[INFO] cloning repository https://github.com/tim-ludwig/rust-chess
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tim-ludwig/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-ludwig%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-ludwig%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 82a8a1fe1780af16b9fd5dd78619cc4404274c1f
[INFO] checking tim-ludwig/rust-chess against try#099e089ab723e6ee96175f3496051098c60a4cd4 for pr-140208
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftim-ludwig%2Frust-chess" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/tim-ludwig/rust-chess on toolchain 099e089ab723e6ee96175f3496051098c60a4cd4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/tim-ludwig/rust-chess
[INFO] finished tweaking git repo https://github.com/tim-ludwig/rust-chess
[INFO] tweaked toml for git repo https://github.com/tim-ludwig/rust-chess written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/tim-ludwig/rust-chess 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" "+099e089ab723e6ee96175f3496051098c60a4cd4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fab4fee4e1bea9642913d8d747205fdac9791dd9f6fcc4b15651a631fcc0f25a
[INFO] running `Command { std: "docker" "start" "-a" "fab4fee4e1bea9642913d8d747205fdac9791dd9f6fcc4b15651a631fcc0f25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fab4fee4e1bea9642913d8d747205fdac9791dd9f6fcc4b15651a631fcc0f25a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fab4fee4e1bea9642913d8d747205fdac9791dd9f6fcc4b15651a631fcc0f25a", kill_on_drop: false }`
[INFO] [stdout] fab4fee4e1bea9642913d8d747205fdac9791dd9f6fcc4b15651a631fcc0f25a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+099e089ab723e6ee96175f3496051098c60a4cd4" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0433b4fd2f685de6a2f90861217e4c99d08c6fd4a602daf3b2eb70b4b0cb4846
[INFO] running `Command { std: "docker" "start" "-a" "0433b4fd2f685de6a2f90861217e4c99d08c6fd4a602daf3b2eb70b4b0cb4846", kill_on_drop: false }`
[INFO] [stderr] warning: virtual workspace defaulting to `resolver = "1"` despite one or more workspace members being on edition 2021 which implies `resolver = "2"`
[INFO] [stderr] note: to keep the current resolver, specify `workspace.resolver = "1"` in the workspace root's manifest
[INFO] [stderr] note: to use the edition 2021 resolver, specify `workspace.resolver = "2"` in the workspace root's manifest
[INFO] [stderr] note: for more details see https://doc.rust-lang.org/cargo/reference/resolver.html#resolver-versions
[INFO] [stderr]     Checking chess v0.1.0 (/opt/rustwide/workdir/chess)
[INFO] [stdout] warning: unused import: `crate::board::position::Position`
[INFO] [stdout]   --> chess/src/board/piece_list.rs:66:9
[INFO] [stdout]    |
[INFO] [stdout] 66 |     use crate::board::position::Position;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::FromStr`
[INFO] [stdout]   --> chess/src/board/piece_list.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 68 |     use std::str::FromStr;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Piece`
[INFO] [stdout]    --> chess/src/board/mod.rs:341:35
[INFO] [stdout]     |
[INFO] [stdout] 341 |         use crate::piece::{Color, Piece};
[INFO] [stdout]     |                                   ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_piece`, `move_piece`, and `get_state` are never used
[INFO] [stdout]   --> chess/src/board/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 23 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn remove_piece(&mut self, pos: &Position) -> Option<Piece> {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     fn move_piece(&mut self, from: &Position, to: &Position) -> Option<Piece> {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 73 |     fn get_state(&self) -> &GameState {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `captured_piece` is never read
[INFO] [stdout]   --> chess/src/board/game_state.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct GameState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub captured_piece: Option<Piece>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `next` is never used
[INFO] [stdout]   --> chess/src/board/game_state.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 66 | impl GameState {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn next(&self) -> Self {
[INFO] [stdout]    |            ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `remove_piece` and `move_piece` are never used
[INFO] [stdout]   --> chess/src/board/grid.rs:24:12
[INFO] [stdout]    |
[INFO] [stdout] 9  | impl Grid {
[INFO] [stdout]    | --------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn remove_piece(&mut self, pos: &Position) -> Option<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 28 |     pub fn move_piece(&mut self, from: &Position, to: &Position) -> Option<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `get`, `pos_of_piece`, and `move_piece` are never used
[INFO] [stdout]   --> chess/src/board/piece_list.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl PieceList {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 28 |     fn get(&self, p: &Piece) -> &HashSet<Position> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |     pub fn pos_of_piece(&self, p: &Piece) -> impl Iterator<Item = Position> + '_ {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |     pub fn move_piece(&mut self, p: &Piece, from: &Position, to: &Position) {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking chess_terminal_ui v0.1.0 (/opt/rustwide/workdir/chess_terminal_ui)
[INFO] [stdout] warning: field `captured_piece` is never read
[INFO] [stdout]   --> chess/src/board/game_state.rs:63:9
[INFO] [stdout]    |
[INFO] [stdout] 59 | pub struct GameState {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 63 |     pub captured_piece: Option<Piece>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GameState` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `chess` (lib test); 4 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   No space left on device (os error 28)
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   failed to parse process output: `/opt/rustwide/rustup-home/toolchains/099e089ab723e6ee96175f3496051098c60a4cd4/bin/rustc --crate-name chess --edition=2021 chess/src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --emit=dep-info,metadata -C embed-bitcode=no -C debuginfo=2 --test --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values())' -C metadata=db79a6ca06d551c6 -C extra-filename=-6af1d0ed9761b796 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --cap-lints=forbid` (exit status: 0)
[INFO] running `Command { std: "docker" "inspect" "0433b4fd2f685de6a2f90861217e4c99d08c6fd4a602daf3b2eb70b4b0cb4846", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0433b4fd2f685de6a2f90861217e4c99d08c6fd4a602daf3b2eb70b4b0cb4846", kill_on_drop: false }`
[INFO] [stdout] 0433b4fd2f685de6a2f90861217e4c99d08c6fd4a602daf3b2eb70b4b0cb4846