[INFO] cloning repository https://github.com/MonkeyIsNull/TinyTotVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MonkeyIsNull/TinyTotVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonkeyIsNull%2FTinyTotVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonkeyIsNull%2FTinyTotVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 23bae66dc49afbde6eb688980156588bd53b26dc
[INFO] testing MonkeyIsNull/TinyTotVM against master#2fd6efc32704647e64d3d646d21c4c68eae100e4 for pr-149852-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMonkeyIsNull%2FTinyTotVM" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/MonkeyIsNull/TinyTotVM
[INFO] finished tweaking git repo https://github.com/MonkeyIsNull/TinyTotVM
[INFO] tweaked toml for git repo https://github.com/MonkeyIsNull/TinyTotVM written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/MonkeyIsNull/TinyTotVM on toolchain 2fd6efc32704647e64d3d646d21c4c68eae100e4
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/MonkeyIsNull/TinyTotVM 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" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded bytecount v0.6.9
[INFO] [stderr]   Downloaded tabled_derive v0.7.0
[INFO] [stderr]   Downloaded crossbeam v0.8.4
[INFO] [stderr]   Downloaded comfy-table v7.1.4
[INFO] [stderr]   Downloaded papergrid v0.11.0
[INFO] [stderr]   Downloaded crossterm v0.28.1
[INFO] [stderr]   Downloaded tabled v0.15.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b0f70d4cbd5bbbc0e6ccb13d2842ee4eca84f348819578cb586700535691b36e
[INFO] running `Command { std: "docker" "start" "-a" "b0f70d4cbd5bbbc0e6ccb13d2842ee4eca84f348819578cb586700535691b36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b0f70d4cbd5bbbc0e6ccb13d2842ee4eca84f348819578cb586700535691b36e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b0f70d4cbd5bbbc0e6ccb13d2842ee4eca84f348819578cb586700535691b36e", kill_on_drop: false }`
[INFO] [stdout] b0f70d4cbd5bbbc0e6ccb13d2842ee4eca84f348819578cb586700535691b36e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 35326e9b3e53dc4c0696d3a0c1efafcf133a4d3e0814bd317c274d5e9c9f70bf
[INFO] running `Command { std: "docker" "start" "-a" "35326e9b3e53dc4c0696d3a0c1efafcf133a4d3e0814bd317c274d5e9c9f70bf", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.95
[INFO] [stderr]    Compiling libc v0.2.174
[INFO] [stderr]    Compiling syn v1.0.109
[INFO] [stderr]    Compiling parking_lot_core v0.9.11
[INFO] [stderr]    Compiling lock_api v0.4.13
[INFO] [stderr]    Compiling cfg-if v1.0.1
[INFO] [stderr]    Compiling smallvec v1.15.1
[INFO] [stderr]    Compiling rustix v0.38.44
[INFO] [stderr]    Compiling bitflags v2.9.1
[INFO] [stderr]    Compiling linux-raw-sys v0.4.15
[INFO] [stderr]    Compiling bytecount v0.6.9
[INFO] [stderr]    Compiling crossbeam-channel v0.5.15
[INFO] [stderr]    Compiling crossbeam-queue v0.3.12
[INFO] [stderr]    Compiling papergrid v0.11.0
[INFO] [stderr]    Compiling unicode-width v0.2.1
[INFO] [stderr]    Compiling unicode-segmentation v1.12.0
[INFO] [stderr]    Compiling colored v2.2.0
[INFO] [stderr]    Compiling crossbeam v0.8.4
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling parking_lot v0.12.4
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]    Compiling crossterm v0.28.1
[INFO] [stderr]    Compiling comfy-table v7.1.4
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling tabled_derive v0.7.0
[INFO] [stderr]    Compiling tabled v0.15.0
[INFO] [stderr]    Compiling tiny_tot_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/benchmarks/performance_comparison.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_count` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:130:37
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut instruction_count = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory_peak` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:131:31
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut memory_peak = 0;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_count` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:162:37
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut instruction_count = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory_peak` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let mut memory_peak = 0;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/concurrency/pool.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]     --> src/cli/commands.rs:1078:21
[INFO] [stdout]      |
[INFO] [stdout] 1078 |     use std::time::{Duration, Instant};
[INFO] [stdout]      |                     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]     --> src/cli/commands.rs:1077:32
[INFO] [stdout]      |
[INFO] [stdout] 1077 | fn demo_performance_comparison(args: &CliArgs) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]      |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StackOps` is never used
[INFO] [stdout]  --> src/vm/stack.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait StackOps {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_stack_items` is never used
[INFO] [stdout]   --> src/vm/stack.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn check_stack_items(available: usize, needed: usize, _operation: &str) -> VMResult<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> src/vm/stack.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SafeStackOps<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 35 |     pub stack: &'a mut Vec<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VariableFrame` is never used
[INFO] [stdout]  --> src/vm/memory.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait VariableFrame {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]   --> src/vm/memory.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VariableManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub variables: Vec<HashMap<String, Value>>, // call frame stack
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]  --> src/gc/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait GcEngine: std::fmt::Debug + Send + Sync {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 9 |     fn alloc(&mut self, value: Value) -> GcRef;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_id` is never read
