[INFO] fetching crate zkvmc-llvm 0.0.1...
[INFO] testing zkvmc-llvm-0.0.1 against master#ec6f9a5b4413f74386267ef8efc93712c2ce6db6 for pr-155739-1
[INFO] extracting crate zkvmc-llvm 0.0.1 into /workspace/builds/worker-6-tc1/source
[INFO] started tweaking crates.io crate zkvmc-llvm 0.0.1
[INFO] finished tweaking crates.io crate zkvmc-llvm 0.0.1
[INFO] tweaked toml for crates.io crate zkvmc-llvm 0.0.1 written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate zkvmc-llvm 0.0.1 on toolchain ec6f9a5b4413f74386267ef8efc93712c2ce6db6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate zkvmc-llvm 0.0.1 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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded zkvmc-backend v0.0.1
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 391edf6825f776f8500b19b3af165f089cec75b7308487c935ebb51dc3ce3149
[INFO] running `Command { std: "docker" "start" "-a" "391edf6825f776f8500b19b3af165f089cec75b7308487c935ebb51dc3ce3149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "391edf6825f776f8500b19b3af165f089cec75b7308487c935ebb51dc3ce3149", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "391edf6825f776f8500b19b3af165f089cec75b7308487c935ebb51dc3ce3149", kill_on_drop: false }`
[INFO] [stdout] 391edf6825f776f8500b19b3af165f089cec75b7308487c935ebb51dc3ce3149
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3795de9b8b4ae628a81d50d48b80d42bea67302ea17e83307ad9a477b5f79bd8
[INFO] running `Command { std: "docker" "start" "-a" "3795de9b8b4ae628a81d50d48b80d42bea67302ea17e83307ad9a477b5f79bd8", kill_on_drop: false }`
[INFO] [stderr]    Compiling zkvmc-backend v0.0.1
[INFO] [stderr]    Compiling zkvmc-llvm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/backend.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get_reg(&mut self, index: u32) -> Self::Value {
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/backend.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/backend.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn set_next_pc(&mut self, pc: u32) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fetch_u32(&mut self, addr: u32) -> u32 {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn const_value(&mut self, val: u32) -> Self::Value {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/backend.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         width: zkvmc_backend::Width,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         addr: Self::Value,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/backend.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:40:73
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:48:39
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shift`
[INFO] [stdout]   --> src/backend.rs:64:48
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         val: Self::Value,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shift`
[INFO] [stdout]   --> src/backend.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         shift: Self::Value,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         a: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         b: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:90:42
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         a: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         b: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]    --> src/backend.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/backend.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         a: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/backend.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         b: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/backend.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn jump(&mut self, target: Self::Value) {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/backend.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn undefined(&mut self, instr: u32) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/backend.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         cond: zkvmc_backend::Cond,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/backend.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         a: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/backend.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         b: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_true`
[INFO] [stdout]    --> src/backend.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if_true: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_false`
[INFO] [stdout]    --> src/backend.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         if_false: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LlvmBackend` is never constructed
[INFO] [stdout]  --> src/backend.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct LlvmBackend {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.30s
[INFO] running `Command { std: "docker" "inspect" "3795de9b8b4ae628a81d50d48b80d42bea67302ea17e83307ad9a477b5f79bd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3795de9b8b4ae628a81d50d48b80d42bea67302ea17e83307ad9a477b5f79bd8", kill_on_drop: false }`
[INFO] [stdout] 3795de9b8b4ae628a81d50d48b80d42bea67302ea17e83307ad9a477b5f79bd8
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d14bd56518e540a10bd8d9ceee8ecce39df866a0521ef236b458d225032ff438
[INFO] running `Command { std: "docker" "start" "-a" "d14bd56518e540a10bd8d9ceee8ecce39df866a0521ef236b458d225032ff438", kill_on_drop: false }`
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/backend.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get_reg(&mut self, index: u32) -> Self::Value {
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/backend.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/backend.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn set_next_pc(&mut self, pc: u32) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fetch_u32(&mut self, addr: u32) -> u32 {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn const_value(&mut self, val: u32) -> Self::Value {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/backend.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         width: zkvmc_backend::Width,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         addr: Self::Value,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/backend.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:40:73
