[INFO] cloning repository https://github.com/knightvertrag/lockhart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knightvertrag/lockhart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightvertrag%2Flockhart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightvertrag%2Flockhart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] e3aa840fd8c2c48f8c3337c766afab113ea37c9d
[INFO] testing knightvertrag/lockhart against nightly-2025-01-18 for randomize-layout-3
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightvertrag%2Flockhart" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/knightvertrag/lockhart on toolchain nightly-2025-01-18
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/knightvertrag/lockhart
[INFO] finished tweaking git repo https://github.com/knightvertrag/lockhart
[INFO] tweaked toml for git repo https://github.com/knightvertrag/lockhart written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/knightvertrag/lockhart 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" "+nightly-2025-01-18" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded unicode-width v0.1.9
[INFO] [stderr]   Downloaded endian-type v0.1.2
[INFO] [stderr]   Downloaded phf_generator v0.10.0
[INFO] [stderr]   Downloaded phf v0.10.1
[INFO] [stderr]   Downloaded errno-dragonfly v0.1.2
[INFO] [stderr]   Downloaded phf_macros v0.10.0
[INFO] [stderr]   Downloaded phf_shared v0.10.0
[INFO] [stderr]   Downloaded nibble_vec v0.1.0
[INFO] [stderr]   Downloaded ppv-lite86 v0.2.16
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded proc-macro2 v1.0.37
[INFO] [stderr]   Downloaded io-lifetimes v0.6.1
[INFO] [stderr]   Downloaded cc v1.0.73
[INFO] [stderr]   Downloaded unicode-segmentation v1.9.0
[INFO] [stderr]   Downloaded rustyline v9.1.2
[INFO] [stderr]   Downloaded log v0.4.16
[INFO] [stderr]   Downloaded radix_trie v0.2.1
[INFO] [stderr]   Downloaded autocfg v1.1.0
[INFO] [stderr]   Downloaded smallvec v1.8.0
[INFO] [stderr]   Downloaded syn v1.0.91
[INFO] [stderr]   Downloaded wasi v0.10.2+wasi-snapshot-preview1
[INFO] [stderr]   Downloaded nix v0.23.1
[INFO] [stderr]   Downloaded getrandom v0.2.6
[INFO] [stderr]   Downloaded rustix v0.34.6
[INFO] [stderr]   Downloaded redox_syscall v0.2.13
[INFO] [stderr]   Downloaded quote v1.0.18
[INFO] [stderr]   Downloaded thiserror-impl v1.0.30
[INFO] [stderr]   Downloaded redox_users v0.4.3
[INFO] [stderr]   Downloaded dirs-next v2.0.0
[INFO] [stderr]   Downloaded fd-lock v3.0.5
[INFO] [stderr]   Downloaded siphasher v0.3.10
[INFO] [stderr]   Downloaded thiserror v1.0.30
[INFO] [stderr]   Downloaded dirs-sys-next v0.1.2
[INFO] [stderr]   Downloaded errno v0.2.8
[INFO] [stderr]   Downloaded utf8parse v0.2.0
[INFO] [stderr]   Downloaded str-buf v1.0.5
[INFO] [stderr]   Downloaded libc v0.2.124
[INFO] [stderr]   Downloaded windows_aarch64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_i686_msvc v0.30.0
[INFO] [stderr]   Downloaded windows_x86_64_gnu v0.30.0
[INFO] [stderr]   Downloaded linux-raw-sys v0.0.46
[INFO] [stderr]   Downloaded windows_i686_gnu v0.30.0
[INFO] [stderr]   Downloaded error-code v2.3.1
[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 90e73e3f3d1ce4a3430e1b9c9d37b7a6a350c496a430846b83105771810b42ba
[INFO] running `Command { std: "docker" "start" "-a" "90e73e3f3d1ce4a3430e1b9c9d37b7a6a350c496a430846b83105771810b42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "90e73e3f3d1ce4a3430e1b9c9d37b7a6a350c496a430846b83105771810b42ba", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90e73e3f3d1ce4a3430e1b9c9d37b7a6a350c496a430846b83105771810b42ba", kill_on_drop: false }`
[INFO] [stdout] 90e73e3f3d1ce4a3430e1b9c9d37b7a6a350c496a430846b83105771810b42ba
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5db778aea815f01faa7e372f0e00ca1aefedfb02a2936fb29801702e752f0a83
[INFO] running `Command { std: "docker" "start" "-a" "5db778aea815f01faa7e372f0e00ca1aefedfb02a2936fb29801702e752f0a83", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling unicode-xid v0.2.2
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling proc-macro-hack v0.5.19
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling rustix v0.34.6
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling fd-lock v3.0.5
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling rustyline v9.1.2
[INFO] [stderr]    Compiling lockhart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/chunk/disassemble.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Lineno`
[INFO] [stdout]  --> src/chunk/disassemble.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::Lineno;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `disassemble::disassemble_chunk`
[INFO] [stdout]  --> src/compiler.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_chunk, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `Write`
[INFO] [stdout]  --> src/gc.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{Display, Write},
[INFO] [stdout]   |           ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/gc.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     object::{self, ObjString, ObjectType},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/lexer/tests.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `cmp::max`
