Docker File Error no such file or directory: unknown

Error invoking remote method 'docker-start-container': Error: (HTTP code 400) unexpected - OCI runtime create failed: container_linux.go:367: starting container process caused: exec: "./target/release/packetcrypt": stat ./target/release/packetcrypt: no such file or directory: unknown

FROM ubuntu:20.04

RUN apt-get update

RUN apt-get install -y \
    build-essential \
    curl

RUN apt-get update

RUN curl -y --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs  | sh

RUN apt install make

RUN apt-get -y update

RUN apt-get -y install gcc git 

RUN apt-get -y update

RUN git clone https://github.com/cjdelisle/packetcrypt_rs 

ENV PATH=$PATH:/usr/local/packetcrypt_RS

CMD [ "~/", ".cargo/bin/cargo", "build", "--release" ]

CMD [ "./target/release/packetcrypt", "ann", "-p", "pkt1qd5skpmelkwvzy5vppqhafvmx0n5kqy97eglp00", "http://pool.pkteer.com " ]