[INFO] cloning repository https://github.com/GitNealian/chess_ai
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/GitNealian/chess_ai" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGitNealian%2Fchess_ai", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGitNealian%2Fchess_ai'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1dcb2bd1f5fa6176a425a850b303418b05884f5d
[INFO] building GitNealian/chess_ai against master#ad211ced81509462cdfe4c29ed10f97279a0acae for pr-135216
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FGitNealian%2Fchess_ai" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/GitNealian/chess_ai on toolchain ad211ced81509462cdfe4c29ed10f97279a0acae
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/GitNealian/chess_ai
[INFO] finished tweaking git repo https://github.com/GitNealian/chess_ai
[INFO] tweaked toml for git repo https://github.com/GitNealian/chess_ai written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/GitNealian/chess_ai 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" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d153b79d7c7225e06cd0f6204a1b770ac5e3417621b00a186003a8847cffd001
[INFO] running `Command { std: "docker" "start" "-a" "d153b79d7c7225e06cd0f6204a1b770ac5e3417621b00a186003a8847cffd001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d153b79d7c7225e06cd0f6204a1b770ac5e3417621b00a186003a8847cffd001", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d153b79d7c7225e06cd0f6204a1b770ac5e3417621b00a186003a8847cffd001", kill_on_drop: false }`
[INFO] [stdout] d153b79d7c7225e06cd0f6204a1b770ac5e3417621b00a186003a8847cffd001
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+ad211ced81509462cdfe4c29ed10f97279a0acae" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 02cb7b32bf131f4c26352d9b34086ead570fd1d616120b9e45db1c9e45403877
[INFO] running `Command { std: "docker" "start" "-a" "02cb7b32bf131f4c26352d9b34086ead570fd1d616120b9e45db1c9e45403877", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling getrandom v0.2.4
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.4
[INFO] [stderr]    Compiling chess_ai v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> src/board.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, vec};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `zobrist::Zobristable`
[INFO] [stdout]  --> src/board.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     zobrist::Zobristable,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Board`, `ChessType`, and `Position`
[INFO] [stdout]  --> src/zobrist.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::board::{Board, Chess, ChessType, Move, Position, BOARD_HEIGHT, BOARD_WIDTH};
[INFO] [stdout]   |                    ^^^^^         ^^^^^^^^^        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `getrandom`
[INFO] [stdout]   --> src/engine.rs:59:13
[INFO] [stdout]    |
[INFO] [stdout] 59 |             getrandom::getrandom(&mut buf).unwrap();
[INFO] [stdout]    |             ^^^^^^^^^ use of undeclared crate or module `getrandom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0433]: failed to resolve: use of undeclared crate or module `getrandom`
[INFO] [stdout]   --> src/zobrist.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     getrandom::getrandom(&mut buf).unwrap();
[INFO] [stdout]    |     ^^^^^^^^^ use of undeclared crate or module `getrandom`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `bm` is assigned to, but never used
[INFO] [stdout]    --> src/board.rs:993:21
[INFO] [stdout]     |
[INFO] [stdout] 993 |             let mut bm = bmt;
[INFO] [stdout]     |                     ^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: consider using `_bm` instead
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `bm` is never read
[INFO] [stdout]     --> src/board.rs:1004:17
[INFO] [stdout]      |
[INFO] [stdout] 1004 |                 bm = bmt;
[INFO] [stdout]      |                 ^^
[INFO] [stdout]      |
[INFO] [stdout]      = help: maybe it is overwritten before being read?
[INFO] [stdout]      = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0433`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess_ai` (bin "chess_ai") due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "02cb7b32bf131f4c26352d9b34086ead570fd1d616120b9e45db1c9e45403877", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "02cb7b32bf131f4c26352d9b34086ead570fd1d616120b9e45db1c9e45403877", kill_on_drop: false }`
[INFO] [stdout] 02cb7b32bf131f4c26352d9b34086ead570fd1d616120b9e45db1c9e45403877
