[INFO] cloning repository https://github.com/Lenard-0/tic_tac_toe_neural_net
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Lenard-0/tic_tac_toe_neural_net" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenard-0%2Ftic_tac_toe_neural_net", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenard-0%2Ftic_tac_toe_neural_net'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5d565f75f9e40a4276a32e29f560b75e9142828c
[INFO] testing Lenard-0/tic_tac_toe_neural_net against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FLenard-0%2Ftic_tac_toe_neural_net" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Lenard-0/tic_tac_toe_neural_net
[INFO] finished tweaking git repo https://github.com/Lenard-0/tic_tac_toe_neural_net
[INFO] tweaked toml for git repo https://github.com/Lenard-0/tic_tac_toe_neural_net written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Lenard-0/tic_tac_toe_neural_net on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Lenard-0/tic_tac_toe_neural_net 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d6b05c6ec69005028c8f7bf1aba0bf73d97dff46336c631544ec7fc658f51901
[INFO] running `Command { std: "docker" "start" "-a" "d6b05c6ec69005028c8f7bf1aba0bf73d97dff46336c631544ec7fc658f51901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d6b05c6ec69005028c8f7bf1aba0bf73d97dff46336c631544ec7fc658f51901", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6b05c6ec69005028c8f7bf1aba0bf73d97dff46336c631544ec7fc658f51901", kill_on_drop: false }`
[INFO] [stdout] d6b05c6ec69005028c8f7bf1aba0bf73d97dff46336c631544ec7fc658f51901
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 051c3ecccb7c171020ba02a5213aa6a32cae0c61a42d9d7a67779679beae54eb
[INFO] running `Command { std: "docker" "start" "-a" "051c3ecccb7c171020ba02a5213aa6a32cae0c61a42d9d7a67779679beae54eb", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.147
[INFO] [stderr]    Compiling getrandom v0.2.10
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling tic_tac_toe_neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ai_functionality::train::train`
[INFO] [stdout]  --> src/main.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use ai_functionality::train::train;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `File`, `Write`, `self`, and `thread`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, fs::{self, File}, io::{Write, self}};
[INFO] [stdout]   |           ^^^^^^       ^^^^  ^^^^        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/ai_functionality/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ai_functionality/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/ai_functionality/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/ai_functionality/practise.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ai_functionality/practise.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `seq::SliceRandom`
[INFO] [stdout]  --> src/ai_functionality/practise.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{seq::SliceRandom, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_interface::print_board`
[INFO] [stdout]   --> src/ai_functionality/practise.rs:10:126
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...es, make_move, determine_outcome, Outcome, Board}, game_interface::print_board};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ai_functionality/train.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `path::Path`, `thread`, and `time::Duration`
[INFO] [stdout]  --> src/ai_functionality/disk_interface.rs:1:71
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, sync::{Arc, Mutex}, fs::{self, File}, path::Path, io::Write, thread, time::Duration};
[INFO] [stdout]   |                                                                       ^^^^^^^^^^             ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ai_functionality/practise.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `move_count` is assigned to, but never used
[INFO] [stdout]   --> src/ai_functionality/practise.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut move_count = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_move_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/ai_functionality/practise.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `move_count` is never read
[INFO] [stdout]   --> src/ai_functionality/practise.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         move_count += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `neurons`
[INFO] [stdout]    --> src/ai_functionality/mod.rs:109:53
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn upper_confidence_value(&self, brain: &Brain, neurons: &MutexGuard<'_, HashMap<String, Arc<Mutex<Neuron>>>>) -> f64 {
