[INFO] crate merkle_sigs 1.7.0 is already in cache
[INFO] testing merkle_sigs-1.7.0 against 1.45.2 for beta-1.46-1
[INFO] extracting crate merkle_sigs 1.7.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate merkle_sigs 1.7.0 on toolchain 1.45.2
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate merkle_sigs 1.7.0
[INFO] finished tweaking crates.io crate merkle_sigs 1.7.0
[INFO] tweaked toml for crates.io crate merkle_sigs 1.7.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.45.2" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c264e33e8c62ad1f44c486b2a2154806f19a3fe8a74a2520c594b8ff26ad30f5
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c264e33e8c62ad1f44c486b2a2154806f19a3fe8a74a2520c594b8ff26ad30f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c264e33e8c62ad1f44c486b2a2154806f19a3fe8a74a2520c594b8ff26ad30f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c264e33e8c62ad1f44c486b2a2154806f19a3fe8a74a2520c594b8ff26ad30f5", kill_on_drop: false }`
[INFO] [stdout] c264e33e8c62ad1f44c486b2a2154806f19a3fe8a74a2520c594b8ff26ad30f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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=warn" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+1.45.2" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e349d69a4cbfc8d5df1dd9a71cf0825ca7ca6c91fa1e13c119e212ff81615ffb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "e349d69a4cbfc8d5df1dd9a71cf0825ca7ca6c91fa1e13c119e212ff81615ffb", kill_on_drop: false }`
[INFO] [stderr]    Compiling untrusted v0.7.1
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]    Compiling protobuf v2.16.2
[INFO] [stderr]    Compiling lamport_sigs v0.7.0
[INFO] [stderr]    Compiling protobuf-codegen v2.16.2
[INFO] [stderr]    Compiling protoc-rust v2.16.2
[INFO] [stderr]    Compiling merkle v1.11.0
[INFO] [stderr] error: failed to run custom build command for `merkle v1.11.0`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/merkle-c1fc872e774172e5/build-script-build` (exit code: 1)
[INFO] [stderr] --- stderr
[INFO] [stderr] Build failed because merkle.rs could not find protobuf version 3.7.1
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] running `Command { std: "docker" "inspect" "e349d69a4cbfc8d5df1dd9a71cf0825ca7ca6c91fa1e13c119e212ff81615ffb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e349d69a4cbfc8d5df1dd9a71cf0825ca7ca6c91fa1e13c119e212ff81615ffb", kill_on_drop: false }`
[INFO] [stdout] e349d69a4cbfc8d5df1dd9a71cf0825ca7ca6c91fa1e13c119e212ff81615ffb