[INFO] cloning repository https://github.com/dufkan/meesign-cli
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dufkan/meesign-cli" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Fmeesign-cli", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Fmeesign-cli'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ac7b855dd5e54b919f883949094a4e52ab14d5b8
[INFO] checking dufkan/meesign-cli/ac7b855dd5e54b919f883949094a4e52ab14d5b8 against master#8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b for pr-133925
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdufkan%2Fmeesign-cli" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dufkan/meesign-cli on toolchain 8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dufkan/meesign-cli
[INFO] finished tweaking git repo https://github.com/dufkan/meesign-cli
[INFO] tweaked toml for git repo https://github.com/dufkan/meesign-cli written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dufkan/meesign-cli already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/crocs-muni/meesign-crypto.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Updating git repository `https://github.com/dufkan/frost.git`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/mpecdsa.git`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/curv`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/multi-party-ecdsa`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/rust-paillier`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/zk-paillier`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/centipede`
[INFO] [stderr]     Updating git repository `https://github.com/jirigav/bulletproofs`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded const-crc32 v1.3.0
[INFO] [stderr]   Downloaded visibility v0.1.0
[INFO] [stderr]   Downloaded ff_derive-zeroize v0.6.2
[INFO] [stderr]   Downloaded ff-zeroize v0.6.3
[INFO] [stderr]   Downloaded debugless-unwrap v0.0.4
[INFO] [stderr]   Downloaded round-based v0.1.7
[INFO] [stderr]   Downloaded elastic-elgamal v0.3.0
[INFO] [stderr]   Downloaded cbindgen v0.20.0
[INFO] [stderr]   Downloaded pairing-plus v0.19.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cdf3742e44c2bdd84ff18ef3244a7147176f4dfec5cbc3843cbdf51a11350ab5
[INFO] running `Command { std: "docker" "start" "-a" "cdf3742e44c2bdd84ff18ef3244a7147176f4dfec5cbc3843cbdf51a11350ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cdf3742e44c2bdd84ff18ef3244a7147176f4dfec5cbc3843cbdf51a11350ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cdf3742e44c2bdd84ff18ef3244a7147176f4dfec5cbc3843cbdf51a11350ab5", kill_on_drop: false }`
[INFO] [stdout] cdf3742e44c2bdd84ff18ef3244a7147176f4dfec5cbc3843cbdf51a11350ab5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:c80049f3b88b82089a44e0f06d0d6029d44b96b7257e55a1cd63dbc9f4c33334" "/opt/rustwide/cargo-home/bin/cargo" "+8321f00bf4a5f25cad5ec8861c5469afe6e0ce8b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 405c20771430a1380d551ba8d2c16ac0103898fdc97878ee6dc80c27e45f50e1
[INFO] running `Command { std: "docker" "start" "-a" "405c20771430a1380d551ba8d2c16ac0103898fdc97878ee6dc80c27e45f50e1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
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[INFO] [stderr]     Checking round-based v0.1.7
[INFO] [stderr]     Checking erased-serde v0.4.4
[INFO] [stderr]     Checking elastic-elgamal v0.3.0
[INFO] [stderr] error: failed to run custom build command for `meesign-cli v0.1.0 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/meesign-cli-ed14da54796a982c/build-script-build` (exit status: 1)
[INFO] [stderr]   --- stdout
[INFO] [stderr]   cargo:rerun-if-changed=proto/meesign.proto
[INFO] [stderr]   cargo:rerun-if-changed=proto
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   Error: Custom { kind: Other, error: "protoc failed: meesign.proto: This file contains proto3 optional fields, but --experimental_allow_proto3_optional was not set.\n" }
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "405c20771430a1380d551ba8d2c16ac0103898fdc97878ee6dc80c27e45f50e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "405c20771430a1380d551ba8d2c16ac0103898fdc97878ee6dc80c27e45f50e1", kill_on_drop: false }`
[INFO] [stdout] 405c20771430a1380d551ba8d2c16ac0103898fdc97878ee6dc80c27e45f50e1