[INFO] fetching crate sled 0.34.4...
[INFO] documenting sled-0.34.4 against beta-2020-10-09 for beta-1.48-rustdoc-1
[INFO] extracting crate sled 0.34.4 into /workspace/builds/worker-1/source
[INFO] validating manifest of crates.io crate sled 0.34.4 on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate sled 0.34.4
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate sled 0.34.4
[INFO] tweaked toml for crates.io crate sled 0.34.4 written to /workspace/builds/worker-1/source/Cargo.toml
[INFO] crate crates.io crate sled 0.34.4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "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] fe22c407fc13525e85f7d9aa039af8d7ba857eb23bc9ee5838375e67af703c80
[INFO] running `Command { std: "docker" "start" "-a" "fe22c407fc13525e85f7d9aa039af8d7ba857eb23bc9ee5838375e67af703c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fe22c407fc13525e85f7d9aa039af8d7ba857eb23bc9ee5838375e67af703c80", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe22c407fc13525e85f7d9aa039af8d7ba857eb23bc9ee5838375e67af703c80", kill_on_drop: false }`
[INFO] [stdout] fe22c407fc13525e85f7d9aa039af8d7ba857eb23bc9ee5838375e67af703c80
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+beta-2020-10-09" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2732d4bf5048f85297013e0f947818d2e5ce93101b9d382c19c682a2642b1c8
[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" "a2732d4bf5048f85297013e0f947818d2e5ce93101b9d382c19c682a2642b1c8", kill_on_drop: false }`
[INFO] [stderr]     Checking fs2 v0.4.3
[INFO] [stderr]  Documenting sled v0.34.4 (/opt/rustwide/workdir)
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/arc.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             #[cold]
[INFO] [stdout]     |             ^^^^^^^
[INFO] [stdout] 144 |             std::process::abort();
[INFO] [stdout]     |             --------------------- not a function
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_attributes)]` 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] 
[INFO] [stdout] 
[INFO] [stdout] warning: attribute should be applied to a function
[INFO] [stdout]    --> src/config.rs:736:13
[INFO] [stdout]     |
[INFO] [stdout] 736 |               #[cold]
[INFO] [stdout]     |               ^^^^^^^
[INFO] [stdout] 737 |               #[allow(unsafe_code)]
[INFO] [stdout] 738 | /             unsafe {
[INFO] [stdout] 739 | |                 Err(ge.deref().clone())
[INFO] [stdout] 740 | |             }
[INFO] [stdout]     | |_____________- not a function
[INFO] [stdout]     |
[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] 
[INFO] [stdout] 
[INFO] [stdout] warning: unresolved link to `ENOMEM`
[INFO] [stdout]   --> src/sys_limits.rs:32:19
[INFO] [stdout]    |
[INFO] [stdout] 32 | /// errno set to [ENOMEM].
[INFO] [stdout]    |                   ^^^^^^ the module `sys_limits` contains no item named `ENOMEM`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(broken_intra_doc_links)]` on by default
[INFO] [stdout]    = help: to escape `[` and `]` characters, add '\' before them like `\[` or `\]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.72s
[INFO] running `Command { std: "docker" "inspect" "a2732d4bf5048f85297013e0f947818d2e5ce93101b9d382c19c682a2642b1c8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2732d4bf5048f85297013e0f947818d2e5ce93101b9d382c19c682a2642b1c8", kill_on_drop: false }`
[INFO] [stdout] a2732d4bf5048f85297013e0f947818d2e5ce93101b9d382c19c682a2642b1c8
