[INFO] cloning repository https://github.com/hobarak/rustio
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hobarak/rustio" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 96eda294585c48f3761859824ac97dbddd5393e1
[INFO] documenting hobarak/rustio against 1.46.0 for beta-1.47-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhobarak%2Frustio" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hobarak/rustio on toolchain 1.46.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/hobarak/rustio
[INFO] finished tweaking git repo https://github.com/hobarak/rustio
[INFO] tweaked toml for git repo https://github.com/hobarak/rustio written to /workspace/builds/worker-2/source/Cargo.toml
[INFO] crate git repo https://github.com/hobarak/rustio already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.46.0" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 569a79501a5a35abbf0dc7169b689e8e0e5b22cbd5b23424994b49a09cdf2143
[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" "569a79501a5a35abbf0dc7169b689e8e0e5b22cbd5b23424994b49a09cdf2143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "569a79501a5a35abbf0dc7169b689e8e0e5b22cbd5b23424994b49a09cdf2143", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "569a79501a5a35abbf0dc7169b689e8e0e5b22cbd5b23424994b49a09cdf2143", kill_on_drop: false }`
[INFO] [stdout] 569a79501a5a35abbf0dc7169b689e8e0e5b22cbd5b23424994b49a09cdf2143
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+1.46.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3fe6ab3ebf80a35789895cc1f4920f23d0bf4355f7592a1972f8084dbd1cc42b
[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" "3fe6ab3ebf80a35789895cc1f4920f23d0bf4355f7592a1972f8084dbd1cc42b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling syn v1.0.19
[INFO] [stderr]    Compiling futures-macro v0.3.4
[INFO] [stderr]     Checking futures-util v0.3.4
[INFO] [stderr]     Checking futures-executor v0.3.4
[INFO] [stderr]     Checking futures v0.3.4
[INFO] [stderr]  Documenting rustio v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: constant `Runtime` should have an upper case name
[INFO] [stdout]   --> src/futur.rs:29:10
[INFO] [stdout]    |
[INFO] [stdout] 29 |   static Runtime: Runtime = Runtime::new();
[INFO] [stdout]    |          ^^^^^^^ help: convert the identifier to upper case: `RUNTIME`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `currentToken` should have a snake case name
[INFO] [stdout]   --> src/libuv.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |     pub currentToken: Cell<Token>,
[INFO] [stdout]    |         ^^^^^^^^^^^^ help: convert the identifier to snake case: `current_token`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: structure field `eventLoop` should have a snake case name
[INFO] [stdout]   --> src/libuv.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     pub eventLoop: EventLoop,
[INFO] [stdout]    |         ^^^^^^^^^ help: convert the identifier to snake case: `event_loop`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 24.60s
[INFO] running `Command { std: "docker" "inspect" "3fe6ab3ebf80a35789895cc1f4920f23d0bf4355f7592a1972f8084dbd1cc42b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3fe6ab3ebf80a35789895cc1f4920f23d0bf4355f7592a1972f8084dbd1cc42b", kill_on_drop: false }`
[INFO] [stdout] 3fe6ab3ebf80a35789895cc1f4920f23d0bf4355f7592a1972f8084dbd1cc42b