[INFO] fetching crate astar 4.0.0...
[INFO] checking astar-4.0.0 against master#b3bd7058c139e71bae0862ef8f8ac936208873e9 for pr-123752
[INFO] extracting crate astar 4.0.0 into /workspace/builds/worker-0-tc1/source
[INFO] validating manifest of crates.io crate astar 4.0.0 on toolchain b3bd7058c139e71bae0862ef8f8ac936208873e9
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding typed-arena v1.2.0 (latest: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded typed-arena v1.2.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 87efbc960c9711e28ba09eafd37f9fce8534142542c5e6cfcba2a8efa23c752c
[INFO] running `Command { std: "docker" "start" "-a" "87efbc960c9711e28ba09eafd37f9fce8534142542c5e6cfcba2a8efa23c752c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "87efbc960c9711e28ba09eafd37f9fce8534142542c5e6cfcba2a8efa23c752c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "87efbc960c9711e28ba09eafd37f9fce8534142542c5e6cfcba2a8efa23c752c", kill_on_drop: false }`
[INFO] [stdout] 87efbc960c9711e28ba09eafd37f9fce8534142542c5e6cfcba2a8efa23c752c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b3bd7058c139e71bae0862ef8f8ac936208873e9" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 900146ed332599abb882cf2bd8d133dcf6c158a62a9e17e956647573403daf68
[INFO] running `Command { std: "docker" "start" "-a" "900146ed332599abb882cf2bd8d133dcf6c158a62a9e17e956647573403daf68", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking typed-arena v1.2.0
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking 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)]` 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: 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)]` 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] warning: 4 warnings emitted
[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]     |            ^^^^^^^^^--------- an argument 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] error: aborting due to 3 previous errors; 7 warnings emitted
[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 4 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "900146ed332599abb882cf2bd8d133dcf6c158a62a9e17e956647573403daf68", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "900146ed332599abb882cf2bd8d133dcf6c158a62a9e17e956647573403daf68", kill_on_drop: false }`
[INFO] [stdout] 900146ed332599abb882cf2bd8d133dcf6c158a62a9e17e956647573403daf68
[INFO] checking astar-4.0.0 against try#57fe1b734d9ff1c8a92bda60b85506b9648158d3 for pr-123752
[INFO] extracting crate astar 4.0.0 into /workspace/builds/worker-0-tc2/source
[INFO] validating manifest of crates.io crate astar 4.0.0 on toolchain 57fe1b734d9ff1c8a92bda60b85506b9648158d3
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-0-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 6 packages
[INFO] [stderr]       Adding num-traits v0.1.43 (latest: v0.2.18)
[INFO] [stderr]       Adding typed-arena v1.2.0 (latest: v2.0.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bfdc21b793779e47385ac7fee3d3c3fb0cf3ffe938309af05b64330b42bdbae6
[INFO] running `Command { std: "docker" "start" "-a" "bfdc21b793779e47385ac7fee3d3c3fb0cf3ffe938309af05b64330b42bdbae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bfdc21b793779e47385ac7fee3d3c3fb0cf3ffe938309af05b64330b42bdbae6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bfdc21b793779e47385ac7fee3d3c3fb0cf3ffe938309af05b64330b42bdbae6", kill_on_drop: false }`
[INFO] [stdout] bfdc21b793779e47385ac7fee3d3c3fb0cf3ffe938309af05b64330b42bdbae6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+57fe1b734d9ff1c8a92bda60b85506b9648158d3" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 12152c28a91cb6efd084ad52fb1f8628d6ec81378a2846db57133d02505b5c86
[INFO] running `Command { std: "docker" "start" "-a" "12152c28a91cb6efd084ad52fb1f8628d6ec81378a2846db57133d02505b5c86", kill_on_drop: false }`
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]     Checking typed-arena v1.2.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking 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)]` 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: 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)]` 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] warning: 4 warnings emitted
[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]     |            ^^^^^^^^^--------- an argument 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] error: aborting due to 3 previous errors; 7 warnings emitted
[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 4 previous errors; 7 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "12152c28a91cb6efd084ad52fb1f8628d6ec81378a2846db57133d02505b5c86", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "12152c28a91cb6efd084ad52fb1f8628d6ec81378a2846db57133d02505b5c86", kill_on_drop: false }`
[INFO] [stdout] 12152c28a91cb6efd084ad52fb1f8628d6ec81378a2846db57133d02505b5c86
