[INFO] fetching crate nucleus 0.1.1...
[INFO] documenting nucleus-0.1.1 against 1.46.0 for beta-1.47-rustdoc-1
[INFO] extracting crate nucleus 0.1.1 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate nucleus 0.1.1 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 crates.io crate nucleus 0.1.1
[INFO] finished tweaking crates.io crate nucleus 0.1.1
[INFO] tweaked toml for crates.io crate nucleus 0.1.1 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate nucleus 0.1.1 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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] 6021b105d79c2b0a7767930196ffe83f3bf1ceda2508579574ae162b607d1cf9
[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" "6021b105d79c2b0a7767930196ffe83f3bf1ceda2508579574ae162b607d1cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6021b105d79c2b0a7767930196ffe83f3bf1ceda2508579574ae162b607d1cf9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6021b105d79c2b0a7767930196ffe83f3bf1ceda2508579574ae162b607d1cf9", kill_on_drop: false }`
[INFO] [stdout] 6021b105d79c2b0a7767930196ffe83f3bf1ceda2508579574ae162b607d1cf9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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] [stdout] b689c518ae59c136fd31b92708824c7022d3e431e953eeb687167fe88f491cb5
[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" "b689c518ae59c136fd31b92708824c7022d3e431e953eeb687167fe88f491cb5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling anyhow v1.0.28
[INFO] [stderr]     Checking aho-corasick v0.7.10
[INFO] [stderr]     Checking regex v1.3.7
[INFO] [stderr]     Checking getrandom v0.1.14
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking termios v0.3.2
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.0
[INFO] [stderr]     Checking rand_core v0.5.1
[INFO] [stderr]     Checking rand_chacha v0.2.2
[INFO] [stderr]     Checking rand v0.7.3
[INFO] [stderr]     Checking console v0.11.2
[INFO] [stderr]     Checking tempfile v3.1.0
[INFO] [stderr]     Checking dialoguer v0.6.2
[INFO] [stderr]    Compiling syn-mid v0.5.0
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.2
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling proc-macro-error v1.0.2
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]    Compiling structopt-derive v0.4.7
[INFO] [stderr]     Checking structopt v0.3.14
[INFO] [stderr]  Documenting nucleus v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 28.08s
[INFO] running `Command { std: "docker" "inspect" "b689c518ae59c136fd31b92708824c7022d3e431e953eeb687167fe88f491cb5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b689c518ae59c136fd31b92708824c7022d3e431e953eeb687167fe88f491cb5", kill_on_drop: false }`
[INFO] [stdout] b689c518ae59c136fd31b92708824c7022d3e431e953eeb687167fe88f491cb5