[INFO] cloning repository https://github.com/LucasSimpson/rust-chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/LucasSimpson/rust-chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasSimpson%2Frust-chess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasSimpson%2Frust-chess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c6c7ad88034cb7c7567dceb0d7e6d89b077f20ce
[INFO] checking LucasSimpson/rust-chess-engine against try#0cb362313295507a2f4321c0e30cea0168f2fe71 for pr-138961-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLucasSimpson%2Frust-chess-engine" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/LucasSimpson/rust-chess-engine
[INFO] finished tweaking git repo https://github.com/LucasSimpson/rust-chess-engine
[INFO] tweaked toml for git repo https://github.com/LucasSimpson/rust-chess-engine written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/LucasSimpson/rust-chess-engine on toolchain 0cb362313295507a2f4321c0e30cea0168f2fe71
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/LucasSimpson/rust-chess-engine 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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cast v0.2.5
[INFO] [stderr]   Downloaded crossbeam-epoch v0.9.4
[INFO] [stderr]   Downloaded bstr v0.2.16
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8d86f0870fe0d6771d0fd3e5e41a6341c0a9ed5c0cd9ab4da7d1495394213833
[INFO] running `Command { std: "docker" "start" "-a" "8d86f0870fe0d6771d0fd3e5e41a6341c0a9ed5c0cd9ab4da7d1495394213833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8d86f0870fe0d6771d0fd3e5e41a6341c0a9ed5c0cd9ab4da7d1495394213833", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8d86f0870fe0d6771d0fd3e5e41a6341c0a9ed5c0cd9ab4da7d1495394213833", kill_on_drop: false }`
[INFO] [stdout] 8d86f0870fe0d6771d0fd3e5e41a6341c0a9ed5c0cd9ab4da7d1495394213833
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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" "+0cb362313295507a2f4321c0e30cea0168f2fe71" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28746a4c6deb13ffe1c6b4e5a7c1fd1b962dd5842c85ca175bc2678ab546c2fd
[INFO] running `Command { std: "docker" "start" "-a" "28746a4c6deb13ffe1c6b4e5a7c1fd1b962dd5842c85ca175bc2678ab546c2fd", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.94
[INFO] [stderr]    Compiling crossbeam-utils v0.8.4
[INFO] [stderr]    Compiling serde v1.0.126
[INFO] [stderr]    Compiling memoffset v0.6.3
[INFO] [stderr]    Compiling memchr v2.4.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.26
[INFO] [stderr]     Checking either v1.6.1
[INFO] [stderr]    Compiling rayon-core v1.9.0
[INFO] [stderr]    Compiling cast v0.2.5
[INFO] [stderr]    Compiling serde_json v1.0.64
[INFO] [stderr]     Checking itoa v0.4.7
[INFO] [stderr]    Compiling syn v1.0.72
[INFO] [stderr]     Checking byteorder v1.4.3
[INFO] [stderr]    Compiling rayon v1.5.0
[INFO] [stderr]    Compiling serde_derive v1.0.126
[INFO] [stderr]     Checking plotters-backend v0.3.0
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking crossbeam-epoch v0.9.4
[INFO] [stderr]     Checking crossbeam-channel v0.5.1
[INFO] [stderr]     Checking getrandom v0.2.2
[INFO] [stderr]     Checking num_cpus v1.13.0
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[INFO] [stderr]     Checking csv-core v0.1.10
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[INFO] [stderr]     Checking textwrap v0.11.0
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[INFO] [stderr]     Checking regex-syntax v0.6.25
[INFO] [stderr]     Checking half v1.7.1
[INFO] [stderr]     Checking clap v2.33.3
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[INFO] [stderr]     Checking regex v1.5.4
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking criterion-plot v0.4.3
[INFO] [stderr]     Checking itertools v0.10.0
[INFO] [stderr]     Checking oorandom v11.1.3
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/v2.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/board.rs:553:41
[INFO] [stdout]     |
[INFO] [stdout] 553 |                 for opt_cm in IntoIter::new(moves) {
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated associated function `std::array::IntoIter::<T, N>::new`: use `IntoIterator::into_iter` instead
[INFO] [stdout]    --> src/board.rs:583:41
[INFO] [stdout]     |
[INFO] [stdout] 583 |                 for opt_cm in IntoIter::new(moves) {
[INFO] [stdout]     |                                         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `clear` found for mutable reference `&mut &Rc<RefCell<Node>>` in the current scope
[INFO] [stdout]    --> src/v2.rs:162:33
[INFO] [stdout]     |
[INFO] [stdout] 162 |             *rnode.borrow_mut().clear();
[INFO] [stdout]     |                                 ^^^^^ method not found in `&mut &Rc<RefCell<Node>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for mutable reference `&mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>` in the current scope
[INFO] [stdout]    --> src/v2.rs:201:22
[INFO] [stdout]     |
[INFO] [stdout] 201 |             match bm.get(&key) {
[INFO] [stdout]     |                      ^^^ method not found in `&mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/v2.rs:203:76
[INFO] [stdout]     |
[INFO] [stdout] 203 |                     println!("NODE EXISTS WOAH, explored: {}, #child: {}", rnode.borrow().explored, rnode.borrow().children.len());
[INFO] [stdout]     |                                                                            ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `insert` found for mutable reference `&mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>` in the current scope
