[INFO] cloning repository https://github.com/unknownue/outline-smoother
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/unknownue/outline-smoother" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funknownue%2Foutline-smoother", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funknownue%2Foutline-smoother'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b46932cadc949e02037d272a25e430292e254fe1
[INFO] documenting unknownue/outline-smoother against beta-2022-05-20 for beta-1.62-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Funknownue%2Foutline-smoother" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/unknownue/outline-smoother on toolchain beta-2022-05-20
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/unknownue/outline-smoother
[INFO] finished tweaking git repo https://github.com/unknownue/outline-smoother
[INFO] tweaked toml for git repo https://github.com/unknownue/outline-smoother written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/unknownue/outline-smoother already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-05-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 24425be3f2dc7daa0fef655830a5e17f834de9657d7d1757e1a722f0545e3da9
[INFO] running `Command { std: "docker" "start" "-a" "24425be3f2dc7daa0fef655830a5e17f834de9657d7d1757e1a722f0545e3da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "24425be3f2dc7daa0fef655830a5e17f834de9657d7d1757e1a722f0545e3da9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "24425be3f2dc7daa0fef655830a5e17f834de9657d7d1757e1a722f0545e3da9", kill_on_drop: false }`
[INFO] [stdout] 24425be3f2dc7daa0fef655830a5e17f834de9657d7d1757e1a722f0545e3da9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "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] 4162fe2fdabd11295eae00c65f26bb50e4c55064d3a8f87f00d1c7623447385b
[INFO] running `Command { std: "docker" "start" "-a" "4162fe2fdabd11295eae00c65f26bb50e4c55064d3a8f87f00d1c7623447385b", kill_on_drop: false }`
[INFO] [stderr]  Documenting outlier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking outlier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this method call resolves to `<&[T; N] as IntoIterator>::into_iter` (due to backwards compatibility), but will resolve to <[T; N] as IntoIterator>::into_iter in Rust 2021
[INFO] [stdout]   --> src/combine.rs:88:26
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for (i, p) in ranges.into_iter().enumerate() {
[INFO] [stdout]    |                          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this changes meaning in Rust 2021
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/IntoIterator-for-arrays.html>
[INFO] [stdout] help: use `.iter()` instead of `.into_iter()` to avoid ambiguity
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for (i, p) in ranges.iter().enumerate() {
[INFO] [stdout]    |                          ~~~~
[INFO] [stdout] help: or use `IntoIterator::into_iter(..)` instead of `.into_iter()` to explicitly iterate by value
[INFO] [stdout]    |
[INFO] [stdout] 88 |     for (i, p) in IntoIterator::into_iter(ranges).enumerate() {
[INFO] [stdout]    |                   ++++++++++++++++++++++++      ~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 5.82s
[INFO] running `Command { std: "docker" "inspect" "4162fe2fdabd11295eae00c65f26bb50e4c55064d3a8f87f00d1c7623447385b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4162fe2fdabd11295eae00c65f26bb50e4c55064d3a8f87f00d1c7623447385b", kill_on_drop: false }`
[INFO] [stdout] 4162fe2fdabd11295eae00c65f26bb50e4c55064d3a8f87f00d1c7623447385b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "RUSTFLAGS=--cap-lints=warn" "-e" "DOCS_RS=1" "-e" "RUSTC_BOOTSTRAP=1" "-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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d190cb871061d98bc6d0581d85cb2ecb09a0f8a142ba5463de30be9999fc3251" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-05-20" "rustdoc" "--lib" "-Zrustdoc-map" "--frozen" "--message-format=json" "--" "-Z" "unstable-options" "--document-private-items", 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] 8bd7b3618333b72153b9c6ab4db5357c792efb9a295aa716a3b2c476b87faf5b
[INFO] running `Command { std: "docker" "start" "-a" "8bd7b3618333b72153b9c6ab4db5357c792efb9a295aa716a3b2c476b87faf5b", kill_on_drop: false }`
[INFO] [stderr]  Documenting outlier v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.67s
[INFO] running `Command { std: "docker" "inspect" "8bd7b3618333b72153b9c6ab4db5357c792efb9a295aa716a3b2c476b87faf5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8bd7b3618333b72153b9c6ab4db5357c792efb9a295aa716a3b2c476b87faf5b", kill_on_drop: false }`
[INFO] [stdout] 8bd7b3618333b72153b9c6ab4db5357c792efb9a295aa716a3b2c476b87faf5b