[INFO] [stdout]  --> src/gc/mark_sweep.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MarkSweepGc {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 8 |     objects: HashMap<usize, (Value, bool)>, // id -> (value, marked)
[INFO] [stdout] 9 |     next_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MarkSweepGc` 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 `next_id` is never read
[INFO] [stdout]  --> src/gc/no_gc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct NoGc {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     next_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NoGc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/gc/stats.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl GcRef {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new(id: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderedMessage` is never constructed
[INFO] [stdout]   --> src/concurrency/messages.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct OrderedMessage {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid` and `start_time` are never read
[INFO] [stdout]   --> src/concurrency/registry.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ProcessInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 20 |     pub pid: ProcId,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 21 |     pub start_time: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessInfo` 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 `running` is never read
[INFO] [stdout]   --> src/concurrency/scheduler.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scheduler {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub running: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scheduler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RunnableProcess` is never used
[INFO] [stdout]   --> src/concurrency/process.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait RunnableProcess: Send + Sync + std::fmt::Debug {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/concurrency/process.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct TinyProc {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub variables: Vec<HashMap<String, Value>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 73 |     pub try_stack: Vec<ExceptionHandler>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub lambda_captures: HashMap<String, Value>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 78 |     pub max_stack_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 79 |     pub instruction_count: usize,
[INFO] [stdout] 80 |     pub debug_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 81 |     pub breakpoints: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 82 |     pub gc_engine: Box<dyn GcEngine>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 83 |     pub _gc_stats_enabled: bool,
[INFO] [stdout] 84 |     pub profiler: Option<Profiler>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TinyProc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shutdown` and `child_type` are never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ChildSpec {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub shutdown: Shutdown,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 34 |     pub child_type: ChildType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChildSpec` 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 `strategy` is never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct SupervisorSpec {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 47 |     pub strategy: RestartStrategy,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SupervisorSpec` 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 `pid`, `spec`, `restart_count`, and `last_restart` are never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ChildState {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 55 |     pub pid: ProcId,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 56 |     pub spec: ChildSpec,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 57 |     pub restart_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub last_restart: std::time::Instant,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChildState` 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 `variables` is never read
[INFO] [stdout]    --> src/ir/mod.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct RegBlock {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub variables: HashMap<String, RegId>, // Variable name to register mapping
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RegBlock` 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: creating a shared reference to mutable static
[INFO] [stdout]    --> src/concurrency/pool.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 11.11s
[INFO] running `Command { std: "docker" "inspect" "35326e9b3e53dc4c0696d3a0c1efafcf133a4d3e0814bd317c274d5e9c9f70bf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "35326e9b3e53dc4c0696d3a0c1efafcf133a4d3e0814bd317c274d5e9c9f70bf", kill_on_drop: false }`
[INFO] [stdout] 35326e9b3e53dc4c0696d3a0c1efafcf133a4d3e0814bd317c274d5e9c9f70bf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e77583d87457f3ccd5e5e5ab7cb70ee100bbd8d25c6b891767e5550a532b53d5
[INFO] running `Command { std: "docker" "start" "-a" "e77583d87457f3ccd5e5e5ab7cb70ee100bbd8d25c6b891767e5550a532b53d5", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/benchmarks/performance_comparison.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_count` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:130:37
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut instruction_count = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory_peak` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:131:31
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut memory_peak = 0;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_count` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:162:37
