[INFO] cloning repository https://github.com/shautvast/java.rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/shautvast/java.rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Fjava.rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Fjava.rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ccf7426086152edd2c12ac9e8b29c2f805274b87
[INFO] testing shautvast/java.rs against try#8de4c7234dd9b97c9d76b58671343fdbbc9a433e+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_with_libc_patch_0
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fshautvast%2Fjava.rs" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/shautvast/java.rs
[INFO] finished tweaking git repo https://github.com/shautvast/java.rs
[INFO] tweaked toml for git repo https://github.com/shautvast/java.rs written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/shautvast/java.rs on toolchain 8de4c7234dd9b97c9d76b58671343fdbbc9a433e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/shautvast/java.rs 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" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded deranged v0.3.8
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 6f500903261c5e332163b69aa5124c1758c5e59784871b8f40823080668299d6
[INFO] running `Command { std: "docker" "start" "-a" "6f500903261c5e332163b69aa5124c1758c5e59784871b8f40823080668299d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "6f500903261c5e332163b69aa5124c1758c5e59784871b8f40823080668299d6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6f500903261c5e332163b69aa5124c1758c5e59784871b8f40823080668299d6", kill_on_drop: false }`
[INFO] [stdout] 6f500903261c5e332163b69aa5124c1758c5e59784871b8f40823080668299d6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 0a119008f28aad5f2a5bbd740bf05ab91a8cd4d8469b4f8ae108bc0617b86114
[INFO] running `Command { std: "docker" "start" "-a" "0a119008f28aad5f2a5bbd740bf05ab91a8cd4d8469b4f8ae108bc0617b86114", kill_on_drop: false }`
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[INFO] [stderr]    Compiling java_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `AddAssign` and `Add`
[INFO] [stdout]  --> src/value.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, AddAssign};
[INFO] [stdout]   |                ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pointer`
[INFO] [stdout]  --> src/vm/object.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{Debug, Formatter, Pointer};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Class`
[INFO] [stdout]   --> src/vm/runtime.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::vm::object::ObjectRef::{Class, Object};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:981:29
[INFO] [stdout]     |
[INFO] [stdout] 981 |             I32(l) => *l += (inc as i32),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 981 -             I32(l) => *l += (inc as i32),
[INFO] [stdout] 981 +             I32(l) => *l += inc as i32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:982:29
[INFO] [stdout]     |
[INFO] [stdout] 982 |             I64(l) => *l += (inc as i64),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 982 -             I64(l) => *l += (inc as i64),
[INFO] [stdout] 982 +             I64(l) => *l += inc as i64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:983:29
[INFO] [stdout]     |
[INFO] [stdout] 983 |             F32(l) => *l += (inc as f32),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 983 -             F32(l) => *l += (inc as f32),
[INFO] [stdout] 983 +             F32(l) => *l += inc as f32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:984:29
[INFO] [stdout]     |
[INFO] [stdout] 984 |             F64(l) => *l += (inc as f64),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 984 -             F64(l) => *l += (inc as f64),
[INFO] [stdout] 984 +             F64(l) => *l += inc as f64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/classloader/mod.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let name = constant_pool.get(&name_index);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/classmanager.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 type_name = type_name[1..type_name.len()].to_owned();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/runtime.rs:819:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 DUP => {
[INFO] [stdout]     |                 --- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 819 |                 DUP => {
[INFO] [stdout]     |                 ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Opcode` is more private than the item `Method::new`
[INFO] [stdout]    --> src/classloader/classdef.rs:342:5
[INFO] [stdout]     |
[INFO] [stdout] 342 | /     pub fn new(
[INFO] [stdout] 343 | |         constant_pool: Rc<HashMap<u16, CpEntry>>,
[INFO] [stdout] 344 | |         access_flags: u16,