[INFO] [stdout]  --> src/vm.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, cmp::max, ptr::null};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `disassemble::disassemble_instruction`
[INFO] [stdout]  --> src/vm.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_instruction, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:64
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_MOD` is never constructed
[INFO] [stdout]   --> src/bytecode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Opcode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     OP_MOD,
[INFO] [stdout]    |     ^^^^^^
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/chunk.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lineno(pub usize);
[INFO] [stdout]   |            ------ ^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Lineno` 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: function `disassemble_chunk` is never used
[INFO] [stdout]  --> src/chunk/disassemble.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PrecPrimary` is never constructed
[INFO] [stdout]   --> src/compiler/precedence.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     PrecPrimary,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_gc` and `grey_stack` are never read
[INFO] [stdout]   --> src/gc.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Gc {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 75 |     next_gc: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     grey_stack: Vec<NonNull<GcObject>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `HEAP_GROW_FACTOR` is never used
[INFO] [stdout]   --> src/gc.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Gc {
[INFO] [stdout]    | ------- associated constant in this implementation
[INFO] [stdout] 82 |     const HEAP_GROW_FACTOR: usize = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLASS` is never constructed
[INFO] [stdout]  --> src/object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ObjectType {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     CLASS,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ObjectType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `iter` and `add_all` are never used
[INFO] [stdout]    --> src/table.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl Table {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98  |     pub fn iter(&self) -> IterTable {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_all(&mut self, from: &Table) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     InterpretRuntimeError(String),
[INFO] [stdout]    |     --------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is 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 |     InterpretRuntimeError(()),
[INFO] [stdout]    |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretCompileError` is never constructed
[INFO] [stdout]   --> src/vm.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 39 |     InterpretCompileError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `offset` is never used
[INFO] [stdout]   --> src/vm.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl CallFrame {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]   --> src/vm.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn alloc<T>(&mut self, object: T) -> GcRef<T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.96s
[INFO] running `Command { std: "docker" "inspect" "5db778aea815f01faa7e372f0e00ca1aefedfb02a2936fb29801702e752f0a83", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5db778aea815f01faa7e372f0e00ca1aefedfb02a2936fb29801702e752f0a83", kill_on_drop: false }`
[INFO] [stdout] 5db778aea815f01faa7e372f0e00ca1aefedfb02a2936fb29801702e752f0a83
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b54a650e8ee102907245c9bbc548d86d6f5a893dc541a0d145210296bec6e3b7
[INFO] running `Command { std: "docker" "start" "-a" "b54a650e8ee102907245c9bbc548d86d6f5a893dc541a0d145210296bec6e3b7", kill_on_drop: false }`
[INFO] [stderr]    Compiling lockhart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/chunk/disassemble.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::Lineno`
[INFO] [stdout]  --> src/chunk/disassemble.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::Lineno;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `disassemble::disassemble_chunk`
[INFO] [stdout]  --> src/compiler.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_chunk, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Display` and `Write`
[INFO] [stdout]  --> src/gc.rs:2:11
[INFO] [stdout]   |
[INFO] [stdout] 2 |     fmt::{Display, Write},
[INFO] [stdout]   |           ^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/gc.rs:9:14
[INFO] [stdout]   |
[INFO] [stdout] 9 |     object::{self, ObjString, ObjectType},
[INFO] [stdout]   |              ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `cmp::max`
[INFO] [stdout]  --> src/vm.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, cmp::max, ptr::null};
[INFO] [stdout]   |           ^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `disassemble::disassemble_instruction`
[INFO] [stdout]  --> src/vm.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_instruction, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:64
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_MOD` is never constructed
