[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] checking ZhiXiao-Lin/rust-kvm against master#5518eaa946291f00471af8b254b2a1715f234882 for pr-120393-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FZhiXiao-Lin%2Frust-kvm" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ZhiXiao-Lin/rust-kvm on toolchain 5518eaa946291f00471af8b254b2a1715f234882
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "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-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+5518eaa946291f00471af8b254b2a1715f234882" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14c05c95fa876ad65ba970b459fbd2d2617e7a26771b57a41ff43ec9dc32901f
[INFO] running `Command { std: "docker" "start" "-a" "14c05c95fa876ad65ba970b459fbd2d2617e7a26771b57a41ff43ec9dc32901f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14c05c95fa876ad65ba970b459fbd2d2617e7a26771b57a41ff43ec9dc32901f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14c05c95fa876ad65ba970b459fbd2d2617e7a26771b57a41ff43ec9dc32901f", kill_on_drop: false }`
[INFO] [stdout] 14c05c95fa876ad65ba970b459fbd2d2617e7a26771b57a41ff43ec9dc32901f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+5518eaa946291f00471af8b254b2a1715f234882" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1fe82d01565b7db79340917504084a61f7f669182707035897283d75af16410
[INFO] running `Command { std: "docker" "start" "-a" "b1fe82d01565b7db79340917504084a61f7f669182707035897283d75af16410", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.117
[INFO] [stderr]    Compiling kvm-ioctls v0.11.0 (/opt/rustwide/workdir/crates/kvm-ioctls)
[INFO] [stderr]    Compiling serde v1.0.136
[INFO] [stderr]     Checking byteorder v1.4.3
[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]     Checking kvm v0.1.0 (/opt/rustwide/workdir/crates/kvm)
[INFO] [stdout] warning: unused imports: `VcpuFd`, `VmFd`
[INFO] [stdout]  --> crates/kvm/src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use kvm_ioctls::{Kvm, VcpuFd, VmFd};
[INFO] [stdout]   |                       ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `kvm_userspace_memory_region` is imported redundantly
[INFO] [stdout]   --> crates/kvm/src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | use kvm_bindings::*;
[INFO] [stdout]    |     --------------- the item `kvm_userspace_memory_region` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     use kvm_bindings::kvm_userspace_memory_region;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `KVM_MEM_LOG_DIRTY_PAGES` is imported redundantly
[INFO] [stdout]   --> crates/kvm/src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | use kvm_bindings::*;
[INFO] [stdout]    |     --------------- the item `KVM_MEM_LOG_DIRTY_PAGES` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     use kvm_bindings::KVM_MEM_LOG_DIRTY_PAGES;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `VcpuFd`, `VmFd`
[INFO] [stdout]  --> crates/kvm/src/main.rs:9:23
[INFO] [stdout]   |
[INFO] [stdout] 9 | use kvm_ioctls::{Kvm, VcpuFd, VmFd};
[INFO] [stdout]   |                       ^^^^^^  ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `kvm_userspace_memory_region` is imported redundantly
[INFO] [stdout]   --> crates/kvm/src/main.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | use kvm_bindings::*;
[INFO] [stdout]    |     --------------- the item `kvm_userspace_memory_region` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 18 |     use kvm_bindings::kvm_userspace_memory_region;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `KVM_MEM_LOG_DIRTY_PAGES` is imported redundantly
[INFO] [stdout]   --> crates/kvm/src/main.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 7  | use kvm_bindings::*;
[INFO] [stdout]    |     --------------- the item `KVM_MEM_LOG_DIRTY_PAGES` is already imported here
[INFO] [stdout] ...
[INFO] [stdout] 19 |     use kvm_bindings::KVM_MEM_LOG_DIRTY_PAGES;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ioctl_with_val`
[INFO] [stdout]    --> crates/kvm/src/main.rs:156:38
[INFO] [stdout]     |
[INFO] [stdout] 156 |     use vmm_sys_util::ioctl::{ioctl, ioctl_with_val};
[INFO] [stdout]     |                                      ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> crates/kvm/src/main.rs:124:38
[INFO] [stdout]     |
[INFO] [stdout] 124 |             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]    --> crates/kvm/src/main.rs:127:39
[INFO] [stdout]     |
[INFO] [stdout] 127 |             VcpuExit::MmioWrite(addr, data) => {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[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: unused variable: `data`
[INFO] [stdout]    --> crates/kvm/src/main.rs:124:38
[INFO] [stdout]     |
[INFO] [stdout] 124 |             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: 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: unused variable: `data`
[INFO] [stdout]    --> crates/kvm/src/main.rs:127:39
[INFO] [stdout]     |
[INFO] [stdout] 127 |             VcpuExit::MmioWrite(addr, data) => {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[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: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> crates/kvm-ioctls/src/ioctls/vcpu.rs:2632:17
[INFO] [stdout]      |
[INFO] [stdout] 2632 |             let mut sync_regs = vcpu.sync_regs_mut();
[INFO] [stdout]      |                 ----^^^^^^^^^
[INFO] [stdout]      |                 |
[INFO] [stdout]      |                 help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking serde_json v1.0.78
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.68s
[INFO] running `Command { std: "docker" "inspect" "b1fe82d01565b7db79340917504084a61f7f669182707035897283d75af16410", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1fe82d01565b7db79340917504084a61f7f669182707035897283d75af16410", kill_on_drop: false }`
[INFO] [stdout] b1fe82d01565b7db79340917504084a61f7f669182707035897283d75af16410
