate astar 4.0.0 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate astar 4.0.0 on toolchain c2e32f1c9652b13ed99608599c1e855462f421f3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 5 packages to latest compatible versions
[INFO] [stderr]       Adding num-traits v0.1.43 (available: v0.2.19)
[INFO] [stderr]       Adding typed-arena v1.2.0 (available: v1.7.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0c5520b1f210e0ba80703f5121082bca4c9773260be3416bc2aeecfe0227a5b3
[INFO] running `Command { std: "docker" "start" "-a" "0c5520b1f210e0ba80703f5121082bca4c9773260be3416bc2aeecfe0227a5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0c5520b1f210e0ba80703f5121082bca4c9773260be3416bc2aeecfe0227a5b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0c5520b1f210e0ba80703f5121082bca4c9773260be3416bc2aeecfe0227a5b3", kill_on_drop: false }`
[INFO] [stdout] 0c5520b1f210e0ba80703f5121082bca4c9773260be3416bc2aeecfe0227a5b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b7d1923ee0c597ab89e90af54c36488689f3830bdac6e386a1f51bdfd98c28c9
[INFO] running `Command { std: "docker" "start" "-a" "b7d1923ee0c597ab89e90af54c36488689f3830bdac6e386a1f51bdfd98c28c9", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling typed-arena v1.2.0
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling astar v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn is_end(&self, &Self::Node) -> bool;
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn heuristic(&self, &Self::Node) -> Self::Cost;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Cost`
[INFO] [stdout]    |
[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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn new_initial(state: &'a S) -> SearchNode<S, C> {
[INFO] [stdout]    |                            --       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |        |
[INFO] [stdout]    |                            |        the same lifetime is hidden here
[INFO] [stdout]    |                            |        the same lifetime is hidden here
[INFO] [stdout]    |                            the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn new_initial(state: &'a S) -> SearchNode<'a, S, C> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.21s
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn new(state: &'a S) -> SearchNode<S, C> {
[INFO] [stdout]    |                    --       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                    |        |
[INFO] [stdout]    |                    |        the same lifetime is hidden here
[INFO] [stdout]    |                    |        the same lifetime is hidden here
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn new(state: &'a S) -> SearchNode<'a, S, C> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "b7d1923ee0c597ab89e90af54c36488689f3830bdac6e386a1f51bdfd98c28c9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b7d1923ee0c597ab89e90af54c36488689f3830bdac6e386a1f51bdfd98c28c9", kill_on_drop: false }`
[INFO] [stdout] b7d1923ee0c597ab89e90af54c36488689f3830bdac6e386a1f51bdfd98c28c9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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" "+c2e32f1c9652b13ed99608599c1e855462f421f3" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 26f16c09e1715271f84b99419446ffd30f2b26134e4d4f5be0dd927ff9b88b0f
[INFO] running `Command { std: "docker" "start" "-a" "26f16c09e1715271f84b99419446ffd30f2b26134e4d4f5be0dd927ff9b88b0f", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn is_end(&self, &Self::Node) -> bool;
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn heuristic(&self, &Self::Node) -> Self::Cost;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Cost`
[INFO] [stdout]    |
[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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:46:37
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn new_initial(state: &'a S) -> SearchNode<S, C> {
[INFO] [stdout]    |                            --       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                            |        |
[INFO] [stdout]    |                            |        the same lifetime is hidden here
[INFO] [stdout]    |                            |        the same lifetime is hidden here
[INFO] [stdout]    |                            the lifetime is named 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: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn new_initial(state: &'a S) -> SearchNode<'a, S, C> {
[INFO] [stdout]    |                                                +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/lib.rs:58:29
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn new(state: &'a S) -> SearchNode<S, C> {
[INFO] [stdout]    |                    --       ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |                    |        |
[INFO] [stdout]    |                    |        the same lifetime is hidden here
[INFO] [stdout]    |                    |        the same lifetime is hidden here
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 58 |     fn new(state: &'a S) -> SearchNode<'a, S, C> {
[INFO] [stdout]    |                                        +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling astar v4.0.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/test.rs:12:25
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn heuristic(&self, &Self::Node, &Self::Node) -> Self::Cost;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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]    = note: `#[warn(anonymous_parameters)]` (part of `#[warn(rust_2018_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/test.rs:12:38
[INFO] [stdout]    |
[INFO] [stdout] 12 |     fn heuristic(&self, &Self::Node, &Self::Node) -> Self::Cost;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/test.rs:13:25
[INFO] [stdout]    |
[INFO] [stdout] 13 |     fn neighbors(&self, &Self::Node) -> Self::Iter;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:23:22
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn is_end(&self, &Self::Node) -> bool;
[INFO] [stdout]    |                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:24:25
[INFO] [stdout]    |
[INFO] [stdout] 24 |     fn heuristic(&self, &Self::Node) -> Self::Cost;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:25:25
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]    |                         ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Node`
[INFO] [stdout]    |
[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: anonymous parameters are deprecated and will be removed in the next edition
[INFO] [stdout]   --> src/lib.rs:25:38
[INFO] [stdout]    |
[INFO] [stdout] 25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]    |                                      ^^^^^^^^^^^ help: try naming the parameter or explicitly ignoring it: `_: &Self::Cost`
[INFO] [stdout]    |
[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] error[E0050]: method `neighbors` has 2 parameters but the declaration in trait `SearchProblem::neighbors` has 3
[INFO] [stdout]    --> src/test.rs:157:18
[INFO] [stdout]     |
[INFO] [stdout] 157 |     fn neighbors(&self, node: &Self::Node) -> Self::Iter {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^ expected 3 parameters, found 2
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:25:18
[INFO] [stdout]     |
[INFO] [stdout]  25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]     |                  ------------------------------- trait requires 3 parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0050]: method `neighbors` has 2 parameters but the declaration in trait `SearchProblem::neighbors` has 3
[INFO] [stdout]    --> src/test.rs:190:18
[INFO] [stdout]     |
[INFO] [stdout] 190 |     fn neighbors(&self, &(x, y): &(i32, i32)) -> IntoIter<((i32, i32), i32)> {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected 3 parameters, found 2
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/lib.rs:25:18
[INFO] [stdout]     |
[INFO] [stdout]  25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]     |                  ------------------------------- trait requires 3 parameters
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this method takes 2 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/test.rs:222:12
[INFO] [stdout]     |
[INFO] [stdout] 222 |         gs.neighbors(&(0, 0)).collect::<Vec<_>>()
[INFO] [stdout]     |            ^^^^^^^^^--------- argument #2 of type `&i32` is missing
[INFO] [stdout]     |
[INFO] [stdout] note: method defined here
[INFO] [stdout]    --> src/lib.rs:25:8
[INFO] [stdout]     |
[INFO] [stdout]  25 |     fn neighbors(&self, &Self::Node, &Self::Cost) -> Self::Iter;
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] help: provide the argument
[INFO] [stdout]     |
[INFO] [stdout] 222 |         gs.neighbors(&(0, 0), /* &i32 */).collect::<Vec<_>>()
[INFO] [stdout]     |                             ++++++++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0050, E0061.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0050`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `astar` (lib test) due to 3 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "26f16c09e1715271f84b99419446ffd30f2b26134e4d4f5be0dd927ff9b88b0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "26f16c09e1715271f84b99419446ffd30f2b26134e4d4f5be0dd927ff9b88b0f", kill_on_drop: false }`
[INFO] [stdout] 26f16c09e1715271f84b99419446ffd30f2b26134e4d4f5be0dd927ff9b88b0f