[INFO] [stdout]     |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neurons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `potential` is never used
[INFO] [stdout]    --> src/ai_functionality/mod.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout]  70 | impl Neuron {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn potential(&self) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.32s
[INFO] running `Command { std: "docker" "inspect" "051c3ecccb7c171020ba02a5213aa6a32cae0c61a42d9d7a67779679beae54eb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "051c3ecccb7c171020ba02a5213aa6a32cae0c61a42d9d7a67779679beae54eb", kill_on_drop: false }`
[INFO] [stdout] 051c3ecccb7c171020ba02a5213aa6a32cae0c61a42d9d7a67779679beae54eb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5184a2bb365738d4baae1c660c22a188445d58dee23e4edec6a8df0565f77126
[INFO] running `Command { std: "docker" "start" "-a" "5184a2bb365738d4baae1c660c22a188445d58dee23e4edec6a8df0565f77126", kill_on_drop: false }`
[INFO] [stderr]    Compiling tic_tac_toe_neural_net v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `File`, `Write`, `self`, and `thread`
[INFO] [stdout]  --> src/main.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::{thread, fs::{self, File}, io::{Write, self}};
[INFO] [stdout]   |           ^^^^^^       ^^^^  ^^^^        ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/main.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/ai_functionality/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ai_functionality/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> src/ai_functionality/mod.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread`
[INFO] [stdout]  --> src/ai_functionality/practise.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::thread;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ai_functionality/practise.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Rng` and `seq::SliceRandom`
[INFO] [stdout]  --> src/ai_functionality/practise.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | use rand::{seq::SliceRandom, Rng};
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `game_interface::print_board`
[INFO] [stdout]   --> src/ai_functionality/practise.rs:10:126
[INFO] [stdout]    |
[INFO] [stdout] 10 | ...es, make_move, determine_outcome, Outcome, Board}, game_interface::print_board};
[INFO] [stdout]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::time::Duration`
[INFO] [stdout]  --> src/ai_functionality/train.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::time::Duration;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `path::Path`, `thread`, and `time::Duration`
[INFO] [stdout]  --> src/ai_functionality/disk_interface.rs:1:71
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, sync::{Arc, Mutex}, fs::{self, File}, path::Path, io::Write, thread, time::Duration};
[INFO] [stdout]   |                                                                       ^^^^^^^^^^             ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/ai_functionality/practise.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `move_count` is assigned to, but never used
[INFO] [stdout]   --> src/ai_functionality/practise.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let mut move_count = 0;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: consider using `_move_count` instead
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rng`
[INFO] [stdout]   --> src/ai_functionality/practise.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let mut rng = rand::thread_rng();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `move_count` is never read
[INFO] [stdout]   --> src/ai_functionality/practise.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         move_count += 1;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `neurons`
[INFO] [stdout]    --> src/ai_functionality/mod.rs:109:53
[INFO] [stdout]     |
[INFO] [stdout] 109 |     fn upper_confidence_value(&self, brain: &Brain, neurons: &MutexGuard<'_, HashMap<String, Arc<Mutex<Neuron>>>>) -> f64 {
[INFO] [stdout]     |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neurons`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `potential` is never used
[INFO] [stdout]    --> src/ai_functionality/mod.rs:138:8
[INFO] [stdout]     |
[INFO] [stdout]  70 | impl Neuron {
[INFO] [stdout]     | ----------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 138 |     fn potential(&self) -> f64 {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "5184a2bb365738d4baae1c660c22a188445d58dee23e4edec6a8df0565f77126", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5184a2bb365738d4baae1c660c22a188445d58dee23e4edec6a8df0565f77126", kill_on_drop: false }`
