added mayhem stuff

.github/workflows/mayhem.yml

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+name: Mayhem
+on:
+    push:
+    pull_request:
+    workflow_dispatch:
+
+env:
+    REGISTRY: ghcr.io
+    IMAGE_NAME: ${{ github.repository }}
+    MAYHEMFILE: Mayhemfile
+
+jobs:
+    build:
+        name: "${{ matrix.os }} shared=${{ matrix.shared }} ${{ matrix.build_type }}"
+        runs-on: ${{ matrix.os }}
+        strategy:
+            matrix:
+                os: [ubuntu-latest]
+                shared: [false]
+                build_type: [Release]
+                include:
+                    - os: ubuntu-latest
+                      triplet: x64-linux
+
+        steps:
+            - uses: actions/checkout@v2
+
+            - name: Log in to the Container registry
+              uses: docker/login-action@f054a8b539a109f9f41c372932f1ae047eff08c9
+              with:
+                  registry: ${{ env.REGISTRY }}
+                  username: ${{ github.actor }}
+                  password: ${{ secrets.GITHUB_TOKEN }}
+
+            - name: Extract metadata (tags, labels) for Docker
+              id: meta
+              uses: docker/metadata-action@98669ae865ea3cffbcbaa878cf57c20bbf1c6c38
+              with:
+                  images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+
+            - name: Build and push Docker image
+              uses: docker/build-push-action@ad44023a93711e3deb337508980b4b5e9bcdc5dc
+              with:
+                  context: .
+                  push: true
+                  tags: ${{ steps.meta.outputs.tags }}
+                  labels: ${{ steps.meta.outputs.labels }}
+
+            - name: Start analysis
+              uses: ForAllSecure/mcode-action@v1
+              with:
+                  mayhem-token: ${{ secrets.MAYHEM_TOKEN }}
+                  args: --image ${{ steps.meta.outputs.tags }} --file ${{ env.MAYHEMFILE }}
+                  sarif-output: sarif
+
+            - name: Upload SARIF file(s)
+              uses: github/codeql-action/upload-sarif@v1
+              with:
+                  sarif_file: sarif

Dockerfile

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+
+FROM ubuntu:20.04 as builder
+
+## Install build dependencies.
+RUN apt-get update && \
+    DEBIAN_FRONTEND=noninteractive apt-get install -y cmake clang curl
+RUN curl --proto "=https" --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y
+RUN ${HOME}/.cargo/bin/rustup default nightly
+RUN ${HOME}/.cargo/bin/cargo install -f cargo-fuzz
+
+ADD . /trie
+WORKDIR /trie
+
+## TODO: ADD YOUR BUILD INSTRUCTIONS HERE.
+# RUN ${HOME}/.cargo/bin/cargo build --all
+RUN cd trie-db && \
+    cd fuzz && ${HOME}/.cargo/bin/cargo fuzz build
+
+# Package Stage
+FROM ubuntu:20.04
+
+
+## TODO: Change <Path in Builder Stage>
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/trie_root_new /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/trie_root /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/trie_root_fix_len /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/no_ext_insert /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/no_ext_insert_rem /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/prefix_iter /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/seek_iter /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/trie_proof_valid /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/trie_codec_proof /
+COPY --from=builder trie/trie-db/fuzz/target/x86_64-unknown-linux-gnu/release/trie_proof_invalid /

Mayhemfile

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+
+project: openml
+target: openml
+
+cmds:
+    - cmd: /trie_root_new
+    - cmd: /trie_root
+    - cmd: /trie_root_fix_len
+    - cmd: /no_ext_insert
+    - cmd: /prefix_iter
+    - cmd: /seek_iter
+    - cmd: /trie_proof_valid
+    - cmd: /trie_codec_proof
+    - cmd: /trie_proof_invalid