[INFO] fetching crate wasm_crossword_generator 0.0.4...
[INFO] testing wasm_crossword_generator-0.0.4 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate wasm_crossword_generator 0.0.4 into /workspace/builds/worker-1-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-1-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate wasm_crossword_generator 0.0.4 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] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 51 packages to latest compatible versions
[INFO] [stderr]       Adding getrandom v0.2.16 (available: v0.3.3)
[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: v0.5.5)
[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-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] df5264421e8c65f36f583d283bc9c2a2cf5a3231bbd9ed05966b8dcc13c5843f
[INFO] running `Command { std: "docker" "start" "-a" "df5264421e8c65f36f583d283bc9c2a2cf5a3231bbd9ed05966b8dcc13c5843f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "df5264421e8c65f36f583d283bc9c2a2cf5a3231bbd9ed05966b8dcc13c5843f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "df5264421e8c65f36f583d283bc9c2a2cf5a3231bbd9ed05966b8dcc13c5843f", kill_on_drop: false }`
[INFO] [stdout] df5264421e8c65f36f583d283bc9c2a2cf5a3231bbd9ed05966b8dcc13c5843f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] 0852aaa084fc3a92669d9e3c934fc1a506cba10ac54c9faf9448bfa95403bc83
[INFO] running `Command { std: "docker" "start" "-a" "0852aaa084fc3a92669d9e3c934fc1a506cba10ac54c9faf9448bfa95403bc83", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.19
[INFO] [stderr]    Compiling quote v1.0.41
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.104
[INFO] [stderr]    Compiling bumpalo v3.19.0
[INFO] [stderr]    Compiling libc v0.2.176
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling wasm-bindgen v0.2.104
[INFO] [stderr]    Compiling proc-macro2 v1.0.101
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling serde_json v1.0.145
[INFO] [stderr]    Compiling memchr v2.7.6
[INFO] [stderr]    Compiling syn v2.0.106
[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 rand v0.8.5
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.104
[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-support v0.2.104
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.104
[INFO] [stderr]    Compiling js-sys v0.3.81
[INFO] [stderr]    Compiling console_error_panic_hook v0.1.7
[INFO] [stderr]    Compiling web-sys v0.3.81
[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 38.16s
[INFO] running `Command { std: "docker" "inspect" "0852aaa084fc3a92669d9e3c934fc1a506cba10ac54c9faf9448bfa95403bc83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0852aaa084fc3a92669d9e3c934fc1a506cba10ac54c9faf9448bfa95403bc83", kill_on_drop: false }`
[INFO] [stdout] 0852aaa084fc3a92669d9e3c934fc1a506cba10ac54c9faf9448bfa95403bc83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] a45bdeb6c5de7280a1ff4d2cb7dbddfdd5976838118d8242f4eb1d5bd432c0ea
[INFO] running `Command { std: "docker" "start" "-a" "a45bdeb6c5de7280a1ff4d2cb7dbddfdd5976838118d8242f4eb1d5bd432c0ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling wasm-bindgen-test-macro v0.3.54
[INFO] [stderr]    Compiling wasm-bindgen-futures v0.4.54
[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 v0.3.54
[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 2.74s
[INFO] running `Command { std: "docker" "inspect" "a45bdeb6c5de7280a1ff4d2cb7dbddfdd5976838118d8242f4eb1d5bd432c0ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a45bdeb6c5de7280a1ff4d2cb7dbddfdd5976838118d8242f4eb1d5bd432c0ea", kill_on_drop: false }`
[INFO] [stdout] a45bdeb6c5de7280a1ff4d2cb7dbddfdd5976838118d8242f4eb1d5bd432c0ea
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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] e829582c0a5e4e047eacf2e71e2b20ac1179670634c3ea5572f472760b825bc8
[INFO] running `Command { std: "docker" "start" "-a" "e829582c0a5e4e047eacf2e71e2b20ac1179670634c3ea5572f472760b825bc8", 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 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/wasm_crossword_generator-1968318c6a066c0c)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]      Running tests/web.rs (/opt/rustwide/target/debug/deps/web-05ed3be9284dff5f)
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    Doc-tests wasm_crossword_generator
[INFO] [stdout] 
[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] [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 0.29s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "e829582c0a5e4e047eacf2e71e2b20ac1179670634c3ea5572f472760b825bc8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e829582c0a5e4e047eacf2e71e2b20ac1179670634c3ea5572f472760b825bc8", kill_on_drop: false }`
[INFO] [stdout] e829582c0a5e4e047eacf2e71e2b20ac1179670634c3ea5572f472760b825bc8