[INFO] cloning repository https://github.com/PTrainbow/LearnJVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/PTrainbow/LearnJVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPTrainbow%2FLearnJVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPTrainbow%2FLearnJVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 162ff2b7864fbae08b42fe4b511d4bdb355c47f0
[INFO] checking PTrainbow/LearnJVM against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FPTrainbow%2FLearnJVM" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/PTrainbow/LearnJVM on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/PTrainbow/LearnJVM
[INFO] finished tweaking git repo https://github.com/PTrainbow/LearnJVM
[INFO] tweaked toml for git repo https://github.com/PTrainbow/LearnJVM written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/PTrainbow/LearnJVM 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5ed8bc75502c3fa045a0c658204fba02ee1bc28f7418c91f25c3afa791f9182f
[INFO] running `Command { std: "docker" "start" "-a" "5ed8bc75502c3fa045a0c658204fba02ee1bc28f7418c91f25c3afa791f9182f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5ed8bc75502c3fa045a0c658204fba02ee1bc28f7418c91f25c3afa791f9182f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5ed8bc75502c3fa045a0c658204fba02ee1bc28f7418c91f25c3afa791f9182f", kill_on_drop: false }`
[INFO] [stdout] 5ed8bc75502c3fa045a0c658204fba02ee1bc28f7418c91f25c3afa791f9182f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ade1c92ea9429921cc0603e2c294c76537658dedb047949ebb1650a156a19ced
[INFO] running `Command { std: "docker" "start" "-a" "ade1c92ea9429921cc0603e2c294c76537658dedb047949ebb1650a156a19ced", kill_on_drop: false }`
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]     Checking cpufeatures v0.2.10
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling zstd-safe v5.0.2+zstd.1.5.2
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[INFO] [stdout] warning: unused import: `crate::classfile::class_reader::Reader`
[INFO] [stdout]  --> src/classpath/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::classfile::class_reader::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/classfile/class_reader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/classfile/class_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BE`, `ReadBytesExt`
[INFO] [stdout]  --> src/classfile/mod.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{BE, ReadBytesExt};
[INFO] [stdout]   |                 ^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Reader`
[INFO] [stdout]  --> src/classfile/mod.rs:5:75
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::classfile::class_reader::{ConstantInfo, FieldInfo, MethodInfo, Reader};
[INFO] [stdout]   |                                                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ConstantClass`, `ConstantUTF8`
[INFO] [stdout]  --> src/classfile/mod.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::classfile::class_reader::ConstantInfo::{ConstantClass, ConstantUTF8};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]  --> src/classfile/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/runtime/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/runtime/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/runtime/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classfile::ClassFile`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::classfile::ClassFile;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Object`, `Slot`, `Thread`
[INFO] [stdout]   --> src/main.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::runtime::{Frame, LocalVars, Object, OperandStack, Slot, Thread};
[INFO] [stdout]    |                                        ^^^^^^                ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classfile::class_reader::Reader`
[INFO] [stdout]  --> src/classpath/mod.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::classfile::class_reader::Reader;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::any::Any`
[INFO] [stdout]  --> src/classfile/class_reader.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::Any;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::iter::Map`
[INFO] [stdout]  --> src/classfile/class_reader.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::iter::Map;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BE`, `ReadBytesExt`
[INFO] [stdout]  --> src/classfile/mod.rs:4:17
[INFO] [stdout]   |
[INFO] [stdout] 4 | use byteorder::{BE, ReadBytesExt};
[INFO] [stdout]   |                 ^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Reader`
[INFO] [stdout]  --> src/classfile/mod.rs:5:75
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::classfile::class_reader::{ConstantInfo, FieldInfo, MethodInfo, Reader};
[INFO] [stdout]   |                                                                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ConstantClass`, `ConstantUTF8`
[INFO] [stdout]  --> src/classfile/mod.rs:6:52
[INFO] [stdout]   |
[INFO] [stdout] 6 | use crate::classfile::class_reader::ConstantInfo::{ConstantClass, ConstantUTF8};
[INFO] [stdout]   |                                                    ^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]  --> src/classfile/mod.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::error::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/runtime/mod.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ops::Deref`
[INFO] [stdout]  --> src/runtime/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ops::Deref;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::rc::Rc`
[INFO] [stdout]  --> src/runtime/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::rc::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Deref`
[INFO] [stdout]  --> src/main.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::ops::{Deref, DerefMut};
[INFO] [stdout]   |                ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::classfile::ClassFile`
[INFO] [stdout]   --> src/main.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 13 | use crate::classfile::ClassFile;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error::Error`
