[INFO] cloning repository https://github.com/funnyboy-roks/jvm
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/funnyboy-roks/jvm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyboy-roks%2Fjvm", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyboy-roks%2Fjvm'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 30deb182739c53427ef3d8d2c0d82657d13f2d13
[INFO] checking funnyboy-roks/jvm against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyboy-roks%2Fjvm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/funnyboy-roks/jvm on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/funnyboy-roks/jvm
[INFO] finished tweaking git repo https://github.com/funnyboy-roks/jvm
[INFO] tweaked toml for git repo https://github.com/funnyboy-roks/jvm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/funnyboy-roks/jvm 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "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
[ERROR] error running command: no output for 300 seconds
[INFO] checking funnyboy-roks/jvm against try#ae258e1fcbee4a062f5f3d869f06004d7cea088e for pr-135272
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffunnyboy-roks%2Fjvm" "/workspace/builds/worker-2-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/funnyboy-roks/jvm on toolchain ae258e1fcbee4a062f5f3d869f06004d7cea088e
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/funnyboy-roks/jvm
[INFO] finished tweaking git repo https://github.com/funnyboy-roks/jvm
[INFO] tweaked toml for git repo https://github.com/funnyboy-roks/jvm written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/funnyboy-roks/jvm 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" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "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-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e91b3c7c2d965d36ae7f675069731763e2d3614bd837d829093910a602d1503
[INFO] running `Command { std: "docker" "start" "-a" "7e91b3c7c2d965d36ae7f675069731763e2d3614bd837d829093910a602d1503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e91b3c7c2d965d36ae7f675069731763e2d3614bd837d829093910a602d1503", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e91b3c7c2d965d36ae7f675069731763e2d3614bd837d829093910a602d1503", kill_on_drop: false }`
[INFO] [stdout] 7e91b3c7c2d965d36ae7f675069731763e2d3614bd837d829093910a602d1503
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+ae258e1fcbee4a062f5f3d869f06004d7cea088e" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 14bd65ea22b9d28348783b6fd76b3216a988967f5bee102b57276766357ab5e7
[INFO] running `Command { std: "docker" "start" "-a" "14bd65ea22b9d28348783b6fd76b3216a988967f5bee102b57276766357ab5e7", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.76
[INFO] [stderr]     Checking cesu8 v1.1.0
[INFO] [stderr]     Checking bitflags v2.4.1
[INFO] [stderr]     Checking class-files v0.1.0 (/opt/rustwide/workdir/class-files)
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> class-files/src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Seek};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> class-files/src/lib.rs:1:15
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::io::{self, Read, Seek};
[INFO] [stdout]   |               ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `inner_class_info`, `outer_class_info`, `inner_name`, and `inner_class_access_flags` are never read
[INFO] [stdout]   --> class-files/src/types/resolved.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct InnerClassInfo<'a> {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 79 |     inner_class_info: &'a RawConstant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |     outer_class_info: &'a RawConstant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 81 |     inner_name: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 82 |     inner_class_access_flags: NestedClassAccessFlags,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InnerClassInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_pc` and `line_number` are never read
[INFO] [stdout]   --> class-files/src/types/resolved.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct LineNumber {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 87 |     start_pc: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 88 |     line_number: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LineNumber` 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 `start_pc`, `length`, `name`, `descriptor`, and `index` are never read
[INFO] [stdout]   --> class-files/src/types/resolved.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct LocalVariable<'a> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 93 |     start_pc: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 94 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 95 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 96 |     descriptor: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 97 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalVariable` 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 `start_pc`, `length`, `name`, `signature`, and `index` are never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct LocalVariableType<'a> {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 102 |     start_pc: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 103 |     length: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 104 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 105 |     signature: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 106 |     index: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LocalVariableType` 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: field `name` is never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct AnnotationElement<'a> {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 111 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AnnotationElement` 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 `ty` and `elements` are never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Annotation<'a> {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 121 |     ty: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     elements: Vec<AnnotationElement<'a>>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Annotation` 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 `method_ref` and `arguments` are never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct BootstrapMethod<'a> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 129 |     method_ref: &'a RawConstant,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 130 |     arguments: Vec<&'a RawConstant>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BootstrapMethod` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking jvm v0.1.0 (/opt/rustwide/workdir/jvm)
[INFO] [stdout] warning: fields `inner_class_info`, `outer_class_info`, `inner_name`, and `inner_class_access_flags` are never read
[INFO] [stdout]   --> class-files/src/types/resolved.rs:79:5
[INFO] [stdout]    |
[INFO] [stdout] 78 | pub struct InnerClassInfo<'a> {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 79 |     inner_class_info: &'a RawConstant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 80 |     outer_class_info: &'a RawConstant,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 81 |     inner_name: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 82 |     inner_class_access_flags: NestedClassAccessFlags,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InnerClassInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `start_pc` and `line_number` are never read
[INFO] [stdout]   --> class-files/src/types/resolved.rs:87:5
[INFO] [stdout]    |
[INFO] [stdout] 86 | pub struct LineNumber {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 87 |     start_pc: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 88 |     line_number: usize,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LineNumber` 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 `start_pc`, `length`, `name`, `descriptor`, and `index` are never read
[INFO] [stdout]   --> class-files/src/types/resolved.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 92 | pub struct LocalVariable<'a> {
[INFO] [stdout]    |            ------------- fields in this struct
[INFO] [stdout] 93 |     start_pc: usize,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 94 |     length: usize,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 95 |     name: &'a str,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 96 |     descriptor: &'a str,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 97 |     index: usize,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `LocalVariable` 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 `start_pc`, `length`, `name`, `signature`, and `index` are never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:102:5
[INFO] [stdout]     |
[INFO] [stdout] 101 | pub struct LocalVariableType<'a> {
[INFO] [stdout]     |            ----------------- fields in this struct
[INFO] [stdout] 102 |     start_pc: usize,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 103 |     length: usize,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 104 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 105 |     signature: &'a str,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 106 |     index: usize,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `LocalVariableType` 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: field `name` is never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:111:5
[INFO] [stdout]     |
[INFO] [stdout] 110 | pub struct AnnotationElement<'a> {
[INFO] [stdout]     |            ----------------- field in this struct
[INFO] [stdout] 111 |     name: &'a str,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `AnnotationElement` 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 `ty` and `elements` are never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 118 | pub struct Annotation<'a> {
[INFO] [stdout]     |            ---------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 121 |     ty: &'a str,
[INFO] [stdout]     |     ^^
[INFO] [stdout] ...
