[INFO] fetching crate kvm-sys 0.3.0...
[INFO] documenting kvm-sys-0.3.0 against beta-2020-08-29 for beta-1.47-rustdoc-1
[INFO] extracting crate kvm-sys 0.3.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate kvm-sys 0.3.0 on toolchain beta-2020-08-29
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking crates.io crate kvm-sys 0.3.0
[INFO] finished tweaking crates.io crate kvm-sys 0.3.0
[INFO] tweaked toml for crates.io crate kvm-sys 0.3.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate crates.io crate kvm-sys 0.3.0 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-08-29" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded errno v0.1.8
[INFO] [stderr]   Downloaded clippy v0.0.23
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-08-29" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2edc2f7cde92d207dea31484975e42bbac4dfda58dc36e863e80ddd4a85fa303
[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" "2edc2f7cde92d207dea31484975e42bbac4dfda58dc36e863e80ddd4a85fa303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2edc2f7cde92d207dea31484975e42bbac4dfda58dc36e863e80ddd4a85fa303", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2edc2f7cde92d207dea31484975e42bbac4dfda58dc36e863e80ddd4a85fa303", kill_on_drop: false }`
[INFO] [stdout] 2edc2f7cde92d207dea31484975e42bbac4dfda58dc36e863e80ddd4a85fa303
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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-2020-08-29" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 75eff022e69816862cc2e1d4d681c0f6efefecdc3573392fe6921cde96dadec1
[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" "75eff022e69816862cc2e1d4d681c0f6efefecdc3573392fe6921cde96dadec1", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]     Checking cfg-if v0.1.9
[INFO] [stderr]    Compiling kvm-sys v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stdout] warning: use of deprecated function `gcc::compile_library`: crate has been renamed to `cc`, the `gcc` name is not maintained
[INFO] [stdout]   --> build.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     gcc::compile_library("libkvm.a", &["src/kvm.c"]);
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking log v0.3.9
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking fs2 v0.2.5
[INFO] [stderr]     Checking errno v0.1.8
[INFO] [stderr]     Checking memmap v0.2.3
[INFO] [stderr]  Documenting kvm-sys v0.3.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.49s
[INFO] running `Command { std: "docker" "inspect" "75eff022e69816862cc2e1d4d681c0f6efefecdc3573392fe6921cde96dadec1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "75eff022e69816862cc2e1d4d681c0f6efefecdc3573392fe6921cde96dadec1", kill_on_drop: false }`
[INFO] [stdout] 75eff022e69816862cc2e1d4d681c0f6efefecdc3573392fe6921cde96dadec1