[INFO] fetching crate fantoccini 0.14.1...
[INFO] documenting fantoccini-0.14.1 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate fantoccini 0.14.1 into /workspace/builds/worker-2/source
[INFO] validating manifest of crates.io crate fantoccini 0.14.1 on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate fantoccini 0.14.1
[INFO] finished tweaking crates.io crate fantoccini 0.14.1
[INFO] tweaked toml for crates.io crate fantoccini 0.14.1 written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cd897e2ca5c184cba41911002a5f15b740494c44b03bc95283825d89befb613a
[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" "cd897e2ca5c184cba41911002a5f15b740494c44b03bc95283825d89befb613a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd897e2ca5c184cba41911002a5f15b740494c44b03bc95283825d89befb613a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd897e2ca5c184cba41911002a5f15b740494c44b03bc95283825d89befb613a", kill_on_drop: false }`
[INFO] [stdout] cd897e2ca5c184cba41911002a5f15b740494c44b03bc95283825d89befb613a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.47.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--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] 9995ebd0869a20b4eae262eef989b25858958f5fabec504272538c28dd98ea97
[INFO] running `Command { std: "docker" "start" "-a" "9995ebd0869a20b4eae262eef989b25858958f5fabec504272538c28dd98ea97", 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Checking futures-io v0.3.6
[INFO] [stderr]     Checking urlencoding v1.1.1
[INFO] [stderr]    Compiling standback v0.2.11
[INFO] [stderr]    Compiling time v0.2.22
[INFO] [stderr]     Checking headers-core v0.2.0
[INFO] [stderr]     Checking buf_redux v0.8.4
[INFO] [stderr]     Checking twoway v0.1.8
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio v0.2.22
[INFO] [stderr]     Checking futures-util v0.3.6
[INFO] [stderr]     Checking tracing-futures v0.2.4
[INFO] [stderr]     Checking tungstenite v0.11.1
[INFO] [stderr]     Checking headers v0.3.2
[INFO] [stderr]     Checking multipart v0.17.0
[INFO] [stderr]    Compiling time-macros-impl v0.1.1
[INFO] [stderr]     Checking time-macros v0.1.1
[INFO] [stderr]     Checking futures v0.3.6
[INFO] [stderr]     Checking cookie v0.14.2
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking tokio-tungstenite v0.11.0
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking h2 v0.2.6
[INFO] [stderr]     Checking hyper v0.13.8
[INFO] [stderr]     Checking warp v0.2.5
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]     Checking webdriver v0.41.0
[INFO] [stderr]  Documenting fantoccini v0.14.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.22s
[INFO] running `Command { std: "docker" "inspect" "9995ebd0869a20b4eae262eef989b25858958f5fabec504272538c28dd98ea97", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9995ebd0869a20b4eae262eef989b25858958f5fabec504272538c28dd98ea97", kill_on_drop: false }`
[INFO] [stdout] 9995ebd0869a20b4eae262eef989b25858958f5fabec504272538c28dd98ea97