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut instruction_count = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory_peak` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let mut memory_peak = 0;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/concurrency/pool.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling tiny_tot_vm v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]     --> src/cli/commands.rs:1078:21
[INFO] [stdout]      |
[INFO] [stdout] 1078 |     use std::time::{Duration, Instant};
[INFO] [stdout]      |                     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]     --> src/cli/commands.rs:1077:32
[INFO] [stdout]      |
[INFO] [stdout] 1077 | fn demo_performance_comparison(args: &CliArgs) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]      |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StackOps` is never used
[INFO] [stdout]  --> src/vm/stack.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait StackOps {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_stack_items` is never used
[INFO] [stdout]   --> src/vm/stack.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn check_stack_items(available: usize, needed: usize, _operation: &str) -> VMResult<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> src/vm/stack.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SafeStackOps<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 35 |     pub stack: &'a mut Vec<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VariableFrame` is never used
[INFO] [stdout]  --> src/vm/memory.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait VariableFrame {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]   --> src/vm/memory.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VariableManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub variables: Vec<HashMap<String, Value>>, // call frame stack
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]  --> src/gc/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait GcEngine: std::fmt::Debug + Send + Sync {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 9 |     fn alloc(&mut self, value: Value) -> GcRef;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_id` is never read
[INFO] [stdout]  --> src/gc/mark_sweep.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MarkSweepGc {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 8 |     objects: HashMap<usize, (Value, bool)>, // id -> (value, marked)
[INFO] [stdout] 9 |     next_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MarkSweepGc` 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 `next_id` is never read
[INFO] [stdout]  --> src/gc/no_gc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct NoGc {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     next_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NoGc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/gc/stats.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl GcRef {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new(id: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderedMessage` is never constructed
[INFO] [stdout]   --> src/concurrency/messages.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct OrderedMessage {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid` and `start_time` are never read
[INFO] [stdout]   --> src/concurrency/registry.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ProcessInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 20 |     pub pid: ProcId,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 21 |     pub start_time: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessInfo` 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 `running` is never read
[INFO] [stdout]   --> src/concurrency/scheduler.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scheduler {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub running: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scheduler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RunnableProcess` is never used
[INFO] [stdout]   --> src/concurrency/process.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait RunnableProcess: Send + Sync + std::fmt::Debug {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/concurrency/process.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct TinyProc {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub variables: Vec<HashMap<String, Value>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 73 |     pub try_stack: Vec<ExceptionHandler>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub lambda_captures: HashMap<String, Value>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 78 |     pub max_stack_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 79 |     pub instruction_count: usize,
[INFO] [stdout] 80 |     pub debug_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 81 |     pub breakpoints: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 82 |     pub gc_engine: Box<dyn GcEngine>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 83 |     pub _gc_stats_enabled: bool,
[INFO] [stdout] 84 |     pub profiler: Option<Profiler>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TinyProc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shutdown` and `child_type` are never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ChildSpec {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub shutdown: Shutdown,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 34 |     pub child_type: ChildType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChildSpec` 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 `strategy` is never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct SupervisorSpec {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 47 |     pub strategy: RestartStrategy,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SupervisorSpec` 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 `pid`, `spec`, `restart_count`, and `last_restart` are never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ChildState {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 55 |     pub pid: ProcId,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 56 |     pub spec: ChildSpec,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 57 |     pub restart_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub last_restart: std::time::Instant,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChildState` 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 `variables` is never read