[INFO] [stdout]   --> src/bytecode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum Opcode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     OP_MOD,
[INFO] [stdout]    |     ^^^^^^
[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]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/chunk.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lineno(pub usize);
[INFO] [stdout]   |            ------ ^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Lineno` 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: function `disassemble_chunk` is never used
[INFO] [stdout]  --> src/chunk/disassemble.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PrecPrimary` is never constructed
[INFO] [stdout]   --> src/compiler/precedence.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 2  | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     PrecPrimary,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `next_gc` and `grey_stack` are never read
[INFO] [stdout]   --> src/gc.rs:75:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | pub struct Gc {
[INFO] [stdout]    |            -- fields in this struct
[INFO] [stdout] 75 |     next_gc: usize,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 78 |     grey_stack: Vec<NonNull<GcObject>>,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `HEAP_GROW_FACTOR` is never used
[INFO] [stdout]   --> src/gc.rs:82:11
[INFO] [stdout]    |
[INFO] [stdout] 81 | impl Gc {
[INFO] [stdout]    | ------- associated constant in this implementation
[INFO] [stdout] 82 |     const HEAP_GROW_FACTOR: usize = 2;
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLASS` is never constructed
[INFO] [stdout]  --> src/object.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ObjectType {
[INFO] [stdout]   |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     CLASS,
[INFO] [stdout]   |     ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ObjectType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `iter` and `add_all` are never used
[INFO] [stdout]    --> src/table.rs:98:12
[INFO] [stdout]     |
[INFO] [stdout] 19  | impl Table {
[INFO] [stdout]     | ---------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 98  |     pub fn iter(&self) -> IterTable {
[INFO] [stdout]     |            ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_all(&mut self, from: &Table) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     InterpretRuntimeError(String),
[INFO] [stdout]    |     --------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is 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 |     InterpretRuntimeError(()),
[INFO] [stdout]    |                           ~~
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretCompileError` is never constructed
[INFO] [stdout]   --> src/vm.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 39 |     InterpretCompileError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `offset` is never used
[INFO] [stdout]   --> src/vm.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl CallFrame {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]   --> src/vm.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn alloc<T>(&mut self, object: T) -> GcRef<T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.96s
[INFO] running `Command { std: "docker" "inspect" "b54a650e8ee102907245c9bbc548d86d6f5a893dc541a0d145210296bec6e3b7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b54a650e8ee102907245c9bbc548d86d6f5a893dc541a0d145210296bec6e3b7", kill_on_drop: false }`
[INFO] [stdout] b54a650e8ee102907245c9bbc548d86d6f5a893dc541a0d145210296bec6e3b7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:819108c5571ea2e421544af4d832f968d213c87fbe3707a016657f43d2f853bc" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2025-01-18" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 167a64687908898a5f8fcea770265a6b5cf7e37e4e896c05fd673fe0938cf806
[INFO] running `Command { std: "docker" "start" "-a" "167a64687908898a5f8fcea770265a6b5cf7e37e4e896c05fd673fe0938cf806", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stderr]  --> src/chunk/disassemble.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cell::RefCell, rc::Rc};
[INFO] [stderr]   |           ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Lineno`
[INFO] [stderr]  --> src/chunk/disassemble.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::Lineno;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `disassemble::disassemble_chunk`
[INFO] [stderr]  --> src/compiler.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     chunk::{disassemble::disassemble_chunk, Chunk, Lineno},
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Display` and `Write`
[INFO] [stderr]  --> src/gc.rs:2:11
[INFO] [stderr]   |
[INFO] [stderr] 2 |     fmt::{Display, Write},
[INFO] [stderr]   |           ^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/gc.rs:9:14
[INFO] [stderr]   |
[INFO] [stderr] 9 |     object::{self, ObjString, ObjectType},
[INFO] [stderr]   |              ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `cell::RefCell` and `cmp::max`
[INFO] [stderr]  --> src/vm.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cell::RefCell, cmp::max, ptr::null};
[INFO] [stderr]   |           ^^^^^^^^^^^^^  ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Chunk` and `disassemble::disassemble_instruction`
