[INFO] fetching crate exonum-proto 1.0.0-rc.2...
[INFO] checking exonum-proto-1.0.0-rc.2 against try#f88e9a4452e792c29632101b348a1df9876d45cd for pr-70087
[INFO] extracting crate exonum-proto 1.0.0-rc.2 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate exonum-proto 1.0.0-rc.2 on toolchain f88e9a4452e792c29632101b348a1df9876d45cd
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate exonum-proto 1.0.0-rc.2
[INFO] finished tweaking crates.io crate exonum-proto 1.0.0-rc.2
[INFO] tweaked toml for crates.io crate exonum-proto 1.0.0-rc.2 written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+f88e9a4452e792c29632101b348a1df9876d45cd" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 6f73a13b6fc764362690901da8b1b78cd46b8b51f3a16ed73db275a34d70239f
[INFO] running `"docker" "start" "-a" "6f73a13b6fc764362690901da8b1b78cd46b8b51f3a16ed73db275a34d70239f"`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling protoc v2.10.2
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling darling_core v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling darling_macro v0.10.2
[INFO] [stderr]    Compiling darling v0.10.2
[INFO] [stderr]    Compiling exonum-derive v1.0.0-rc.2
[INFO] [stderr]    Compiling protobuf v2.10.2
[INFO] [stderr]    Compiling protobuf-codegen v2.10.2
[INFO] [stderr]    Compiling protoc-rust v2.10.2
[INFO] [stderr]    Compiling exonum-build v1.0.0-rc.2
[INFO] [stderr]    Compiling protobuf-convert v0.3.0
[INFO] [stderr]    Compiling exonum-proto v1.0.0-rc.2 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 54s
[INFO] running `"docker" "inspect" "6f73a13b6fc764362690901da8b1b78cd46b8b51f3a16ed73db275a34d70239f"`
[INFO] running `"docker" "rm" "-f" "6f73a13b6fc764362690901da8b1b78cd46b8b51f3a16ed73db275a34d70239f"`
[INFO] [stdout] 6f73a13b6fc764362690901da8b1b78cd46b8b51f3a16ed73db275a34d70239f