[INFO] cloning repository https://github.com/grogers0/calendar-puzzle
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/grogers0/calendar-puzzle" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrogers0%2Fcalendar-puzzle", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrogers0%2Fcalendar-puzzle'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5382c21b4bec629862424273ac0d7d6f7f1e6762
[INFO] testing grogers0/calendar-puzzle against beta-2026-04-21 for beta-1.96-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgrogers0%2Fcalendar-puzzle" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/grogers0/calendar-puzzle
[INFO] finished tweaking git repo https://github.com/grogers0/calendar-puzzle
[INFO] tweaked toml for git repo https://github.com/grogers0/calendar-puzzle written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/grogers0/calendar-puzzle on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/grogers0/calendar-puzzle 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 9bf1ef9bd3203910adf9b77c1c140e0c926ae37ec4c290a9a8d1565f921684bc
[INFO] running `Command { std: "docker" "start" "-a" "9bf1ef9bd3203910adf9b77c1c140e0c926ae37ec4c290a9a8d1565f921684bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9bf1ef9bd3203910adf9b77c1c140e0c926ae37ec4c290a9a8d1565f921684bc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9bf1ef9bd3203910adf9b77c1c140e0c926ae37ec4c290a9a8d1565f921684bc", kill_on_drop: false }`
[INFO] [stdout] 9bf1ef9bd3203910adf9b77c1c140e0c926ae37ec4c290a9a8d1565f921684bc
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dfa2f2638da6391db72b887bda90aa23bb71d6348755e3c3b91f195aff0c926a
[INFO] running `Command { std: "docker" "start" "-a" "dfa2f2638da6391db72b887bda90aa23bb71d6348755e3c3b91f195aff0c926a", kill_on_drop: false }`
[INFO] [stderr]    Compiling itertools v0.14.0
[INFO] [stderr]    Compiling calendar-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `is_filled` and `unplace` are never used
[INFO] [stdout]   --> src/board.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn unplace(&mut self, piece: &Piece, pos: &Pos) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `flipped`, `rotated`, and `permutations` are never used
[INFO] [stdout]   --> src/piece.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Piece {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn flipped(&self) -> Piece {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 46 |     pub fn rotated(&self) -> Piece {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn permutations(&self) -> HashSet<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.74s
[INFO] running `Command { std: "docker" "inspect" "dfa2f2638da6391db72b887bda90aa23bb71d6348755e3c3b91f195aff0c926a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dfa2f2638da6391db72b887bda90aa23bb71d6348755e3c3b91f195aff0c926a", kill_on_drop: false }`
[INFO] [stdout] dfa2f2638da6391db72b887bda90aa23bb71d6348755e3c3b91f195aff0c926a
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4b56a6aa9c739bf39c7c4dc6e679484154a3e89b0757e35e211768e553d69ad2
[INFO] running `Command { std: "docker" "start" "-a" "4b56a6aa9c739bf39c7c4dc6e679484154a3e89b0757e35e211768e553d69ad2", kill_on_drop: false }`
[INFO] [stderr]    Compiling calendar-puzzle v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: methods `is_filled` and `unplace` are never used
[INFO] [stdout]   --> src/board.rs:49:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl Board {
[INFO] [stdout]    | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 49 |     pub fn is_filled(&self) -> bool {
[INFO] [stdout]    |            ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 85 |     pub fn unplace(&mut self, piece: &Piece, pos: &Pos) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `permutations` is never used
[INFO] [stdout]   --> src/piece.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Piece {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn permutations(&self) -> HashSet<Piece> {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.81s
[INFO] running `Command { std: "docker" "inspect" "4b56a6aa9c739bf39c7c4dc6e679484154a3e89b0757e35e211768e553d69ad2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4b56a6aa9c739bf39c7c4dc6e679484154a3e89b0757e35e211768e553d69ad2", kill_on_drop: false }`
[INFO] [stdout] 4b56a6aa9c739bf39c7c4dc6e679484154a3e89b0757e35e211768e553d69ad2
[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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+beta-2026-04-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] c3d2e40116a6a7f4b6afcc0a766198a648489113f25de2bde5ee9deb718db36c
[INFO] running `Command { std: "docker" "start" "-a" "c3d2e40116a6a7f4b6afcc0a766198a648489113f25de2bde5ee9deb718db36c", kill_on_drop: false }`
[INFO] [stderr] warning: methods `is_filled` and `unplace` are never used
[INFO] [stderr]   --> src/board.rs:49:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl Board {
[INFO] [stderr]    | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 49 |     pub fn is_filled(&self) -> bool {
[INFO] [stderr]    |            ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 85 |     pub fn unplace(&mut self, piece: &Piece, pos: &Pos) {
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `permutations` is never used
[INFO] [stderr]   --> src/piece.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl Piece {
[INFO] [stderr]    | ---------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn permutations(&self) -> HashSet<Piece> {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `calendar-puzzle` (bin "calendar-puzzle" test) generated 2 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/calendar_puzzle-64c6d6997e777d34)
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test board::tests::test_parse_display ... ok
[INFO] [stdout] test piece::tests::test_flip ... ok
[INFO] [stdout] test piece::tests::test_parse_display ... ok
[INFO] [stdout] test piece::tests::test_rotate ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 4 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c3d2e40116a6a7f4b6afcc0a766198a648489113f25de2bde5ee9deb718db36c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3d2e40116a6a7f4b6afcc0a766198a648489113f25de2bde5ee9deb718db36c", kill_on_drop: false }`
[INFO] [stdout] c3d2e40116a6a7f4b6afcc0a766198a648489113f25de2bde5ee9deb718db36c
