[INFO] cloning repository https://github.com/chriskrycho/lightning-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/chriskrycho/lightning-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriskrycho%2Flightning-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fchriskrycho%2Flightning-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] fac72459a97ac1551eb612fd323efd93a887cfe1
[INFO] documenting chriskrycho/lightning-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%2Fchriskrycho%2Flightning-rs" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/chriskrycho/lightning-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/chriskrycho/lightning-rs
[INFO] finished tweaking git repo https://github.com/chriskrycho/lightning-rs
[INFO] tweaked toml for git repo https://github.com/chriskrycho/lightning-rs written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/chriskrycho/lightning-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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] cd8a7baee77cc2192225f750d3da3104caac119d7c8f55ae0b75658d314ac870
[INFO] running `Command { std: "docker" "start" "-a" "cd8a7baee77cc2192225f750d3da3104caac119d7c8f55ae0b75658d314ac870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cd8a7baee77cc2192225f750d3da3104caac119d7c8f55ae0b75658d314ac870", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cd8a7baee77cc2192225f750d3da3104caac119d7c8f55ae0b75658d314ac870", kill_on_drop: false }`
[INFO] [stdout] cd8a7baee77cc2192225f750d3da3104caac119d7c8f55ae0b75658d314ac870
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 095ffea4c0be77aabf9010bd7d533381f61bf087a36ecc2eae0709971d59cff0
[INFO] running `Command { std: "docker" "start" "-a" "095ffea4c0be77aabf9010bd7d533381f61bf087a36ecc2eae0709971d59cff0", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]     Checking byteorder v1.2.7
[INFO] [stderr]    Compiling flate2-crc v0.1.1
[INFO] [stderr]    Compiling plist v0.3.0
[INFO] [stderr]     Checking linked-hash-map v0.5.1
[INFO] [stderr]    Compiling pulldown-cmark v0.0.11
[INFO] [stderr]     Checking glob v0.2.11
[INFO] [stderr]    Compiling miniz-sys v0.1.11
[INFO] [stderr]    Compiling onig_sys v69.0.0
[INFO] [stderr]     Checking regex-syntax v0.6.3
[INFO] [stderr]     Checking quick-xml v0.4.2
[INFO] [stderr]    Compiling syn v0.15.21
[INFO] [stderr]     Checking base64 v0.9.3
[INFO] [stderr]     Checking yaml-rust v0.4.2
[INFO] [stderr]     Checking flate2 v1.0.5
[INFO] [stderr]    Compiling structopt-derive v0.2.13
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]     Checking onig v4.2.1
[INFO] [stderr]     Checking structopt v0.2.13
[INFO] [stderr]     Checking bincode v1.0.1
[INFO] [stderr]     Checking serde_json v1.0.33
[INFO] [stderr]     Checking serde_yaml v0.8.7
[INFO] [stderr]     Checking syntect v3.0.2
[INFO] [stderr]     Checking lightning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting lightning v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Path`
[INFO] [stdout]  --> src/builder.rs:7:17
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                 ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string()
[INFO] [stdout]   --> src/config.rs:44:51
[INFO] [stdout]    |
[INFO] [stdout] 44 |             .map_err(|reason| String::from(reason.description()))?;
[INFO] [stdout]    |                                                   ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `load_templates`
[INFO] [stdout]   --> src/builder.rs:88:4
[INFO] [stdout]    |
[INFO] [stdout] 88 | fn load_templates(_site_directory: &PathBuf, _config: &Config) -> Result<Paths, String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/validated_types.rs:10:12
[INFO] [stdout]    |
[INFO] [stdout] 10 |     pub fn new(unvalidated_url: &str) -> Result<Url, String> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `value`
[INFO] [stdout]   --> src/validated_types.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 |     pub fn value(&self) -> String {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 33.26s
[INFO] running `Command { std: "docker" "inspect" "095ffea4c0be77aabf9010bd7d533381f61bf087a36ecc2eae0709971d59cff0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "095ffea4c0be77aabf9010bd7d533381f61bf087a36ecc2eae0709971d59cff0", kill_on_drop: false }`
[INFO] [stdout] 095ffea4c0be77aabf9010bd7d533381f61bf087a36ecc2eae0709971d59cff0