[INFO] [stdout] 345 | |         name_index: u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | |         code: Vec<Opcode>,
[INFO] [stdout] 349 | |     ) -> Self {
[INFO] [stdout]     | |_____________^ associated function `Method::new` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Opcode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/vm/opcodes.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub(crate) enum Opcode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minor_version`, `major_version`, `access_flags`, and `attributes` are never read
[INFO] [stdout]   --> src/classloader/classdef.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct ClassDef {
[INFO] [stdout]    |                   -------- fields in this struct
[INFO] [stdout] 12 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub major_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub constant_pool: Rc<HashMap<u16, CpEntry>>,
[INFO] [stdout] 15 |     pub access_flags: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub attributes: HashMap<String, AttributeType>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `version` and `cp_method_ref` are never used
[INFO] [stdout]   --> src/classloader/classdef.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl ClassDef {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn version(&self) -> (u16, u16) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn cp_method_ref(&self, index: &u16) -> (&u16, &u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default`, `low`, `high`, and `offsets` are never read
[INFO] [stdout]    --> src/classloader/io.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub(crate) struct Tableswitch {
[INFO] [stdout]     |                   ----------- fields in this struct
[INFO] [stdout] 190 |     default: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 191 |     low: i32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 192 |     high: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 193 |     offsets: Vec<i32>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tableswitch` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default` and `match_offset_pairs` are never read
[INFO] [stdout]    --> src/classloader/io.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub(crate) struct Lookupswitch {
[INFO] [stdout]     |                   ------------ fields in this struct
[INFO] [stdout] 198 |     default: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 199 |     match_offset_pairs: Vec<(i32, i32)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Lookupswitch` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_method` is never used
[INFO] [stdout]    --> src/classmanager.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 37  | impl ClassManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub(crate) fn get_method(&self, class_name: &str, method_name: &str) -> Option<&Method> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArrayType` is never used
[INFO] [stdout]    --> src/vm/object.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub enum ArrayType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     WIDE_ILOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     WIDE_ILOAD(u16),
[INFO] [stdout] 18 +     WIDE_ILOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     WIDE_LLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     WIDE_LLOAD(u16),
[INFO] [stdout] 20 +     WIDE_LLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     WIDE_FLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     WIDE_FLOAD(u16),
[INFO] [stdout] 22 +     WIDE_FLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     WIDE_DLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     WIDE_DLOAD(u16),
[INFO] [stdout] 24 +     WIDE_DLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     WIDE_ALOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     WIDE_ALOAD(u16),
[INFO] [stdout] 26 +     WIDE_ALOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     WIDE_ISTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     WIDE_ISTORE(u16),
[INFO] [stdout] 36 +     WIDE_ISTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     WIDE_LSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     WIDE_LSTORE(u16),
[INFO] [stdout] 38 +     WIDE_LSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     WIDE_FSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     WIDE_FSTORE(u16),
[INFO] [stdout] 40 +     WIDE_FSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     WIDE_DSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 42 -     WIDE_DSTORE(u16),
[INFO] [stdout] 42 +     WIDE_DSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     WIDE_ASTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 -     WIDE_ASTORE(u16),
[INFO] [stdout] 44 +     WIDE_ASTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     RET(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 134 -     RET(u8),
