[INFO] cloning repository https://github.com/0xtiger5/Hvisor-CPU-Verification
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/0xtiger5/Hvisor-CPU-Verification" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtiger5%2FHvisor-CPU-Verification", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtiger5%2FHvisor-CPU-Verification'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 1733a580e34865080f934b08f170dd4d26a9c08b
[INFO] checking 0xtiger5/Hvisor-CPU-Verification against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F0xtiger5%2FHvisor-CPU-Verification" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/0xtiger5/Hvisor-CPU-Verification
[INFO] finished tweaking git repo https://github.com/0xtiger5/Hvisor-CPU-Verification
[INFO] tweaked toml for git repo https://github.com/0xtiger5/Hvisor-CPU-Verification written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/0xtiger5/Hvisor-CPU-Verification on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/0xtiger5/Hvisor-CPU-Verification 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/verus-lang/verus`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7bd1c8ddce328698a1df612a4fa425a3e75f06e1239ddbd235fcbb005e8dbe8f
[INFO] running `Command { std: "docker" "start" "-a" "7bd1c8ddce328698a1df612a4fa425a3e75f06e1239ddbd235fcbb005e8dbe8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7bd1c8ddce328698a1df612a4fa425a3e75f06e1239ddbd235fcbb005e8dbe8f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7bd1c8ddce328698a1df612a4fa425a3e75f06e1239ddbd235fcbb005e8dbe8f", kill_on_drop: false }`
[INFO] [stdout] 7bd1c8ddce328698a1df612a4fa425a3e75f06e1239ddbd235fcbb005e8dbe8f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1539656808c2f994e13709d022829bf5f4379e0633f251eda383f2e325ea2cb8
[INFO] running `Command { std: "docker" "start" "-a" "1539656808c2f994e13709d022829bf5f4379e0633f251eda383f2e325ea2cb8", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.105
[INFO] [stderr]    Compiling verus_syn v0.0.0-2025-11-16-0050 (https://github.com/verus-lang/verus#b5900fea)
[INFO] [stderr]    Compiling verus_prettyplease v0.0.0-2025-11-16-0050 (https://github.com/verus-lang/verus#b5900fea)
[INFO] [stderr]    Compiling hashbrown v0.12.3
[INFO] [stderr]    Compiling vstd v0.0.0-2026-01-11-0057 (https://github.com/verus-lang/verus#b5900fea)
[INFO] [stderr]     Checking verus_builtin v0.0.0-2026-01-11-0057 (https://github.com/verus-lang/verus#b5900fea)
[INFO] [stderr]    Compiling indexmap v1.9.3
[INFO] [stderr]    Compiling quote v1.0.43
[INFO] [stderr]    Compiling syn v2.0.114
[INFO] [stderr]    Compiling synstructure v0.13.2
[INFO] [stderr]    Compiling verus_builtin_macros v0.0.0-2025-12-07-0054 (https://github.com/verus-lang/verus#b5900fea)
[INFO] [stderr]    Compiling verus_state_machines_macros v0.0.0-2025-11-23-0053 (https://github.com/verus-lang/verus#b5900fea)
[INFO] [stderr]     Checking hvisor-verification v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `cpu::*`
[INFO] [stdout]  --> src/arch/x86_64/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use cpu::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::*`
[INFO] [stdout]   --> src/arch/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use x86_64::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpuid`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn new(cpuid: usize) -> (result: Self)
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cpuid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cr_idx`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:215:22
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn cr(&self, cr_idx: usize) -> (result: usize)
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cr_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr_len`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:226:41
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn advance_guest_rip(&mut self, instr_len: u8) -> (result: Result<(), ()>)
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instr_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         entry: u64,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rsp`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         rsp: u64,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rsp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpuid`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:630:18
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn cpu_start(cpuid: usize, start_addr: usize, opaque: usize)
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_cpuid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_addr`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:630:32
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn cpu_start(cpuid: usize, start_addr: usize, opaque: usize)
[INFO] [stdout]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opaque`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:630:51
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn cpu_start(cpuid: usize, start_addr: usize, opaque: usize)
[INFO] [stdout]     |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hvisor-verification` (bin "hvisor-verification" test) due to 1 previous error; 11 warnings emitted
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:2:1
[INFO] [stdout]   |
[INFO] [stdout] 2 | #![feature(never_type)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused import: `cpu::*`
[INFO] [stdout]  --> src/arch/x86_64/mod.rs:3:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub use cpu::*;
[INFO] [stdout]   |         ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `x86_64::*`
[INFO] [stdout]   --> src/arch/mod.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 24 | pub use x86_64::*;
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpuid`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:170:16
[INFO] [stdout]     |
[INFO] [stdout] 170 |     pub fn new(cpuid: usize) -> (result: Self)
[INFO] [stdout]     |                ^^^^^ help: if this is intentional, prefix it with an underscore: `_cpuid`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cr_idx`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:215:22
[INFO] [stdout]     |
[INFO] [stdout] 215 |     pub fn cr(&self, cr_idx: usize) -> (result: usize)
[INFO] [stdout]     |                      ^^^^^^ help: if this is intentional, prefix it with an underscore: `_cr_idx`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr_len`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:226:41
[INFO] [stdout]     |
[INFO] [stdout] 226 |     pub fn advance_guest_rip(&mut self, instr_len: u8) -> (result: Result<(), ()>)
[INFO] [stdout]     |                                         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instr_len`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary `unsafe` block
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:256:9
[INFO] [stdout]     |
[INFO] [stdout] 256 |         unsafe {
[INFO] [stdout]     |         ^^^^^^ unnecessary `unsafe` block
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_unsafe)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `entry`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:486:9
[INFO] [stdout]     |
[INFO] [stdout] 486 |         entry: u64,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rsp`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:487:9
[INFO] [stdout]     |
[INFO] [stdout] 487 |         rsp: u64,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_rsp`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cpuid`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:630:18
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn cpu_start(cpuid: usize, start_addr: usize, opaque: usize)
[INFO] [stdout]     |                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_cpuid`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `start_addr`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:630:32
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn cpu_start(cpuid: usize, start_addr: usize, opaque: usize)
[INFO] [stdout]     |                                ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_start_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opaque`
[INFO] [stdout]    --> src/arch/x86_64/cpu.rs:630:51
[INFO] [stdout]     |
[INFO] [stdout] 630 | pub fn cpu_start(cpuid: usize, start_addr: usize, opaque: usize)
[INFO] [stdout]     |                                                   ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opaque`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hvisor-verification` (bin "hvisor-verification") due to 1 previous error; 11 warnings emitted
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1539656808c2f994e13709d022829bf5f4379e0633f251eda383f2e325ea2cb8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1539656808c2f994e13709d022829bf5f4379e0633f251eda383f2e325ea2cb8", kill_on_drop: false }`
[INFO] [stdout] 1539656808c2f994e13709d022829bf5f4379e0633f251eda383f2e325ea2cb8