[INFO] [stdout]   --> src/main.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | use crate::error::Error;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Object`, `Slot`, `Thread`
[INFO] [stdout]   --> src/main.rs:15:40
[INFO] [stdout]    |
[INFO] [stdout] 15 | use crate::runtime::{Frame, LocalVars, Object, OperandStack, Slot, Thread};
[INFO] [stdout]    |                                        ^^^^^^                ^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         for index in 0..interface_count {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `access_flags`
[INFO] [stdout]    --> src/classfile/class_reader.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let access_flags = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_access_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let descriptor_index = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |             for attr_index in 0..attributes_count {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:302:13
[INFO] [stdout]     |
[INFO] [stdout] 302 |         for method_index in 0..methods_count {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_method_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `access_flags`
[INFO] [stdout]    --> src/classfile/class_reader.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |             let access_flags = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_access_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let descriptor_index = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |             for attr_index in 0..attributes_count {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         for attr_index in 0..attributes_count {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:269:13
[INFO] [stdout]     |
[INFO] [stdout] 269 |         for index in 0..interface_count {
[INFO] [stdout]     |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `access_flags`
[INFO] [stdout]    --> src/classfile/class_reader.rs:280:17
[INFO] [stdout]     |
[INFO] [stdout] 280 |             let access_flags = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_access_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:285:17
[INFO] [stdout]     |
[INFO] [stdout] 285 |             let descriptor_index = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:289:17
[INFO] [stdout]     |
[INFO] [stdout] 289 |             for attr_index in 0..attributes_count {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `method_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:302:13
[INFO] [stdout]     |
[INFO] [stdout] 302 |         for method_index in 0..methods_count {
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_method_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `access_flags`
[INFO] [stdout]    --> src/classfile/class_reader.rs:303:17
[INFO] [stdout]     |
[INFO] [stdout] 303 |             let access_flags = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_access_flags`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `descriptor_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:305:17
[INFO] [stdout]     |
[INFO] [stdout] 305 |             let descriptor_index = self.read_u16()?;
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_descriptor_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:310:17
[INFO] [stdout]     |
[INFO] [stdout] 310 |             for attr_index in 0..attributes_count {
[INFO] [stdout]     |                 ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attr_index`
[INFO] [stdout]    --> src/classfile/class_reader.rs:323:13
[INFO] [stdout]     |
[INFO] [stdout] 323 |         for attr_index in 0..attributes_count {
[INFO] [stdout]     |             ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_attr_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `magic`, `minor_version`, and `interfaces_count` are never read
[INFO] [stdout]   --> src/classfile/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ClassFile {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     pub magic: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 11 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub interfaces_count: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemberInfo` is never constructed
[INFO] [stdout]   --> src/classfile/class_reader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct MemberInfo {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_PUBLIC` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | const ACC_PUBLIC: u32 = 0x0001;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_FINAL` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const ACC_FINAL: u32 = 0x0010;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_SUPER` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const ACC_SUPER: u32 = 0x0020;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_INTERFACE` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | const ACC_INTERFACE: u32 = 0x0200;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ABSTRACT` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const ACC_ABSTRACT: u32 = 0x0400;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_SYNTHETIC` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | const ACC_SYNTHETIC: u32 = 0x1000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ANNOTATION` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | const ACC_ANNOTATION: u32 = 0x2000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ENUM` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | const ACC_ENUM: u32 = 0x4000;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AttributeInfo` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum AttributeInfo {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AttributeInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ConstantInteger {
[INFO] [stdout]    |     --------------- field in this variant
[INFO] [stdout] 62 |         value: u32
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     ConstantFloat {
[INFO] [stdout]    |     ------------- field in this variant
[INFO] [stdout] 65 |         value: u32
