[INFO] cloning repository https://github.com/FrancisRussell/oocla-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/FrancisRussell/oocla-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Foocla-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FFrancisRussell%2Foocla-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 2f0a130945068ef4b1f578a97032012cf750a861
[INFO] documenting FrancisRussell/oocla-rs 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%2FFrancisRussell%2Foocla-rs" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/FrancisRussell/oocla-rs 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/FrancisRussell/oocla-rs
[INFO] finished tweaking git repo https://github.com/FrancisRussell/oocla-rs
[INFO] tweaked toml for git repo https://github.com/FrancisRussell/oocla-rs written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/FrancisRussell/oocla-rs 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 nix v0.9.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] 98d8cbd1c24f8c0c7312e803dab0d16ec438be7c63efda70908d5b81c45fd2d3
[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" "98d8cbd1c24f8c0c7312e803dab0d16ec438be7c63efda70908d5b81c45fd2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98d8cbd1c24f8c0c7312e803dab0d16ec438be7c63efda70908d5b81c45fd2d3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98d8cbd1c24f8c0c7312e803dab0d16ec438be7c63efda70908d5b81c45fd2d3", kill_on_drop: false }`
[INFO] [stdout] 98d8cbd1c24f8c0c7312e803dab0d16ec438be7c63efda70908d5b81c45fd2d3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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] [stdout] 6a72f606722f8a85d504d8d75e3946bbc0e8867ce456d1eb70f7e3fe711c6d0d
[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" "6a72f606722f8a85d504d8d75e3946bbc0e8867ce456d1eb70f7e3fe711c6d0d", kill_on_drop: false }`
[INFO] [stderr]     Checking nix v0.9.0
[INFO] [stderr]     Checking ooc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting ooc v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::io`
[INFO] [stdout]  --> src/dense_matrix.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `slice`
[INFO] [stdout]  --> src/dense_matrix.rs:8:21
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{mem, ptr, slice};
[INFO] [stdout]   |                     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/dense_matrix.rs:59:78
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn create(path: &Path, rows: u64, cols: u64) -> Result<Dense<T>, Box<Error>> where T: SupportedType {
[INFO] [stdout]    |                                                                              ^^^^^ help: use `dyn`: `dyn Error`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_data_length_elements`
[INFO] [stdout]   --> src/dense_matrix.rs:42:8
[INFO] [stdout]    |
[INFO] [stdout] 42 |     fn get_data_length_elements(&self) -> u64 {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `file`
[INFO] [stdout]   --> src/dense_matrix.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     file: File,
[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 7.06s
[INFO] running `Command { std: "docker" "inspect" "6a72f606722f8a85d504d8d75e3946bbc0e8867ce456d1eb70f7e3fe711c6d0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6a72f606722f8a85d504d8d75e3946bbc0e8867ce456d1eb70f7e3fe711c6d0d", kill_on_drop: false }`
[INFO] [stdout] 6a72f606722f8a85d504d8d75e3946bbc0e8867ce456d1eb70f7e3fe711c6d0d