[INFO] cloning repository https://github.com/DenSev/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/DenSev/rust-chess" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSev%2Frust-chess", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSev%2Frust-chess'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4a3b7afe8b86d7e15b60e7afe7a3179ce93ce29d
[INFO] building DenSev/rust-chess against master#881c1ac408d93bb7adaa3a51dabab9266e82eee8 for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FDenSev%2Frust-chess" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/DenSev/rust-chess on toolchain 881c1ac408d93bb7adaa3a51dabab9266e82eee8
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/DenSev/rust-chess
[INFO] finished tweaking git repo https://github.com/DenSev/rust-chess
[INFO] tweaked toml for git repo https://github.com/DenSev/rust-chess written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/DenSev/rust-chess already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 99c6b785c1c0d834b9b97b73f46025de965ddf1cc75c37a9bcd519b17d552da3
[INFO] running `Command { std: "docker" "start" "-a" "99c6b785c1c0d834b9b97b73f46025de965ddf1cc75c37a9bcd519b17d552da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "99c6b785c1c0d834b9b97b73f46025de965ddf1cc75c37a9bcd519b17d552da3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "99c6b785c1c0d834b9b97b73f46025de965ddf1cc75c37a9bcd519b17d552da3", kill_on_drop: false }`
[INFO] [stdout] 99c6b785c1c0d834b9b97b73f46025de965ddf1cc75c37a9bcd519b17d552da3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+881c1ac408d93bb7adaa3a51dabab9266e82eee8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 3596d51dda5a5054e33f5396d37c8ead2ea7782f2bac1abf820fd5528a71a8d6
[INFO] running `Command { std: "docker" "start" "-a" "3596d51dda5a5054e33f5396d37c8ead2ea7782f2bac1abf820fd5528a71a8d6", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust-chess v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0599]: the method `insert` exists for struct `HashMap<Pos, &Cell>`, but its trait bounds were not satisfied
[INFO] [stdout]    --> src/lib.rs:255:28
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     pieces.insert(Pos { x: j, y: i }, cell_at);
[INFO] [stdout]     |                            ^^^^^^ method cannot be called on `HashMap<Pos, &Cell>` due to unsatisfied trait bounds
[INFO] [stdout] ...
[INFO] [stdout] 328 | pub struct Pos {
[INFO] [stdout]     | -------------- doesn't satisfy `Pos: Hash`
[INFO] [stdout]     |
[INFO] [stdout]     = note: the following trait bounds were not satisfied:
[INFO] [stdout]             `Pos: Hash`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:279:35
[INFO] [stdout]     |
[INFO] [stdout] 279 |             if positions.contains(opposing_king_pos) {
[INFO] [stdout]     |                                   ^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |                                   |
[INFO] [stdout]     |                                   expected reference, found struct `Pos`
[INFO] [stdout]     |                                   help: consider borrowing here: `&opposing_king_pos`
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected reference `&_`
[INFO] [stdout]                   found struct `Pos`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]    --> src/lib.rs:298:34
[INFO] [stdout]     |
[INFO] [stdout] 298 |     pub fn check_board(&self) -> Option<Color> {
[INFO] [stdout]     |            -----------           ^^^^^^^^^^^^^ expected enum `Option`, found `()`
[INFO] [stdout]     |            |
[INFO] [stdout]     |            implicitly returns `()` as its body has no tail or `return` expression
[INFO] [stdout]     |
[INFO] [stdout]     = note:   expected enum `Option<Color>`
[INFO] [stdout]             found unit type `()`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 3 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0308, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0308`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-chess`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "3596d51dda5a5054e33f5396d37c8ead2ea7782f2bac1abf820fd5528a71a8d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3596d51dda5a5054e33f5396d37c8ead2ea7782f2bac1abf820fd5528a71a8d6", kill_on_drop: false }`
[INFO] [stdout] 3596d51dda5a5054e33f5396d37c8ead2ea7782f2bac1abf820fd5528a71a8d6
