[INFO] cloning repository https://github.com/tomtien/chess-engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tomtien/chess-engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomtien%2Fchess-engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomtien%2Fchess-engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 127ac629f8033433ad59cec8aca2b57f7d246ae6
[INFO] testing tomtien/chess-engine against master#1f7f8ea0721a3b1eb73e6c6d25cccb371434b320 for pr-154065-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftomtien%2Fchess-engine" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tomtien/chess-engine
[INFO] finished tweaking git repo https://github.com/tomtien/chess-engine
[INFO] tweaked toml for git repo https://github.com/tomtien/chess-engine written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tomtien/chess-engine on toolchain 1f7f8ea0721a3b1eb73e6c6d25cccb371434b320
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tomtien/chess-engine 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" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cac2cd1d54af9a8ed2393af88726a68fdb8a98c67bab71b1014317ec09c800b9
[INFO] running `Command { std: "docker" "start" "-a" "cac2cd1d54af9a8ed2393af88726a68fdb8a98c67bab71b1014317ec09c800b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cac2cd1d54af9a8ed2393af88726a68fdb8a98c67bab71b1014317ec09c800b9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cac2cd1d54af9a8ed2393af88726a68fdb8a98c67bab71b1014317ec09c800b9", kill_on_drop: false }`
[INFO] [stdout] cac2cd1d54af9a8ed2393af88726a68fdb8a98c67bab71b1014317ec09c800b9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7279bde26b72c51bb0245c52d5a08d9c384ac9bddcb37bcffa10175752beab7b
[INFO] running `Command { std: "docker" "start" "-a" "7279bde26b72c51bb0245c52d5a08d9c384ac9bddcb37bcffa10175752beab7b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display` and `self`
[INFO] [stdout]  --> src/chess/chess_color.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, Display};
[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: `super::InvalidNotationError`
[INFO] [stdout]  --> src/chess/chess_color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::InvalidNotationError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHESS_COLORS` is never used
[INFO] [stdout]   --> src/chess/mod.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const CHESS_COLORS: usize = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chess/chess_board.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl ChessBoard {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_idx` is never used
[INFO] [stdout]   --> src/chess/chess_color.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ChessColor {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 15 |     #[inline(always)]
[INFO] [stdout] 16 |     pub fn get_idx(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "7279bde26b72c51bb0245c52d5a08d9c384ac9bddcb37bcffa10175752beab7b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7279bde26b72c51bb0245c52d5a08d9c384ac9bddcb37bcffa10175752beab7b", kill_on_drop: false }`
[INFO] [stdout] 7279bde26b72c51bb0245c52d5a08d9c384ac9bddcb37bcffa10175752beab7b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 73f9dd1c146db1e2534a1b3e5282d2b7e9405aba4c9bae38e871c863bf388a1e
[INFO] running `Command { std: "docker" "start" "-a" "73f9dd1c146db1e2534a1b3e5282d2b7e9405aba4c9bae38e871c863bf388a1e", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess-engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `Display` and `self`
[INFO] [stdout]  --> src/chess/chess_color.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt::{self, Display};
[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: `super::InvalidNotationError`
[INFO] [stdout]  --> src/chess/chess_color.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::InvalidNotationError;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `CHESS_COLORS` is never used
[INFO] [stdout]   --> src/chess/mod.rs:12:11
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub const CHESS_COLORS: usize = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/chess/chess_board.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 56 | impl ChessBoard {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 57 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_idx` is never used
[INFO] [stdout]   --> src/chess/chess_color.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 14 | impl ChessColor {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 15 |     #[inline(always)]
[INFO] [stdout] 16 |     pub fn get_idx(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.52s
[INFO] running `Command { std: "docker" "inspect" "73f9dd1c146db1e2534a1b3e5282d2b7e9405aba4c9bae38e871c863bf388a1e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "73f9dd1c146db1e2534a1b3e5282d2b7e9405aba4c9bae38e871c863bf388a1e", kill_on_drop: false }`
[INFO] [stdout] 73f9dd1c146db1e2534a1b3e5282d2b7e9405aba4c9bae38e871c863bf388a1e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1f7f8ea0721a3b1eb73e6c6d25cccb371434b320" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f483d24493b460adb0a8e441384f5068d4d57cbaf2e30e17bb7424878100f5b0
[INFO] running `Command { std: "docker" "start" "-a" "f483d24493b460adb0a8e441384f5068d4d57cbaf2e30e17bb7424878100f5b0", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `Display` and `self`
[INFO] [stderr]  --> src/chess/chess_color.rs:1:16
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fmt::{self, Display};
[INFO] [stderr]   |                ^^^^  ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::InvalidNotationError`
[INFO] [stderr]  --> src/chess/chess_color.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::InvalidNotationError;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: constant `CHESS_COLORS` is never used
[INFO] [stderr]   --> src/chess/mod.rs:12:11
[INFO] [stderr]    |
[INFO] [stderr] 12 | pub const CHESS_COLORS: usize = 2;
[INFO] [stderr]    |           ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/chess/chess_board.rs:57:12
[INFO] [stderr]    |
[INFO] [stderr] 56 | impl ChessBoard {
[INFO] [stderr]    | --------------- associated function in this implementation
[INFO] [stderr] 57 |     pub fn new() -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `get_idx` is never used
[INFO] [stderr]   --> src/chess/chess_color.rs:16:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | impl ChessColor {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 15 |     #[inline(always)]
[INFO] [stderr] 16 |     pub fn get_idx(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess-engine` (bin "chess-engine" test) generated 5 warnings (run `cargo fix --bin "chess-engine" -p chess-engine --tests` to apply 2 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/chess_engine-cd24db9a7227afd8)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "f483d24493b460adb0a8e441384f5068d4d57cbaf2e30e17bb7424878100f5b0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f483d24493b460adb0a8e441384f5068d4d57cbaf2e30e17bb7424878100f5b0", kill_on_drop: false }`
[INFO] [stdout] f483d24493b460adb0a8e441384f5068d4d57cbaf2e30e17bb7424878100f5b0
