[INFO] cloning repository https://github.com/eliasffyksen/RustyBoard
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/eliasffyksen/RustyBoard" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 24302ee186cc0d1be0b3be91eed586f11276a003
[INFO] testing eliasffyksen/RustyBoard against try#b8e88e5ddf5521a9f43ee3f62a702388c713e4bb for pr-155114
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Feliasffyksen%2FRustyBoard" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/eliasffyksen/RustyBoard
[INFO] finished tweaking git repo https://github.com/eliasffyksen/RustyBoard
[INFO] tweaked toml for git repo https://github.com/eliasffyksen/RustyBoard written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/eliasffyksen/RustyBoard on toolchain b8e88e5ddf5521a9f43ee3f62a702388c713e4bb
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/eliasffyksen/RustyBoard 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" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded libc v0.2.137
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3c8c26a4b3137859dca9455933c7d2aff117f488add0c4cf88d637f1fd703928
[INFO] running `Command { std: "docker" "start" "-a" "3c8c26a4b3137859dca9455933c7d2aff117f488add0c4cf88d637f1fd703928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3c8c26a4b3137859dca9455933c7d2aff117f488add0c4cf88d637f1fd703928", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c8c26a4b3137859dca9455933c7d2aff117f488add0c4cf88d637f1fd703928", kill_on_drop: false }`
[INFO] [stdout] 3c8c26a4b3137859dca9455933c7d2aff117f488add0c4cf88d637f1fd703928
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bc45dfdef3661bdf75f8a4c0fd08811682923fcb262880e7136a94953374c6a0
[INFO] running `Command { std: "docker" "start" "-a" "bc45dfdef3661bdf75f8a4c0fd08811682923fcb262880e7136a94953374c6a0", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling getrandom v0.2.8
[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 chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/games/chess/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt;
[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: `random::RandomPlayer`
[INFO] [stdout]  --> src/players/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use random::RandomPlayer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Piece` is never used
[INFO] [stdout]  --> src/games/chess/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Piece {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Square` is never used
[INFO] [stdout]   --> src/games/chess/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Square {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/games/chess/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct State {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init_board`, and `init_piece` are never used
[INFO] [stdout]   --> src/games/chess/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 34 |   pub fn new() -> State {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |   fn init_board(&mut self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |   fn init_piece(&mut self, piece: Piece, place: usize) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandomPlayer` is never constructed
[INFO] [stdout]  --> src/players/random.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RandomPlayer<R> where R: rand::Rng {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/players/random.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<R> RandomPlayer<R> where R: rand::Rng {
[INFO] [stdout]   | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(rng: R) -> RandomPlayer<R> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `Command { std: "docker" "inspect" "bc45dfdef3661bdf75f8a4c0fd08811682923fcb262880e7136a94953374c6a0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bc45dfdef3661bdf75f8a4c0fd08811682923fcb262880e7136a94953374c6a0", kill_on_drop: false }`
[INFO] [stdout] bc45dfdef3661bdf75f8a4c0fd08811682923fcb262880e7136a94953374c6a0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 125a00141ef4b7849ea4f7220c9657ca5d936e2fc0ec8f4951aae8ae53d2f93b
[INFO] running `Command { std: "docker" "start" "-a" "125a00141ef4b7849ea4f7220c9657ca5d936e2fc0ec8f4951aae8ae53d2f93b", kill_on_drop: false }`
[INFO] [stderr]    Compiling chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]   --> src/games/chess/mod.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use std::fmt;
[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: `random::RandomPlayer`
[INFO] [stdout]  --> src/players/mod.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub use random::RandomPlayer;
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Piece` is never used
[INFO] [stdout]  --> src/games/chess/mod.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum Piece {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Square` is never used
