[INFO] updating cached repository https://github.com/ainozaki/kvm-based-vmm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37800d81f58aaaefd9f129216bcaa3ca971bcfae
[INFO] checking ainozaki/kvm-based-vmm/37800d81f58aaaefd9f129216bcaa3ca971bcfae against master#5ad98b4026d5172f27615b105658bc8bfd677be8 for pr-129422
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fainozaki%2Fkvm-based-vmm" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ainozaki/kvm-based-vmm on toolchain 5ad98b4026d5172f27615b105658bc8bfd677be8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ainozaki/kvm-based-vmm
[INFO] finished tweaking git repo https://github.com/ainozaki/kvm-based-vmm
[INFO] tweaked toml for git repo https://github.com/ainozaki/kvm-based-vmm written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ainozaki/kvm-based-vmm 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" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1a0534c59c7e15cfa10bd0acf7d5e3dcb07b9cc358009a56c9af8a86267af07d
[INFO] running `Command { std: "docker" "start" "-a" "1a0534c59c7e15cfa10bd0acf7d5e3dcb07b9cc358009a56c9af8a86267af07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1a0534c59c7e15cfa10bd0acf7d5e3dcb07b9cc358009a56c9af8a86267af07d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1a0534c59c7e15cfa10bd0acf7d5e3dcb07b9cc358009a56c9af8a86267af07d", kill_on_drop: false }`
[INFO] [stdout] 1a0534c59c7e15cfa10bd0acf7d5e3dcb07b9cc358009a56c9af8a86267af07d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+5ad98b4026d5172f27615b105658bc8bfd677be8" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f7970d8258c9f8a092d5f9b00986fc4e54b8b6407f1aa9408275f1429b5927e5
[INFO] running `Command { std: "docker" "start" "-a" "f7970d8258c9f8a092d5f9b00986fc4e54b8b6407f1aa9408275f1429b5927e5", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.148
[INFO] [stderr]    Compiling kvm-ioctls v0.15.0
[INFO] [stderr]     Checking vmm-sys-util v0.11.1
[INFO] [stderr]     Checking kvm-bindings v0.6.0
[INFO] [stderr]     Checking kvm-based-hypervisor v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/kvm/vm.rs:120:42
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 VcpuExit::MmioRead(addr, data) => {
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/kvm/vm.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 VcpuExit::MmioWrite(addr, data) => {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guest_addr` is never read
[INFO] [stdout]   --> src/kvm/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Vm {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     guest_addr: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/kvm/vm.rs:120:42
[INFO] [stdout]     |
[INFO] [stdout] 120 |                 VcpuExit::MmioRead(addr, data) => {
[INFO] [stdout]     |                                          ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/kvm/vm.rs:123:43
[INFO] [stdout]     |
[INFO] [stdout] 123 |                 VcpuExit::MmioWrite(addr, data) => {
[INFO] [stdout]     |                                           ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `guest_addr` is never read
[INFO] [stdout]   --> src/kvm/vm.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 7  | pub struct Vm {
[INFO] [stdout]    |            -- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 11 |     guest_addr: u64,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 3 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "f7970d8258c9f8a092d5f9b00986fc4e54b8b6407f1aa9408275f1429b5927e5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7970d8258c9f8a092d5f9b00986fc4e54b8b6407f1aa9408275f1429b5927e5", kill_on_drop: false }`
[INFO] [stdout] f7970d8258c9f8a092d5f9b00986fc4e54b8b6407f1aa9408275f1429b5927e5