[INFO] fetching crate dat-network-protocol 0.3.0...
[INFO] testing dat-network-protocol-0.3.0 against beta-2021-01-01 for beta-1.50-1
[INFO] extracting crate dat-network-protocol 0.3.0 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate dat-network-protocol 0.3.0 on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-8/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded protobuf-codegen v2.10.1
[INFO] [stderr]   Downloaded protobuf-codegen-pure v2.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 08dd3381f4ec2ac6796659e34f41d681f1d012fd6615aa524cfb4b455f31840e
[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" "08dd3381f4ec2ac6796659e34f41d681f1d012fd6615aa524cfb4b455f31840e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "08dd3381f4ec2ac6796659e34f41d681f1d012fd6615aa524cfb4b455f31840e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "08dd3381f4ec2ac6796659e34f41d681f1d012fd6615aa524cfb4b455f31840e", kill_on_drop: false }`
[INFO] [stdout] 08dd3381f4ec2ac6796659e34f41d681f1d012fd6615aa524cfb4b455f31840e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d584ed94307bcd5e9eca5826393143f5a6919bbc62253a3c87c0800ddcb6dd74
[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" "d584ed94307bcd5e9eca5826393143f5a6919bbc62253a3c87c0800ddcb6dd74", 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 17.98s
[INFO] running `Command { std: "docker" "inspect" "d584ed94307bcd5e9eca5826393143f5a6919bbc62253a3c87c0800ddcb6dd74", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d584ed94307bcd5e9eca5826393143f5a6919bbc62253a3c87c0800ddcb6dd74", kill_on_drop: false }`
[INFO] [stdout] d584ed94307bcd5e9eca5826393143f5a6919bbc62253a3c87c0800ddcb6dd74
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3c4f73c75d6ff1ed28dd39783632d66c7eeb5309a5bc48394808840d5d09e241
[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" "3c4f73c75d6ff1ed28dd39783632d66c7eeb5309a5bc48394808840d5d09e241", kill_on_drop: false }`
[INFO] [stderr]    Compiling dat-network-protocol v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.81s
[INFO] running `Command { std: "docker" "inspect" "3c4f73c75d6ff1ed28dd39783632d66c7eeb5309a5bc48394808840d5d09e241", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3c4f73c75d6ff1ed28dd39783632d66c7eeb5309a5bc48394808840d5d09e241", kill_on_drop: false }`
[INFO] [stdout] 3c4f73c75d6ff1ed28dd39783632d66c7eeb5309a5bc48394808840d5d09e241
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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=warn" "-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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-01-01" "test" "--frozen", 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] cf4701900b5577180902d8906695d14f4fcb4e75a9fbe793c11a978b71f83ea8
[INFO] running `Command { std: "docker" "start" "-a" "cf4701900b5577180902d8906695d14f4fcb4e75a9fbe793c11a978b71f83ea8", kill_on_drop: false }`
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/dat_network_protocol-13aee8d851a15cc8
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests dat-network-protocol
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "cf4701900b5577180902d8906695d14f4fcb4e75a9fbe793c11a978b71f83ea8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4701900b5577180902d8906695d14f4fcb4e75a9fbe793c11a978b71f83ea8", kill_on_drop: false }`
[INFO] [stdout] cf4701900b5577180902d8906695d14f4fcb4e75a9fbe793c11a978b71f83ea8