[INFO] fetching crate librespot-core 0.1.3...
[INFO] documenting librespot-core-0.1.3 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate librespot-core 0.1.3 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate librespot-core 0.1.3 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 librespot-core 0.1.3
[INFO] finished tweaking crates.io crate librespot-core 0.1.3
[INFO] tweaked toml for crates.io crate librespot-core 0.1.3 written to /workspace/builds/worker-6/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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 93457b58a371c9752a513c9ebc46155a83ef774905a577848ca4ac6c049dbe07
[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" "93457b58a371c9752a513c9ebc46155a83ef774905a577848ca4ac6c049dbe07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93457b58a371c9752a513c9ebc46155a83ef774905a577848ca4ac6c049dbe07", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93457b58a371c9752a513c9ebc46155a83ef774905a577848ca4ac6c049dbe07", kill_on_drop: false }`
[INFO] [stdout] 93457b58a371c9752a513c9ebc46155a83ef774905a577848ca4ac6c049dbe07
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] b8459524f05ce8cdf069659dc381e5acc1bb8d0a5cb6a54e651d0d4a8d8f3428
[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" "b8459524f05ce8cdf069659dc381e5acc1bb8d0a5cb6a54e651d0d4a8d8f3428", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.14.0
[INFO] [stderr]    Compiling num-bigint v0.2.6
[INFO] [stderr]    Compiling time v0.1.44
[INFO] [stderr]    Compiling num-integer v0.1.43
[INFO] [stderr]     Checking shannon v0.2.0
[INFO] [stderr]    Compiling rand v0.7.3
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-udp v0.1.6
[INFO] [stderr]     Checking tokio-tcp v0.1.4
[INFO] [stderr]     Checking tokio-uds v0.2.7
[INFO] [stderr]    Compiling chrono v0.4.15
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking tokio-core v0.1.17
[INFO] [stderr]     Checking tokio-proto v0.1.1
[INFO] [stderr]    Compiling vergen v3.1.0
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling librespot-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling protobuf-codegen v2.14.0
[INFO] [stderr]     Checking hyper-proxy v0.4.1
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.14.0
[INFO] [stderr]    Compiling librespot-protocol v0.1.3
[INFO] [stderr]  Documenting librespot-core v0.1.3 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 06s
[INFO] running `Command { std: "docker" "inspect" "b8459524f05ce8cdf069659dc381e5acc1bb8d0a5cb6a54e651d0d4a8d8f3428", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b8459524f05ce8cdf069659dc381e5acc1bb8d0a5cb6a54e651d0d4a8d8f3428", kill_on_drop: false }`
[INFO] [stdout] b8459524f05ce8cdf069659dc381e5acc1bb8d0a5cb6a54e651d0d4a8d8f3428