[INFO] [stdout]   --> src/games/chess/mod.rs:17:6
[INFO] [stdout]    |
[INFO] [stdout] 17 | enum Square {
[INFO] [stdout]    |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `State` is never constructed
[INFO] [stdout]   --> src/games/chess/mod.rs:25:12
[INFO] [stdout]    |
[INFO] [stdout] 25 | pub struct State {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `init_board`, and `init_piece` are never used
[INFO] [stdout]   --> src/games/chess/mod.rs:34:10
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl State {
[INFO] [stdout]    | ---------- associated items in this implementation
[INFO] [stdout] 34 |   pub fn new() -> State {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |   fn init_board(&mut self) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 65 |   fn init_piece(&mut self, piece: Piece, place: usize) {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `RandomPlayer` is never constructed
[INFO] [stdout]  --> src/players/random.rs:4:12
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct RandomPlayer<R> where R: rand::Rng {
[INFO] [stdout]   |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]  --> src/players/random.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl<R> RandomPlayer<R> where R: rand::Rng {
[INFO] [stdout]   | ------------------------------------------ associated function in this implementation
[INFO] [stdout] 9 |     pub fn new(rng: R) -> RandomPlayer<R> {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.15s
[INFO] running `Command { std: "docker" "inspect" "125a00141ef4b7849ea4f7220c9657ca5d936e2fc0ec8f4951aae8ae53d2f93b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "125a00141ef4b7849ea4f7220c9657ca5d936e2fc0ec8f4951aae8ae53d2f93b", kill_on_drop: false }`
[INFO] [stdout] 125a00141ef4b7849ea4f7220c9657ca5d936e2fc0ec8f4951aae8ae53d2f93b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+b8e88e5ddf5521a9f43ee3f62a702388c713e4bb" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c771a294453fb7ac4c9c831ee689a9b0174af9cd1c344646fc5eabb694f52fb3
[INFO] running `Command { std: "docker" "start" "-a" "c771a294453fb7ac4c9c831ee689a9b0174af9cd1c344646fc5eabb694f52fb3", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::fmt`
[INFO] [stderr]   --> src/games/chess/mod.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr] 12 | use std::fmt;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `random::RandomPlayer`
[INFO] [stderr]  --> src/players/mod.rs:5:9
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub use random::RandomPlayer;
[INFO] [stderr]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Piece` is never used
[INFO] [stderr]  --> src/games/chess/mod.rs:3:6
[INFO] [stderr]   |
[INFO] [stderr] 3 | enum Piece {
[INFO] [stderr]   |      ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: enum `Square` is never used
[INFO] [stderr]   --> src/games/chess/mod.rs:17:6
[INFO] [stderr]    |
[INFO] [stderr] 17 | enum Square {
[INFO] [stderr]    |      ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `State` is never constructed
[INFO] [stderr]   --> src/games/chess/mod.rs:25:12
[INFO] [stderr]    |
[INFO] [stderr] 25 | pub struct State {
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated items `new`, `init_board`, and `init_piece` are never used
[INFO] [stderr]   --> src/games/chess/mod.rs:34:10
[INFO] [stderr]    |
[INFO] [stderr] 33 | impl State {
[INFO] [stderr]    | ---------- associated items in this implementation
[INFO] [stderr] 34 |   pub fn new() -> State {
[INFO] [stderr]    |          ^^^
[INFO] [stderr] ...
[INFO] [stderr] 45 |   fn init_board(&mut self) {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 65 |   fn init_piece(&mut self, piece: Piece, place: usize) {
[INFO] [stderr]    |      ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `RandomPlayer` is never constructed
[INFO] [stderr]  --> src/players/random.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct RandomPlayer<R> where R: rand::Rng {
[INFO] [stderr]   |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]  --> src/players/random.rs:9:12
[INFO] [stderr]   |
[INFO] [stderr] 8 | impl<R> RandomPlayer<R> where R: rand::Rng {
[INFO] [stderr]   | ------------------------------------------ associated function in this implementation
[INFO] [stderr] 9 |     pub fn new(rng: R) -> RandomPlayer<R> {
[INFO] [stderr]   |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `chess` (bin "chess" test) generated 8 warnings (run `cargo fix --bin "chess" -p chess --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/chess-41e8516386dc148a)
[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" "c771a294453fb7ac4c9c831ee689a9b0174af9cd1c344646fc5eabb694f52fb3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c771a294453fb7ac4c9c831ee689a9b0174af9cd1c344646fc5eabb694f52fb3", kill_on_drop: false }`
[INFO] [stdout] c771a294453fb7ac4c9c831ee689a9b0174af9cd1c344646fc5eabb694f52fb3
