[INFO] fetching crate dat-network-protocol 0.3.0...
[INFO] checking dat-network-protocol-0.3.0 against beta for pr-78714
[INFO] extracting crate dat-network-protocol 0.3.0 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate dat-network-protocol 0.3.0 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 dat-network-protocol 0.3.0
[INFO] finished tweaking crates.io crate dat-network-protocol 0.3.0
[INFO] tweaked toml for crates.io crate dat-network-protocol 0.3.0 written to /workspace/builds/worker-1/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] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3dad451475ba75340ff027256918e6249a3bd4801f3f1031169fcbfa07755d5e
[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" "3dad451475ba75340ff027256918e6249a3bd4801f3f1031169fcbfa07755d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3dad451475ba75340ff027256918e6249a3bd4801f3f1031169fcbfa07755d5e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3dad451475ba75340ff027256918e6249a3bd4801f3f1031169fcbfa07755d5e", kill_on_drop: false }`
[INFO] [stdout] 3dad451475ba75340ff027256918e6249a3bd4801f3f1031169fcbfa07755d5e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1957564f45c6e251a9496263fd12ee45ac61e731013328c2065372e825e6fa93
[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" "1957564f45c6e251a9496263fd12ee45ac61e731013328c2065372e825e6fa93", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.10.1
[INFO] [stderr]    Compiling protobuf-codegen v2.10.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.10.1
[INFO] [stderr]    Compiling dat-network-protocol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.99s
[INFO] running `Command { std: "docker" "inspect" "1957564f45c6e251a9496263fd12ee45ac61e731013328c2065372e825e6fa93", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1957564f45c6e251a9496263fd12ee45ac61e731013328c2065372e825e6fa93", kill_on_drop: false }`
[INFO] [stdout] 1957564f45c6e251a9496263fd12ee45ac61e731013328c2065372e825e6fa93