[INFO] cloning repository https://github.com/cennznet/cennznut-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cennznet/cennznut-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcennznet%2Fcennznut-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcennznet%2Fcennznut-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1d07c84ca901bcfd6275470ea53688e81e92726d
[INFO] documenting cennznet/cennznut-rs against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcennznet%2Fcennznut-rs" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cennznet/cennznut-rs on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/cennznet/cennznut-rs
[INFO] finished tweaking git repo https://github.com/cennznet/cennznut-rs
[INFO] tweaked toml for git repo https://github.com/cennznet/cennznut-rs written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/cennznet/cennznut-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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] 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" "+1.46.0" "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] 90813b47dfe61d1bf9971375010945851d35757abd28b6dc180350fb7b1a2ab5
[INFO] running `Command { std: "docker" "start" "-a" "90813b47dfe61d1bf9971375010945851d35757abd28b6dc180350fb7b1a2ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90813b47dfe61d1bf9971375010945851d35757abd28b6dc180350fb7b1a2ab5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90813b47dfe61d1bf9971375010945851d35757abd28b6dc180350fb7b1a2ab5", kill_on_drop: false }`
[INFO] [stdout] 90813b47dfe61d1bf9971375010945851d35757abd28b6dc180350fb7b1a2ab5
[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" "+1.46.0" "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] 1fc791947248c0b88694ebba5f8b9e3fc0cd7aa6a32c72ea99f0e178278ffd12
[INFO] running `Command { std: "docker" "start" "-a" "1fc791947248c0b88694ebba5f8b9e3fc0cd7aa6a32c72ea99f0e178278ffd12", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.30
[INFO] [stderr]    Compiling getrandom v0.1.13
[INFO] [stderr]    Compiling ppv-lite86 v0.2.6
[INFO] [stderr]     Checking radium v0.3.0
[INFO] [stderr]     Checking bit_reverse v0.1.8
[INFO] [stderr]     Checking byte-slice-cast v0.3.4
[INFO] [stderr]     Checking arrayvec v0.5.1
[INFO] [stderr]     Checking itoa v0.4.5
[INFO] [stderr]    Compiling libc v0.2.66
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]     Checking bitvec v0.17.4
[INFO] [stderr]    Compiling c2-chacha v0.2.3
[INFO] [stderr]    Compiling rand_core v0.5.1
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.2
[INFO] [stderr]    Compiling pest_generator v2.1.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.11
[INFO] [stderr]    Compiling serde_derive v1.0.103
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling const-random-macro v0.1.6
[INFO] [stderr]     Checking const-random v0.1.6
[INFO] [stderr]     Checking ahash v0.2.18
[INFO] [stderr]     Checking hashbrown v0.6.3
[INFO] [stderr]     Checking pact v0.1.0 (https://github.com/cennznet/pact?branch=0.1.0#8a711951)
[INFO] [stderr]     Checking serde v1.0.103
[INFO] [stderr]     Checking serde_json v1.0.53
[INFO] [stderr]     Checking parity-scale-codec v1.3.0
[INFO] [stderr]  Documenting cennznut v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 46.90s
[INFO] running `Command { std: "docker" "inspect" "1fc791947248c0b88694ebba5f8b9e3fc0cd7aa6a32c72ea99f0e178278ffd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fc791947248c0b88694ebba5f8b9e3fc0cd7aa6a32c72ea99f0e178278ffd12", kill_on_drop: false }`
[INFO] [stdout] 1fc791947248c0b88694ebba5f8b9e3fc0cd7aa6a32c72ea99f0e178278ffd12