[INFO] cloning repository https://github.com/Eragra3/rusty-checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Eragra3/rusty-checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2Frusty-checkers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2Frusty-checkers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 764bba6fe5963f8c7fdc303c659a7cec1143cf46
[INFO] checking Eragra3/rusty-checkers against try#b1f2594eac607c1f051534800237eeedb5590a49 for pr-139493-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEragra3%2Frusty-checkers" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Eragra3/rusty-checkers
[INFO] finished tweaking git repo https://github.com/Eragra3/rusty-checkers
[INFO] tweaked toml for git repo https://github.com/Eragra3/rusty-checkers written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Eragra3/rusty-checkers on toolchain b1f2594eac607c1f051534800237eeedb5590a49
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Eragra3/rusty-checkers 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" "+b1f2594eac607c1f051534800237eeedb5590a49" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2628380a8922c55bd7a18e53d17758849bd6505ac902a70006a4568dcf7ca0ca
[INFO] running `Command { std: "docker" "start" "-a" "2628380a8922c55bd7a18e53d17758849bd6505ac902a70006a4568dcf7ca0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2628380a8922c55bd7a18e53d17758849bd6505ac902a70006a4568dcf7ca0ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2628380a8922c55bd7a18e53d17758849bd6505ac902a70006a4568dcf7ca0ca", kill_on_drop: false }`
[INFO] [stdout] 2628380a8922c55bd7a18e53d17758849bd6505ac902a70006a4568dcf7ca0ca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+b1f2594eac607c1f051534800237eeedb5590a49" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 81b87bd13581cba3c324377823bd8bb2b5f17db91a888f1307d37da9d7575b26
[INFO] running `Command { std: "docker" "start" "-a" "81b87bd13581cba3c324377823bd8bb2b5f17db91a888f1307d37da9d7575b26", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]     Checking unicode-width v0.1.6
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking pad v0.1.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking colored v1.9.0
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]     Checking checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variants `BlackKing` and `WhiteKing` are never constructed
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Tile {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 50 |     BlackKing,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 51 |     WhiteKing,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_tile_owner_at` is never used
[INFO] [stdout]    --> src/main.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn get_tile_owner_at(&self, index: Index) -> Result<Option<Player>, &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MultiCapture`, `KingMove`, `KingCapture`, and `KingMultiCapture` are never constructed
[INFO] [stdout]    --> src/main.rs:843:5
[INFO] [stdout]     |
[INFO] [stdout] 837 | enum MoveType {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 843 |     MultiCapture(Vec<Index>),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 844 |     KingMove(Index),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 845 |     KingCapture {
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 849 |     KingMultiCapture(Vec<Index>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MoveType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `BlackKing` and `WhiteKing` are never constructed
[INFO] [stdout]   --> src/main.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 46 | enum Tile {
[INFO] [stdout]    |      ---- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 50 |     BlackKing,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 51 |     WhiteKing,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Tile` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_tile_owner_at` is never used
[INFO] [stdout]    --> src/main.rs:171:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl Board {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 171 |     pub fn get_tile_owner_at(&self, index: Index) -> Result<Option<Player>, &str> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `MultiCapture`, `KingMove`, `KingCapture`, and `KingMultiCapture` are never constructed
[INFO] [stdout]    --> src/main.rs:843:5
[INFO] [stdout]     |
[INFO] [stdout] 837 | enum MoveType {
[INFO] [stdout]     |      -------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 843 |     MultiCapture(Vec<Index>),
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 844 |     KingMove(Index),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 845 |     KingCapture {
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 849 |     KingMultiCapture(Vec<Index>),
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `MoveType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:338:40
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Err(msg) => panic!(msg),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Err(msg) => panic!("{}", msg),
[INFO] [stdout]     |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:688:35
[INFO] [stdout]     |
[INFO] [stdout] 688 |             Tile::Empty => panic!(INTERNAL_ERROR_MESSAGE),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 688 |             Tile::Empty => panic!("{}", INTERNAL_ERROR_MESSAGE),
[INFO] [stdout]     |                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:338:40
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Err(msg) => panic!(msg),
[INFO] [stdout]     |                                        ^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: `#[warn(non_fmt_panics)]` (part of `#[warn(rust_2021_compatibility)]`) on by default
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 338 |                     Err(msg) => panic!("{}", msg),
[INFO] [stdout]     |                                        +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: panic message is not a string literal
[INFO] [stdout]    --> src/main.rs:688:35
[INFO] [stdout]     |
[INFO] [stdout] 688 |             Tile::Empty => panic!(INTERNAL_ERROR_MESSAGE),
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout]     = note: this usage of `panic!()` is deprecated; it will be a hard error in Rust 2021
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2021/panic-macro-consistency.html>
[INFO] [stdout] help: add a "{}" format string to `Display` the message
[INFO] [stdout]     |
[INFO] [stdout] 688 |             Tile::Empty => panic!("{}", INTERNAL_ERROR_MESSAGE),
[INFO] [stdout]     |                                   +++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.70s
[INFO] running `Command { std: "docker" "inspect" "81b87bd13581cba3c324377823bd8bb2b5f17db91a888f1307d37da9d7575b26", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "81b87bd13581cba3c324377823bd8bb2b5f17db91a888f1307d37da9d7575b26", kill_on_drop: false }`
[INFO] [stdout] 81b87bd13581cba3c324377823bd8bb2b5f17db91a888f1307d37da9d7575b26