[INFO] [stdout] 134 +     RET(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     WIDE_RET(u16),
[INFO] [stdout]     |     -------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 135 -     WIDE_RET(u16),
[INFO] [stdout] 135 +     WIDE_RET(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     TABLESWITCH(Tableswitch),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 -     TABLESWITCH(Tableswitch),
[INFO] [stdout] 136 +     TABLESWITCH(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |     LOOKUPSWITCH(Lookupswitch),
[INFO] [stdout]     |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 137 -     LOOKUPSWITCH(Lookupswitch),
[INFO] [stdout] 137 +     LOOKUPSWITCH(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/vm/opcodes.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |     INVOKEINTERFACE(u16, u8),
[INFO] [stdout]     |     --------------- ^^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 151 -     INVOKEINTERFACE(u16, u8),
[INFO] [stdout] 151 +     INVOKEINTERFACE((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |     INVOKEDYNAMIC(u16),
[INFO] [stdout]     |     ------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 152 -     INVOKEDYNAMIC(u16),
[INFO] [stdout] 152 +     INVOKEDYNAMIC(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:158:15
[INFO] [stdout]     |
[INFO] [stdout] 158 |     CHECKCAST(u16),
[INFO] [stdout]     |     --------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 158 -     CHECKCAST(u16),
[INFO] [stdout] 158 +     CHECKCAST(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:162:10
[INFO] [stdout]     |
[INFO] [stdout] 162 |     WIDE(Box<Opcode>),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 162 -     WIDE(Box<Opcode>),
[INFO] [stdout] 162 +     WIDE(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/vm/opcodes.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     MULTIANEWARRAY(u16, u8),
[INFO] [stdout]     |     -------------- ^^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 163 -     MULTIANEWARRAY(u16, u8),
[INFO] [stdout] 163 +     MULTIANEWARRAY((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:166:11
[INFO] [stdout]     |
[INFO] [stdout] 166 |     GOTOW(i32),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     GOTOW(i32),
[INFO] [stdout] 166 +     GOTOW(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `primitive_name_classes` should have an upper case name
[INFO] [stdout]   --> src/vm/native.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const primitive_name_classes: Lazy<HashMap<&str, &str>> = Lazy::new(|| {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PRIMITIVE_NAME_CLASSES`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/vm/native.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 | /             PRIMITIVE_CLASSES
[INFO] [stdout] 95 | |                 .entry(primitive.clone())
[INFO] [stdout]    | |_________________________________________^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut vm = Vm::new();
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 17.75s
[INFO] running `Command { std: "docker" "inspect" "0a119008f28aad5f2a5bbd740bf05ab91a8cd4d8469b4f8ae108bc0617b86114", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0a119008f28aad5f2a5bbd740bf05ab91a8cd4d8469b4f8ae108bc0617b86114", kill_on_drop: false }`
[INFO] [stdout] 0a119008f28aad5f2a5bbd740bf05ab91a8cd4d8469b4f8ae108bc0617b86114
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+8de4c7234dd9b97c9d76b58671343fdbbc9a433e" "test" "--frozen" "--no-run" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }`
[INFO] [stdout] 8af6fc0340d414da96f00035ed5dad50d52d0de0fa5ef9e4dfbbb3cd684e875f
[INFO] running `Command { std: "docker" "start" "-a" "8af6fc0340d414da96f00035ed5dad50d52d0de0fa5ef9e4dfbbb3cd684e875f", kill_on_drop: false }`
[INFO] [stdout] warning: unused imports: `AddAssign` and `Add`
[INFO] [stdout]  --> src/value.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, AddAssign};
[INFO] [stdout]   |                ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pointer`
[INFO] [stdout]  --> src/vm/object.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{Debug, Formatter, Pointer};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Class`
[INFO] [stdout]   --> src/vm/runtime.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::vm::object::ObjectRef::{Class, Object};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:981:29
[INFO] [stdout]     |
[INFO] [stdout] 981 |             I32(l) => *l += (inc as i32),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 981 -             I32(l) => *l += (inc as i32),
[INFO] [stdout] 981 +             I32(l) => *l += inc as i32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:982:29
[INFO] [stdout]     |
