[INFO] fetching crate roa-jsonrpc 0.5.0-alpha...
[INFO] checking roa-jsonrpc-0.5.0-alpha against beta for pr-78714
[INFO] extracting crate roa-jsonrpc 0.5.0-alpha into /workspace/builds/worker-12/source
[INFO] validating manifest of crates.io crate roa-jsonrpc 0.5.0-alpha on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate roa-jsonrpc 0.5.0-alpha
[INFO] finished tweaking crates.io crate roa-jsonrpc 0.5.0-alpha
[INFO] tweaked toml for crates.io crate roa-jsonrpc 0.5.0-alpha written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] fd5c924f76b2f34c61c2454c451b070650e70ca3d5481c77d5b917ca5f584b13
[INFO] running `Command { std: "docker" "start" "-a" "fd5c924f76b2f34c61c2454c451b070650e70ca3d5481c77d5b917ca5f584b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fd5c924f76b2f34c61c2454c451b070650e70ca3d5481c77d5b917ca5f584b13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fd5c924f76b2f34c61c2454c451b070650e70ca3d5481c77d5b917ca5f584b13", kill_on_drop: false }`
[INFO] [stdout] fd5c924f76b2f34c61c2454c451b070650e70ca3d5481c77d5b917ca5f584b13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 13dfe93035ee54df711789432813842940af4412c26ade45c9fdac860593cf90
[INFO] running `Command { std: "docker" "start" "-a" "13dfe93035ee54df711789432813842940af4412c26ade45c9fdac860593cf90", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.59
[INFO] [stderr]     Checking bytesize v1.0.1
[INFO] [stderr]    Compiling crossbeam-utils v0.7.2
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking extensions v0.2.0
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking crossbeam-queue v0.2.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking h2 v0.2.7
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]     Checking jsonrpc-v2 v0.5.3
[INFO] [stderr]     Checking hyper v0.13.9
[INFO] [stderr]     Checking roa-core v0.5.0
[INFO] [stderr]     Checking roa v0.5.2
[INFO] [stderr]     Checking roa-jsonrpc v0.5.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.29s
[INFO] running `Command { std: "docker" "inspect" "13dfe93035ee54df711789432813842940af4412c26ade45c9fdac860593cf90", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "13dfe93035ee54df711789432813842940af4412c26ade45c9fdac860593cf90", kill_on_drop: false }`
[INFO] [stdout] 13dfe93035ee54df711789432813842940af4412c26ade45c9fdac860593cf90