[INFO] [stdout] 5184a2bb365738d4baae1c660c22a188445d58dee23e4edec6a8df0565f77126
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da77afe99c4db48c8592667d8dca669a2f9aa8fb3f81611831980bd8ac01a94c
[INFO] running `Command { std: "docker" "start" "-a" "da77afe99c4db48c8592667d8dca669a2f9aa8fb3f81611831980bd8ac01a94c", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `File`, `Write`, `self`, and `thread`
[INFO] [stderr]  --> src/main.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::{thread, fs::{self, File}, io::{Write, self}};
[INFO] [stderr]   |           ^^^^^^       ^^^^  ^^^^        ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/main.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/ai_functionality/mod.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/ai_functionality/mod.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> src/ai_functionality/mod.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::thread`
[INFO] [stderr]  --> src/ai_functionality/practise.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use std::thread;
[INFO] [stderr]   |     ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/ai_functionality/practise.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Rng` and `seq::SliceRandom`
[INFO] [stderr]  --> src/ai_functionality/practise.rs:8:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | use rand::{seq::SliceRandom, Rng};
[INFO] [stderr]   |            ^^^^^^^^^^^^^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `game_interface::print_board`
[INFO] [stderr]   --> src/ai_functionality/practise.rs:10:126
[INFO] [stderr]    |
[INFO] [stderr] 10 | ...es, make_move, determine_outcome, Outcome, Board}, game_interface::print_board};
[INFO] [stderr]    |                                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::time::Duration`
[INFO] [stderr]  --> src/ai_functionality/train.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::time::Duration;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `path::Path`, `thread`, and `time::Duration`
[INFO] [stderr]  --> src/ai_functionality/disk_interface.rs:1:71
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, sync::{Arc, Mutex}, fs::{self, File}, path::Path, io::Write, thread, time::Duration};
[INFO] [stderr]   |                                                                       ^^^^^^^^^^             ^^^^^^  ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/ai_functionality/practise.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |             ----^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable `move_count` is assigned to, but never used
[INFO] [stderr]   --> src/ai_functionality/practise.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 18 |     let mut move_count = 0;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: consider using `_move_count` instead
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `rng`
[INFO] [stderr]   --> src/ai_functionality/practise.rs:20:13
[INFO] [stderr]    |
[INFO] [stderr] 20 |         let mut rng = rand::thread_rng();
[INFO] [stderr]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_rng`
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `move_count` is never read
[INFO] [stderr]   --> src/ai_functionality/practise.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         move_count += 1;
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = help: maybe it is overwritten before being read?
[INFO] [stderr]    = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `neurons`
[INFO] [stderr]    --> src/ai_functionality/mod.rs:109:53
[INFO] [stderr]     |
[INFO] [stderr] 109 |     fn upper_confidence_value(&self, brain: &Brain, neurons: &MutexGuard<'_, HashMap<String, Arc<Mutex<Neuron>>>>) -> f64 {
[INFO] [stderr]     |                                                     ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_neurons`
[INFO] [stderr] 
[INFO] [stderr] warning: method `potential` is never used
[INFO] [stderr]    --> src/ai_functionality/mod.rs:138:8
[INFO] [stderr]     |
[INFO] [stderr]  70 | impl Neuron {
[INFO] [stderr]     | ----------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 138 |     fn potential(&self) -> f64 {
[INFO] [stderr]     |        ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tic_tac_toe_neural_net` (bin "tic_tac_toe_neural_net" test) generated 17 warnings (run `cargo fix --bin "tic_tac_toe_neural_net" -p tic_tac_toe_neural_net --tests` to apply 14 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/tic_tac_toe_neural_net-4c49f4d34f8e10ec)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test ai_functionality::key::test_key_to_pos ... ok
