[INFO] fetching crate netlify-ddns 0.2.4...
[INFO] documenting netlify-ddns-0.2.4 against 1.47.0 for beta-1.48-rustdoc-1
[INFO] extracting crate netlify-ddns 0.2.4 into /workspace/builds/worker-7/source
[INFO] validating manifest of crates.io crate netlify-ddns 0.2.4 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 netlify-ddns 0.2.4
[INFO] finished tweaking crates.io crate netlify-ddns 0.2.4
[INFO] tweaked toml for crates.io crate netlify-ddns 0.2.4 written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate crates.io crate netlify-ddns 0.2.4 already has a lockfile, it will not be regenerated
[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-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 5ee07978d94d632ef62a8c92df9c45f0833344019e09836b26044109f01d8f78
[INFO] running `Command { std: "docker" "start" "-a" "5ee07978d94d632ef62a8c92df9c45f0833344019e09836b26044109f01d8f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ee07978d94d632ef62a8c92df9c45f0833344019e09836b26044109f01d8f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ee07978d94d632ef62a8c92df9c45f0833344019e09836b26044109f01d8f78", kill_on_drop: false }`
[INFO] [stdout] 5ee07978d94d632ef62a8c92df9c45f0833344019e09836b26044109f01d8f78
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 013d8370c84b589b06f4b652dde705c93792966f6d452f281efa9fc4cddc4557
[INFO] running `Command { std: "docker" "start" "-a" "013d8370c84b589b06f4b652dde705c93792966f6d452f281efa9fc4cddc4557", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.16
[INFO] [stderr]    Compiling rustversion v1.0.2
[INFO] [stderr]     Checking untrusted v0.7.0
[INFO] [stderr]    Compiling standback v0.2.1
[INFO] [stderr]     Checking regex-syntax v0.6.16
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]     Checking chunked_transfer v1.0.0
[INFO] [stderr]     Checking base64 v0.12.0
[INFO] [stderr]    Compiling ring v0.16.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.33
[INFO] [stderr]     Checking aho-corasick v0.7.9
[INFO] [stderr]     Checking backtrace v0.3.45
[INFO] [stderr]     Checking regex v1.3.4
[INFO] [stderr]     Checking env_logger v0.7.1
[INFO] [stderr]     Checking webpki v0.21.2
[INFO] [stderr]     Checking sct v0.6.0
[INFO] [stderr]     Checking pretty_env_logger v0.4.0
[INFO] [stderr]     Checking rustls v0.17.0
[INFO] [stderr]     Checking webpki-roots v0.19.0
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking failure v0.1.7
[INFO] [stderr]    Compiling time v0.2.9
[INFO] [stderr]    Compiling time-macros-impl v0.1.0
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking time-macros v0.1.0
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking cookie v0.13.3
[INFO] [stderr]     Checking ureq v0.12.1
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]     Checking serde v1.0.106
[INFO] [stderr]     Checking serde_json v1.0.51
[INFO] [stderr]  Documenting netlify-ddns v0.2.4 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 53.41s
[INFO] running `Command { std: "docker" "inspect" "013d8370c84b589b06f4b652dde705c93792966f6d452f281efa9fc4cddc4557", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "013d8370c84b589b06f4b652dde705c93792966f6d452f281efa9fc4cddc4557", kill_on_drop: false }`
[INFO] [stdout] 013d8370c84b589b06f4b652dde705c93792966f6d452f281efa9fc4cddc4557
