[INFO] updating cached repository davetttt/ttt_rust_2
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/davetttt/ttt_rust_2
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/davetttt/ttt_rust_2" "work/ex/beta-1.38-1/sources/1.37.0/gh/davetttt/ttt_rust_2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/davetttt/ttt_rust_2'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/davetttt/ttt_rust_2" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davetttt/ttt_rust_2"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davetttt/ttt_rust_2'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 44ebdbd5f3afa5acc94ccdcac24f0b487ec608b7
[INFO] sha for GitHub repo davetttt/ttt_rust_2: 44ebdbd5f3afa5acc94ccdcac24f0b487ec608b7
[INFO] validating manifest of davetttt/ttt_rust_2 on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of davetttt/ttt_rust_2 on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing davetttt/ttt_rust_2
[INFO] finished frobbing davetttt/ttt_rust_2
[INFO] frobbed toml for davetttt/ttt_rust_2 written to work/ex/beta-1.38-1/sources/1.37.0/gh/davetttt/ttt_rust_2/Cargo.toml
[INFO] started frobbing davetttt/ttt_rust_2
[INFO] finished frobbing davetttt/ttt_rust_2
[INFO] frobbed toml for davetttt/ttt_rust_2 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davetttt/ttt_rust_2/Cargo.toml
[INFO] crate davetttt/ttt_rust_2 already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing davetttt/ttt_rust_2 against beta-2019-08-13 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-7/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/davetttt/ttt_rust_2:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"`
[INFO] [stdout] 6c2911eaa34a4989a4943357e962cee3a656e13d9b65001090a03c11af9f7065
[INFO] running `"docker" "start" "-a" "6c2911eaa34a4989a4943357e962cee3a656e13d9b65001090a03c11af9f7065"`
[INFO] [stderr]    Compiling ttt_rust_2 v0.0.1 (/opt/crater/workdir)
[INFO] [stderr] warning: unknown lint: `unstable`
[INFO] [stderr]  --> src/main.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![allow(unstable)]
[INFO] [stderr]   |          ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unknown_lints)]` on by default
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::num::Float`
[INFO] [stderr]  --> src/board.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::num::Float;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^ no `Float` in `num`
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/io.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error: cannot find derive macro `Show` in this scope
[INFO] [stderr]  --> src/token.rs:1:21
[INFO] [stderr]   |
[INFO] [stderr] 1 | #[derive(PartialEq, Show)] // so that tokens can be compared
[INFO] [stderr]   |                     ^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]  --> src/board.rs:7:14
[INFO] [stderr]   |
[INFO] [stderr] 7 |     for i in range(0, width * width) {
[INFO] [stderr]   |              ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/board.rs:32:25
[INFO] [stderr]    |
[INFO] [stderr] 32 |     let space_numbers = range(0, board.len()).
[INFO] [stderr]    |                         ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/board.rs:42:23
[INFO] [stderr]    |
[INFO] [stderr] 42 |     for row_number in range(0, width) {
[INFO] [stderr]    |                       ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/board.rs:52:26
[INFO] [stderr]    |
[INFO] [stderr] 52 |     for column_number in range(0, width) {
[INFO] [stderr]    |                          ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/board.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     range(0, board.len()).
