[INFO] updating cached repository https://github.com/davetttt/ttt_rust
[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] da0b52d21262d7f8c8fc70ea1f5b02a978d43af2
[INFO] checking davetttt/ttt_rust against beta-2019-10-27 for pr-65897
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdavetttt%2Fttt_rust" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/davetttt/ttt_rust on toolchain beta-2019-10-27
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/davetttt/ttt_rust
[INFO] finished tweaking git repo https://github.com/davetttt/ttt_rust
[INFO] tweaked toml for git repo https://github.com/davetttt/ttt_rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/davetttt/ttt_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2019-10-27" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=allow" "-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" "+beta-2019-10-27" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] b263d25a176861129508ca9197cf28b9cbe95ac97e09525c122e448f9c3351ed
[INFO] running `"docker" "start" "-a" "b263d25a176861129508ca9197cf28b9cbe95ac97e09525c122e448f9c3351ed"`
[INFO] [stderr]     Checking ttt_rust v0.0.1 (/opt/rustwide/workdir)
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]  --> src/board.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Board { board:[0us; 9] }
[INFO] [stderr]   |                        ^^^ invalid suffix `us`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error: invalid suffix `us` for integer literal
[INFO] [stderr]  --> src/board.rs:8:24
[INFO] [stderr]   |
[INFO] [stderr] 8 |         Board { board:[0us; 9] }
[INFO] [stderr]   |                        ^^^ invalid suffix `us`
[INFO] [stderr]   |
[INFO] [stderr]   = help: the suffix must be one of the integral types (`u32`, `isize`, etc)
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/io.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/minimax.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |     for index in range(0, scores.len()) {
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/minimax.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |     for index in range(0, scores.len()) {
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0432]: unresolved import `std::io::BufferedReader`
[INFO] [stderr]  --> src/io.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::io::BufferedReader;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^ no `BufferedReader` in `io`
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/minimax.rs:34:18
[INFO] [stderr]    |
[INFO] [stderr] 34 |     for index in range(0, scores.len()) {
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0425]: cannot find function `range` in this scope
[INFO] [stderr]   --> src/minimax.rs:46:18
[INFO] [stderr]    |
[INFO] [stderr] 46 |     for index in range(0, scores.len()) {
[INFO] [stderr]    |                  ^^^^^ not found in this scope
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `is_some` found for type `std::result::Result<_, _>` in the current scope
[INFO] [stderr]   --> src/main.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         if choice.is_some() && [1, 2, 3].contains(&choice.unwrap()) {
[INFO] [stderr]    |                   ^^^^^^^ method not found in `std::result::Result<_, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/player.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let space: Option<usize> = response.trim().parse();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found enum `std::result::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<usize>`
[INFO] [stderr]               found type `std::result::Result<_, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/board.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 | ...                   as_slice());
[INFO] [stderr]    |                       ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/board.rs:47:69
[INFO] [stderr]    |
[INFO] [stderr] 47 |             result.push_str((format!("\n{}", self.render_row(row))).as_slice());
[INFO] [stderr]    |                                                                     ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `ttt_rust`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `is_some` found for type `std::result::Result<_, _>` in the current scope
[INFO] [stderr]   --> src/main.rs:34:19
[INFO] [stderr]    |
[INFO] [stderr] 34 |         if choice.is_some() && [1, 2, 3].contains(&choice.unwrap()) {
[INFO] [stderr]    |                   ^^^^^^^ method not found in `std::result::Result<_, _>`
[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_test.rs:7:46
[INFO] [stderr]   |
[INFO] [stderr] 7 |     assert_eq!("answer", io.prompt(question).as_slice());
[INFO] [stderr]   |                                              ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0308]: mismatched types
[INFO] [stderr]   --> src/player.rs:50:36
[INFO] [stderr]    |
[INFO] [stderr] 50 |         let space: Option<usize> = response.trim().parse();
[INFO] [stderr]    |                                    ^^^^^^^^^^^^^^^^^^^^^^^ expected enum `std::option::Option`, found enum `std::result::Result`
[INFO] [stderr]    |
[INFO] [stderr]    = note: expected type `std::option::Option<usize>`
[INFO] [stderr]               found type `std::result::Result<_, _>`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/board.rs:32:37
[INFO] [stderr]    |
[INFO] [stderr] 32 | ...                   as_slice());
[INFO] [stderr]    |                       ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `as_slice` found for type `std::string::String` in the current scope
[INFO] [stderr]   --> src/board.rs:47:69
[INFO] [stderr]    |
[INFO] [stderr] 47 |             result.push_str((format!("\n{}", self.render_row(row))).as_slice());
[INFO] [stderr]    |                                                                     ^^^^^^^^ method not found in `std::string::String`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 9 previous errors
[INFO] [stderr] 
[INFO] [stderr] Some errors have detailed explanations: E0308, E0425, E0432, E0599.
[INFO] [stderr] For more information about an error, try `rustc --explain E0308`.
[INFO] [stderr] error: could not compile `ttt_rust`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "b263d25a176861129508ca9197cf28b9cbe95ac97e09525c122e448f9c3351ed"`
[INFO] running `"docker" "rm" "-f" "b263d25a176861129508ca9197cf28b9cbe95ac97e09525c122e448f9c3351ed"`
[INFO] [stdout] b263d25a176861129508ca9197cf28b9cbe95ac97e09525c122e448f9c3351ed