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:48:39
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling zkvmc-llvm v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shift`
[INFO] [stdout]   --> src/backend.rs:64:48
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         val: Self::Value,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shift`
[INFO] [stdout]   --> src/backend.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         shift: Self::Value,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         a: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         b: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:90:42
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         a: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         b: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]    --> src/backend.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/backend.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         a: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/backend.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         b: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/backend.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn jump(&mut self, target: Self::Value) {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/backend.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn undefined(&mut self, instr: u32) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/backend.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         cond: zkvmc_backend::Cond,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/backend.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         a: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/backend.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         b: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_true`
[INFO] [stdout]    --> src/backend.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if_true: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_false`
[INFO] [stdout]    --> src/backend.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         if_false: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LlvmBackend` is never constructed
[INFO] [stdout]  --> src/backend.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct LlvmBackend {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]  --> src/backend.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn get_reg(&mut self, index: u32) -> Self::Value {
[INFO] [stdout]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/backend.rs:11:27
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stdout]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:11:39
[INFO] [stdout]    |
[INFO] [stdout] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stdout]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `pc`
[INFO] [stdout]   --> src/backend.rs:19:31
[INFO] [stdout]    |
[INFO] [stdout] 19 |     fn set_next_pc(&mut self, pc: u32) {
[INFO] [stdout]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:23:29
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn fetch_u32(&mut self, addr: u32) -> u32 {
[INFO] [stdout]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:27:31
[INFO] [stdout]    |
[INFO] [stdout] 27 |     fn const_value(&mut self, val: u32) -> Self::Value {
[INFO] [stdout]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/backend.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |         width: zkvmc_backend::Width,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:34:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 35 |         addr: Self::Value,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `width`
[INFO] [stdout]   --> src/backend.rs:40:25
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `addr`
[INFO] [stdout]   --> src/backend.rs:40:54
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:40:73
[INFO] [stdout]    |
[INFO] [stdout] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stdout]    |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:44:23
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:44:39
[INFO] [stdout]    |
[INFO] [stdout] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:48:23
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:48:39
[INFO] [stdout]    |
[INFO] [stdout] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:52:23
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:52:39
[INFO] [stdout]    |
[INFO] [stdout] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:56:22
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:56:38
[INFO] [stdout]    |
[INFO] [stdout] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:60:23
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:60:39
[INFO] [stdout]    |
[INFO] [stdout] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:64:30
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stdout]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shift`
[INFO] [stdout]   --> src/backend.rs:64:48
[INFO] [stdout]    |
[INFO] [stdout] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:70:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]   --> src/backend.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 71 |         val: Self::Value,
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `shift`
[INFO] [stdout]   --> src/backend.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 |         shift: Self::Value,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:77:23
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:77:39
[INFO] [stdout]    |
[INFO] [stdout] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 83 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:84:9
[INFO] [stdout]    |
[INFO] [stdout] 84 |         a: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:85:9
[INFO] [stdout]    |
[INFO] [stdout] 85 |         b: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:90:26
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:90:42
[INFO] [stdout]    |