[INFO] [stdout] 982 |             I64(l) => *l += (inc as i64),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 982 -             I64(l) => *l += (inc as i64),
[INFO] [stdout] 982 +             I64(l) => *l += inc as i64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:983:29
[INFO] [stdout]     |
[INFO] [stdout] 983 |             F32(l) => *l += (inc as f32),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 983 -             F32(l) => *l += (inc as f32),
[INFO] [stdout] 983 +             F32(l) => *l += inc as f32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:984:29
[INFO] [stdout]     |
[INFO] [stdout] 984 |             F64(l) => *l += (inc as f64),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 984 -             F64(l) => *l += (inc as f64),
[INFO] [stdout] 984 +             F64(l) => *l += inc as f64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/classloader/mod.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let name = constant_pool.get(&name_index);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/classmanager.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 type_name = type_name[1..type_name.len()].to_owned();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/runtime.rs:819:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 DUP => {
[INFO] [stdout]     |                 --- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 819 |                 DUP => {
[INFO] [stdout]     |                 ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Opcode` is more private than the item `Method::new`
[INFO] [stdout]    --> src/classloader/classdef.rs:342:5
[INFO] [stdout]     |
[INFO] [stdout] 342 | /     pub fn new(
[INFO] [stdout] 343 | |         constant_pool: Rc<HashMap<u16, CpEntry>>,
[INFO] [stdout] 344 | |         access_flags: u16,
[INFO] [stdout] 345 | |         name_index: u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | |         code: Vec<Opcode>,
[INFO] [stdout] 349 | |     ) -> Self {
[INFO] [stdout]     | |_____________^ associated function `Method::new` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Opcode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/vm/opcodes.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub(crate) enum Opcode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minor_version`, `major_version`, `access_flags`, and `attributes` are never read
[INFO] [stdout]   --> src/classloader/classdef.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct ClassDef {
[INFO] [stdout]    |                   -------- fields in this struct
[INFO] [stdout] 12 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub major_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub constant_pool: Rc<HashMap<u16, CpEntry>>,
[INFO] [stdout] 15 |     pub access_flags: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub attributes: HashMap<String, AttributeType>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `version` and `cp_method_ref` are never used
[INFO] [stdout]   --> src/classloader/classdef.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl ClassDef {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn version(&self) -> (u16, u16) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn cp_method_ref(&self, index: &u16) -> (&u16, &u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default`, `low`, `high`, and `offsets` are never read
[INFO] [stdout]    --> src/classloader/io.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub(crate) struct Tableswitch {
[INFO] [stdout]     |                   ----------- fields in this struct
[INFO] [stdout] 190 |     default: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 191 |     low: i32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 192 |     high: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 193 |     offsets: Vec<i32>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tableswitch` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default` and `match_offset_pairs` are never read
[INFO] [stdout]    --> src/classloader/io.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub(crate) struct Lookupswitch {
[INFO] [stdout]     |                   ------------ fields in this struct
[INFO] [stdout] 198 |     default: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 199 |     match_offset_pairs: Vec<(i32, i32)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Lookupswitch` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_method` is never used
[INFO] [stdout]    --> src/classmanager.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 37  | impl ClassManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub(crate) fn get_method(&self, class_name: &str, method_name: &str) -> Option<&Method> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArrayType` is never used
