[INFO] cloning repository https://github.com/fkaa/flu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fkaa/flu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ee8d2255d4c72a56b15009b1cc719dd8b3e82436
[INFO] documenting fkaa/flu against master#394e1b40d264aa6928811919c1124fa248e7d802 for pr-73566
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffkaa%2Fflu" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/fkaa/flu 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/fkaa/flu
[INFO] finished tweaking git repo https://github.com/fkaa/flu
[INFO] tweaked toml for git repo https://github.com/fkaa/flu written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/fkaa/flu 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 045ed15d1b5d34f27767e997500e78e8b0b48252e3bdca2ee58d454c79eeed8a
[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" "045ed15d1b5d34f27767e997500e78e8b0b48252e3bdca2ee58d454c79eeed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "045ed15d1b5d34f27767e997500e78e8b0b48252e3bdca2ee58d454c79eeed8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "045ed15d1b5d34f27767e997500e78e8b0b48252e3bdca2ee58d454c79eeed8a", kill_on_drop: false }`
[INFO] [stdout] 045ed15d1b5d34f27767e997500e78e8b0b48252e3bdca2ee58d454c79eeed8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] 0b5546758a26b5042cf1f7eada90a90567c70b7e9576fd1aa31a27ac6ab3dc69
[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" "0b5546758a26b5042cf1f7eada90a90567c70b7e9576fd1aa31a27ac6ab3dc69", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling gcc v0.3.11
[INFO] [stderr]    Compiling pkg-config v0.3.5
[INFO] [stderr]     Checking libc v0.2.8
[INFO] [stderr]    Compiling flu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stderr]  Documenting flu v0.0.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: type `nil` should have an upper camel case name
[INFO] [stdout]   --> src/lib.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 40 | pub struct nil;
[INFO] [stdout]    |            ^^^ help: convert the identifier to upper camel case: `Nil`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `L` should have a snake case name
[INFO] [stdout]   --> src/function.rs:84:36
[INFO] [stdout]    |
[INFO] [stdout] 84 | unsafe extern "C" fn fn_wrapper<F>(L: *mut ffi::lua_State) -> libc::c_int
[INFO] [stdout]    |                                    ^ help: convert the identifier to snake case: `l`
[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 6.90s
[INFO] running `Command { std: "docker" "inspect" "0b5546758a26b5042cf1f7eada90a90567c70b7e9576fd1aa31a27ac6ab3dc69", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0b5546758a26b5042cf1f7eada90a90567c70b7e9576fd1aa31a27ac6ab3dc69", kill_on_drop: false }`
[INFO] [stdout] 0b5546758a26b5042cf1f7eada90a90567c70b7e9576fd1aa31a27ac6ab3dc69