[INFO] fetching crate warp-protobuf 0.1.0...
[INFO] documenting warp-protobuf-0.1.0 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate warp-protobuf 0.1.0 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate warp-protobuf 0.1.0 on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate warp-protobuf 0.1.0
[INFO] finished tweaking crates.io crate warp-protobuf 0.1.0
[INFO] tweaked toml for crates.io crate warp-protobuf 0.1.0 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 74a99e4996e98aef54ba6622af5be30718523ea1192b41d69cebec3a6b92ae98
[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" "74a99e4996e98aef54ba6622af5be30718523ea1192b41d69cebec3a6b92ae98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "74a99e4996e98aef54ba6622af5be30718523ea1192b41d69cebec3a6b92ae98", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "74a99e4996e98aef54ba6622af5be30718523ea1192b41d69cebec3a6b92ae98", kill_on_drop: false }`
[INFO] [stdout] 74a99e4996e98aef54ba6622af5be30718523ea1192b41d69cebec3a6b92ae98
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTDOCFLAGS=--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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 28d560ac492a5d62465239567ac7e7333af47eaf01ef0ad4409a6b35a11acb4e
[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" "28d560ac492a5d62465239567ac7e7333af47eaf01ef0ad4409a6b35a11acb4e", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]    Compiling prost-derive v0.6.1
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking prost v0.6.1
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]  Documenting warp-protobuf v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 37.06s
[INFO] running `Command { std: "docker" "inspect" "28d560ac492a5d62465239567ac7e7333af47eaf01ef0ad4409a6b35a11acb4e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "28d560ac492a5d62465239567ac7e7333af47eaf01ef0ad4409a6b35a11acb4e", kill_on_drop: false }`
[INFO] [stdout] 28d560ac492a5d62465239567ac7e7333af47eaf01ef0ad4409a6b35a11acb4e