[INFO] [stdout]    --> src/vm/object.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub enum ArrayType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     WIDE_ILOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     WIDE_ILOAD(u16),
[INFO] [stdout] 18 +     WIDE_ILOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     WIDE_LLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     WIDE_LLOAD(u16),
[INFO] [stdout] 20 +     WIDE_LLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     WIDE_FLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     WIDE_FLOAD(u16),
[INFO] [stdout] 22 +     WIDE_FLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     WIDE_DLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     WIDE_DLOAD(u16),
[INFO] [stdout] 24 +     WIDE_DLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     WIDE_ALOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     WIDE_ALOAD(u16),
[INFO] [stdout] 26 +     WIDE_ALOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     WIDE_ISTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     WIDE_ISTORE(u16),
[INFO] [stdout] 36 +     WIDE_ISTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     WIDE_LSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     WIDE_LSTORE(u16),
[INFO] [stdout] 38 +     WIDE_LSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     WIDE_FSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     WIDE_FSTORE(u16),
[INFO] [stdout] 40 +     WIDE_FSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     WIDE_DSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 42 -     WIDE_DSTORE(u16),
[INFO] [stdout] 42 +     WIDE_DSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     WIDE_ASTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 -     WIDE_ASTORE(u16),
[INFO] [stdout] 44 +     WIDE_ASTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     RET(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 134 -     RET(u8),
[INFO] [stdout] 134 +     RET(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling java_rs v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     WIDE_RET(u16),
[INFO] [stdout]     |     -------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 135 -     WIDE_RET(u16),
[INFO] [stdout] 135 +     WIDE_RET(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     TABLESWITCH(Tableswitch),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 -     TABLESWITCH(Tableswitch),
[INFO] [stdout] 136 +     TABLESWITCH(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |     LOOKUPSWITCH(Lookupswitch),
[INFO] [stdout]     |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 137 -     LOOKUPSWITCH(Lookupswitch),
[INFO] [stdout] 137 +     LOOKUPSWITCH(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/vm/opcodes.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |     INVOKEINTERFACE(u16, u8),
[INFO] [stdout]     |     --------------- ^^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 151 -     INVOKEINTERFACE(u16, u8),
[INFO] [stdout] 151 +     INVOKEINTERFACE((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |     INVOKEDYNAMIC(u16),
[INFO] [stdout]     |     ------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 152 -     INVOKEDYNAMIC(u16),
[INFO] [stdout] 152 +     INVOKEDYNAMIC(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:158:15
[INFO] [stdout]     |
[INFO] [stdout] 158 |     CHECKCAST(u16),
[INFO] [stdout]     |     --------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 158 -     CHECKCAST(u16),
[INFO] [stdout] 158 +     CHECKCAST(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:162:10
[INFO] [stdout]     |
[INFO] [stdout] 162 |     WIDE(Box<Opcode>),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 162 -     WIDE(Box<Opcode>),
[INFO] [stdout] 162 +     WIDE(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/vm/opcodes.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     MULTIANEWARRAY(u16, u8),
[INFO] [stdout]     |     -------------- ^^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 163 -     MULTIANEWARRAY(u16, u8),
[INFO] [stdout] 163 +     MULTIANEWARRAY((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:166:11
[INFO] [stdout]     |
[INFO] [stdout] 166 |     GOTOW(i32),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     GOTOW(i32),
[INFO] [stdout] 166 +     GOTOW(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `primitive_name_classes` should have an upper case name
[INFO] [stdout]   --> src/vm/native.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const primitive_name_classes: Lazy<HashMap<&str, &str>> = Lazy::new(|| {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PRIMITIVE_NAME_CLASSES`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/vm/native.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 | /             PRIMITIVE_CLASSES
[INFO] [stdout] 95 | |                 .entry(primitive.clone())
