[INFO] fetching crate coap 0.8.1...
[INFO] documenting coap-0.8.1 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate coap 0.8.1 into /workspace/builds/worker-8/source
[INFO] validating manifest of crates.io crate coap 0.8.1 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 coap 0.8.1
[INFO] finished tweaking crates.io crate coap 0.8.1
[INFO] tweaked toml for crates.io crate coap 0.8.1 written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate crates.io crate coap 0.8.1 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]  Downloading crates ...
[INFO] [stderr]   Downloaded bytes v0.5.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 83503a145faddc1bba3a257d117492c54e60874ea647568f05e937420dc3aa69
[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" "83503a145faddc1bba3a257d117492c54e60874ea647568f05e937420dc3aa69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "83503a145faddc1bba3a257d117492c54e60874ea647568f05e937420dc3aa69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "83503a145faddc1bba3a257d117492c54e60874ea647568f05e937420dc3aa69", kill_on_drop: false }`
[INFO] [stdout] 83503a145faddc1bba3a257d117492c54e60874ea647568f05e937420dc3aa69
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] 70186f3cf2ed49be620049514bd6ff2b15cde76a1d6bb9696f1336d9070d8449
[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" "70186f3cf2ed49be620049514bd6ff2b15cde76a1d6bb9696f1336d9070d8449", 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]    Compiling syn v1.0.9
[INFO] [stderr]    Compiling memchr v2.2.1
[INFO] [stderr]    Compiling serde v1.0.103
[INFO] [stderr]     Checking smallvec v1.0.0
[INFO] [stderr]     Checking bytes v0.5.2
[INFO] [stderr]    Compiling num-derive v0.2.5
[INFO] [stderr]     Checking pin-project-lite v0.1.1
[INFO] [stderr]     Checking regex-syntax v0.6.12
[INFO] [stderr]     Checking futures-channel v0.3.1
[INFO] [stderr]    Compiling num-traits v0.2.10
[INFO] [stderr]    Compiling bincode v1.2.0
[INFO] [stderr]     Checking unicode-normalization v0.1.11
[INFO] [stderr]     Checking aho-corasick v0.7.6
[INFO] [stderr]     Checking idna v0.1.5
[INFO] [stderr]     Checking url v1.7.2
[INFO] [stderr]     Checking regex v1.3.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling tokio-macros v0.2.1
[INFO] [stderr]     Checking tokio v0.2.4
[INFO] [stderr]    Compiling futures-macro v0.3.1
[INFO] [stderr]     Checking futures-util v0.3.1
[INFO] [stderr]     Checking tokio-util v0.2.0
[INFO] [stderr]     Checking futures-executor v0.3.1
[INFO] [stderr]     Checking futures v0.3.1
[INFO] [stderr]  Documenting coap v0.8.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 32.56s
[INFO] running `Command { std: "docker" "inspect" "70186f3cf2ed49be620049514bd6ff2b15cde76a1d6bb9696f1336d9070d8449", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "70186f3cf2ed49be620049514bd6ff2b15cde76a1d6bb9696f1336d9070d8449", kill_on_drop: false }`
[INFO] [stdout] 70186f3cf2ed49be620049514bd6ff2b15cde76a1d6bb9696f1336d9070d8449