[INFO] cloning repository https://github.com/ZhiXiao-Lin/rust-kvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ZhiXiao-Lin/rust-kvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a6d45fef927d1a513af05d0d082010c8a9c62d47
[INFO] documenting ZhiXiao-Lin/rust-kvm against 1.75.0 for beta-1.76-rustdoc-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZhiXiao-Lin/rust-kvm on toolchain 1.75.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ZhiXiao-Lin/rust-kvm
[INFO] finished tweaking git repo https://github.com/ZhiXiao-Lin/rust-kvm
[INFO] tweaked toml for git repo https://github.com/ZhiXiao-Lin/rust-kvm written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ZhiXiao-Lin/rust-kvm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.75.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 65010bb31b22602aabe4476986e15abfa6acdbe49788d7104a5cef040a20af30
[INFO] running `Command { std: "docker" "start" "-a" "65010bb31b22602aabe4476986e15abfa6acdbe49788d7104a5cef040a20af30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "65010bb31b22602aabe4476986e15abfa6acdbe49788d7104a5cef040a20af30", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "65010bb31b22602aabe4476986e15abfa6acdbe49788d7104a5cef040a20af30", kill_on_drop: false }`
[INFO] [stdout] 65010bb31b22602aabe4476986e15abfa6acdbe49788d7104a5cef040a20af30
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "doc" "--frozen" "--no-deps" "--document-private-items" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4e983af98534fcf3fa074a2abd2635392770072229f6b30c1d18214d38037e73
[INFO] running `Command { std: "docker" "start" "-a" "4e983af98534fcf3fa074a2abd2635392770072229f6b30c1d18214d38037e73", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]     Checking bitflags v1.3.2
[INFO] [stderr]    Compiling kvm-ioctls v0.11.0 (/opt/rustwide/workdir/crates/kvm-ioctls)
[INFO] [stderr]     Checking vmm-sys-util v0.9.0 (/opt/rustwide/workdir/crates/vmm-sys-util)
[INFO] [stderr]     Checking kvm-bindings v0.5.0 (/opt/rustwide/workdir/crates/kvm-bindings)
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/kvm-ioctls/src/ioctls/vcpu.rs:1535:13
[INFO] [stdout]      |
[INFO] [stdout] 1535 |         let mut kvm_run: &mut kvm_run = self.kvm_run_ptr.as_mut_ref();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/kvm-ioctls/src/ioctls/vcpu.rs:1557:13
[INFO] [stdout]      |
[INFO] [stdout] 1557 |         let mut kvm_run: &mut kvm_run = self.kvm_run_ptr.as_mut_ref();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/kvm-ioctls/src/ioctls/vcpu.rs:1579:13
[INFO] [stdout]      |
[INFO] [stdout] 1579 |         let mut kvm_run: &mut kvm_run = self.kvm_run_ptr.as_mut_ref();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/kvm-ioctls/src/ioctls/vcpu.rs:1601:13
[INFO] [stdout]      |
[INFO] [stdout] 1601 |         let mut kvm_run: &mut kvm_run = self.kvm_run_ptr.as_mut_ref();
[INFO] [stdout]      |             ----^^^^^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]  Documenting kvm v0.1.0 (/opt/rustwide/workdir/crates/kvm)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.66s
[INFO] [stderr]    Generated /opt/rustwide/target/doc/kvm/index.html
[INFO] running `Command { std: "docker" "inspect" "4e983af98534fcf3fa074a2abd2635392770072229f6b30c1d18214d38037e73", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e983af98534fcf3fa074a2abd2635392770072229f6b30c1d18214d38037e73", kill_on_drop: false }`
[INFO] [stdout] 4e983af98534fcf3fa074a2abd2635392770072229f6b30c1d18214d38037e73
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "RUSTC_BOOTSTRAP=1" "-e" "DOCS_RS=1" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+1.75.0" "rustdoc" "--lib" "-Zrustdoc-map" "-Z" "unstable-options" "--config" "build.rustdocflags=[\"-Z\", \"unstable-options\", \"--document-private-items\"]" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 726031d95318a06e783b036c11d0c59c94b65d8236224f6bfb0a427be3b726e7
[INFO] running `Command { std: "docker" "start" "-a" "726031d95318a06e783b036c11d0c59c94b65d8236224f6bfb0a427be3b726e7", kill_on_drop: false }`
[INFO] [stderr] error: manifest path `/opt/rustwide/workdir/Cargo.toml` is a virtual manifest, but this command requires running against an actual package in this workspace
[INFO] running `Command { std: "docker" "inspect" "726031d95318a06e783b036c11d0c59c94b65d8236224f6bfb0a427be3b726e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "726031d95318a06e783b036c11d0c59c94b65d8236224f6bfb0a427be3b726e7", kill_on_drop: false }`
[INFO] [stdout] 726031d95318a06e783b036c11d0c59c94b65d8236224f6bfb0a427be3b726e7