[INFO] [stdout]    | |_________________________________________^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut vm = Vm::new();
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]  --> src/main.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 4 |     let mut vm = Vm::new();
[INFO] [stdout]   |         ----^^
[INFO] [stdout]   |         |
[INFO] [stdout]   |         help: remove this `mut`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AddAssign` and `Add`
[INFO] [stdout]  --> src/value.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::{Add, AddAssign};
[INFO] [stdout]   |                ^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Pointer`
[INFO] [stdout]  --> src/vm/object.rs:7:34
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::fmt::{Debug, Formatter, Pointer};
[INFO] [stdout]   |                                  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Class`
[INFO] [stdout]   --> src/vm/runtime.rs:18:36
[INFO] [stdout]    |
[INFO] [stdout] 18 | use crate::vm::object::ObjectRef::{Class, Object};
[INFO] [stdout]    |                                    ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:981:29
[INFO] [stdout]     |
[INFO] [stdout] 981 |             I32(l) => *l += (inc as i32),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 981 -             I32(l) => *l += (inc as i32),
[INFO] [stdout] 981 +             I32(l) => *l += inc as i32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:982:29
[INFO] [stdout]     |
[INFO] [stdout] 982 |             I64(l) => *l += (inc as i64),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 982 -             I64(l) => *l += (inc as i64),
[INFO] [stdout] 982 +             I64(l) => *l += inc as i64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:983:29
[INFO] [stdout]     |
[INFO] [stdout] 983 |             F32(l) => *l += (inc as f32),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 983 -             F32(l) => *l += (inc as f32),
[INFO] [stdout] 983 +             F32(l) => *l += inc as f32,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around assigned value
[INFO] [stdout]    --> src/vm/runtime.rs:984:29
[INFO] [stdout]     |
[INFO] [stdout] 984 |             F64(l) => *l += (inc as f64),
[INFO] [stdout]     |                             ^          ^
[INFO] [stdout]     |
[INFO] [stdout] help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout] 984 -             F64(l) => *l += (inc as f64),
[INFO] [stdout] 984 +             F64(l) => *l += inc as f64,
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `vm::opcodes::Opcode` is private
[INFO] [stdout]  --> tests/method_tests.rs:8:17
[INFO] [stdout]   |
[INFO] [stdout] 8 |         let m = Method::new(
[INFO] [stdout]   |                 ^^^^^^^^^^^ private type
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: type `vm::opcodes::Opcode` is private
[INFO] [stdout]   --> tests/method_tests.rs:14:13
[INFO] [stdout]    |
[INFO] [stdout] 14 |             vec![],
[INFO] [stdout]    |             ^^^^^^ private type
[INFO] [stdout]    |
[INFO] [stdout]    = note: this error originates in the macro `vec` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `java_rs` (test "method_tests") due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/classloader/mod.rs:241:9
[INFO] [stdout]     |
[INFO] [stdout] 241 |     let name = constant_pool.get(&name_index);
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `type_name` is never read
[INFO] [stdout]    --> src/classmanager.rs:101:17
[INFO] [stdout]     |
[INFO] [stdout] 101 |                 type_name = type_name[1..type_name.len()].to_owned();
[INFO] [stdout]     |                 ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/vm/runtime.rs:819:17
[INFO] [stdout]     |
[INFO] [stdout] 222 |                 DUP => {
[INFO] [stdout]     |                 --- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 819 |                 DUP => {
[INFO] [stdout]     |                 ^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Opcode` is more private than the item `Method::new`
[INFO] [stdout]    --> src/classloader/classdef.rs:342:5
[INFO] [stdout]     |
[INFO] [stdout] 342 | /     pub fn new(
[INFO] [stdout] 343 | |         constant_pool: Rc<HashMap<u16, CpEntry>>,
[INFO] [stdout] 344 | |         access_flags: u16,
[INFO] [stdout] 345 | |         name_index: u16,
[INFO] [stdout] ...   |
[INFO] [stdout] 348 | |         code: Vec<Opcode>,
[INFO] [stdout] 349 | |     ) -> Self {
[INFO] [stdout]     | |_____________^ associated function `Method::new` is reachable at visibility `pub`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `Opcode` is only usable at visibility `pub(crate)`
[INFO] [stdout]    --> src/vm/opcodes.rs:5:1
[INFO] [stdout]     |
[INFO] [stdout] 5   | pub(crate) enum Opcode {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `minor_version`, `major_version`, `access_flags`, and `attributes` are never read
