[INFO] cloning repository https://github.com/nomicflux/Rust8
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nomicflux/Rust8" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomicflux%2FRust8", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomicflux%2FRust8'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96434c99441d0fb172d9923849e8883c05e6fb82
[INFO] documenting nomicflux/Rust8 against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnomicflux%2FRust8" "/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/nomicflux/Rust8 on toolchain 394e1b40d264aa6928811919c1124fa248e7d802
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/nomicflux/Rust8
[INFO] finished tweaking git repo https://github.com/nomicflux/Rust8
[INFO] tweaked toml for git repo https://github.com/nomicflux/Rust8 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/nomicflux/Rust8 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ecd52fcb0338341d7e1f5239ad7d84a96eefc353418c951104a111413e44256c
[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" "ecd52fcb0338341d7e1f5239ad7d84a96eefc353418c951104a111413e44256c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ecd52fcb0338341d7e1f5239ad7d84a96eefc353418c951104a111413e44256c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ecd52fcb0338341d7e1f5239ad7d84a96eefc353418c951104a111413e44256c", kill_on_drop: false }`
[INFO] [stdout] ecd52fcb0338341d7e1f5239ad7d84a96eefc353418c951104a111413e44256c
[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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:819119df93c0f5eca3f29186f14981ef29945a311854d7222af07488600a2584" "/opt/rustwide/cargo-home/bin/cargo" "+394e1b40d264aa6928811919c1124fa248e7d802" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 228c8f9309e3c07b49c858138ce5bf27e8d148cafe72eb86c68a225440f305a4
[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" "228c8f9309e3c07b49c858138ce5bf27e8d148cafe72eb86c68a225440f305a4", kill_on_drop: false }`
[INFO] [stderr]     Checking libc v0.2.36
[INFO] [stderr]     Checking termios v0.3.0
[INFO] [stderr]     Checking rand v0.4.2
[INFO] [stderr]     Checking rust8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting rust8 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: use of deprecated item 'std::sync::ONCE_INIT': the `new` function is now preferred
[INFO] [stdout]   --> src/keyboard.rs:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | / lazy_static! {
[INFO] [stdout] 8  | |     static ref KEY_MAP: HashMap<char, u8> = [
[INFO] [stdout] 9  | |         ('1', 0),
[INFO] [stdout] 10 | |         ('2', 1),
[INFO] [stdout] ...  |
[INFO] [stdout] 28 | |         .collect();
[INFO] [stdout] 29 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this method call currently resolves to `<&[T] as IntoIterator>::into_iter` (due to autoref coercions), but that might change in the future when `IntoIterator` impls for arrays are added.
[INFO] [stdout]   --> src/ram.rs:28:32
[INFO] [stdout]    |
[INFO] [stdout] 28 |         for (i, &f) in fontset.into_iter().enumerate() {
[INFO] [stdout]    |                                ^^^^^^^^^ help: use `.iter()` instead of `.into_iter()` to avoid ambiguity: `iter`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(array_into_iter)]` on by default
[INFO] [stdout]    = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release!
[INFO] [stdout]    = note: for more information, see issue #66145 <https://github.com/rust-lang/rust/issues/66145>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.98s
[INFO] running `Command { std: "docker" "inspect" "228c8f9309e3c07b49c858138ce5bf27e8d148cafe72eb86c68a225440f305a4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "228c8f9309e3c07b49c858138ce5bf27e8d148cafe72eb86c68a225440f305a4", kill_on_drop: false }`
[INFO] [stdout] 228c8f9309e3c07b49c858138ce5bf27e8d148cafe72eb86c68a225440f305a4