[INFO] fetching crate heim-virt 0.1.0-rc.1...
[INFO] documenting heim-virt-0.1.0-rc.1 against 1.54.0 for beta-1.55-rustdoc-1
[INFO] extracting crate heim-virt 0.1.0-rc.1 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate heim-virt 0.1.0-rc.1 on toolchain 1.54.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate heim-virt 0.1.0-rc.1
[INFO] finished tweaking crates.io crate heim-virt 0.1.0-rc.1
[INFO] tweaked toml for crates.io crate heim-virt 0.1.0-rc.1 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.54.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 3184ae28cfe2e695471e9128be3a84d10dbbc025140237808b2b6b66151bdcbf
[INFO] running `Command { std: "docker" "start" "-a" "3184ae28cfe2e695471e9128be3a84d10dbbc025140237808b2b6b66151bdcbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3184ae28cfe2e695471e9128be3a84d10dbbc025140237808b2b6b66151bdcbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3184ae28cfe2e695471e9128be3a84d10dbbc025140237808b2b6b66151bdcbf", kill_on_drop: false }`
[INFO] [stdout] 3184ae28cfe2e695471e9128be3a84d10dbbc025140237808b2b6b66151bdcbf
[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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+1.54.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e3d76ac9da8c63b611458d2dfb3af7c43d5765325f895eba5bfac369b99764b8
[INFO] running `Command { std: "docker" "start" "-a" "e3d76ac9da8c63b611458d2dfb3af7c43d5765325f895eba5bfac369b99764b8", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.98
[INFO] [stderr]     Checking futures-io v0.3.16
[INFO] [stderr]     Checking cache-padded v1.1.1
[INFO] [stderr]     Checking waker-fn v1.1.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.28
[INFO] [stderr]     Checking fastrand v1.5.0
[INFO] [stderr]     Checking parking v2.0.0
[INFO] [stderr]     Checking event-listener v2.5.1
[INFO] [stderr]     Checking once_cell v1.5.2
[INFO] [stderr]    Compiling syn v1.0.74
[INFO] [stderr]     Checking async-task v4.0.3
[INFO] [stderr]    Compiling futures-channel v0.3.16
[INFO] [stderr]    Compiling signal-hook v0.3.9
[INFO] [stderr]     Checking atomic-waker v1.0.0
[INFO] [stderr]     Checking futures-sink v0.3.16
[INFO] [stderr]    Compiling heim-common v0.1.0-rc.1
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling num-traits v0.2.14
[INFO] [stderr]    Compiling num-integer v0.1.44
[INFO] [stderr]    Compiling raw-cpuid v8.1.2
[INFO] [stderr]     Checking futures-lite v1.12.0
[INFO] [stderr]     Checking concurrent-queue v1.2.2
[INFO] [stderr]     Checking async-lock v2.4.0
[INFO] [stderr]     Checking async-channel v1.6.1
[INFO] [stderr]     Checking blocking v1.0.2
[INFO] [stderr]     Checking async-executor v1.4.1
[INFO] [stderr]    Compiling quote v1.0.9
[INFO] [stderr]     Checking async-fs v1.5.0
[INFO] [stderr]     Checking num-rational v0.3.2
[INFO] [stderr]     Checking socket2 v0.4.1
[INFO] [stderr]     Checking polling v2.1.0
[INFO] [stderr]     Checking signal-hook-registry v1.4.0
[INFO] [stderr]     Checking nix v0.19.1
[INFO] [stderr]     Checking async-io v1.6.0
[INFO] [stderr]     Checking uom v0.30.0
[INFO] [stderr]     Checking async-process v1.2.0
[INFO] [stderr]     Checking async-net v1.6.1
[INFO] [stderr]     Checking smol v1.2.5
[INFO] [stderr]    Compiling futures-macro v0.3.16
[INFO] [stderr]     Checking futures-util v0.3.16
[INFO] [stderr]     Checking futures v0.3.16
[INFO] [stderr]     Checking heim-runtime v0.1.0-rc.1
[INFO] [stderr]  Documenting heim-virt v0.1.0-rc.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:39:33
[INFO] [stdout]    |
[INFO] [stdout] 39 |     /// Kernel Virtual Machine (https://www.linux-kvm.org)
[INFO] [stdout]    |                                 ^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.linux-kvm.org>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(rustdoc::bare_urls)]` on by default
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:42:15
[INFO] [stdout]    |
[INFO] [stdout] 42 |     /// QEMU (https://www.qemu.org/)
[INFO] [stdout]    |               ^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.qemu.org/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:45:31
[INFO] [stdout]    |
[INFO] [stdout] 45 |     /// Bochs IA-32 emulator (http://bochs.sourceforge.net/)
[INFO] [stdout]    |                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://bochs.sourceforge.net/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:48:22
[INFO] [stdout]    |
[INFO] [stdout] 48 |     /// Xen project (https://xenproject.org/)
[INFO] [stdout]    |                      ^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://xenproject.org/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:51:26