[INFO] [stdout] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stdout]    |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]   --> src/backend.rs:96:9
[INFO] [stdout]    |
[INFO] [stdout] 96 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]   --> src/backend.rs:97:9
[INFO] [stdout]    |
[INFO] [stdout] 97 |         a: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]   --> src/backend.rs:98:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |         b: Self::Value,
[INFO] [stdout]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `signed`
[INFO] [stdout]    --> src/backend.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         signed: zkvmc_backend::Signed,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/backend.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         a: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/backend.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         b: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> src/backend.rs:112:24
[INFO] [stdout]     |
[INFO] [stdout] 112 |     fn jump(&mut self, target: Self::Value) {
[INFO] [stdout]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instr`
[INFO] [stdout]    --> src/backend.rs:124:29
[INFO] [stdout]     |
[INFO] [stdout] 124 |     fn undefined(&mut self, instr: u32) {
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cond`
[INFO] [stdout]    --> src/backend.rs:130:9
[INFO] [stdout]     |
[INFO] [stdout] 130 |         cond: zkvmc_backend::Cond,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `a`
[INFO] [stdout]    --> src/backend.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         a: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `b`
[INFO] [stdout]    --> src/backend.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         b: Self::Value,
[INFO] [stdout]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_true`
[INFO] [stdout]    --> src/backend.rs:133:9
[INFO] [stdout]     |
[INFO] [stdout] 133 |         if_true: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_true`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `if_false`
[INFO] [stdout]    --> src/backend.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |         if_false: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_false`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `LlvmBackend` is never constructed
[INFO] [stdout]  --> src/backend.rs:2:8
[INFO] [stdout]   |
[INFO] [stdout] 2 | struct LlvmBackend {}
[INFO] [stdout]   |        ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "d14bd56518e540a10bd8d9ceee8ecce39df866a0521ef236b458d225032ff438", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d14bd56518e540a10bd8d9ceee8ecce39df866a0521ef236b458d225032ff438", kill_on_drop: false }`
[INFO] [stdout] d14bd56518e540a10bd8d9ceee8ecce39df866a0521ef236b458d225032ff438
[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" "+ec6f9a5b4413f74386267ef8efc93712c2ce6db6" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] db3f78a1d307bc9335470ac5607badc6ff4c37808b542a07b8da0767b7a317de
[INFO] running `Command { std: "docker" "start" "-a" "db3f78a1d307bc9335470ac5607badc6ff4c37808b542a07b8da0767b7a317de", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]  --> src/backend.rs:7:27
[INFO] [stderr]   |
[INFO] [stderr] 7 |     fn get_reg(&mut self, index: u32) -> Self::Value {
[INFO] [stderr]   |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `index`
[INFO] [stderr]   --> src/backend.rs:11:27
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stderr]    |                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/backend.rs:11:39
[INFO] [stderr]    |
[INFO] [stderr] 11 |     fn set_reg(&mut self, index: u32, val: Self::Value) {
[INFO] [stderr]    |                                       ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `pc`
[INFO] [stderr]   --> src/backend.rs:19:31
[INFO] [stderr]    |
[INFO] [stderr] 19 |     fn set_next_pc(&mut self, pc: u32) {
[INFO] [stderr]    |                               ^^ help: if this is intentional, prefix it with an underscore: `_pc`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/backend.rs:23:29
[INFO] [stderr]    |
[INFO] [stderr] 23 |     fn fetch_u32(&mut self, addr: u32) -> u32 {
[INFO] [stderr]    |                             ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/backend.rs:27:31
[INFO] [stderr]    |
[INFO] [stderr] 27 |     fn const_value(&mut self, val: u32) -> Self::Value {
[INFO] [stderr]    |                               ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/backend.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |         width: zkvmc_backend::Width,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signed`
[INFO] [stderr]   --> src/backend.rs:34:9
[INFO] [stderr]    |
[INFO] [stderr] 34 |         signed: zkvmc_backend::Signed,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/backend.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 35 |         addr: Self::Value,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `width`
[INFO] [stderr]   --> src/backend.rs:40:25
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stderr]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_width`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `addr`
[INFO] [stderr]   --> src/backend.rs:40:54
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stderr]    |                                                      ^^^^ help: if this is intentional, prefix it with an underscore: `_addr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/backend.rs:40:73
[INFO] [stderr]    |
[INFO] [stderr] 40 |     fn store(&mut self, width: zkvmc_backend::Width, addr: Self::Value, val: Self::Value) {
[INFO] [stderr]    |                                                                         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:44:23
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:44:39
[INFO] [stderr]    |
[INFO] [stderr] 44 |     fn add(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:48:23
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:48:39
[INFO] [stderr]    |
[INFO] [stderr] 48 |     fn sub(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:52:23
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:52:39
