[INFO] fetching crate kvm-ioctls 0.2.0...
[INFO] checking kvm-ioctls-0.2.0 against try#ea663bba38739867a4b75ac820991b4f5d093c3b for pr-62262-1
[INFO] extracting crate kvm-ioctls 0.2.0 into /workspace/builds/worker-4/source
[INFO] validating manifest of crates.io crate kvm-ioctls 0.2.0 on toolchain ea663bba38739867a4b75ac820991b4f5d093c3b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate kvm-ioctls 0.2.0
[INFO] finished tweaking crates.io crate kvm-ioctls 0.2.0
[INFO] tweaked toml for crates.io crate kvm-ioctls 0.2.0 written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvm-bindings v0.1.1
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+ea663bba38739867a4b75ac820991b4f5d093c3b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 8cbcdc842d3705634507fd3db98c764c52a32db0083e449330b5fbc5cfc3ab24
[INFO] running `"docker" "start" "-a" "8cbcdc842d3705634507fd3db98c764c52a32db0083e449330b5fbc5cfc3ab24"`
[INFO] [stderr]     Checking kvm-bindings v0.1.1
[INFO] [stderr]     Checking kvm-ioctls v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ioctls/mod.rs:243:30
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn mmap_from_fd(fd: &AsRawFd, size: usize) -> Result<KvmRunWrapper> {
[INFO] [stderr]     |                              ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/ioctls/mod.rs:243:30
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn mmap_from_fd(fd: &AsRawFd, size: usize) -> Result<KvmRunWrapper> {
[INFO] [stderr]     |                              ^^^^^^^ help: use `dyn`: `dyn AsRawFd`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: the type `ioctls::CpuId` does not permit zero-initialization
[INFO] [stderr]    --> src/ioctls/system.rs:452:28
[INFO] [stderr]     |
[INFO] [stderr] 452 |         cpuid_2 = unsafe { std::mem::zeroed() };
[INFO] [stderr]     |                            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |                            |
[INFO] [stderr]     |                            this code causes undefined behavior when executed
[INFO] [stderr]     |                            help: use `MaybeUninit<T>` instead
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(invalid_value)]` on by default
[INFO] [stderr] note: std::ptr::Unique<kvm_bindings::kvm_cpuid2> must be non-null (in this struct field)
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.85s
[INFO] running `"docker" "inspect" "8cbcdc842d3705634507fd3db98c764c52a32db0083e449330b5fbc5cfc3ab24"`
[INFO] running `"docker" "rm" "-f" "8cbcdc842d3705634507fd3db98c764c52a32db0083e449330b5fbc5cfc3ab24"`
[INFO] [stdout] 8cbcdc842d3705634507fd3db98c764c52a32db0083e449330b5fbc5cfc3ab24