[INFO] cloning repository https://github.com/nayrpg/rustest_coaps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nayrpg/rustest_coaps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnayrpg%2Frustest_coaps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnayrpg%2Frustest_coaps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eed84369f12a3ded699a9cf666ef222fb146e2f8
[INFO] documenting nayrpg/rustest_coaps against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnayrpg%2Frustest_coaps" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/nayrpg/rustest_coaps 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 git repo https://github.com/nayrpg/rustest_coaps
[INFO] finished tweaking git repo https://github.com/nayrpg/rustest_coaps
[INFO] tweaked toml for git repo https://github.com/nayrpg/rustest_coaps written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/nayrpg/rustest_coaps 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 regex v1.1.5
[INFO] [stderr]   Downloaded bincode v0.3.0
[INFO] [stderr]   Downloaded openssl-src v111.2.1+1.1.1b
[INFO] [stderr]   Downloaded coap v0.7.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] 18226b2b0d6822f9b3c959339c4b2687b0e1c2319aa71695f5b8ee1236c4d029
[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" "18226b2b0d6822f9b3c959339c4b2687b0e1c2319aa71695f5b8ee1236c4d029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "18226b2b0d6822f9b3c959339c4b2687b0e1c2319aa71695f5b8ee1236c4d029", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "18226b2b0d6822f9b3c959339c4b2687b0e1c2319aa71695f5b8ee1236c4d029", kill_on_drop: false }`
[INFO] [stdout] 18226b2b0d6822f9b3c959339c4b2687b0e1c2319aa71695f5b8ee1236c4d029
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] dc008d9b4f2a67adfb5da62834c00f8aa60faa3b4768a484ba42da84ace2bf0b
[INFO] running `Command { std: "docker" "start" "-a" "dc008d9b4f2a67adfb5da62834c00f8aa60faa3b4768a484ba42da84ace2bf0b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]     Checking cfg-if v0.1.7
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling regex v1.1.5
[INFO] [stderr]    Compiling openssl v0.10.19
[INFO] [stderr]     Checking bincode v0.3.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking enum_primitive v0.1.1
[INFO] [stderr]     Checking log v0.4.6
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling openssl-src v111.2.1+1.1.1b
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking net2 v0.2.33
[INFO] [stderr]     Checking time v0.1.42
[INFO] [stderr]     Checking num_cpus v1.10.0
[INFO] [stderr]     Checking nix v0.5.1
[INFO] [stderr]     Checking threadpool v1.7.1
[INFO] [stderr]    Compiling openssl-sys v0.9.42
[INFO] [stderr]     Checking miow v0.1.5
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking mio v0.5.1
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking coap v0.7.4
[INFO] [stderr]  Documenting rustest_coaps v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2m 12s
[INFO] running `Command { std: "docker" "inspect" "dc008d9b4f2a67adfb5da62834c00f8aa60faa3b4768a484ba42da84ace2bf0b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc008d9b4f2a67adfb5da62834c00f8aa60faa3b4768a484ba42da84ace2bf0b", kill_on_drop: false }`
[INFO] [stdout] dc008d9b4f2a67adfb5da62834c00f8aa60faa3b4768a484ba42da84ace2bf0b