[INFO] [stdout]    --> src/v2.rs:222:24
[INFO] [stdout]     |
[INFO] [stdout] 222 |                     bm.insert(key, rnode);
[INFO] [stdout]     |                        ^^^^^^ method not found in `&mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `get` found for mutable reference `&mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>` in the current scope
[INFO] [stdout]    --> src/v2.rs:263:65
[INFO] [stdout]     |
[INFO] [stdout] 263 |                 let rnode_base = match self.boards.borrow_mut().get(&key) {
[INFO] [stdout]     |                                                                 ^^^ method not found in `&mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> src/v2.rs:268:36
[INFO] [stdout]     |
[INFO] [stdout] 268 |                     Some(rnode) => rnode.clone(),
[INFO] [stdout]     |                                    ^^^^^ cannot infer type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/v2.rs:285:51
[INFO] [stdout]     |
[INFO] [stdout] 285 |                     let rnode_one = Manager::grow(&mut self.boards.borrow_mut(), &rnode_base, cm, nboard);
[INFO] [stdout]     |                                     ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&mut RefMut<'_, HashMap<u64, Rc<...>>>`, found `&mut &mut Rc<RefCell<HashMap<u64, ...>>>`
[INFO] [stdout]     |                                     |
[INFO] [stdout]     |                                     arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut RefMut<'_, HashMap<u64, Rc<RefCell<Node>>>>`
[INFO] [stdout]                found mutable reference `&mut &mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/v2.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn grow(hm: &mut RefMut<HashMap<u64, Rc<RefCell<Node>>>>, from: &Rc<RefCell<Node>>, cm: &ChessMove, board: Board) -> Rc<RefCell...
[INFO] [stdout]     |        ^^^^ ------------------------------------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `explored` on type `&mut Rc<RefCell<Node>>`
[INFO] [stdout]    --> src/v2.rs:288:44
[INFO] [stdout]     |
[INFO] [stdout] 288 |                     rnode_one.borrow_mut().explored = true;
[INFO] [stdout]     |                                            ^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `board` on type `&mut Rc<RefCell<Node>>`
[INFO] [stdout]    --> src/v2.rs:289:60
[INFO] [stdout]     |
[INFO] [stdout] 289 |                     let opp_moves = rnode_one.borrow_mut().board.get_legal_moves();
[INFO] [stdout]     |                                                            ^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/v2.rs:292:55
[INFO] [stdout]     |
[INFO] [stdout] 292 |                         let rnode_two = Manager::grow(&mut self.boards.borrow_mut(), &rnode_one, opp_cm, nnboard);
[INFO] [stdout]     |                                         ------------- ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ expected `&mut RefMut<'_, HashMap<u64, Rc<...>>>`, found `&mut &mut Rc<RefCell<HashMap<u64, ...>>>`
[INFO] [stdout]     |                                         |
[INFO] [stdout]     |                                         arguments to this function are incorrect
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected mutable reference `&mut RefMut<'_, HashMap<u64, Rc<RefCell<Node>>>>`
[INFO] [stdout]                found mutable reference `&mut &mut Rc<RefCell<HashMap<u64, Rc<RefCell<Node>>>>>`
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> src/v2.rs:338:8
[INFO] [stdout]     |
[INFO] [stdout] 338 |     fn grow(hm: &mut RefMut<HashMap<u64, Rc<RefCell<Node>>>>, from: &Rc<RefCell<Node>>, cm: &ChessMove, board: Board) -> Rc<RefCell...
[INFO] [stdout]     |        ^^^^ ------------------------------------------------
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `parents` on type `&mut Rc<RefCell<Node>>`
[INFO] [stdout]    --> src/v2.rs:353:36
[INFO] [stdout]     |
[INFO] [stdout] 353 |                 rnode.borrow_mut().parents.push((cm.clone(), from.clone()));
[INFO] [stdout]     |                                    ^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `children` on type `&mut &Rc<RefCell<Node>>`
[INFO] [stdout]    --> src/v2.rs:354:35
[INFO] [stdout]     |
[INFO] [stdout] 354 |                 from.borrow_mut().children.push((cm.clone(), rnode.clone()));
[INFO] [stdout]     |                                   ^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `parents` on type `&mut &Rc<RefCell<Node>>`
[INFO] [stdout]    --> src/v2.rs:360:36
[INFO] [stdout]     |
[INFO] [stdout] 360 |                 rnode.borrow_mut().parents.push((cm.clone(), from.clone()));
[INFO] [stdout]     |                                    ^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0609]: no field `children` on type `&mut &Rc<RefCell<Node>>`
[INFO] [stdout]    --> src/v2.rs:361:35
[INFO] [stdout]     |
[INFO] [stdout] 361 |                 from.borrow_mut().children.push((cm.clone(), rnode.clone()));
[INFO] [stdout]     |                                   ^^^^^^^^ unknown field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0282, E0308, E0599, E0609.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess` (lib) due to 14 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "28746a4c6deb13ffe1c6b4e5a7c1fd1b962dd5842c85ca175bc2678ab546c2fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28746a4c6deb13ffe1c6b4e5a7c1fd1b962dd5842c85ca175bc2678ab546c2fd", kill_on_drop: false }`
[INFO] [stdout] 28746a4c6deb13ffe1c6b4e5a7c1fd1b962dd5842c85ca175bc2678ab546c2fd
