Fix error in docker

Dockerfile

@@ -1,4 +1,4 @@
-FROM rust:slim as builder
+FROM rust:slim-buster as builder
 RUN apt-get update && \
     apt-get install -y pkg-config libssl-dev && \
     rm -rf /var/lib/apt/lists/*

phase2/test.sh

@@ -42,4 +42,4 @@ cargo run --release --bin generate_verifier circom4.params verifier.sol
 # try to generate and verify proof
 npx snarkjs calculatewitness
 cargo run --release --bin prove circuit.json witness.json circom4.params proof.json public.json
-npx snarkjs verify --vk vk.json --proof proof.json
+npx snarkjs verify --vk vk.json --proof proof.json

powersoftau/test.sh

@@ -24,4 +24,4 @@ cargo run --release --bin verify_transform_constrained challenge3 response3 chal
 cargo run --release --bin beacon_constrained challenge4 response4 $SIZE $BATCH 0000000000000000000a558a61ddc8ee4e488d647a747fe4dcc362fe2026c620 10
 cargo run --release --bin verify_transform_constrained challenge4 response4 challenge5 $SIZE $BATCH
 
-cargo run --release --bin prepare_phase2 response4 $SIZE $BATCH
+cargo run --release --bin prepare_phase2 response4 $SIZE $BATCH