[INFO] cloning repository https://github.com/icclab/simple-rustvmm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/icclab/simple-rustvmm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficclab%2Fsimple-rustvmm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficclab%2Fsimple-rustvmm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46ab7e75a25762b75b2dbd2a5d43aed7c20ec74e
[INFO] checking icclab/simple-rustvmm against try#4a04890980766cc79878135f5ade8c0c4321e943 for pr-65819
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ficclab%2Fsimple-rustvmm" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/icclab/simple-rustvmm on toolchain 4a04890980766cc79878135f5ade8c0c4321e943
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/icclab/simple-rustvmm
[INFO] finished tweaking git repo https://github.com/icclab/simple-rustvmm
[INFO] tweaked toml for git repo https://github.com/icclab/simple-rustvmm written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/icclab/simple-rustvmm already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/kvm-ioctls`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vm-memory`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr] error: the lock file /workspace/builds/worker-3/source/Cargo.lock needs to be updated but --locked was passed to prevent this
[INFO] [stderr] If you want to try to generate the lock file without accessing the network, use the --offline flag.
[INFO] the lockfile is outdated, regenerating it
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/kvm-ioctls`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating git repository `https://github.com/rust-vmm/vm-memory`
[INFO] [stderr]     Updating git submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded kvm-bindings v0.2.0
[INFO] [stderr]   Downloaded kvm-bindings v0.4.0
[INFO] [stderr]   Downloaded vmm-sys-util v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/opt/rustwide/cargo-home/bin/cargo" "+4a04890980766cc79878135f5ade8c0c4321e943" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b06ce934c41c03a6ccd4dc6efec0cefe1770121b311c0a3a98e74eae7c733b8
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "5b06ce934c41c03a6ccd4dc6efec0cefe1770121b311c0a3a98e74eae7c733b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b06ce934c41c03a6ccd4dc6efec0cefe1770121b311c0a3a98e74eae7c733b8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b06ce934c41c03a6ccd4dc6efec0cefe1770121b311c0a3a98e74eae7c733b8", kill_on_drop: false }`
[INFO] [stdout] 5b06ce934c41c03a6ccd4dc6efec0cefe1770121b311c0a3a98e74eae7c733b8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/jobserver:/tmp/crater-runner-fifo:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "RUSTUP_TOOLCHAIN=4a04890980766cc79878135f5ade8c0c4321e943" "-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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:c46a2d1a26fb48b37929c74ca49dd9409f2375a0a3bdb8fe07617f3ffccaa889" "/tmp/crater-runner-fifo/jobserver-crater-fwd" "/opt/rustwide/cargo-home/bin/cargo" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f4d9dc9a6f2ee0f2d25c60157013fe0ca6ef52f0cbd4e2b2bc06a4c8dc4ce6b3
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "f4d9dc9a6f2ee0f2d25c60157013fe0ca6ef52f0cbd4e2b2bc06a4c8dc4ce6b3", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]     Checking vm-memory v0.5.0 (https://github.com/rust-vmm/vm-memory#4910107f)
[INFO] [stderr]     Checking vmm-sys-util v0.8.0
[INFO] [stderr]     Checking kvm-bindings v0.4.0
[INFO] [stderr]     Checking kvm-ioctls v0.8.0 (https://github.com/rust-vmm/kvm-ioctls?branch=master#8eee8cd7)
[INFO] [stderr]     Checking simple-rustkvm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0532]: expected unit struct, unit variant or constant, found tuple variant `VcpuExit::SystemEvent`
[INFO] [stdout]    --> src/main.rs:109:13
[INFO] [stdout]     |
[INFO] [stdout] 109 |             VcpuExit::SystemEvent => {}
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^^^^^^ help: use the tuple variant pattern syntax instead: `VcpuExit::SystemEvent(/* fields */)`
[INFO] [stdout]     | 
[INFO] [stdout]    ::: /opt/rustwide/cargo-home/git/checkouts/kvm-ioctls-bcddd84d5a561616/8eee8cd/src/ioctls/vcpu.rs:88:5
[INFO] [stdout]     |
[INFO] [stdout] 88  |     SystemEvent(u32 /* type */, u64 /* flags */),
[INFO] [stdout]     |     -------------------------------------------- `VcpuExit::SystemEvent` defined here
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0061]: this function takes 0 arguments but 1 argument was supplied
[INFO] [stdout]    --> src/main.rs:30:15
[INFO] [stdout]     |
[INFO] [stdout] 30  |     let mem = GuestMemoryMmap::new(&[(load_addr, mem_size)]).unwrap();
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^ ------------------------ supplied 1 argument
[INFO] [stdout]     |               |
[INFO] [stdout]     |               expected 0 arguments
[INFO] [stdout]     |
[INFO] [stdout] note: associated function defined here
[INFO] [stdout]    --> /opt/rustwide/cargo-home/git/checkouts/vm-memory-45203fe2fd3783a9/4910107/src/mmap.rs:479:12
[INFO] [stdout]     |
[INFO] [stdout] 479 |     pub fn new() -> Self {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0599]: no method named `unwrap` found for struct `vm_memory::GuestMemoryMmap` in the current scope
[INFO] [stdout]   --> src/main.rs:30:62
[INFO] [stdout]    |
[INFO] [stdout] 30 |     let mem = GuestMemoryMmap::new(&[(load_addr, mem_size)]).unwrap();
[INFO] [stdout]    |                                                              ^^^^^^ method not found in `vm_memory::GuestMemoryMmap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0308]: mismatched types
[INFO] [stdout]   --> src/main.rs:45:47
[INFO] [stdout]    |
[INFO] [stdout] 45 |         unsafe { vm_fd.set_user_memory_region(mem_region) }
[INFO] [stdout]    |                                               ^^^^^^^^^^ expected struct `kvm_bindings::x86::bindings_v4_20_0::kvm_userspace_memory_region`, found struct `kvm_bindings::kvm_userspace_memory_region`
[INFO] [stdout]    |
[INFO] [stdout]    = note: perhaps two different versions of crate `kvm_bindings` are being used?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 4 previous errors
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] Some errors have detailed explanations: E0061, E0308, E0532, E0599.
[INFO] [stdout] 
[INFO] [stdout] For more information about an error, try `rustc --explain E0061`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `simple-rustkvm`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f4d9dc9a6f2ee0f2d25c60157013fe0ca6ef52f0cbd4e2b2bc06a4c8dc4ce6b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f4d9dc9a6f2ee0f2d25c60157013fe0ca6ef52f0cbd4e2b2bc06a4c8dc4ce6b3", kill_on_drop: false }`
[INFO] [stdout] f4d9dc9a6f2ee0f2d25c60157013fe0ca6ef52f0cbd4e2b2bc06a4c8dc4ce6b3