[INFO] [stderr]    |     ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/io.rs:60:18
[INFO] [stderr]    |
[INFO] [stderr] 60 |         for i in range(0, row.len()) {
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/io.rs:87:27
[INFO] [stderr]    |
[INFO] [stderr] 87 |         for row_number in range(0, rows.len()) {
[INFO] [stderr]    |                           ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/game.rs:6:36
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub fn game_loop(players: &Vec<Box<player::Player>>,
[INFO] [stderr]   |                                    ^^^^^^^^^^^^^^ help: use `dyn`: `dyn player::Player`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/game.rs:24:43
[INFO] [stderr]    |
[INFO] [stderr] 24 | pub fn play_game<I: Io>(players: &Vec<Box<player::Player>>,
[INFO] [stderr]    |                                           ^^^^^^^^^^^^^^ help: use `dyn`: `dyn player::Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/config.rs:5:31
[INFO] [stderr]   |
[INFO] [stderr] 5 | fn human_cpu<'a>() -> Vec<Box<Player + 'a>> {
[INFO] [stderr]   |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Player + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/config.rs:6:30
[INFO] [stderr]   |
[INFO] [stderr] 6 |     let mut players: Vec<Box<Player>> = Vec::new();
[INFO] [stderr]   |                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:12:31
[INFO] [stderr]    |
[INFO] [stderr] 12 | fn cpu_human<'a>() -> Vec<Box<Player + 'a>> {
[INFO] [stderr]    |                               ^^^^^^^^^^^ help: use `dyn`: `dyn Player + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:13:30
[INFO] [stderr]    |
[INFO] [stderr] 13 |     let mut players: Vec<Box<Player>> = Vec::new();
[INFO] [stderr]    |                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:19:33
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn human_human<'a>() -> Vec<Box<Player + 'a>> {
[INFO] [stderr]    |                                 ^^^^^^^^^^^ help: use `dyn`: `dyn Player + 'a`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:20:30
[INFO] [stderr]    |
[INFO] [stderr] 20 |     let mut players: Vec<Box<Player>> = Vec::new();
[INFO] [stderr]    |                              ^^^^^^ help: use `dyn`: `dyn Player`
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/config.rs:26:56
[INFO] [stderr]    |
[INFO] [stderr] 26 | pub fn configure_players<'a, I: Io>(io: &I) -> Vec<Box<Player + 'a>> {
[INFO] [stderr]    |                                                        ^^^^^^^^^^^ help: use `dyn`: `dyn Player + 'a`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/io.rs:62:69
[INFO] [stderr]    |
[INFO] [stderr] 62 |             result.push_str(self.format_space(row[i], space_number).as_slice());
[INFO] [stderr]    |                                                                     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&&str` in the current scope
[INFO] [stderr]   --> src/io.rs:77:44
[INFO] [stderr]    |
[INFO] [stderr] 77 |                   position(|option| option.as_slice() == answer.trim()) {
[INFO] [stderr]    |                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/io.rs:90:59
[INFO] [stderr]    |
[INFO] [stderr] 90 |                                 row_number * board_width).as_slice());
[INFO] [stderr]    |                                                           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/io.rs:92:29
[INFO] [stderr]    |
[INFO] [stderr] 92 |         print!("{}", result.as_slice())
[INFO] [stderr]    |                             ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `&std::string::String` in the current scope
[INFO] [stderr]   --> src/player.rs:31:60
[INFO] [stderr]    |
[INFO] [stderr] 31 |         let options = empty_space_strings.iter().map(|s| s.as_slice()).collect();
[INFO] [stderr]    |                                                            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for type `std::vec::Vec<std::vec::Vec<token::Token>>` in the current scope
[INFO] [stderr]   --> src/rules.rs:14:11
[INFO] [stderr]    |
[INFO] [stderr] 14 |     lines.push_all(board::get_columns(board).as_slice());
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `push_all` found for type `std::vec::Vec<std::vec::Vec<token::Token>>` in the current scope
[INFO] [stderr]   --> src/rules.rs:15:11
[INFO] [stderr]    |
[INFO] [stderr] 15 |     lines.push_all(board::get_diagonals(board).as_slice());
[INFO] [stderr]    |           ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0593]: closure is expected to take 2 arguments, but it takes 1 argument
[INFO] [stderr]   --> src/minimax.rs:37:29
[INFO] [stderr]    |
[INFO] [stderr] 37 |                             max_by(|tuple| tuple.1).unwrap(),
[INFO] [stderr]    |                             ^^^^^^ ------- takes 1 argument
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             expected closure that takes 2 arguments
[INFO] [stderr] 
[INFO] [stderr] error[E0593]: closure is expected to take 2 arguments, but it takes 1 argument
[INFO] [stderr]   --> src/minimax.rs:39:29
[INFO] [stderr]    |
[INFO] [stderr] 39 |                             min_by(|tuple| tuple.1).unwrap(),
[INFO] [stderr]    |                             ^^^^^^ ------- takes 1 argument
[INFO] [stderr]    |                             |
[INFO] [stderr]    |                             expected closure that takes 2 arguments
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 19 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0425, E0432, E0593, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0425`.
[INFO] [stderr] error: Could not compile `ttt_rust_2`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "6c2911eaa34a4989a4943357e962cee3a656e13d9b65001090a03c11af9f7065"`
[INFO] running `"docker" "rm" "-f" "6c2911eaa34a4989a4943357e962cee3a656e13d9b65001090a03c11af9f7065"`
[INFO] [stdout] 6c2911eaa34a4989a4943357e962cee3a656e13d9b65001090a03c11af9f7065