[INFO] [stdout]    --> src/ir/mod.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct RegBlock {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub variables: HashMap<String, RegId>, // Variable name to register mapping
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RegBlock` 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: creating a shared reference to mutable static
[INFO] [stdout]    --> src/concurrency/pool.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]  --> tests/ir_tests.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs;
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/benchmarks/performance_comparison.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Duration`
[INFO] [stdout]     --> src/cli/commands.rs:1078:21
[INFO] [stdout]      |
[INFO] [stdout] 1078 |     use std::time::{Duration, Instant};
[INFO] [stdout]      |                     ^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_count` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:130:37
[INFO] [stdout]     |
[INFO] [stdout] 130 |         let mut instruction_count = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory_peak` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:131:31
[INFO] [stdout]     |
[INFO] [stdout] 131 |         let mut memory_peak = 0;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `instruction_count` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:162:37
[INFO] [stdout]     |
[INFO] [stdout] 162 |         let mut instruction_count = 0;
[INFO] [stdout]     |                                     ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `memory_peak` is never read
[INFO] [stdout]    --> src/benchmarks/performance_comparison.rs:163:31
[INFO] [stdout]     |
[INFO] [stdout] 163 |         let mut memory_peak = 0;
[INFO] [stdout]     |                               ^
[INFO] [stdout]     |
[INFO] [stdout]     = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: creating a shared reference to mutable static
[INFO] [stdout]    --> src/concurrency/pool.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]     --> src/cli/commands.rs:1077:32
[INFO] [stdout]      |
[INFO] [stdout] 1077 | fn demo_performance_comparison(args: &CliArgs) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stdout]      |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StackOps` is never used
[INFO] [stdout]  --> src/vm/stack.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait StackOps {
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_stack_items` is never used
[INFO] [stdout]   --> src/vm/stack.rs:22:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | pub fn check_stack_items(available: usize, needed: usize, _operation: &str) -> VMResult<()> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `stack` is never read
[INFO] [stdout]   --> src/vm/stack.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 | pub struct SafeStackOps<'a> {
[INFO] [stdout]    |            ------------ field in this struct
[INFO] [stdout] 35 |     pub stack: &'a mut Vec<Value>,
[INFO] [stdout]    |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `VariableFrame` is never used
[INFO] [stdout]  --> src/vm/memory.rs:5:11
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub trait VariableFrame {
[INFO] [stdout]   |           ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `variables` is never read
[INFO] [stdout]   --> src/vm/memory.rs:24:9
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct VariableManager {
[INFO] [stdout]    |            --------------- field in this struct
[INFO] [stdout] 24 |     pub variables: Vec<HashMap<String, Value>>, // call frame stack
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]  --> src/gc/mod.rs:9:8
[INFO] [stdout]   |
[INFO] [stdout] 8 | pub trait GcEngine: std::fmt::Debug + Send + Sync {
[INFO] [stdout]   |           -------- method in this trait
[INFO] [stdout] 9 |     fn alloc(&mut self, value: Value) -> GcRef;
[INFO] [stdout]   |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `next_id` is never read
[INFO] [stdout]  --> src/gc/mark_sweep.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct MarkSweepGc {
[INFO] [stdout]   |            ----------- field in this struct
[INFO] [stdout] 8 |     objects: HashMap<usize, (Value, bool)>, // id -> (value, marked)
[INFO] [stdout] 9 |     next_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `MarkSweepGc` 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 `next_id` is never read
[INFO] [stdout]  --> src/gc/no_gc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct NoGc {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 7 |     next_id: usize,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `NoGc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/gc/stats.rs:29:12
[INFO] [stdout]    |
[INFO] [stdout] 28 | impl GcRef {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 29 |     pub fn new(id: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `OrderedMessage` is never constructed
[INFO] [stdout]   --> src/concurrency/messages.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 18 | pub struct OrderedMessage {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `pid` and `start_time` are never read
[INFO] [stdout]   --> src/concurrency/registry.rs:20:9
[INFO] [stdout]    |
[INFO] [stdout] 19 | pub struct ProcessInfo {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 20 |     pub pid: ProcId,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 21 |     pub start_time: Instant,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ProcessInfo` 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 `running` is never read