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     ConstantLong {
[INFO] [stdout]    |     ------------ field in this variant
[INFO] [stdout] 68 |         value: u64
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     ConstantDouble {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 71 |         value: u64
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ConstantString {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 77 |         index: u16
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name_index` and `descriptor_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ConstantNameAndType {
[INFO] [stdout]    |     ------------------- fields in this variant
[INFO] [stdout] 83 |         name_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 84 |         descriptor_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_index` and `name_and_type_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     ConstantFieldReference {
[INFO] [stdout]    |     ---------------------- fields in this variant
[INFO] [stdout] 87 |         class_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 88 |         name_and_type_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_index` and `name_and_type_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     ConstantMethodReference {
[INFO] [stdout]    |     ----------------------- fields in this variant
[INFO] [stdout] 91 |         class_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 92 |         name_and_type_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_index` and `name_and_type_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ConstantInterfaceMethodReference {
[INFO] [stdout]    |     -------------------------------- fields in this variant
[INFO] [stdout] 95 |         class_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 96 |         name_and_type_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `descriptor_index` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     ConstantMethodType {
[INFO] [stdout]    |     ------------------ field in this variant
[INFO] [stdout] 99 |         descriptor_index: u16
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ref_kind` and `ref_kind_index` are never read
[INFO] [stdout]    --> src/classfile/class_reader.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     ConstantMethodHandle {
[INFO] [stdout]     |     -------------------- fields in this variant
[INFO] [stdout] 102 |         ref_kind: u8,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 103 |         ref_kind_index: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bootstrap_method_attr_index` and `name_and_type_index` are never read
[INFO] [stdout]    --> src/classfile/class_reader.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     ConstantInvokeDynamic {
[INFO] [stdout]     |     --------------------- fields in this variant
[INFO] [stdout] 106 |         bootstrap_method_attr_index: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |         name_and_type_index: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Thread` is never constructed
[INFO] [stdout]  --> src/runtime/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Thread {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]   --> src/runtime/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Stack {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lower` is never read
[INFO] [stdout]   --> src/runtime/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Frame {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     pub lower: Option<Box<Frame>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_thread` is never used
[INFO] [stdout]   --> src/runtime/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Thread {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new_thread() -> Thread {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_stack` is never used
[INFO] [stdout]   --> src/runtime/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Stack {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 49 |     fn new_stack(max_size: usize) -> Stack {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `magic`, `minor_version`, and `interfaces_count` are never read
[INFO] [stdout]   --> src/classfile/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct ClassFile {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     pub magic: u32,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 11 |     pub minor_version: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub interfaces_count: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MemberInfo` is never constructed
[INFO] [stdout]   --> src/classfile/class_reader.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct MemberInfo {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_PUBLIC` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:47:7
[INFO] [stdout]    |
[INFO] [stdout] 47 | const ACC_PUBLIC: u32 = 0x0001;
[INFO] [stdout]    |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_FINAL` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:48:7
[INFO] [stdout]    |
[INFO] [stdout] 48 | const ACC_FINAL: u32 = 0x0010;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_SUPER` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:49:7
[INFO] [stdout]    |
[INFO] [stdout] 49 | const ACC_SUPER: u32 = 0x0020;
[INFO] [stdout]    |       ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_INTERFACE` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:50:7
[INFO] [stdout]    |
[INFO] [stdout] 50 | const ACC_INTERFACE: u32 = 0x0200;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ABSTRACT` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:51:7
[INFO] [stdout]    |
[INFO] [stdout] 51 | const ACC_ABSTRACT: u32 = 0x0400;
[INFO] [stdout]    |       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_SYNTHETIC` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:52:7
[INFO] [stdout]    |
[INFO] [stdout] 52 | const ACC_SYNTHETIC: u32 = 0x1000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ANNOTATION` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:53:7
[INFO] [stdout]    |