[INFO] [stdout]   --> src/classloader/classdef.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub(crate) struct ClassDef {
[INFO] [stdout]    |                   -------- fields in this struct
[INFO] [stdout] 12 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 13 |     pub major_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 14 |     pub constant_pool: Rc<HashMap<u16, CpEntry>>,
[INFO] [stdout] 15 |     pub access_flags: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 21 |     pub attributes: HashMap<String, AttributeType>,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `version` and `cp_method_ref` are never used
[INFO] [stdout]   --> src/classloader/classdef.rs:57:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl ClassDef {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 57 |     pub fn version(&self) -> (u16, u16) {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 86 |     pub fn cp_method_ref(&self, index: &u16) -> (&u16, &u16) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default`, `low`, `high`, and `offsets` are never read
[INFO] [stdout]    --> src/classloader/io.rs:190:5
[INFO] [stdout]     |
[INFO] [stdout] 189 | pub(crate) struct Tableswitch {
[INFO] [stdout]     |                   ----------- fields in this struct
[INFO] [stdout] 190 |     default: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 191 |     low: i32,
[INFO] [stdout]     |     ^^^
[INFO] [stdout] 192 |     high: i32,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 193 |     offsets: Vec<i32>,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Tableswitch` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `default` and `match_offset_pairs` are never read
[INFO] [stdout]    --> src/classloader/io.rs:198:5
[INFO] [stdout]     |
[INFO] [stdout] 197 | pub(crate) struct Lookupswitch {
[INFO] [stdout]     |                   ------------ fields in this struct
[INFO] [stdout] 198 |     default: i32,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 199 |     match_offset_pairs: Vec<(i32, i32)>,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Lookupswitch` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_method` is never used
[INFO] [stdout]    --> src/classmanager.rs:128:19
[INFO] [stdout]     |
[INFO] [stdout] 37  | impl ClassManager {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 128 |     pub(crate) fn get_method(&self, class_name: &str, method_name: &str) -> Option<&Method> {
[INFO] [stdout]     |                   ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `ArrayType` is never used
[INFO] [stdout]    --> src/vm/object.rs:118:10
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub enum ArrayType {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:18:16
[INFO] [stdout]    |
[INFO] [stdout] 18 |     WIDE_ILOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 18 -     WIDE_ILOAD(u16),
[INFO] [stdout] 18 +     WIDE_ILOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:20:16
[INFO] [stdout]    |
[INFO] [stdout] 20 |     WIDE_LLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 20 -     WIDE_LLOAD(u16),
[INFO] [stdout] 20 +     WIDE_LLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |     WIDE_FLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 22 -     WIDE_FLOAD(u16),
[INFO] [stdout] 22 +     WIDE_FLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:24:16
[INFO] [stdout]    |
[INFO] [stdout] 24 |     WIDE_DLOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 24 -     WIDE_DLOAD(u16),
[INFO] [stdout] 24 +     WIDE_DLOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:26:16
[INFO] [stdout]    |
[INFO] [stdout] 26 |     WIDE_ALOAD(u16),
[INFO] [stdout]    |     ---------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 26 -     WIDE_ALOAD(u16),
[INFO] [stdout] 26 +     WIDE_ALOAD(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:36:17
[INFO] [stdout]    |
[INFO] [stdout] 36 |     WIDE_ISTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 36 -     WIDE_ISTORE(u16),
[INFO] [stdout] 36 +     WIDE_ISTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:38:17
[INFO] [stdout]    |
[INFO] [stdout] 38 |     WIDE_LSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 38 -     WIDE_LSTORE(u16),
[INFO] [stdout] 38 +     WIDE_LSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:40:17
[INFO] [stdout]    |
[INFO] [stdout] 40 |     WIDE_FSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 40 -     WIDE_FSTORE(u16),
[INFO] [stdout] 40 +     WIDE_FSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:42:17
[INFO] [stdout]    |
[INFO] [stdout] 42 |     WIDE_DSTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 42 -     WIDE_DSTORE(u16),
[INFO] [stdout] 42 +     WIDE_DSTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm/opcodes.rs:44:17
