[INFO] fetching crate spectacles 0.4.0...
[INFO] documenting spectacles-0.4.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate spectacles 0.4.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate spectacles 0.4.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate spectacles 0.4.0
[INFO] finished tweaking crates.io crate spectacles 0.4.0
[INFO] tweaked toml for crates.io crate spectacles 0.4.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded spectacles-brokers v1.4.0
[INFO] [stderr]   Downloaded kankyo v0.2.0
[INFO] [stderr]   Downloaded spectacles-proxy v0.4.0
[INFO] [stderr]   Downloaded spectacles-gateway v0.3.0
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 182fc7c6b8c0830dbe19fd25f577a0922a5e5f13e733239e646b7523fc140fbc
[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" "182fc7c6b8c0830dbe19fd25f577a0922a5e5f13e733239e646b7523fc140fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "182fc7c6b8c0830dbe19fd25f577a0922a5e5f13e733239e646b7523fc140fbc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "182fc7c6b8c0830dbe19fd25f577a0922a5e5f13e733239e646b7523fc140fbc", kill_on_drop: false }`
[INFO] [stdout] 182fc7c6b8c0830dbe19fd25f577a0922a5e5f13e733239e646b7523fc140fbc
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fa5e470cdcce7c833639c91a85dd4d0ed1f603441ca41b38b6855a7a3141cab7
[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" "fa5e470cdcce7c833639c91a85dd4d0ed1f603441ca41b38b6855a7a3141cab7", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde_json v1.0.57
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling cookie-factory v0.2.4
[INFO] [stderr]     Checking kankyo v0.2.0
[INFO] [stderr]     Checking futures-timer v0.1.1
[INFO] [stderr]    Compiling error-chain v0.12.4
[INFO] [stderr]    Compiling ryu v1.0.5
[INFO] [stderr]     Checking rand_hc v0.1.0
[INFO] [stderr]     Checking rand_xorshift v0.1.1
[INFO] [stderr]     Checking rand_isaac v0.1.1
[INFO] [stderr]     Checking want v0.2.0
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking hashbrown v0.1.8
[INFO] [stderr]     Checking rand_chacha v0.1.1
[INFO] [stderr]    Compiling unicase v2.6.0
[INFO] [stderr]    Compiling nom v4.2.3
[INFO] [stderr]     Checking flate2 v1.0.17
[INFO] [stderr]    Compiling walkdir v2.3.1
[INFO] [stderr]     Checking cookie v0.12.0
[INFO] [stderr]     Checking tokio-io v0.1.13
[INFO] [stderr]     Checking input_buffer v0.2.0
[INFO] [stderr]     Checking env_logger v0.6.2
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling serde_repr v0.1.6
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]    Compiling enum-as-inner v0.2.1
[INFO] [stderr]     Checking futures-backoff v0.1.0
[INFO] [stderr]     Checking futures-retry v0.3.3
[INFO] [stderr]     Checking serde v1.0.115
[INFO] [stderr]     Checking rand v0.6.5
[INFO] [stderr]    Compiling mime_guess v2.0.3
[INFO] [stderr]     Checking tokio-codec v0.1.2
[INFO] [stderr]     Checking tokio-reactor v0.1.12
[INFO] [stderr]     Checking tokio-fs v0.1.7
[INFO] [stderr]     Checking tokio-tls v0.2.1
[INFO] [stderr]     Checking h2 v0.1.26
[INFO] [stderr]     Checking publicsuffix v1.5.4
[INFO] [stderr]     Checking tungstenite v0.6.1
[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 pest_derive v2.1.0
[INFO] [stderr]     Checking tokio v0.1.22
[INFO] [stderr]     Checking parking_lot_core v0.4.0
[INFO] [stderr]     Checking uuid v0.7.4
[INFO] [stderr]     Checking trust-dns-proto v0.7.4
[INFO] [stderr]     Checking parking_lot v0.7.1
[INFO] [stderr]     Checking tokio-dns-unofficial v0.3.1
[INFO] [stderr]     Checking tokio-dns-unofficial v0.4.0
[INFO] [stderr]     Checking tokio-tungstenite v0.6.0
[INFO] [stderr]     Checking hyper v0.12.35
[INFO] [stderr]     Checking trust-dns-native-tls v0.6.3
[INFO] [stderr]     Checking trust-dns-resolver v0.11.1
[INFO] [stderr]     Checking serde_urlencoded v0.5.5
[INFO] [stderr]     Checking chrono v0.4.15
[INFO] [stderr]     Checking toml v0.4.10
[INFO] [stderr]     Checking hyper-tls v0.3.2
[INFO] [stderr]     Checking spectacles-proxy v0.4.0
[INFO] [stderr]     Checking handlebars v1.1.0
[INFO] [stderr]     Checking amq-protocol-types v1.2.0
[INFO] [stderr]     Checking cookie_store v0.7.0
[INFO] [stderr]     Checking spectacles-model v0.2.0
[INFO] [stderr]     Checking reqwest v0.9.24
[INFO] [stderr]     Checking amq-protocol-codegen v1.4.0
[INFO] [stderr]     Checking spectacles-gateway v0.3.0
[INFO] [stderr]    Compiling amq-protocol v1.4.0
[INFO] [stderr]     Checking lapin-async v0.18.0
[INFO] [stderr]     Checking lapin-futures v0.18.0
[INFO] [stderr]     Checking lapin-futures-tls-internal v0.7.1
[INFO] [stderr]     Checking lapin-futures-native-tls v0.10.1
[INFO] [stderr]     Checking spectacles-brokers v1.4.0
[INFO] [stderr]  Documenting spectacles v0.4.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 12s
[INFO] running `Command { std: "docker" "inspect" "fa5e470cdcce7c833639c91a85dd4d0ed1f603441ca41b38b6855a7a3141cab7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fa5e470cdcce7c833639c91a85dd4d0ed1f603441ca41b38b6855a7a3141cab7", kill_on_drop: false }`
[INFO] [stdout] fa5e470cdcce7c833639c91a85dd4d0ed1f603441ca41b38b6855a7a3141cab7