[INFO] fetching crate dgraph-rs 0.2.8...
[INFO] checking dgraph-rs-0.2.8 against beta for pr-78714
[INFO] extracting crate dgraph-rs 0.2.8 into /workspace/builds/worker-3/source
[INFO] validating manifest of crates.io crate dgraph-rs 0.2.8 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 dgraph-rs 0.2.8
[INFO] finished tweaking crates.io crate dgraph-rs 0.2.8
[INFO] tweaked toml for crates.io crate dgraph-rs 0.2.8 written to /workspace/builds/worker-3/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] running `Command { std: "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" "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] [stdout] 18f5627792237540401f9a2d3b37dd01b84fef517369ac74b952b65a9591616b
[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" "18f5627792237540401f9a2d3b37dd01b84fef517369ac74b952b65a9591616b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18f5627792237540401f9a2d3b37dd01b84fef517369ac74b952b65a9591616b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18f5627792237540401f9a2d3b37dd01b84fef517369ac74b952b65a9591616b", kill_on_drop: false }`
[INFO] [stdout] 18f5627792237540401f9a2d3b37dd01b84fef517369ac74b952b65a9591616b
[INFO] running `Command { std: "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" "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] 9aee8fcec85176725566969878c140ba9311f05d3b54bbbb839039293deb8bfd
[INFO] running `Command { std: "docker" "start" "-a" "9aee8fcec85176725566969878c140ba9311f05d3b54bbbb839039293deb8bfd", kill_on_drop: false }`
[INFO] [stderr]    Compiling log v0.4.11
[INFO] [stderr]    Compiling protobuf v2.8.2
[INFO] [stderr]     Checking futures-io v0.3.8
[INFO] [stderr]    Compiling httpbis v0.7.0
[INFO] [stderr]     Checking futures-task v0.3.8
[INFO] [stderr]     Checking tokio-timer v0.1.2
[INFO] [stderr]     Checking futures-timer v1.0.3
[INFO] [stderr]     Checking async-macros v1.0.0
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling futures-macro v0.3.8
[INFO] [stderr]     Checking unix_socket v0.5.0
[INFO] [stderr]     Checking async-task v1.3.1
[INFO] [stderr]    Compiling rand_chacha v0.2.2
[INFO] [stderr]     Checking rand_xoshiro v0.4.0
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking mio v0.6.22
[INFO] [stderr]     Checking tokio-threadpool v0.1.18
[INFO] [stderr]     Checking tls-api v0.1.22
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking kv-log-macro v1.0.7
[INFO] [stderr]    Compiling protoc v2.8.2
[INFO] [stderr]     Checking tls-api-stub v0.1.22
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-tls-api v0.1.22
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.8
[INFO] [stderr]     Checking async-std v1.0.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking futures-util v0.3.8
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-uds v0.1.7
[INFO] [stderr]     Checking grpc v0.6.2
[INFO] [stderr]    Compiling protobuf-codegen v2.8.2
[INFO] [stderr]     Checking futures-executor v0.3.8
[INFO] [stderr]     Checking futures v0.3.8
[INFO] [stderr]    Compiling grpc-compiler v0.6.2
[INFO] [stderr]    Compiling protoc-rust v2.8.2
[INFO] [stderr]    Compiling protoc-rust-grpc v0.6.2
[INFO] [stderr]    Compiling dgraph-rs v0.2.8 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 00s
[INFO] running `Command { std: "docker" "inspect" "9aee8fcec85176725566969878c140ba9311f05d3b54bbbb839039293deb8bfd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9aee8fcec85176725566969878c140ba9311f05d3b54bbbb839039293deb8bfd", kill_on_drop: false }`
[INFO] [stdout] 9aee8fcec85176725566969878c140ba9311f05d3b54bbbb839039293deb8bfd