[INFO] cloning repository https://github.com/NivenT/Tic-Tac-Toe
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/NivenT/Tic-Tac-Toe" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivenT%2FTic-Tac-Toe"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivenT%2FTic-Tac-Toe'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 2fc505c14dc072885bb0db33f288fac1f05905a3
[INFO] checking NivenT/Tic-Tac-Toe against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FNivenT%2FTic-Tac-Toe" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/NivenT/Tic-Tac-Toe on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/NivenT/Tic-Tac-Toe
[INFO] finished tweaking git repo https://github.com/NivenT/Tic-Tac-Toe
[INFO] tweaked toml for git repo https://github.com/NivenT/Tic-Tac-Toe written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/NivenT/Tic-Tac-Toe already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] error: the lock file /workspace/builds/worker-0/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] the lockfile is outdated, regenerating it
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "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] 1ca1774d409d921aee20e5bbfa21944ca262abb04ae2be4373e5350af830a59f
[INFO] running `"docker" "start" "-a" "1ca1774d409d921aee20e5bbfa21944ca262abb04ae2be4373e5350af830a59f"`
[INFO] [stderr]     Checking Tic-Tac-Toe v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `self::rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::rand::Rng`
[INFO] [stderr]  --> src/agent.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for _i in (0..num_episodes) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::sleep_ms;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::rand::Rng`
[INFO] [stderr]  --> src/main.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self::rand::Rng`
[INFO] [stderr]  --> src/agent.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use self::rand::Rng;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unnecessary parentheses around `for` head expression
[INFO] [stderr]   --> src/main.rs:11:12
[INFO] [stderr]    |
[INFO] [stderr] 11 |     for _i in (0..num_episodes) {
[INFO] [stderr]    |               ^^^^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread::sleep_ms;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::thread::sleep_ms': replaced by `std::thread::sleep`
[INFO] [stderr]   --> src/main.rs:22:2
[INFO] [stderr]    |
[INFO] [stderr] 22 |     sleep_ms(1000);
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let m = *rand::thread_rng().choose(&b.get_valid_moves()).unwrap();
[INFO] [stderr]    |                                         ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/agent.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |         *rand::thread_rng().choose(&best_moves).unwrap()
[INFO] [stderr]    |                             ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/main.rs:14:32
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let m = *rand::thread_rng().choose(&b.get_valid_moves()).unwrap();
[INFO] [stderr]    |                                         ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `Tic-Tac-Toe`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0599]: no method named `choose` found for type `rand::prelude::ThreadRng` in the current scope
[INFO] [stderr]   --> src/agent.rs:65:23
[INFO] [stderr]    |
[INFO] [stderr] 65 |         *rand::thread_rng().choose(&best_moves).unwrap()
[INFO] [stderr]    |                             ^^^^^^ method not found in `rand::prelude::ThreadRng`
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 2 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0599`.
[INFO] [stderr] error: could not compile `Tic-Tac-Toe`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "1ca1774d409d921aee20e5bbfa21944ca262abb04ae2be4373e5350af830a59f"`
[INFO] running `"docker" "rm" "-f" "1ca1774d409d921aee20e5bbfa21944ca262abb04ae2be4373e5350af830a59f"`
[INFO] [stdout] 1ca1774d409d921aee20e5bbfa21944ca262abb04ae2be4373e5350af830a59f