[INFO] [stdout] 124 |     elements: Vec<AnnotationElement<'a>>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Annotation` 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 `method_ref` and `arguments` are never read
[INFO] [stdout]    --> class-files/src/types/resolved.rs:129:5
[INFO] [stdout]     |
[INFO] [stdout] 128 | pub struct BootstrapMethod<'a> {
[INFO] [stdout]     |            --------------- fields in this struct
[INFO] [stdout] 129 |     method_ref: &'a RawConstant,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 130 |     arguments: Vec<&'a RawConstant>,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `BootstrapMethod` 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: unused import: `ensure`
[INFO] [stdout]  --> jvm/src/op_code.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{bail, ensure, Context};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ensure`
[INFO] [stdout]  --> jvm/src/op_code.rs:3:20
[INFO] [stdout]   |
[INFO] [stdout] 3 | use anyhow::{bail, ensure, Context};
[INFO] [stdout]   |                    ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exception_table`
[INFO] [stdout]    --> jvm/src/op_code.rs:620:17
[INFO] [stdout]     |
[INFO] [stdout] 620 |                 exception_table,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: try removing the field
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exception_table`
[INFO] [stdout]    --> jvm/src/op_code.rs:620:17
[INFO] [stdout]     |
[INFO] [stdout] 620 |                 exception_table,
[INFO] [stdout]     |                 ^^^^^^^^^^^^^^^-
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: try removing the field
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> jvm/src/op_code.rs:621:17
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 attributes,
[INFO] [stdout]     |                 ^^^^^^^^^^-
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> jvm/src/op_code.rs:621:17
[INFO] [stdout]     |
[INFO] [stdout] 621 |                 attributes,
[INFO] [stdout]     |                 ^^^^^^^^^^-
[INFO] [stdout]     |                 |
[INFO] [stdout]     |                 help: try removing the field
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> jvm/src/types.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             code,
[INFO] [stdout]     |             ^^^^ help: try ignoring the field: `code: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `code`
[INFO] [stdout]    --> jvm/src/types.rs:141:13
[INFO] [stdout]     |
[INFO] [stdout] 141 |             code,
[INFO] [stdout]     |             ^^^^ help: try ignoring the field: `code: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exception_table`
[INFO] [stdout]    --> jvm/src/types.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             exception_table,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: try ignoring the field: `exception_table: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exception_table`
[INFO] [stdout]    --> jvm/src/types.rs:142:13
[INFO] [stdout]     |
[INFO] [stdout] 142 |             exception_table,
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^ help: try ignoring the field: `exception_table: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> jvm/src/types.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             attributes,
[INFO] [stdout]     |             ^^^^^^^^^^ help: try ignoring the field: `attributes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `attributes`
[INFO] [stdout]    --> jvm/src/types.rs:143:13
[INFO] [stdout]     |
[INFO] [stdout] 143 |             attributes,
[INFO] [stdout]     |             ^^^^^^^^^^ help: try ignoring the field: `attributes: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Object`, `Primitive`, `Null`, and `Empty` are never constructed
[INFO] [stdout]    --> jvm/src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub(crate) enum HeapItem {
[INFO] [stdout]     |                 -------- variants in this enum
[INFO] [stdout] 108 |     Object {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     Primitive(
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     Null,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 116 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeapItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Object`, `Primitive`, `Null`, and `Empty` are never constructed
[INFO] [stdout]    --> jvm/src/main.rs:108:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | pub(crate) enum HeapItem {
[INFO] [stdout]     |                 -------- variants in this enum
[INFO] [stdout] 108 |     Object {
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 111 |     Primitive(
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 115 |     Null,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 116 |     Empty,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `HeapItem` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `collect_garbage`, `is_valid_reference`, and `remove` are never used
[INFO] [stdout]    --> jvm/src/main.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl Heap {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 141 |     pub fn collect_garbage(&mut self) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn is_valid_reference(&self, index: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn remove(&mut self, index: usize) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `collect_garbage`, `is_valid_reference`, and `remove` are never used
[INFO] [stdout]    --> jvm/src/main.rs:141:12
[INFO] [stdout]     |
[INFO] [stdout] 140 | impl Heap {
[INFO] [stdout]     | --------- methods in this implementation
[INFO] [stdout] 141 |     pub fn collect_garbage(&mut self) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 148 |     pub fn is_valid_reference(&self, index: usize) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 152 |     pub fn remove(&mut self, index: usize) -> anyhow::Result<()> {
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.78s
[INFO] running `Command { std: "docker" "inspect" "14bd65ea22b9d28348783b6fd76b3216a988967f5bee102b57276766357ab5e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14bd65ea22b9d28348783b6fd76b3216a988967f5bee102b57276766357ab5e7", kill_on_drop: false }`
[INFO] [stdout] 14bd65ea22b9d28348783b6fd76b3216a988967f5bee102b57276766357ab5e7
