bug:docker build error about 3dp HOT 1 OPEN

=> ERROR [node builder 6/6] RUN --mount=type=cache,target=/usr/local/cargo/registry --mount=type=cache,target=/usr/local/cargo/git 2.1s

[node builder 6/6] RUN --mount=type=cache,target=/usr/local/cargo/registry --mount=type=cache,target=/usr/local/cargo/git --mount=type=cache,target=/app/target/release/build --mount=type=cache,target=/app/target/release/deps --mount=type=cache,target=/app/target/release/.fingerprint --mount=type=cache,target=/app/target/release/wbuild cargo build --release:
0.750 Compiling wasm-opt-cxx-sys v0.111.0
0.751 warning: Git command failed with status: exit status: 128
0.751 warning: Could not find .git/HEAD searching from /app/nodes/poscan-consensus upwards!
0.751 Compiling kvdb-rocksdb v0.15.2
0.754 Compiling poscan-algo v3.0.0 (/app/consensus/poscan_algo)
0.756 Compiling pallet-bounties v4.0.0-dev (https://github.com/paritytech/substrate?rev=b0777b4c7f7#b0777b4c)
0.757 Compiling pallet-rewards v2.8.0 (/app/pallets/rewards)
0.757 Compiling pallet-grandpa v4.0.0-dev (https://github.com/paritytech/substrate?rev=b0777b4c7f7#b0777b4c)
0.760 Compiling sc-finality-grandpa-rpc v0.10.0-dev (https://github.com/paritytech/substrate?rev=b0777b4c7f7#b0777b4c)
0.877 Compiling wasm-opt v0.111.0
0.966 Compiling sc-client-db v0.10.0-dev (https://github.com/paritytech/substrate?rev=b0777b4c7f7#b0777b4c)
0.998 error[E0599]: no method named is_finished found for struct JoinHandle in the current scope
0.998 --> consensus/poscan_algo/src/lib.rs:164:15
0.998 |
0.998 164 | if handler.is_finished() {
0.998 | ^^^^^^^^^^^ method not found in JoinHandle<(std::time::Duration, std::vec::Vec<sp_core::H256>)>
0.998
1.026 For more information about this error, try rustc --explain E0599.
1.032 error: could not compile poscan-algo due to previous error
1.032 warning: build failed, waiting for other jobs to finish...
2.031 error: build failed

failed to solve: process "/bin/sh -c cargo build --release" did not complete successfully: exit code: 101

from 3dp.