[INFO] updating cached repository https://github.com/PewPewPewcoding/rust-tictactoe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] dd9ad914e74fa39179925f40556282fda686f6cc
[INFO] checking PewPewPewcoding/rust-tictactoe against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPewPewPewcoding%2Frust-tictactoe" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PewPewPewcoding/rust-tictactoe on toolchain 45d050cde277b22a755847338f2acc2c7b834141
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/PewPewPewcoding/rust-tictactoe
[INFO] finished tweaking git repo https://github.com/PewPewPewcoding/rust-tictactoe
[INFO] tweaked toml for git repo https://github.com/PewPewPewcoding/rust-tictactoe written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/PewPewPewcoding/rust-tictactoe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 6674107cd088ade7de50f2d72df9e6aa839e9ad1649fbf3f8a90e6513d5642ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "6674107cd088ade7de50f2d72df9e6aa839e9ad1649fbf3f8a90e6513d5642ad"`
[INFO] [stderr]     Checking tictactoe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: `mut` must be attached to each individual binding
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut (x, o, e) = (0, 0, 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: add `mut` to each binding: `(mut x, mut o, mut e)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `mut` may be followed by `variable` and `variable @ pattern`
[INFO] [stderr] 
[INFO] [stderr] error: `mut` must be attached to each individual binding
[INFO] [stderr]   --> src/lib.rs:27:13
[INFO] [stderr]    |
[INFO] [stderr] 27 |         let mut (x, o, e) = (0, 0, 0);
[INFO] [stderr]    |             ^^^^^^^^^^^^^ help: add `mut` to each binding: `(mut x, mut o, mut e)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `mut` may be followed by `variable` and `variable @ pattern`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::string::String` is not an iterator
[INFO] [stderr]   --> src/lib.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         for i in input {
[INFO] [stderr]    |                  ^^^^^ `std::string::String` is not an iterator; try calling `.chars()` or `.bytes()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `std::string::String`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[TicTacToe]` cannot be indexed by `char`
[INFO] [stderr]   --> src/lib.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |                 'X' => board[i] = TicTacToe::X,
[INFO] [stderr]    |                        ^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[TicTacToe]>` is not implemented for `char`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<char>` for `[TicTacToe]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[TicTacToe]` cannot be indexed by `char`
[INFO] [stderr]   --> src/lib.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 'O' => board[i] = TicTacToe::O,
[INFO] [stderr]    |                        ^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[TicTacToe]>` is not implemented for `char`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<char>` for `[TicTacToe]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[TicTacToe; 9]` is not an iterator
[INFO] [stderr]   --> src/lib.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |         for i in self.board {
[INFO] [stderr]    |                  ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `[TicTacToe; 9]`
[INFO] [stderr]    = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[TicTacToe; 9]` is not an iterator
[INFO] [stderr]   --> src/lib.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for i in self.board {
[INFO] [stderr]    |                      ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `[TicTacToe; 9]`
[INFO] [stderr]    = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `std::string::String` is not an iterator
[INFO] [stderr]   --> src/lib.rs:15:18
[INFO] [stderr]    |
[INFO] [stderr] 15 |         for i in input {
[INFO] [stderr]    |                  ^^^^^ `std::string::String` is not an iterator; try calling `.chars()` or `.bytes()`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `std::string::String`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[TicTacToe]` cannot be indexed by `char`
[INFO] [stderr]   --> src/lib.rs:17:24
[INFO] [stderr]    |
[INFO] [stderr] 17 |                 'X' => board[i] = TicTacToe::X,
[INFO] [stderr]    |                        ^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[TicTacToe]>` is not implemented for `char`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<char>` for `[TicTacToe]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: the type `[TicTacToe]` cannot be indexed by `char`