[INFO] [stdout]   --> src/concurrency/scheduler.rs:16:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct Scheduler {
[INFO] [stdout]    |            --------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub running: bool,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Scheduler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `RunnableProcess` is never used
[INFO] [stdout]   --> src/concurrency/process.rs:33:11
[INFO] [stdout]    |
[INFO] [stdout] 33 | pub trait RunnableProcess: Send + Sync + std::fmt::Debug {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> src/concurrency/process.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub struct TinyProc {
[INFO] [stdout]    |            -------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 72 |     pub variables: Vec<HashMap<String, Value>>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 73 |     pub try_stack: Vec<ExceptionHandler>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 77 |     pub lambda_captures: HashMap<String, Value>,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 78 |     pub max_stack_size: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 79 |     pub instruction_count: usize,
[INFO] [stdout] 80 |     pub debug_mode: bool,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 81 |     pub breakpoints: Vec<usize>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 82 |     pub gc_engine: Box<dyn GcEngine>,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 83 |     pub _gc_stats_enabled: bool,
[INFO] [stdout] 84 |     pub profiler: Option<Profiler>,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TinyProc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `shutdown` and `child_type` are never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 29 | pub struct ChildSpec {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] ...
[INFO] [stdout] 33 |     pub shutdown: Shutdown,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 34 |     pub child_type: ChildType,
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChildSpec` 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 `strategy` is never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:47:9
[INFO] [stdout]    |
[INFO] [stdout] 46 | pub struct SupervisorSpec {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 47 |     pub strategy: RestartStrategy,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `SupervisorSpec` 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 `pid`, `spec`, `restart_count`, and `last_restart` are never read
[INFO] [stdout]   --> src/concurrency/supervisor.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct ChildState {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 55 |     pub pid: ProcId,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 56 |     pub spec: ChildSpec,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 57 |     pub restart_count: usize,
[INFO] [stdout]    |         ^^^^^^^^^^^^^
[INFO] [stdout] 58 |     pub last_restart: std::time::Instant,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ChildState` 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 `variables` is never read
[INFO] [stdout]    --> src/ir/mod.rs:197:9
[INFO] [stdout]     |
[INFO] [stdout] 193 | pub struct RegBlock {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 197 |     pub variables: HashMap<String, RegId>, // Variable name to register mapping
[INFO] [stdout]     |         ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RegBlock` 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: creating a shared reference to mutable static
[INFO] [stdout]    --> src/concurrency/pool.rs:290:24
[INFO] [stdout]     |
[INFO] [stdout] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stdout]     |
[INFO] [stdout]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stdout]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stdout]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.52s
[INFO] running `Command { std: "docker" "inspect" "e77583d87457f3ccd5e5e5ab7cb70ee100bbd8d25c6b891767e5550a532b53d5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e77583d87457f3ccd5e5e5ab7cb70ee100bbd8d25c6b891767e5550a532b53d5", kill_on_drop: false }`
[INFO] [stdout] e77583d87457f3ccd5e5e5ab7cb70ee100bbd8d25c6b891767e5550a532b53d5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-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:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+2fd6efc32704647e64d3d646d21c4c68eae100e4" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] b395af0e3ef8ad54342fef19af6bb8202344767ba088596611dd6ed2e9c60536
[INFO] running `Command { std: "docker" "start" "-a" "b395af0e3ef8ad54342fef19af6bb8202344767ba088596611dd6ed2e9c60536", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/benchmarks/performance_comparison.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `instruction_count` is never read
[INFO] [stderr]    --> src/benchmarks/performance_comparison.rs:130:37
[INFO] [stderr]     |
[INFO] [stderr] 130 |         let mut instruction_count = 0;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr]     = note: `#[warn(unused_assignments)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `memory_peak` is never read
[INFO] [stderr]    --> src/benchmarks/performance_comparison.rs:131:31
[INFO] [stderr]     |
[INFO] [stderr] 131 |         let mut memory_peak = 0;
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `instruction_count` is never read
[INFO] [stderr]    --> src/benchmarks/performance_comparison.rs:162:37
[INFO] [stderr]     |
[INFO] [stderr] 162 |         let mut instruction_count = 0;
[INFO] [stderr]     |                                     ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: value assigned to `memory_peak` is never read
[INFO] [stderr]    --> src/benchmarks/performance_comparison.rs:163:31
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut memory_peak = 0;
[INFO] [stderr]     |                               ^
[INFO] [stderr]     |
[INFO] [stderr]     = help: maybe it is overwritten before being read?