[INFO] [stdout]    |
[INFO] [stdout] 44 |     WIDE_ASTORE(u16),
[INFO] [stdout]    |     ----------- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]    |
[INFO] [stdout] 44 -     WIDE_ASTORE(u16),
[INFO] [stdout] 44 +     WIDE_ASTORE(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:134:9
[INFO] [stdout]     |
[INFO] [stdout] 134 |     RET(u8),
[INFO] [stdout]     |     --- ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 134 -     RET(u8),
[INFO] [stdout] 134 +     RET(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:135:14
[INFO] [stdout]     |
[INFO] [stdout] 135 |     WIDE_RET(u16),
[INFO] [stdout]     |     -------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 135 -     WIDE_RET(u16),
[INFO] [stdout] 135 +     WIDE_RET(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:136:17
[INFO] [stdout]     |
[INFO] [stdout] 136 |     TABLESWITCH(Tableswitch),
[INFO] [stdout]     |     ----------- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 136 -     TABLESWITCH(Tableswitch),
[INFO] [stdout] 136 +     TABLESWITCH(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:137:18
[INFO] [stdout]     |
[INFO] [stdout] 137 |     LOOKUPSWITCH(Lookupswitch),
[INFO] [stdout]     |     ------------ ^^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 137 -     LOOKUPSWITCH(Lookupswitch),
[INFO] [stdout] 137 +     LOOKUPSWITCH(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/vm/opcodes.rs:151:21
[INFO] [stdout]     |
[INFO] [stdout] 151 |     INVOKEINTERFACE(u16, u8),
[INFO] [stdout]     |     --------------- ^^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 151 -     INVOKEINTERFACE(u16, u8),
[INFO] [stdout] 151 +     INVOKEINTERFACE((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:152:19
[INFO] [stdout]     |
[INFO] [stdout] 152 |     INVOKEDYNAMIC(u16),
[INFO] [stdout]     |     ------------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 152 -     INVOKEDYNAMIC(u16),
[INFO] [stdout] 152 +     INVOKEDYNAMIC(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:158:15
[INFO] [stdout]     |
[INFO] [stdout] 158 |     CHECKCAST(u16),
[INFO] [stdout]     |     --------- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 158 -     CHECKCAST(u16),
[INFO] [stdout] 158 +     CHECKCAST(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:162:10
[INFO] [stdout]     |
[INFO] [stdout] 162 |     WIDE(Box<Opcode>),
[INFO] [stdout]     |     ---- ^^^^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 162 -     WIDE(Box<Opcode>),
[INFO] [stdout] 162 +     WIDE(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `0` and `1` are never read
[INFO] [stdout]    --> src/vm/opcodes.rs:163:20
[INFO] [stdout]     |
[INFO] [stdout] 163 |     MULTIANEWARRAY(u16, u8),
[INFO] [stdout]     |     -------------- ^^^  ^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     fields in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the fields to be of unit type to suppress this warning while preserving the field numbering, or remove the fields
[INFO] [stdout]     |
[INFO] [stdout] 163 -     MULTIANEWARRAY(u16, u8),
[INFO] [stdout] 163 +     MULTIANEWARRAY((), ()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/vm/opcodes.rs:166:11
[INFO] [stdout]     |
[INFO] [stdout] 166 |     GOTOW(i32),
[INFO] [stdout]     |     ----- ^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]     |
[INFO] [stdout] 166 -     GOTOW(i32),
[INFO] [stdout] 166 +     GOTOW(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `primitive_name_classes` should have an upper case name
[INFO] [stdout]   --> src/vm/native.rs:18:7
[INFO] [stdout]    |
[INFO] [stdout] 18 | const primitive_name_classes: Lazy<HashMap<&str, &str>> = Lazy::new(|| {
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to upper case: `PRIMITIVE_NAME_CLASSES`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a mutable reference to mutable static
[INFO] [stdout]   --> src/vm/native.rs:94:13
[INFO] [stdout]    |
[INFO] [stdout] 94 | /             PRIMITIVE_CLASSES
[INFO] [stdout] 95 | |                 .entry(primitive.clone())
[INFO] [stdout]    | |_________________________________________^ mutable reference to mutable static
[INFO] [stdout]    |
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]    = note: mutable references to mutable statics are dangerous; it's undefined behavior if any other pointer to the static is used or if any other reference is created for the static while the mutable reference lives
[INFO] [stdout]    = note: `#[warn(static_mut_refs)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "8af6fc0340d414da96f00035ed5dad50d52d0de0fa5ef9e4dfbbb3cd684e875f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8af6fc0340d414da96f00035ed5dad50d52d0de0fa5ef9e4dfbbb3cd684e875f", kill_on_drop: false }`
[INFO] [stdout] 8af6fc0340d414da96f00035ed5dad50d52d0de0fa5ef9e4dfbbb3cd684e875f