[INFO] [stderr]  --> src/vm.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     chunk::{disassemble::disassemble_instruction, Chunk, Lineno},
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/chunk/disassemble.rs:37:64
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stderr]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `OP_MOD` is never constructed
[INFO] [stderr]   --> src/bytecode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 4  | pub enum Opcode {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 13 |     OP_MOD,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]  --> src/chunk.rs:5:19
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Lineno(pub usize);
[INFO] [stderr]   |            ------ ^^^^^^^^^
[INFO] [stderr]   |            |
[INFO] [stderr]   |            field in this struct
[INFO] [stderr]   |
[INFO] [stderr]   = help: consider removing this field
[INFO] [stderr]   = note: `Lineno` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: function `disassemble_chunk` is never used
[INFO] [stderr]  --> src/chunk/disassemble.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `disassemble_instruction` is never used
[INFO] [stderr]   --> src/chunk/disassemble.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `constant_instruction` is never used
[INFO] [stderr]   --> src/chunk/disassemble.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PrecPrimary` is never constructed
[INFO] [stderr]   --> src/compiler/precedence.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 2  | pub enum Precedence {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 13 |     PrecPrimary,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `next_gc` and `grey_stack` are never read
[INFO] [stderr]   --> src/gc.rs:75:5
[INFO] [stderr]    |
[INFO] [stderr] 74 | pub struct Gc {
[INFO] [stderr]    |            -- fields in this struct
[INFO] [stderr] 75 |     next_gc: usize,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 78 |     grey_stack: Vec<NonNull<GcObject>>,
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `HEAP_GROW_FACTOR` is never used
[INFO] [stderr]   --> src/gc.rs:82:11
[INFO] [stderr]    |
[INFO] [stderr] 81 | impl Gc {
[INFO] [stderr]    | ------- associated constant in this implementation
[INFO] [stderr] 82 |     const HEAP_GROW_FACTOR: usize = 2;
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CLASS` is never constructed
[INFO] [stderr]  --> src/object.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub enum ObjectType {
[INFO] [stderr]   |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 7 |     CLASS,
[INFO] [stderr]   |     ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `ObjectType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: methods `iter` and `add_all` are never used
[INFO] [stderr]    --> src/table.rs:98:12
[INFO] [stderr]     |
[INFO] [stderr] 19  | impl Table {
[INFO] [stderr]     | ---------- methods in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 98  |     pub fn iter(&self) -> IterTable {
[INFO] [stderr]     |            ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 142 |     pub fn add_all(&mut self, from: &Table) {
[INFO] [stderr]     |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `0` is never read
[INFO] [stderr]   --> src/vm.rs:40:27
[INFO] [stderr]    |
[INFO] [stderr] 40 |     InterpretRuntimeError(String),
[INFO] [stderr]    |     --------------------- ^^^^^^
[INFO] [stderr]    |     |
[INFO] [stderr]    |     field in this variant
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stderr]    |
[INFO] [stderr] 40 |     InterpretRuntimeError(()),
[INFO] [stderr]    |                           ~~
[INFO] [stderr] 
[INFO] [stderr] warning: variant `InterpretCompileError` is never constructed
[INFO] [stderr]   --> src/vm.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum InterpretError {
[INFO] [stderr]    |          -------------- variant in this enum
[INFO] [stderr] 39 |     InterpretCompileError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `offset` is never used
[INFO] [stderr]   --> src/vm.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl CallFrame {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn offset(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `alloc` is never used
[INFO] [stderr]   --> src/vm.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | impl Vm {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 97 |     fn alloc<T>(&mut self, object: T) -> GcRef<T> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lockhart` (bin "lockhart" test) generated 22 warnings (run `cargo fix --bin "lockhart" --tests` to apply 7 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lockhart-5593e52eb7c7144e)
[INFO] [stdout] 
[INFO] [stdout] running 3 tests
[INFO] [stdout] test lexer::tests::test_comments ... ok
[INFO] [stdout] test lexer::tests::test_error ... ok
[INFO] [stdout] test lexer::tests::test_token_next ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 3 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "167a64687908898a5f8fcea770265a6b5cf7e37e4e896c05fd673fe0938cf806", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "167a64687908898a5f8fcea770265a6b5cf7e37e4e896c05fd673fe0938cf806", kill_on_drop: false }`
[INFO] [stdout] 167a64687908898a5f8fcea770265a6b5cf7e37e4e896c05fd673fe0938cf806
