CI Failure (key symptom) in `wasm_transform_rpunit`

https://buildkite.com/redpanda/redpanda/builds/50356#01902754-6960-4c25-a282-5972db3073d5

INFO  2024-06-17 19:20:13,393 [shard 0:main] wasm - wasmtime.cc:774 - starting wasm vm test_wasm_transform
/var/lib/buildkite-agent/builds/buildkite-amd64-builders-i-083bdebd757c62810-1/redpanda/redpanda/src/v/wasm/tests/wasm_transform_test.cc:91: Failure
Expected equality of these values:
  schemas.size()
    Which is: 0
  1
INFO  2024-06-17 19:20:13,394 [shard 0:main] wasm - wasmtime.cc:791 - wasm vm test_wasm_transform finished
[  FAILED  ] WasmTestFixture.SchemaRegistry (15847 ms)

These might be relevant, too:

TRACE 2024-06-17 19:19:57,551 [shard 0:main] wasm - wasmtime.cc:528 - Transforming batch: {header_crc:1929836135, size_bytes:346, base_offset:0, type:batch_type::raft_data, crc:-1340331915, attrs:{compression:none, type:CreateTime, transactional: 0, control: 0}, last_offset_delta:0, first_timestamp:{timestamp: 1687201340524}, max_timestamp:{timestamp: 1687201340524}, producer_id:-1, producer_epoch:-1, base_sequence:0, record_count:1, ctx:{term:0, owner_shard:{0}}}
WARN  2024-06-17 19:19:57,551 [shard 0:main] wasm - wasmtime.cc:788 - wasm vm failed: wasm::wasm_exception (error while executing at wasm backtrace:
    0: 0x1784 - <unknown>!runtime._panic
    1: 0xbb34 - <unknown>!github.com/redpanda-data/redpanda/src/transform-sdk/go/transform.process
    2: 0xbc96 - <unknown>!github.com/redpanda-data/redpanda/src/transform-sdk/go/transform.OnRecordWritten
    3: 0x54e0 - <unknown>!main.main
    4: 0x54aa - <unknown>!runtime.run
    5: 0x54a0 - <unknown>!_start
note: using the `WASMTIME_BACKTRACE_DETAILS=1` environment variable may show more debugging information
Caused by:
    wasm trap: wasm `unreachable` instruction executed)
INFO  2024-06-17 19:19:57,551 [shard 0:main] wasm - wasmtime.cc:791 - wasm vm test_wasm_transform finished

JIRA Link: CORE-4208

redpanda-data / redpanda

CI Failure (key symptom) in `wasm_transform_rpunit` #19870