[INFO] fetching crate twitter-stream 0.10.0...
[INFO] documenting twitter-stream-0.10.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate twitter-stream 0.10.0 into /workspace/builds/worker-14/source
[INFO] validating manifest of crates.io crate twitter-stream 0.10.0 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 twitter-stream 0.10.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate twitter-stream 0.10.0
[INFO] tweaked toml for crates.io crate twitter-stream 0.10.0 written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate crates.io crate twitter-stream 0.10.0 already has a lockfile, it will not be regenerated
[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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded tokio-io-timeout v0.4.0
[INFO] [stderr]   Downloaded slice-of-array v0.2.1
[INFO] [stderr]   Downloaded hyper-timeout v0.3.1
[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" "+beta-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7ae8785486d1206b2f0acb71228714ac5b005b6c90d37135d8f1f8204e13e60d
[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" "7ae8785486d1206b2f0acb71228714ac5b005b6c90d37135d8f1f8204e13e60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7ae8785486d1206b2f0acb71228714ac5b005b6c90d37135d8f1f8204e13e60d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7ae8785486d1206b2f0acb71228714ac5b005b6c90d37135d8f1f8204e13e60d", kill_on_drop: false }`
[INFO] [stdout] 7ae8785486d1206b2f0acb71228714ac5b005b6c90d37135d8f1f8204e13e60d
[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" "+beta-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e92f6fedc8214ebe63fe92201221d7599e1d55a9a1784dd942d89861f537037a
[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" "e92f6fedc8214ebe63fe92201221d7599e1d55a9a1784dd942d89861f537037a", kill_on_drop: false }`
[INFO] [stderr]     Checking slice-of-array v0.2.1
[INFO] [stderr]     Checking openssl-sys v0.9.58
[INFO] [stderr]     Checking bytes v0.4.12
[INFO] [stderr]    Compiling futures-macro v0.3.5
[INFO] [stderr]     Checking flate2 v1.0.16
[INFO] [stderr]     Checking tokio v0.2.21
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]     Checking string v0.2.1
[INFO] [stderr]     Checking async-compression v0.3.5
[INFO] [stderr]     Checking openssl v0.10.30
[INFO] [stderr]    Compiling proc-macro-crate v0.1.5
[INFO] [stderr]     Checking futures-util v0.3.5
[INFO] [stderr]    Compiling oauth1-request-derive v0.3.3
[INFO] [stderr]     Checking tokio-util v0.3.1
[INFO] [stderr]     Checking native-tls v0.2.4
[INFO] [stderr]     Checking tokio-tls v0.3.1
[INFO] [stderr]     Checking oauth1-request v0.3.2
[INFO] [stderr]     Checking h2 v0.2.5
[INFO] [stderr]     Checking hyper v0.13.6
[INFO] [stderr]     Checking hyper-tls v0.4.3
[INFO] [stderr]  Documenting twitter-stream v0.10.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 34.58s
[INFO] running `Command { std: "docker" "inspect" "e92f6fedc8214ebe63fe92201221d7599e1d55a9a1784dd942d89861f537037a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e92f6fedc8214ebe63fe92201221d7599e1d55a9a1784dd942d89861f537037a", kill_on_drop: false }`
[INFO] [stdout] e92f6fedc8214ebe63fe92201221d7599e1d55a9a1784dd942d89861f537037a