[INFO] cloning repository https://github.com/jasonhansel/paraphrase
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jasonhansel/paraphrase" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonhansel%2Fparaphrase", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjasonhansel%2Fparaphrase'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ce446649cb3b9538fff5ad09560720368c7e7eab
[INFO] documenting jasonhansel/paraphrase 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%2Fjasonhansel%2Fparaphrase" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jasonhansel/paraphrase 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/jasonhansel/paraphrase
[INFO] finished tweaking git repo https://github.com/jasonhansel/paraphrase
[INFO] tweaked toml for git repo https://github.com/jasonhansel/paraphrase written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/jasonhansel/paraphrase 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] d68d6cef86ea1bbc8d0e8dce033274b33501c784bd213a23d442db278fb6d919
[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" "d68d6cef86ea1bbc8d0e8dce033274b33501c784bd213a23d442db278fb6d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d68d6cef86ea1bbc8d0e8dce033274b33501c784bd213a23d442db278fb6d919", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d68d6cef86ea1bbc8d0e8dce033274b33501c784bd213a23d442db278fb6d919", kill_on_drop: false }`
[INFO] [stdout] d68d6cef86ea1bbc8d0e8dce033274b33501c784bd213a23d442db278fb6d919
[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] 5d9db6cd0624ab9bea88b035afe63c45a2927ac5cffde457c71cfa7045c0d47a
[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" "5d9db6cd0624ab9bea88b035afe63c45a2927ac5cffde457c71cfa7045c0d47a", kill_on_drop: false }`
[INFO] [stderr]     Checking strsim v0.6.0
[INFO] [stderr]     Checking num-traits v0.1.42
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking futures-cpupool v0.1.8
[INFO] [stderr]     Checking clap v2.29.2
[INFO] [stderr]     Checking serde_json v1.0.9
[INFO] [stderr]     Checking structopt v0.1.7
[INFO] [stderr]    Compiling structopt-derive v0.1.6
[INFO] [stderr]  Documenting paraphrase v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/value.rs:76:50
[INFO] [stdout]    |
[INFO] [stdout] 76 |     fn split_at<'t>(&'t mut self, idx: usize) -> (ArcSlice) {
[INFO] [stdout]    |                                                  ^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `latest_tag` should have an upper case name
[INFO] [stdout]   --> src/scope.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | static latest_tag : AtomicUsize = AtomicUsize::new(0);
[INFO] [stdout]    |        ^^^^^^^^^^ help: convert the identifier to upper case: `LATEST_TAG`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.00s
[INFO] running `Command { std: "docker" "inspect" "5d9db6cd0624ab9bea88b035afe63c45a2927ac5cffde457c71cfa7045c0d47a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5d9db6cd0624ab9bea88b035afe63c45a2927ac5cffde457c71cfa7045c0d47a", kill_on_drop: false }`
[INFO] [stdout] 5d9db6cd0624ab9bea88b035afe63c45a2927ac5cffde457c71cfa7045c0d47a