[INFO] [stdout] test ai_functionality::key::test_pos_to_key ... ok
[INFO] [stdout] test game_functionality::test_possible_moves ... ok
[INFO] [stdout] test train_ai ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- train_ai stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'train_ai' (27) panicked at src/ai_functionality/disk_interface.rs:16:50:
[INFO] [stdout] called `Result::unwrap()` on an `Err` value: Os { code: 2, kind: NotFound, message: "No such file or directory" }
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x577dcd6b9412 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::libunwind::trace
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x577dcd6b9412 - std[3f03f8b59f91bef1]::backtrace_rs::backtrace::trace_unsynchronized::<std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt::{closure#1}>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x577dcd6b9412 - std[3f03f8b59f91bef1]::sys::backtrace::_print_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:74:9
[INFO] [stdout]    3:     0x577dcd6b9412 - <<std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print::DisplayBacktrace as core[585f66e14d78f9ba]::fmt::Display>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:44:26
[INFO] [stdout]    4:     0x577dcd6ce60a - <core[585f66e14d78f9ba]::fmt::rt::Argument>::fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/fmt/rt.rs:152:76
[INFO] [stdout]    5:     0x577dcd6ce60a - core[585f66e14d78f9ba]::fmt::write
[INFO] [stdout]    6:     0x577dcd6be466 - std[3f03f8b59f91bef1]::io::default_write_fmt::<alloc[15e7b27aba85d2e2]::vec::Vec<u8>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x577dcd6be466 - <alloc[15e7b27aba85d2e2]::vec::Vec<u8> as std[3f03f8b59f91bef1]::io::Write>::write_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/io/mod.rs:1994:13
[INFO] [stdout]    8:     0x577dcd6973df - <std[3f03f8b59f91bef1]::sys::backtrace::BacktraceLock>::print
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:47:9
[INFO] [stdout]    9:     0x577dcd6973df - std[3f03f8b59f91bef1]::panicking::default_hook::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:292:27
[INFO] [stdout]   10:     0x577dcd6b11d9 - std[3f03f8b59f91bef1]::panicking::default_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:316:9
[INFO] [stdout]   11:     0x577dcd6445de - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   12:     0x577dcd6445de - test[30224e0cb089acd2]::test_main_with_exit_callback::<test[30224e0cb089acd2]::test_main::{closure#0}>::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x577dcd6b1392 - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn for<'a, 'b> core[585f66e14d78f9ba]::ops::function::Fn<(&'a std[3f03f8b59f91bef1]::panic::PanicHookInfo<'b>,), Output = ()> + core[585f66e14d78f9ba]::marker::Sync + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::Fn<(&std[3f03f8b59f91bef1]::panic::PanicHookInfo,)>>::call
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2220:9
[INFO] [stdout]   14:     0x577dcd6b1392 - std[3f03f8b59f91bef1]::panicking::panic_with_hook
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:833:13
[INFO] [stdout]   15:     0x577dcd697498 - std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:698:13
[INFO] [stdout]   16:     0x577dcd68c4f9 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_end_short_backtrace::<std[3f03f8b59f91bef1]::panicking::panic_handler::{closure#0}, !>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:182:18
[INFO] [stdout]   17:     0x577dcd6982ed - __rustc[caa99d26c7bae192]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:689:5
[INFO] [stdout]   18:     0x577dcd6ced1c - core[585f66e14d78f9ba]::panicking::panic_fmt
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x577dcd6cea92 - core[585f66e14d78f9ba]::result::unwrap_failed
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1867:5
[INFO] [stdout]   20:     0x577dcd6323a9 - <core[585f66e14d78f9ba]::result::Result<std[3f03f8b59f91bef1]::fs::ReadDir, std[3f03f8b59f91bef1]::io::error::Error>>::unwrap
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/result.rs:1233:23
[INFO] [stdout]   21:     0x577dcd6323a9 - tic_tac_toe_neural_net[201b296e23303feb]::ai_functionality::disk_interface::get_existing_neurons
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ai_functionality/disk_interface.rs:16:50
[INFO] [stdout]   22:     0x577dcd6252e0 - <tic_tac_toe_neural_net[201b296e23303feb]::ai_functionality::Brain>::manifest
[INFO] [stdout]                                at /opt/rustwide/workdir/src/ai_functionality/mod.rs:28:42
[INFO] [stdout]   23:     0x577dcd636231 - tic_tac_toe_neural_net[201b296e23303feb]::train_ai
