[INFO] cloning repository https://github.com/daniel-needham/checkers
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/daniel-needham/checkers" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-needham%2Fcheckers", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-needham%2Fcheckers'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] cd440e815607855ac38854a3f7819d53dabe2c51
[INFO] checking daniel-needham/checkers/cd440e815607855ac38854a3f7819d53dabe2c51 against eca445e5ae4a6679cc27d3a09106ce245e13a5a6 for pr-162478
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdaniel-needham%2Fcheckers" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/daniel-needham/checkers
[INFO] finished tweaking git repo https://github.com/daniel-needham/checkers
[INFO] tweaked toml for git repo https://github.com/daniel-needham/checkers written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/daniel-needham/checkers on toolchain eca445e5ae4a6679cc27d3a09106ce245e13a5a6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/daniel-needham/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" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.11
[INFO] [stderr]   Downloaded proc-macro2 v1.0.69
[INFO] [stderr]   Downloaded papergrid v0.10.0
[INFO] [stderr]   Downloaded tabled_derive v0.6.0
[INFO] [stderr]   Downloaded num-iter v0.1.43
[INFO] [stderr]   Downloaded num v0.4.1
[INFO] [stderr]   Downloaded bytecount v0.6.7
[INFO] [stderr]   Downloaded num-rational v0.4.1
[INFO] [stderr]   Downloaded num-complex v0.4.4
[INFO] [stderr]   Downloaded getrandom v0.2.11
[INFO] [stderr]   Downloaded num-traits v0.2.17
[INFO] [stderr]   Downloaded num-bigint v0.4.4
[INFO] [stderr]   Downloaded tabled v0.14.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7
[INFO] running `Command { std: "docker" "start" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7" "/opt/rustwide/cargo-home/bin/cargo" "+eca445e5ae4a6679cc27d3a09106ce245e13a5a6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.4
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling libc v0.2.150
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]     Checking unicode-width v0.1.11
[INFO] [stderr]     Checking fnv v1.0.7
[INFO] [stderr]    Compiling heck v0.4.1
[INFO] [stderr]     Checking bytecount v0.6.7
[INFO] [stderr]     Checking papergrid v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling num-integer v0.1.45
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling num-iter v0.1.43
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling quote v1.0.33
[INFO] [stderr]     Checking getrandom v0.2.11
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]     Checking num-complex v0.4.4
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]    Compiling tabled_derive v0.6.0
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking tabled v0.14.0
[INFO] [stderr]     Checking checkers v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `Movedef` is more private than the item `Board::ingest_movedef`
[INFO] [stdout]    --> src/board.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn ingest_movedef(&mut self, movedef: Movedef) -> () {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Board::ingest_movedef` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Movedef` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/movedef.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout]   2 | pub(crate) struct Movedef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Movedef` is more private than the item `GameManager::generate_legal_moves`
[INFO] [stdout]   --> src/gamemanager.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn generate_legal_moves(&self, board: &Board, colour: Colour) -> Vec<Movedef> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `GameManager::generate_legal_moves` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Movedef` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/movedef.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub(crate) struct Movedef {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Movedef` is more private than the item `GameManager::get_best_move`
[INFO] [stdout]    --> src/gamemanager.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn get_best_move(&self, depth: i32) -> (Movedef, i32) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `GameManager::get_best_move` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Movedef` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/movedef.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout]   2 | pub(crate) struct Movedef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/board.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let x_b = x < BOARD_SIZE && x >= 0;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/board.rs:109:37
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let y_b = y < BOARD_SIZE && y >= 0;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Movedef` is more private than the item `Board::ingest_movedef`
[INFO] [stdout]    --> src/board.rs:196:5
[INFO] [stdout]     |
[INFO] [stdout] 196 |     pub fn ingest_movedef(&mut self, movedef: Movedef) -> () {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `Board::ingest_movedef` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Movedef` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/movedef.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout]   2 | pub(crate) struct Movedef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Movedef` is more private than the item `GameManager::generate_legal_moves`
[INFO] [stdout]   --> src/gamemanager.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn generate_legal_moves(&self, board: &Board, colour: Colour) -> Vec<Movedef> {
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `GameManager::generate_legal_moves` is reachable at visibility `pub`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Movedef` is only usable at visibility `pub(crate)`
[INFO] [stdout]   --> src/movedef.rs:2:1
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub(crate) struct Movedef {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Movedef` is more private than the item `GameManager::get_best_move`
[INFO] [stdout]    --> src/gamemanager.rs:421:5
[INFO] [stdout]     |
[INFO] [stdout] 421 |     pub fn get_best_move(&self, depth: i32) -> (Movedef, i32) {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `GameManager::get_best_move` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Movedef` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/movedef.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout]   2 | pub(crate) struct Movedef {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/board.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |         let x_b = x < BOARD_SIZE && x >= 0;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: comparison is useless due to type limits
[INFO] [stdout]    --> src/board.rs:109:37
[INFO] [stdout]     |
[INFO] [stdout] 109 |         let y_b = y < BOARD_SIZE && y >= 0;
[INFO] [stdout]     |                                     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `num`
[INFO] [stderr]  --> Cargo.toml:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | num = "0.4.1"
[INFO] [stderr]   | ^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `num`
[INFO] [stderr] warning: `checkers` (manifest) generated 1 warning
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.96s
[INFO] running `Command { std: "docker" "inspect" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7", kill_on_drop: false }`
[INFO] [stdout] 03b54585077fd0047e5a707e5f7075413041ad5f6e28d9d6d8034a22acb67fe7