[INFO] [stderr] 
[INFO] [stderr] warning: creating a shared reference to mutable static
[INFO] [stderr]    --> src/concurrency/pool.rs:290:24
[INFO] [stderr]     |
[INFO] [stderr] 290 |                     if LAST_DEBUG.is_none() || now.duration_since(LAST_DEBUG.unwrap()) > Duration::from_secs(2) {
[INFO] [stderr]     |                        ^^^^^^^^^^^^^^^^^^^^ shared reference to mutable static
[INFO] [stderr]     |
[INFO] [stderr]     = note: for more information, see <https://doc.rust-lang.org/edition-guide/rust-2024/static-mut-references.html>
[INFO] [stderr]     = note: shared references to mutable statics are dangerous; it's undefined behavior if the static is mutated or if a mutable reference is created for it while the shared reference lives
[INFO] [stderr]     = note: `#[warn(static_mut_refs)]` (part of `#[warn(rust_2024_compatibility)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny_tot_vm` (lib) generated 6 warnings (run `cargo fix --lib -p tiny_tot_vm` to apply 1 suggestion)
[INFO] [stderr] warning: `tiny_tot_vm` (lib test) generated 6 warnings (6 duplicates)
[INFO] [stderr] warning: unused import: `Duration`
[INFO] [stderr]     --> src/cli/commands.rs:1078:21
[INFO] [stderr]      |
[INFO] [stderr] 1078 |     use std::time::{Duration, Instant};
[INFO] [stderr]      |                     ^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `args`
[INFO] [stderr]     --> src/cli/commands.rs:1077:32
[INFO] [stderr]      |
[INFO] [stderr] 1077 | fn demo_performance_comparison(args: &CliArgs) -> Result<(), Box<dyn std::error::Error>> {
[INFO] [stderr]      |                                ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait `StackOps` is never used
[INFO] [stderr]  --> src/vm/stack.rs:4:11
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub trait StackOps {
[INFO] [stderr]   |           ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `check_stack_items` is never used
[INFO] [stderr]   --> src/vm/stack.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 | pub fn check_stack_items(available: usize, needed: usize, _operation: &str) -> VMResult<()> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `stack` is never read
[INFO] [stderr]   --> src/vm/stack.rs:35:9
[INFO] [stderr]    |
[INFO] [stderr] 34 | pub struct SafeStackOps<'a> {
[INFO] [stderr]    |            ------------ field in this struct
[INFO] [stderr] 35 |     pub stack: &'a mut Vec<Value>,
[INFO] [stderr]    |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait `VariableFrame` is never used
[INFO] [stderr]  --> src/vm/memory.rs:5:11
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub trait VariableFrame {
[INFO] [stderr]   |           ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `variables` is never read
[INFO] [stderr]   --> src/vm/memory.rs:24:9
[INFO] [stderr]    |
[INFO] [stderr] 23 | pub struct VariableManager {
[INFO] [stderr]    |            --------------- field in this struct
[INFO] [stderr] 24 |     pub variables: Vec<HashMap<String, Value>>, // call frame stack
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `alloc` is never used
[INFO] [stderr]  --> src/gc/mod.rs:9:8
[INFO] [stderr]   |
[INFO] [stderr] 8 | pub trait GcEngine: std::fmt::Debug + Send + Sync {
[INFO] [stderr]   |           -------- method in this trait
[INFO] [stderr] 9 |     fn alloc(&mut self, value: Value) -> GcRef;
[INFO] [stderr]   |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `next_id` is never read
[INFO] [stderr]  --> src/gc/mark_sweep.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub struct MarkSweepGc {
[INFO] [stderr]   |            ----------- field in this struct
[INFO] [stderr] 8 |     objects: HashMap<usize, (Value, bool)>, // id -> (value, marked)