[INFO] [stdout] 53 | const ACC_ANNOTATION: u32 = 0x2000;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `ACC_ENUM` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:54:7
[INFO] [stdout]    |
[INFO] [stdout] 54 | const ACC_ENUM: u32 = 0x4000;
[INFO] [stdout]    |       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AttributeInfo` is never used
[INFO] [stdout]   --> src/classfile/class_reader.rs:57:10
[INFO] [stdout]    |
[INFO] [stdout] 57 | pub enum AttributeInfo {}
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `AttributeInfo` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 61 |     ConstantInteger {
[INFO] [stdout]    |     --------------- field in this variant
[INFO] [stdout] 62 |         value: u32
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:65:9
[INFO] [stdout]    |
[INFO] [stdout] 64 |     ConstantFloat {
[INFO] [stdout]    |     ------------- field in this variant
[INFO] [stdout] 65 |         value: u32
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:68:9
[INFO] [stdout]    |
[INFO] [stdout] 67 |     ConstantLong {
[INFO] [stdout]    |     ------------ field in this variant
[INFO] [stdout] 68 |         value: u64
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:71:9
[INFO] [stdout]    |
[INFO] [stdout] 70 |     ConstantDouble {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 71 |         value: u64
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `index` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:77:9
[INFO] [stdout]    |
[INFO] [stdout] 76 |     ConstantString {
[INFO] [stdout]    |     -------------- field in this variant
[INFO] [stdout] 77 |         index: u16
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name_index` and `descriptor_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:83:9
[INFO] [stdout]    |
[INFO] [stdout] 82 |     ConstantNameAndType {
[INFO] [stdout]    |     ------------------- fields in this variant
[INFO] [stdout] 83 |         name_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 84 |         descriptor_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_index` and `name_and_type_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:87:9
[INFO] [stdout]    |
[INFO] [stdout] 86 |     ConstantFieldReference {
[INFO] [stdout]    |     ---------------------- fields in this variant
[INFO] [stdout] 87 |         class_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 88 |         name_and_type_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_index` and `name_and_type_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |     ConstantMethodReference {
[INFO] [stdout]    |     ----------------------- fields in this variant
[INFO] [stdout] 91 |         class_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 92 |         name_and_type_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `class_index` and `name_and_type_index` are never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:95:9
[INFO] [stdout]    |
[INFO] [stdout] 94 |     ConstantInterfaceMethodReference {
[INFO] [stdout]    |     -------------------------------- fields in this variant
[INFO] [stdout] 95 |         class_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 96 |         name_and_type_index: u16,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `descriptor_index` is never read
[INFO] [stdout]   --> src/classfile/class_reader.rs:99:9
[INFO] [stdout]    |
[INFO] [stdout] 98 |     ConstantMethodType {
[INFO] [stdout]    |     ------------------ field in this variant
[INFO] [stdout] 99 |         descriptor_index: u16
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `ref_kind` and `ref_kind_index` are never read
[INFO] [stdout]    --> src/classfile/class_reader.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 101 |     ConstantMethodHandle {
[INFO] [stdout]     |     -------------------- fields in this variant
[INFO] [stdout] 102 |         ref_kind: u8,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 103 |         ref_kind_index: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bootstrap_method_attr_index` and `name_and_type_index` are never read
[INFO] [stdout]    --> src/classfile/class_reader.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     ConstantInvokeDynamic {
[INFO] [stdout]     |     --------------------- fields in this variant
[INFO] [stdout] 106 |         bootstrap_method_attr_index: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 107 |         name_and_type_index: u16,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Thread` is never constructed
[INFO] [stdout]  --> src/runtime/mod.rs:8:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub struct Thread {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Stack` is never constructed
[INFO] [stdout]   --> src/runtime/mod.rs:13:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub struct Stack {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `lower` is never read
[INFO] [stdout]   --> src/runtime/mod.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 21 | pub struct Frame {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 22 |     pub lower: Option<Box<Frame>>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_thread` is never used
[INFO] [stdout]   --> src/runtime/mod.rs:40:12
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl Thread {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 40 |     pub fn new_thread() -> Thread {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new_stack` is never used
[INFO] [stdout]   --> src/runtime/mod.rs:49:8
[INFO] [stdout]    |
[INFO] [stdout] 48 | impl Stack {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 49 |     fn new_stack(max_size: usize) -> Stack {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 52 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.33s
[INFO] running `Command { std: "docker" "inspect" "ade1c92ea9429921cc0603e2c294c76537658dedb047949ebb1650a156a19ced", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ade1c92ea9429921cc0603e2c294c76537658dedb047949ebb1650a156a19ced", kill_on_drop: false }`
[INFO] [stdout] ade1c92ea9429921cc0603e2c294c76537658dedb047949ebb1650a156a19ced