[INFO] [stdout]    |
[INFO] [stdout] 51 |     /// User-Mode Linux (http://user-mode-linux.sourceforge.net/)
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://user-mode-linux.sourceforge.net/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:54:17
[INFO] [stdout]    |
[INFO] [stdout] 54 |     /// VMware (https://www.vmware.com)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.vmware.com>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:57:32
[INFO] [stdout]    |
[INFO] [stdout] 57 |     /// Oracle virtualization (https://www.oracle.com/virtualization/)
[INFO] [stdout]    |                                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.oracle.com/virtualization/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:60:28
[INFO] [stdout]    |
[INFO] [stdout] 60 |     /// Microsoft Hyper-V (http://www.microsoft.com/hyper-v)
[INFO] [stdout]    |                            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<http://www.microsoft.com/hyper-v>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:63:24
[INFO] [stdout]    |
[INFO] [stdout] 63 |     /// FreeBSD bhyve (https://wiki.freebsd.org/bhyve)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://wiki.freebsd.org/bhyve>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:66:20
[INFO] [stdout]    |
[INFO] [stdout] 66 |     /// Parallels (https://www.parallels.com/)
[INFO] [stdout]    |                    ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.parallels.com/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:69:25
[INFO] [stdout]    |
[INFO] [stdout] 69 |     /// QNX hypervisor (https://blackberry.qnx.com/en/products/hypervisor/index)
[INFO] [stdout]    |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://blackberry.qnx.com/en/products/hypervisor/index>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:72:26
[INFO] [stdout]    |
[INFO] [stdout] 72 |     /// ACRN hypervisor (https://projectacrn.org/)
[INFO] [stdout]    |                          ^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://projectacrn.org/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:76:45
[INFO] [stdout]    |
[INFO] [stdout] 76 |     /// `systemd-nspawn` container manager (https://www.freedesktop.org/wiki/Software/systemd/)
[INFO] [stdout]    |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.freedesktop.org/wiki/Software/systemd/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:79:24
[INFO] [stdout]    |
[INFO] [stdout] 79 |     /// `lxc-libvirt` (https://libvirt.org/drvlxc.html)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://libvirt.org/drvlxc.html>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:82:27
[INFO] [stdout]    |
[INFO] [stdout] 82 |     /// Linux Containers (https://linuxcontainers.org/lxc)
[INFO] [stdout]    |                           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://linuxcontainers.org/lxc>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:85:17
[INFO] [stdout]    |
[INFO] [stdout] 85 |     /// OpenVz (https://openvz.org/)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://openvz.org/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:88:17
[INFO] [stdout]    |
[INFO] [stdout] 88 |     /// Docker (https://www.docker.com/)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://www.docker.com/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:91:17
[INFO] [stdout]    |
[INFO] [stdout] 91 |     /// Podman (https://podman.io/)
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://podman.io/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:94:21
[INFO] [stdout]    |
[INFO] [stdout] 94 |     /// CoreOS rkt (https://coreos.com/rkt/)
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://coreos.com/rkt/>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: this URL is not a hyperlink
[INFO] [stdout]   --> src/lib.rs:97:24
[INFO] [stdout]    |
[INFO] [stdout] 97 |     /// Microsoft WSL (https://docs.microsoft.com/en-us/windows/wsl/about)
[INFO] [stdout]    |                        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use an automatic link instead: `<https://docs.microsoft.com/en-us/windows/wsl/about>`
[INFO] [stdout]    |
[INFO] [stdout]    = note: bare URLs are not automatically turned into clickable links
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 30.48s
[INFO] running `Command { std: "docker" "inspect" "e3d76ac9da8c63b611458d2dfb3af7c43d5765325f895eba5bfac369b99764b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e3d76ac9da8c63b611458d2dfb3af7c43d5765325f895eba5bfac369b99764b8", kill_on_drop: false }`
[INFO] [stdout] e3d76ac9da8c63b611458d2dfb3af7c43d5765325f895eba5bfac369b99764b8
