[INFO] updating cached repository https://github.com/gregberns/rs-wiringpi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 04415b22db9335ff6c1ce90762942c49ccf01f97
[INFO] documenting gregberns/rs-wiringpi against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fgregberns%2Frs-wiringpi" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/gregberns/rs-wiringpi 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/gregberns/rs-wiringpi
[INFO] finished tweaking git repo https://github.com/gregberns/rs-wiringpi
[INFO] tweaked toml for git repo https://github.com/gregberns/rs-wiringpi written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/gregberns/rs-wiringpi 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-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 1cace0fcae72cac6cdd37c4d34a1f47179dec5edafa79916cf554e52e2027e19
[INFO] running `Command { std: "docker" "start" "-a" "1cace0fcae72cac6cdd37c4d34a1f47179dec5edafa79916cf554e52e2027e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cace0fcae72cac6cdd37c4d34a1f47179dec5edafa79916cf554e52e2027e19", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cace0fcae72cac6cdd37c4d34a1f47179dec5edafa79916cf554e52e2027e19", kill_on_drop: false }`
[INFO] [stdout] 1cace0fcae72cac6cdd37c4d34a1f47179dec5edafa79916cf554e52e2027e19
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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] e408a4843d713178255f7387ac7d950f7ac26dd539f81b7215f3b07040a3cecf
[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" "e408a4843d713178255f7387ac7d950f7ac26dd539f81b7215f3b07040a3cecf", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.0.0
[INFO] [stderr]     Checking rustc-serialize v0.3.24
[INFO] [stderr]    Compiling rs-wiringpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling num-traits v0.2.11
[INFO] [stderr]    Compiling num-integer v0.1.42
[INFO] [stderr]    Compiling num-iter v0.1.40
[INFO] [stderr]     Checking num-bigint v0.1.44
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-rational v0.1.42
[INFO] [stderr]     Checking num v0.1.42
[INFO] [stderr]     Checking stopwatch v0.0.7
[INFO] [stderr]  Documenting rs-wiringpi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` block uses type `fn()`, which is not FFI-safe
[INFO] [stdout]    --> src/wiringpi.rs:159:57
[INFO] [stdout]     |
[INFO] [stdout] 159 |     pub fn wiringPiISR(pin: c_int, mode: c_int, get_ir: fn()) -> c_int;
[INFO] [stdout]     |                                                         ^^^^ not FFI-safe
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(improper_ctypes)]` on by default
[INFO] [stdout]     = help: consider using an `extern fn(...) -> ...` function pointer instead
[INFO] [stdout]     = note: this function pointer has Rust-specific calling convention
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `irInit` should have a snake case name
[INFO] [stdout]    --> src/wiringpi.rs:298:4
[INFO] [stdout]     |
[INFO] [stdout] 298 | fn irInit() {
[INFO] [stdout]     |    ^^^^^^ help: convert the identifier to snake case: `ir_init`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` 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 13.91s
[INFO] running `Command { std: "docker" "inspect" "e408a4843d713178255f7387ac7d950f7ac26dd539f81b7215f3b07040a3cecf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e408a4843d713178255f7387ac7d950f7ac26dd539f81b7215f3b07040a3cecf", kill_on_drop: false }`
[INFO] [stdout] e408a4843d713178255f7387ac7d950f7ac26dd539f81b7215f3b07040a3cecf