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:37:11
[INFO] [stdout]   24:     0x577dcd6361b7 - tic_tac_toe_neural_net[201b296e23303feb]::train_ai::{closure#0}
[INFO] [stdout]                                at /opt/rustwide/workdir/src/main.rs:36:14
[INFO] [stdout]   25:     0x577dcd634bc6 - <tic_tac_toe_neural_net[201b296e23303feb]::train_ai::{closure#0} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   26:     0x577dcd63898b - <fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   27:     0x577dcd63898b - test[30224e0cb089acd2]::__rust_begin_short_backtrace::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, fn() -> core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:663:18
[INFO] [stdout]   28:     0x577dcd6451ea - test[30224e0cb089acd2]::run_test_in_process::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:74
[INFO] [stdout]   29:     0x577dcd6451ea - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   30:     0x577dcd6451ea - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   31:     0x577dcd6451ea - std[3f03f8b59f91bef1]::panicking::catch_unwind::<core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>, core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   32:     0x577dcd6451ea - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<test[30224e0cb089acd2]::run_test_in_process::{closure#0}>, core[585f66e14d78f9ba]::result::Result<(), alloc[15e7b27aba85d2e2]::string::String>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   33:     0x577dcd6451ea - test[30224e0cb089acd2]::run_test_in_process
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:686:27
[INFO] [stdout]   34:     0x577dcd6451ea - test[30224e0cb089acd2]::run_test::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:607:43
[INFO] [stdout]   35:     0x577dcd63f6b4 - test[30224e0cb089acd2]::run_test::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/test/src/lib.rs:637:41
[INFO] [stdout]   36:     0x577dcd63f6b4 - std[3f03f8b59f91bef1]::sys::backtrace::__rust_begin_short_backtrace::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/backtrace.rs:166:18
[INFO] [stdout]   37:     0x577dcd647ce2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:91:13
[INFO] [stdout]   38:     0x577dcd647ce2 - <core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   39:     0x577dcd647ce2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::do_call::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:581:40
[INFO] [stdout]   40:     0x577dcd647ce2 - std[3f03f8b59f91bef1]::panicking::catch_unwind::<(), core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panicking.rs:544:19
[INFO] [stdout]   41:     0x577dcd647ce2 - std[3f03f8b59f91bef1]::panic::catch_unwind::<core[585f66e14d78f9ba]::panic::unwind_safe::AssertUnwindSafe<std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}::{closure#0}>, ()>
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/panic.rs:359:14
[INFO] [stdout]   42:     0x577dcd647ce2 - std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked::<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/thread/lifecycle.rs:89:26
[INFO] [stdout]   43:     0x577dcd647ce2 - <std[3f03f8b59f91bef1]::thread::lifecycle::spawn_unchecked<test[30224e0cb089acd2]::run_test::{closure#1}, ()>::{closure#1} as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once::{shim:vtable#0}
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   44:     0x577dcd6b891f - <alloc[15e7b27aba85d2e2]::boxed::Box<dyn core[585f66e14d78f9ba]::ops::function::FnOnce<(), Output = ()> + core[585f66e14d78f9ba]::marker::Send> as core[585f66e14d78f9ba]::ops::function::FnOnce<()>>::call_once
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/alloc/src/boxed.rs:2206:9
[INFO] [stdout]   45:     0x577dcd6b891f - <std[3f03f8b59f91bef1]::sys::thread::unix::Thread>::new::thread_start
[INFO] [stdout]                                at /rustc/db823df02fd0c2cf67b43025ac3fef3f2d743245/library/std/src/sys/thread/unix.rs:119:17
[INFO] [stdout]   46:     0x7a01cdd24aa4 - <unknown>
[INFO] [stdout]   47:     0x7a01cddb1a64 - clone
[INFO] [stdout]   48:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     train_ai
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 3 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.02s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin tic_tac_toe_neural_net`
[INFO] running `Command { std: "docker" "inspect" "da77afe99c4db48c8592667d8dca669a2f9aa8fb3f81611831980bd8ac01a94c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da77afe99c4db48c8592667d8dca669a2f9aa8fb3f81611831980bd8ac01a94c", kill_on_drop: false }`
[INFO] [stdout] da77afe99c4db48c8592667d8dca669a2f9aa8fb3f81611831980bd8ac01a94c
