[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] testing icclab/simple-rustvmm against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[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 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", 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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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 submodule `https://github.com/rust-vmm/rust-vmm-ci.git`
[INFO] [stderr]     Updating crates.io index
[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[INFO] the lockfile is outdated, regenerating it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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "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 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" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1776c43d2eb4503932457677a1a434e060406b3f61af52a316f9af582ee0a756
[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" "1776c43d2eb4503932457677a1a434e060406b3f61af52a316f9af582ee0a756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1776c43d2eb4503932457677a1a434e060406b3f61af52a316f9af582ee0a756", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1776c43d2eb4503932457677a1a434e060406b3f61af52a316f9af582ee0a756", kill_on_drop: false }`
[INFO] [stdout] 1776c43d2eb4503932457677a1a434e060406b3f61af52a316f9af582ee0a756
[INFO] running `Command { std: "docker" "create" "-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" "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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 00aa3a8019b72eba3ed0e1fd624a67577b6adc13c97b1352fa2dbfb9f1baf3b6
[INFO] running `Command { std: "docker" "start" "-a" "00aa3a8019b72eba3ed0e1fd624a67577b6adc13c97b1352fa2dbfb9f1baf3b6", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.73
[INFO] [stderr]    Compiling bitflags v1.2.1
[INFO] [stderr]    Compiling kvm-bindings v0.2.0
[INFO] [stderr]    Compiling vmm-sys-util v0.6.1
[INFO] [stderr]    Compiling vm-memory v0.2.0 (https://github.com/rust-vmm/vm-memory#0eeb18c0)
[INFO] [stderr]    Compiling kvm-bindings v0.3.0
[INFO] [stderr]    Compiling kvm-ioctls v0.5.0 (https://github.com/rust-vmm/kvm-ioctls?branch=master#c346b170)
[INFO] [stderr]    Compiling 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]     |             ^^^^^^^^^^^^^^^^^^^^^ did you mean `VcpuExit::SystemEvent( /* fields */ )`?
[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] 
[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" "00aa3a8019b72eba3ed0e1fd624a67577b6adc13c97b1352fa2dbfb9f1baf3b6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00aa3a8019b72eba3ed0e1fd624a67577b6adc13c97b1352fa2dbfb9f1baf3b6", kill_on_drop: false }`
[INFO] [stdout] 00aa3a8019b72eba3ed0e1fd624a67577b6adc13c97b1352fa2dbfb9f1baf3b6