[INFO] fetching crate wasm_crossword_generator 0.0.4...
[INFO] testing wasm_crossword_generator-0.0.4 against beta-2025-10-28 for beta-1.92-2
[INFO] extracting crate wasm_crossword_generator 0.0.4 into /workspace/builds/worker-6-tc2/source
[INFO] started tweaking crates.io crate wasm_crossword_generator 0.0.4
[INFO] finished tweaking crates.io crate wasm_crossword_generator 0.0.4
[INFO] tweaked toml for crates.io crate wasm_crossword_generator 0.0.4 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm_crossword_generator 0.0.4 on toolchain beta-2025-10-28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 49 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.4)
[INFO] [stderr]       Adding rand v0.8.5 (available: v0.9.2)
[INFO] [stderr]       Adding thiserror v1.0.69 (available: v2.0.17)
[INFO] [stderr]       Adding tsify v0.4.5 (available: v0.5.6)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-10-28" "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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6e90ff717e01b6acbc55aacc38ad5b726b04be9737ff09eba9fed70c79febed6
[INFO] running `Command { std: "docker" "start" "-a" "6e90ff717e01b6acbc55aacc38ad5b726b04be9737ff09eba9fed70c79febed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6e90ff717e01b6acbc55aacc38ad5b726b04be9737ff09eba9fed70c79febed6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6e90ff717e01b6acbc55aacc38ad5b726b04be9737ff09eba9fed70c79febed6", kill_on_drop: false }`
[INFO] [stdout] 6e90ff717e01b6acbc55aacc38ad5b726b04be9737ff09eba9fed70c79febed6
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf9b9124c89d98dd8cb360e7c105db3f1cd63dd544da3027232ef0ba7b7d8790
[INFO] running `Command { std: "docker" "start" "-a" "cf9b9124c89d98dd8cb360e7c105db3f1cd63dd544da3027232ef0ba7b7d8790", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.105
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]    Compiling wasm-bindgen v0.2.105
[INFO] [stderr]    Compiling getrandom v0.2.16
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling syn v2.0.108
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.105
[INFO] [stderr]    Compiling serde_derive_internals v0.28.0
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling tsify-macros v0.4.5
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.105
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling js-sys v0.3.82
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling web-sys v0.3.82
[INFO] [stderr]    Compiling gloo-utils v0.1.7
[INFO] [stderr]    Compiling tsify v0.4.5
[INFO] [stderr]    Compiling wasm_crossword_generator v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]     --> src/lib.rs:1226:5
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     pub char_slot: Option<char>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:108:9
[INFO] [stdout]      |
[INFO] [stdout]  108 | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]     --> src/lib.rs:1227:5
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     pub has_char_slot: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 23.47s
[INFO] running `Command { std: "docker" "inspect" "cf9b9124c89d98dd8cb360e7c105db3f1cd63dd544da3027232ef0ba7b7d8790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf9b9124c89d98dd8cb360e7c105db3f1cd63dd544da3027232ef0ba7b7d8790", kill_on_drop: false }`
[INFO] [stdout] cf9b9124c89d98dd8cb360e7c105db3f1cd63dd544da3027232ef0ba7b7d8790
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c548f86522f10cd05ba12fbe89e017fa07f050112b1a18163c83582f27c1cbce
[INFO] running `Command { std: "docker" "start" "-a" "c548f86522f10cd05ba12fbe89e017fa07f050112b1a18163c83582f27c1cbce", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.55
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.55
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]     --> src/lib.rs:1226:5
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     pub char_slot: Option<char>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:108:9
[INFO] [stdout]      |
[INFO] [stdout]  108 | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]     --> src/lib.rs:1227:5
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     pub has_char_slot: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling wasm-bindgen-test v0.3.55
[INFO] [stderr]    Compiling wasm_crossword_generator v0.0.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]     --> src/lib.rs:1226:5
[INFO] [stdout]      |
[INFO] [stdout] 1226 |     pub char_slot: Option<char>,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]     --> src/lib.rs:108:9
[INFO] [stdout]      |
[INFO] [stdout]  108 | #![warn(missing_docs)]
[INFO] [stdout]      |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: missing documentation for a struct field
[INFO] [stdout]     --> src/lib.rs:1227:5
[INFO] [stdout]      |
[INFO] [stdout] 1227 |     pub has_char_slot: bool,
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.13s
[INFO] running `Command { std: "docker" "inspect" "c548f86522f10cd05ba12fbe89e017fa07f050112b1a18163c83582f27c1cbce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c548f86522f10cd05ba12fbe89e017fa07f050112b1a18163c83582f27c1cbce", kill_on_drop: false }`
[INFO] [stdout] c548f86522f10cd05ba12fbe89e017fa07f050112b1a18163c83582f27c1cbce
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-10-28" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 5e76edc88812476f21fef5d94eb6af8bd7bd004f56779b1d05aa36377cb6ece7
[INFO] running `Command { std: "docker" "start" "-a" "5e76edc88812476f21fef5d94eb6af8bd7bd004f56779b1d05aa36377cb6ece7", kill_on_drop: false }`
[INFO] [stderr] warning: missing documentation for a struct field
[INFO] [stderr]     --> src/lib.rs:1226:5
[INFO] [stderr]      |
[INFO] [stderr] 1226 |     pub char_slot: Option<char>,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr] note: the lint level is defined here
[INFO] [stderr]     --> src/lib.rs:108:9
[INFO] [stderr]      |
[INFO] [stderr]  108 | #![warn(missing_docs)]
[INFO] [stderr]      |         ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: missing documentation for a struct field
[INFO] [stderr]     --> src/lib.rs:1227:5
[INFO] [stderr]      |
[INFO] [stderr] 1227 |     pub has_char_slot: bool,
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `wasm_crossword_generator` (lib) generated 2 warnings
[INFO] [stderr] warning: `wasm_crossword_generator` (lib test) generated 2 warnings (2 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm_crossword_generator-64de12a1ec2de312)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/web.rs (/opt/rustwide/target/debug/deps/web-ccbbea4a967f4afb)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests wasm_crossword_generator
[INFO] [stdout] 
[INFO] [stdout] running 1 test
[INFO] [stdout] test src/lib.rs - (line 13) ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 1 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.30s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "5e76edc88812476f21fef5d94eb6af8bd7bd004f56779b1d05aa36377cb6ece7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5e76edc88812476f21fef5d94eb6af8bd7bd004f56779b1d05aa36377cb6ece7", kill_on_drop: false }`
[INFO] [stdout] 5e76edc88812476f21fef5d94eb6af8bd7bd004f56779b1d05aa36377cb6ece7