[INFO] cloning repository https://github.com/r2p2/fanstr-buigam
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/r2p2/fanstr-buigam" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2p2%2Ffanstr-buigam", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fr2p2%2Ffanstr-buigam'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91dee16dff9f1f377ede42c18163ffb394a5bfd1
[INFO] testing r2p2/fanstr-buigam 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%2Fr2p2%2Ffanstr-buigam" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/r2p2/fanstr-buigam
[INFO] finished tweaking git repo https://github.com/r2p2/fanstr-buigam
[INFO] tweaked toml for git repo https://github.com/r2p2/fanstr-buigam written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/r2p2/fanstr-buigam 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/r2p2/fanstr-buigam 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] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 752241e6d841312f3a013cc3510f4e6158719b09b893cc67bd6d7e622b7fa165
[INFO] running `Command { std: "docker" "start" "-a" "752241e6d841312f3a013cc3510f4e6158719b09b893cc67bd6d7e622b7fa165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "752241e6d841312f3a013cc3510f4e6158719b09b893cc67bd6d7e622b7fa165", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "752241e6d841312f3a013cc3510f4e6158719b09b893cc67bd6d7e622b7fa165", kill_on_drop: false }`
[INFO] [stdout] 752241e6d841312f3a013cc3510f4e6158719b09b893cc67bd6d7e622b7fa165
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 049fa487b1a5fe82579727589aada4d80969d55f8fbb465b016b1c3f97036430
[INFO] running `Command { std: "docker" "start" "-a" "049fa487b1a5fe82579727589aada4d80969d55f8fbb465b016b1c3f97036430", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling fanstr-buigam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/main.rs:46:58
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn move_being_in_coord(&self, coord: (usize, usize), dir: Direction) -> Result<(usize, usize), MovementError> {
[INFO] [stdout]    |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "049fa487b1a5fe82579727589aada4d80969d55f8fbb465b016b1c3f97036430", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "049fa487b1a5fe82579727589aada4d80969d55f8fbb465b016b1c3f97036430", kill_on_drop: false }`
[INFO] [stdout] 049fa487b1a5fe82579727589aada4d80969d55f8fbb465b016b1c3f97036430
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] 381a942915cc8c8d8cb2c2f4fdae605d350c310ded4196f38883262acd0f43a3
[INFO] running `Command { std: "docker" "start" "-a" "381a942915cc8c8d8cb2c2f4fdae605d350c310ded4196f38883262acd0f43a3", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr]    Compiling fanstr-buigam v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `dir`
[INFO] [stdout]   --> src/main.rs:46:58
[INFO] [stdout]    |
[INFO] [stdout] 46 |     fn move_being_in_coord(&self, coord: (usize, usize), dir: Direction) -> Result<(usize, usize), MovementError> {
[INFO] [stdout]    |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.27s
[INFO] running `Command { std: "docker" "inspect" "381a942915cc8c8d8cb2c2f4fdae605d350c310ded4196f38883262acd0f43a3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "381a942915cc8c8d8cb2c2f4fdae605d350c310ded4196f38883262acd0f43a3", kill_on_drop: false }`
[INFO] [stdout] 381a942915cc8c8d8cb2c2f4fdae605d350c310ded4196f38883262acd0f43a3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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] c6b1a7839536ccb52723c462cacd3d86c54fb8edb0a591c799e1f68afe69bcbb
[INFO] running `Command { std: "docker" "start" "-a" "c6b1a7839536ccb52723c462cacd3d86c54fb8edb0a591c799e1f68afe69bcbb", kill_on_drop: false }`
[INFO] [stderr] warning: `package.edition` is unspecified, defaulting to `2015` while the latest is `2024`
[INFO] [stderr] warning: unused variable: `dir`
[INFO] [stderr]   --> src/main.rs:46:58
[INFO] [stderr]    |
[INFO] [stderr] 46 |     fn move_being_in_coord(&self, coord: (usize, usize), dir: Direction) -> Result<(usize, usize), MovementError> {
[INFO] [stderr]    |                                                          ^^^ help: if this is intentional, prefix it with an underscore: `_dir`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `fanstr-buigam` (bin "fanstr-buigam" test) generated 1 warning (run `cargo fix --bin "fanstr-buigam" -p fanstr-buigam --tests` to apply 1 suggestion)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.03s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/fanstr_buigam-10fd751dfbc2382a)
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test tests::test_move_being_without_beging_in_square ... ok
[INFO] [stdout] test tests::test_empty_grid ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.04s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "c6b1a7839536ccb52723c462cacd3d86c54fb8edb0a591c799e1f68afe69bcbb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c6b1a7839536ccb52723c462cacd3d86c54fb8edb0a591c799e1f68afe69bcbb", kill_on_drop: false }`
[INFO] [stdout] c6b1a7839536ccb52723c462cacd3d86c54fb8edb0a591c799e1f68afe69bcbb