[INFO] fetching crate letterboxed-rs 0.1.1...
[INFO] testing letterboxed-rs-0.1.1 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate letterboxed-rs 0.1.1 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate letterboxed-rs 0.1.1
[INFO] finished tweaking crates.io crate letterboxed-rs 0.1.1
[INFO] tweaked toml for crates.io crate letterboxed-rs 0.1.1 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate letterboxed-rs 0.1.1 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate letterboxed-rs 0.1.1 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-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3679c127f51d42a2755a846de69db42ec1a5a3ad27b7b14bb755130ea0a143e4
[INFO] running `Command { std: "docker" "start" "-a" "3679c127f51d42a2755a846de69db42ec1a5a3ad27b7b14bb755130ea0a143e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3679c127f51d42a2755a846de69db42ec1a5a3ad27b7b14bb755130ea0a143e4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3679c127f51d42a2755a846de69db42ec1a5a3ad27b7b14bb755130ea0a143e4", kill_on_drop: false }`
[INFO] [stdout] 3679c127f51d42a2755a846de69db42ec1a5a3ad27b7b14bb755130ea0a143e4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6ee7a137d0de2d7763aa7f844d919bbefd02de63f974b7bf1044a6ca28e2ad2f
[INFO] running `Command { std: "docker" "start" "-a" "6ee7a137d0de2d7763aa7f844d919bbefd02de63f974b7bf1044a6ca28e2ad2f", kill_on_drop: false }`
[INFO] [stderr]    Compiling anstyle-parse v0.2.4
[INFO] [stderr]    Compiling anstyle-query v1.1.0
[INFO] [stderr]    Compiling clap_lex v0.7.1
[INFO] [stderr]    Compiling clap_derive v4.5.5
[INFO] [stderr]    Compiling anstream v0.6.14
[INFO] [stderr]    Compiling clap_builder v4.5.7
[INFO] [stderr]    Compiling clap v4.5.7
[INFO] [stderr]    Compiling letterboxed-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 8.41s
[INFO] running `Command { std: "docker" "inspect" "6ee7a137d0de2d7763aa7f844d919bbefd02de63f974b7bf1044a6ca28e2ad2f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6ee7a137d0de2d7763aa7f844d919bbefd02de63f974b7bf1044a6ca28e2ad2f", kill_on_drop: false }`
[INFO] [stdout] 6ee7a137d0de2d7763aa7f844d919bbefd02de63f974b7bf1044a6ca28e2ad2f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c5716461cbffb9e40eecdd1bfbcfcdb65884eec621e7cd0b783d6291d92d2fa1
[INFO] running `Command { std: "docker" "start" "-a" "c5716461cbffb9e40eecdd1bfbcfcdb65884eec621e7cd0b783d6291d92d2fa1", kill_on_drop: false }`
[INFO] [stderr]    Compiling letterboxed-rs v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.71s
[INFO] running `Command { std: "docker" "inspect" "c5716461cbffb9e40eecdd1bfbcfcdb65884eec621e7cd0b783d6291d92d2fa1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c5716461cbffb9e40eecdd1bfbcfcdb65884eec621e7cd0b783d6291d92d2fa1", kill_on_drop: false }`
[INFO] [stdout] c5716461cbffb9e40eecdd1bfbcfcdb65884eec621e7cd0b783d6291d92d2fa1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 081ef76b1ed495f819db7ef7153c26688921ee7dc0f9b0fb9b1cccf59328e9ae
[INFO] running `Command { std: "docker" "start" "-a" "081ef76b1ed495f819db7ef7153c26688921ee7dc0f9b0fb9b1cccf59328e9ae", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/letterboxed_rs-4a6a27ebe2363c53)
[INFO] [stdout] 
[INFO] [stdout] running 9 tests
[INFO] [stdout] test tests::test_generate_words ... ok
[INFO] [stdout] test tests::test_grid_has_too_few_letters ... ok
[INFO] [stdout] test tests::test_grid_is_valid ... ok
[INFO] [stdout] test tests::test_grid_has_too_many_letters ... ok
[INFO] [stdout] test tests::test_is_invalid_args_length ... ok
[INFO] [stdout] test tests::test_is_valid_args_length ... ok
[INFO] [stdout] test tests::test_is_valid_word_invalid_nonexistent_letter ... ok
[INFO] [stdout] test tests::test_is_valid_word_valid ... ok
[INFO] [stdout] test tests::test_is_valid_word_invalid_single_side ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 9 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "081ef76b1ed495f819db7ef7153c26688921ee7dc0f9b0fb9b1cccf59328e9ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "081ef76b1ed495f819db7ef7153c26688921ee7dc0f9b0fb9b1cccf59328e9ae", kill_on_drop: false }`
[INFO] [stdout] 081ef76b1ed495f819db7ef7153c26688921ee7dc0f9b0fb9b1cccf59328e9ae