[INFO] [stderr]   --> src/lib.rs:18:24
[INFO] [stderr]    |
[INFO] [stderr] 18 |                 'O' => board[i] = TicTacToe::O,
[INFO] [stderr]    |                        ^^^^^^^^ slice indices are of type `usize` or ranges of `usize`
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::slice::SliceIndex<[TicTacToe]>` is not implemented for `char`
[INFO] [stderr]    = note: required because of the requirements on the impl of `std::ops::Index<char>` for `[TicTacToe]`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[TicTacToe; 9]` is not an iterator
[INFO] [stderr]   --> src/lib.rs:30:18
[INFO] [stderr]    |
[INFO] [stderr] 30 |         for i in self.board {
[INFO] [stderr]    |                  ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `[TicTacToe; 9]`
[INFO] [stderr]    = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&GameState`
[INFO] [stderr]   --> src/lib.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     tmp[i] = TicTacToe::X;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[TicTacToe; 9]` is not an iterator
[INFO] [stderr]   --> src/lib.rs:41:22
[INFO] [stderr]    |
[INFO] [stderr] 41 |             for i in self.board {
[INFO] [stderr]    |                      ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `[TicTacToe; 9]`
[INFO] [stderr]    = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&GameState`
[INFO] [stderr]   --> src/lib.rs:44:21
[INFO] [stderr]    |
[INFO] [stderr] 44 |                     tmp[i] = TicTacToe::X;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     result.push(tmp);
[INFO] [stderr]    |                                 ^^^ expected struct `GameState`, found `&GameState`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[TicTacToe; 9]` is not an iterator
[INFO] [stderr]   --> src/lib.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |             for i in self.board {
[INFO] [stderr]    |                      ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `[TicTacToe; 9]`
[INFO] [stderr]    = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&GameState`
[INFO] [stderr]   --> src/lib.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     tmp[i] = TicTacToe::O;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:45:33
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     result.push(tmp);
[INFO] [stderr]    |                                 ^^^ expected struct `GameState`, found `&GameState`
[INFO] [stderr] 
[INFO] [stderr] error[E0277]: `[TicTacToe; 9]` is not an iterator
[INFO] [stderr]   --> src/lib.rs:49:22
[INFO] [stderr]    |
[INFO] [stderr] 49 |             for i in self.board {
[INFO] [stderr]    |                      ^^^^^^^^^^ borrow the array with `&` or call `.iter()` on it to iterate over it
[INFO] [stderr]    |
[INFO] [stderr]    = help: the trait `std::iter::Iterator` is not implemented for `[TicTacToe; 9]`
[INFO] [stderr]    = note: arrays are not iterators, but slices like the following are: `&[1, 2, 3]`
[INFO] [stderr]    = note: required by `std::iter::IntoIterator::into_iter`
[INFO] [stderr] 
[INFO] [stderr] error[E0608]: cannot index into a value of type `&GameState`
[INFO] [stderr]   --> src/lib.rs:52:21
[INFO] [stderr]    |
[INFO] [stderr] 52 |                     tmp[i] = TicTacToe::O;
[INFO] [stderr]    |                     ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     result.push(tmp);
[INFO] [stderr]    |                                 ^^^ expected struct `GameState`, found `&GameState`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0608.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/lib.rs:53:33
[INFO] [stderr]    |
[INFO] [stderr] 53 |                     result.push(tmp);
[INFO] [stderr]    |                                 ^^^ expected struct `GameState`, found `&GameState`
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `tictactoe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: aborting due to 11 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0277, E0308, E0608.
[INFO] [stderr] For more information about an error, try `rustc --explain E0277`.
[INFO] [stderr] error: could not compile `tictactoe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6674107cd088ade7de50f2d72df9e6aa839e9ad1649fbf3f8a90e6513d5642ad"`
[INFO] running `"docker" "rm" "-f" "6674107cd088ade7de50f2d72df9e6aa839e9ad1649fbf3f8a90e6513d5642ad"`
[INFO] [stdout] 6674107cd088ade7de50f2d72df9e6aa839e9ad1649fbf3f8a90e6513d5642ad