[INFO] fetching crate viz-core 0.1.0-alpha...
[INFO] documenting viz-core-0.1.0-alpha against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate viz-core 0.1.0-alpha into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate viz-core 0.1.0-alpha 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 viz-core 0.1.0-alpha
[INFO] finished tweaking crates.io crate viz-core 0.1.0-alpha
[INFO] tweaked toml for crates.io crate viz-core 0.1.0-alpha written to /workspace/builds/worker-14/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] [stderr]     Blocking waiting for file lock on package cache
[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-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 59e5e89d1c4fd2a48067aeb721810ca4b16d146bebdb7bf65aa87fcd573edcd4
[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" "59e5e89d1c4fd2a48067aeb721810ca4b16d146bebdb7bf65aa87fcd573edcd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59e5e89d1c4fd2a48067aeb721810ca4b16d146bebdb7bf65aa87fcd573edcd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59e5e89d1c4fd2a48067aeb721810ca4b16d146bebdb7bf65aa87fcd573edcd4", kill_on_drop: false }`
[INFO] [stdout] 59e5e89d1c4fd2a48067aeb721810ca4b16d146bebdb7bf65aa87fcd573edcd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] b1b05ca30b145b85561242cf2606af5de5827a2c758c779ded68835f1e72a23a
[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" "b1b05ca30b145b85561242cf2606af5de5827a2c758c779ded68835f1e72a23a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking unchecked-index v0.2.2
[INFO] [stderr]     Checking mime-db v0.1.5
[INFO] [stderr]     Checking handle v1.0.0
[INFO] [stderr]     Checking futures-lite v0.1.11
[INFO] [stderr]    Compiling thiserror-impl v1.0.20
[INFO] [stderr]     Checking tracing v0.1.19
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]     Checking twoway v0.2.1
[INFO] [stderr]     Checking blocking v0.4.7
[INFO] [stderr]     Checking thiserror v1.0.20
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking smol v0.1.18
[INFO] [stderr]     Checking viz-utils v0.1.0-alpha
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking form-data v0.0.5
[INFO] [stderr]     Checking hyper v0.13.7
[INFO] [stderr]  Documenting viz-core v0.1.0-alpha (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.16s
[INFO] running `Command { std: "docker" "inspect" "b1b05ca30b145b85561242cf2606af5de5827a2c758c779ded68835f1e72a23a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b05ca30b145b85561242cf2606af5de5827a2c758c779ded68835f1e72a23a", kill_on_drop: false }`
[INFO] [stdout] b1b05ca30b145b85561242cf2606af5de5827a2c758c779ded68835f1e72a23a