[INFO] cloning repository https://github.com/justin-gerhardt/spotify-scaler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/justin-gerhardt/spotify-scaler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin-gerhardt%2Fspotify-scaler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin-gerhardt%2Fspotify-scaler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 651f212f273e785d4335e2e97b9c76c37cb1d0a9
[INFO] documenting justin-gerhardt/spotify-scaler against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjustin-gerhardt%2Fspotify-scaler" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/justin-gerhardt/spotify-scaler 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 git repo https://github.com/justin-gerhardt/spotify-scaler
[INFO] finished tweaking git repo https://github.com/justin-gerhardt/spotify-scaler
[INFO] tweaked toml for git repo https://github.com/justin-gerhardt/spotify-scaler written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/justin-gerhardt/spotify-scaler already has a lockfile, it will not be regenerated
[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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] 2cd611b3ab174d3557b80ea104f01e2fe19c785dd3692c80f3baf41a3209785e
[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" "2cd611b3ab174d3557b80ea104f01e2fe19c785dd3692c80f3baf41a3209785e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2cd611b3ab174d3557b80ea104f01e2fe19c785dd3692c80f3baf41a3209785e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2cd611b3ab174d3557b80ea104f01e2fe19c785dd3692c80f3baf41a3209785e", kill_on_drop: false }`
[INFO] [stdout] 2cd611b3ab174d3557b80ea104f01e2fe19c785dd3692c80f3baf41a3209785e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 7aa66786369b40ef6aaf6c82eaec19698f0f0b1f01a383e4229ff4bd7211eae4
[INFO] running `Command { std: "docker" "start" "-a" "7aa66786369b40ef6aaf6c82eaec19698f0f0b1f01a383e4229ff4bd7211eae4", kill_on_drop: false }`
[INFO] [stderr]    Compiling protobuf v2.8.1
[INFO] [stderr]    Compiling strsim v0.7.0
[INFO] [stderr]    Compiling ident_case v1.0.1
[INFO] [stderr]    Compiling nix v0.10.0
[INFO] [stderr]    Compiling derive_builder v0.7.2
[INFO] [stderr]     Checking linear-map v1.2.0
[INFO] [stderr]     Checking random v0.12.2
[INFO] [stderr]     Checking webbrowser v0.5.2
[INFO] [stderr]     Checking read-human v0.1.1
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]     Checking tokio-service v0.1.0
[INFO] [stderr]     Checking relay v0.1.1
[INFO] [stderr]    Compiling openssl-sys v0.9.53
[INFO] [stderr]     Checking getopts v0.2.21
[INFO] [stderr]     Checking rand_isaac v0.1.1
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[INFO] [stderr]     Checking rand_os v0.1.3
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking atty v0.2.13
[INFO] [stderr]     Checking rpassword v3.0.2
[INFO] [stderr]    Compiling time v0.1.42
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]     Checking shannon v0.2.0
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[INFO] [stderr]    Compiling backtrace-sys v0.1.32
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]     Checking signal-hook v0.1.12
[INFO] [stderr]     Checking stream-cipher v0.3.2
[INFO] [stderr]    Compiling syn v1.0.11
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking num-integer v0.1.41
[INFO] [stderr]     Checking tokio-io v0.1.12
[INFO] [stderr]     Checking mio-uds v0.6.7
[INFO] [stderr]     Checking aes-soft v0.3.3
[INFO] [stderr]     Checking block-modes v0.3.3
[INFO] [stderr]     Checking sha-1 v0.8.1
[INFO] [stderr]    Compiling backtrace v0.3.40
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]    Compiling darling_core v0.9.0
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]     Checking ctr v0.3.2
[INFO] [stderr]     Checking lewton v0.9.4
[INFO] [stderr]     Checking aes v0.3.2
[INFO] [stderr]     Checking num-bigint v0.2.3
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]     Checking aes-ctr v0.3.0
[INFO] [stderr]     Checking tokio-reactor v0.1.11
[INFO] [stderr]     Checking tokio-codec v0.1.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking tokio-threadpool v0.1.17
[INFO] [stderr]     Checking pbkdf2 v0.3.0
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling openssl v0.10.26
[INFO] [stderr]    Compiling native-tls v0.2.3
[INFO] [stderr]     Checking tokio-tcp v0.1.3
[INFO] [stderr]     Checking tokio-uds v0.2.5
[INFO] [stderr]     Checking tokio-udp v0.1.5
[INFO] [stderr]     Checking tokio-signal v0.2.7
[INFO] [stderr]     Checking tokio-process v0.2.4
[INFO] [stderr]     Checking tokio-fs v0.1.6
[INFO] [stderr]     Checking uuid v0.7.4
[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 darling_macro v0.9.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking hyper v0.11.27
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling protobuf-codegen v2.8.1
[INFO] [stderr]    Compiling darling v0.9.0
[INFO] [stderr]    Compiling derive_builder_core v0.5.0
[INFO] [stderr]    Compiling protobuf-codegen-pure v2.8.1
[INFO] [stderr]    Compiling serde_derive v1.0.104
[INFO] [stderr]    Compiling failure_derive v0.1.6
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking hyper-proxy v0.4.1
[INFO] [stderr]    Compiling failure v0.1.6
[INFO] [stderr]     Checking dotenv v0.13.0
[INFO] [stderr]     Checking id3 v0.3.0
[INFO] [stderr]    Compiling librespot-protocol v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]     Checking serde v1.0.104
[INFO] [stderr]     Checking serde_json v1.0.44
[INFO] [stderr]     Checking multimap v0.4.0
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.10
[INFO] [stderr]     Checking libmdns v0.2.4
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]    Compiling vergen v3.0.4
[INFO] [stderr]     Checking reqwest v0.9.17
[INFO] [stderr]     Checking rspotify v0.7.0
[INFO] [stderr]    Compiling librespot-core v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]     Checking librespot-audio v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]     Checking librespot-metadata v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]     Checking librespot-playback v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]     Checking librespot-connect v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]     Checking librespot v0.1.0 (https://github.com/philippe44/librespot?rev=7c182f5c1976ccf875afb1fcc95d229427158439#7c182f5c)
[INFO] [stderr]  Documenting spotify-scaler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 37s
[INFO] running `Command { std: "docker" "inspect" "7aa66786369b40ef6aaf6c82eaec19698f0f0b1f01a383e4229ff4bd7211eae4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7aa66786369b40ef6aaf6c82eaec19698f0f0b1f01a383e4229ff4bd7211eae4", kill_on_drop: false }`
[INFO] [stdout] 7aa66786369b40ef6aaf6c82eaec19698f0f0b1f01a383e4229ff4bd7211eae4