[INFO] [stderr]    |
[INFO] [stderr] 52 |     fn and(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:56:22
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                      ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:56:38
[INFO] [stderr]    |
[INFO] [stderr] 56 |     fn or(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                      ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:60:23
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:60:39
[INFO] [stderr]    |
[INFO] [stderr] 60 |     fn xor(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/backend.rs:64:30
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stderr]    |                              ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shift`
[INFO] [stderr]   --> src/backend.rs:64:48
[INFO] [stderr]    |
[INFO] [stderr] 64 |     fn shift_left(&mut self, val: Self::Value, shift: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signed`
[INFO] [stderr]   --> src/backend.rs:70:9
[INFO] [stderr]    |
[INFO] [stderr] 70 |         signed: zkvmc_backend::Signed,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `val`
[INFO] [stderr]   --> src/backend.rs:71:9
[INFO] [stderr]    |
[INFO] [stderr] 71 |         val: Self::Value,
[INFO] [stderr]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `shift`
[INFO] [stderr]   --> src/backend.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 |         shift: Self::Value,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_shift`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:77:23
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                       ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:77:39
[INFO] [stderr]    |
[INFO] [stderr] 77 |     fn mul(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                       ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signed`
[INFO] [stderr]   --> src/backend.rs:83:9
[INFO] [stderr]    |
[INFO] [stderr] 83 |         signed: zkvmc_backend::Signed,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:84:9
[INFO] [stderr]    |
[INFO] [stderr] 84 |         a: Self::Value,
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:85:9
[INFO] [stderr]    |
[INFO] [stderr] 85 |         b: Self::Value,
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:90:26
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                          ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:90:42
[INFO] [stderr]    |
[INFO] [stderr] 90 |     fn mulhsu(&mut self, a: Self::Value, b: Self::Value) -> Self::Value {
[INFO] [stderr]    |                                          ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signed`
[INFO] [stderr]   --> src/backend.rs:96:9
[INFO] [stderr]    |
[INFO] [stderr] 96 |         signed: zkvmc_backend::Signed,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]   --> src/backend.rs:97:9
[INFO] [stderr]    |
[INFO] [stderr] 97 |         a: Self::Value,
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]   --> src/backend.rs:98:9
[INFO] [stderr]    |
[INFO] [stderr] 98 |         b: Self::Value,
[INFO] [stderr]    |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `signed`
[INFO] [stderr]    --> src/backend.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         signed: zkvmc_backend::Signed,
[INFO] [stderr]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_signed`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/backend.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         a: Self::Value,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/backend.rs:107:9
[INFO] [stderr]     |
[INFO] [stderr] 107 |         b: Self::Value,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `target`
[INFO] [stderr]    --> src/backend.rs:112:24
[INFO] [stderr]     |
[INFO] [stderr] 112 |     fn jump(&mut self, target: Self::Value) {
[INFO] [stderr]     |                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `instr`
[INFO] [stderr]    --> src/backend.rs:124:29
[INFO] [stderr]     |
[INFO] [stderr] 124 |     fn undefined(&mut self, instr: u32) {
[INFO] [stderr]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_instr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `cond`
[INFO] [stderr]    --> src/backend.rs:130:9
[INFO] [stderr]     |
[INFO] [stderr] 130 |         cond: zkvmc_backend::Cond,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_cond`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `a`
[INFO] [stderr]    --> src/backend.rs:131:9
[INFO] [stderr]     |
[INFO] [stderr] 131 |         a: Self::Value,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_a`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]    --> src/backend.rs:132:9
[INFO] [stderr]     |
[INFO] [stderr] 132 |         b: Self::Value,
[INFO] [stderr]     |         ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `if_true`
[INFO] [stderr]    --> src/backend.rs:133:9
[INFO] [stderr]     |
[INFO] [stderr] 133 |         if_true: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_true`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `if_false`
[INFO] [stderr]    --> src/backend.rs:134:9
[INFO] [stderr]     |
[INFO] [stderr] 134 |         if_false: impl FnOnce(&mut Self) -> Self::Value,
[INFO] [stderr]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_if_false`
[INFO] [stderr] 
[INFO] [stderr] warning: struct `LlvmBackend` is never constructed
[INFO] [stderr]  --> src/backend.rs:2:8
[INFO] [stderr]   |
[INFO] [stderr] 2 | struct LlvmBackend {}
[INFO] [stderr]   |        ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `zkvmc-llvm` (lib) generated 48 warnings (run `cargo fix --lib -p zkvmc-llvm` to apply 47 suggestions)
[INFO] [stderr] warning: `zkvmc-llvm` (lib test) generated 48 warnings (48 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/zkvmc_llvm-4a773707d70dc63f)
[INFO] [stderr]    Doc-tests zkvmc_llvm
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "db3f78a1d307bc9335470ac5607badc6ff4c37808b542a07b8da0767b7a317de", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db3f78a1d307bc9335470ac5607badc6ff4c37808b542a07b8da0767b7a317de", kill_on_drop: false }`
[INFO] [stdout] db3f78a1d307bc9335470ac5607badc6ff4c37808b542a07b8da0767b7a317de
