[INFO] fetching crate sc-tracing 2.0.0-rc6...
[INFO] documenting sc-tracing-2.0.0-rc6 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate sc-tracing 2.0.0-rc6 into /workspace/builds/worker-13/source
[INFO] validating manifest of crates.io crate sc-tracing 2.0.0-rc6 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 sc-tracing 2.0.0-rc6
[INFO] finished tweaking crates.io crate sc-tracing 2.0.0-rc6
[INFO] tweaked toml for crates.io crate sc-tracing 2.0.0-rc6 written to /workspace/builds/worker-13/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-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] a3d9f9282b0c208f2319b4ac488b3260d39b98247f9cf4b993f465cc22557843
[INFO] running `Command { std: "docker" "start" "-a" "a3d9f9282b0c208f2319b4ac488b3260d39b98247f9cf4b993f465cc22557843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a3d9f9282b0c208f2319b4ac488b3260d39b98247f9cf4b993f465cc22557843", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a3d9f9282b0c208f2319b4ac488b3260d39b98247f9cf4b993f465cc22557843", kill_on_drop: false }`
[INFO] [stdout] a3d9f9282b0c208f2319b4ac488b3260d39b98247f9cf4b993f465cc22557843
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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] efe26a1ee9d619268d7eccc17c7db47ff491857c96d73ec8ff03c10ec1b0ccaa
[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" "efe26a1ee9d619268d7eccc17c7db47ff491857c96d73ec8ff03c10ec1b0ccaa", kill_on_drop: false }`
[INFO] [stderr]     Checking futures-core v0.3.5
[INFO] [stderr]     Checking futures-io v0.3.5
[INFO] [stderr]    Compiling slog v2.5.2
[INFO] [stderr]     Checking c_linked_list v1.1.1
[INFO] [stderr]     Checking parity-send-wrapper v0.1.0
[INFO] [stderr]     Checking futures-task v0.3.5
[INFO] [stderr]    Compiling ring v0.16.15
[INFO] [stderr]     Checking regex-automata v0.1.9
[INFO] [stderr]     Checking tracing-log v0.1.1
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling petgraph v0.5.1
[INFO] [stderr]     Checking sha-1 v0.9.1
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking erased-serde v0.3.12
[INFO] [stderr]     Checking serde_json v1.0.57
[INFO] [stderr]     Checking tracing-serde v0.1.1
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]     Checking libsecp256k1 v0.3.5
[INFO] [stderr]     Checking futures-channel v0.3.5
[INFO] [stderr]     Checking async-channel v1.4.1
[INFO] [stderr]     Checking quicksink v0.1.2
[INFO] [stderr]     Checking ed25519-dalek v1.0.0
[INFO] [stderr]     Checking get_if_addrs v0.5.3
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]     Checking multihash v0.11.4
[INFO] [stderr]     Checking wasm-bindgen-futures v0.4.17
[INFO] [stderr]     Checking sp-tracing v2.0.0-rc6
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking parity-multiaddr v0.9.2
[INFO] [stderr]     Checking async-io v0.1.11
[INFO] [stderr]     Checking blocking v0.5.2
[INFO] [stderr]     Checking matchers v0.0.1
[INFO] [stderr]     Checking async-executor v0.1.2
[INFO] [stderr]    Compiling prost-build v0.6.1
[INFO] [stderr]     Checking async-std v1.6.3
[INFO] [stderr]     Checking tracing-subscriber v0.2.11
[INFO] [stderr]     Checking slog-scope v4.3.0
[INFO] [stderr]     Checking slog-json v2.3.0
[INFO] [stderr]    Compiling libp2p-core v0.20.1
[INFO] [stderr]     Checking webpki v0.21.3
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking rustls v0.18.1
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]     Checking webpki-roots v0.18.0
[INFO] [stderr]     Checking futures-executor v0.3.5
[INFO] [stderr]     Checking futures v0.3.5
[INFO] [stderr]     Checking multistream-select v0.8.2
[INFO] [stderr]     Checking rw-stream-sink v0.2.1
[INFO] [stderr]     Checking soketto v0.4.2
[INFO] [stderr]     Checking wasm-timer v0.2.5
[INFO] [stderr]     Checking async-tls v0.8.0
[INFO] [stderr]     Checking libp2p-dns v0.20.0
[INFO] [stderr]     Checking libp2p-wasm-ext v0.20.1
[INFO] [stderr]     Checking libp2p-websocket v0.21.1
[INFO] [stderr]     Checking libp2p-tcp v0.20.0
[INFO] [stderr]     Checking libp2p-swarm v0.20.1
[INFO] [stderr]     Checking libp2p v0.23.0
[INFO] [stderr]     Checking sc-telemetry v2.0.0-rc6
[INFO] [stderr]  Documenting sc-tracing v2.0.0-rc6 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 17s
[INFO] running `Command { std: "docker" "inspect" "efe26a1ee9d619268d7eccc17c7db47ff491857c96d73ec8ff03c10ec1b0ccaa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "efe26a1ee9d619268d7eccc17c7db47ff491857c96d73ec8ff03c10ec1b0ccaa", kill_on_drop: false }`
[INFO] [stdout] efe26a1ee9d619268d7eccc17c7db47ff491857c96d73ec8ff03c10ec1b0ccaa