[INFO] [stderr] 9 |     next_id: usize,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `MarkSweepGc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `next_id` is never read
[INFO] [stderr]  --> src/gc/no_gc.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct NoGc {
[INFO] [stderr]   |            ---- field in this struct
[INFO] [stderr] 7 |     next_id: usize,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `NoGc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `new` is never used
[INFO] [stderr]   --> src/gc/stats.rs:29:12
[INFO] [stderr]    |
[INFO] [stderr] 28 | impl GcRef {
[INFO] [stderr]    | ---------- associated function in this implementation
[INFO] [stderr] 29 |     pub fn new(id: usize) -> Self {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct `OrderedMessage` is never constructed
[INFO] [stderr]   --> src/concurrency/messages.rs:18:12
[INFO] [stderr]    |
[INFO] [stderr] 18 | pub struct OrderedMessage {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: fields `pid` and `start_time` are never read
[INFO] [stderr]   --> src/concurrency/registry.rs:20:9
[INFO] [stderr]    |
[INFO] [stderr] 19 | pub struct ProcessInfo {
[INFO] [stderr]    |            ----------- fields in this struct
[INFO] [stderr] 20 |     pub pid: ProcId,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 21 |     pub start_time: Instant,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ProcessInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stderr] 
[INFO] [stdout] running 0 tests
[INFO] [stderr] warning: field `running` is never read
[INFO] [stdout] 
[INFO] [stderr]   --> src/concurrency/scheduler.rs:16:9
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 12 | pub struct Scheduler {
[INFO] [stderr]    |            --------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 16 |     pub running: bool,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Scheduler` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: trait `RunnableProcess` is never used
[INFO] [stderr]   --> src/concurrency/process.rs:33:11
[INFO] [stderr]    |
[INFO] [stderr] 33 | pub trait RunnableProcess: Send + Sync + std::fmt::Debug {
[INFO] [stderr]    |           ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: multiple fields are never read
[INFO] [stderr]   --> src/concurrency/process.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 45 | pub struct TinyProc {
[INFO] [stderr]    |            -------- fields in this struct
[INFO] [stderr] ...
[INFO] [stderr] 72 |     pub variables: Vec<HashMap<String, Value>>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 73 |     pub try_stack: Vec<ExceptionHandler>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 77 |     pub lambda_captures: HashMap<String, Value>,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^^
[INFO] [stderr] 78 |     pub max_stack_size: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^^
[INFO] [stderr] 79 |     pub instruction_count: usize,
[INFO] [stderr] 80 |     pub debug_mode: bool,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr] 81 |     pub breakpoints: Vec<usize>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 82 |     pub gc_engine: Box<dyn GcEngine>,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 83 |     pub _gc_stats_enabled: bool,
[INFO] [stderr] 84 |     pub profiler: Option<Profiler>,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `TinyProc` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `shutdown` and `child_type` are never read
[INFO] [stderr]   --> src/concurrency/supervisor.rs:33:9
[INFO] [stderr]    |
[INFO] [stdout] 
[INFO] [stderr] 29 | pub struct ChildSpec {
[INFO] [stdout] running 0 tests
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stdout] 
[INFO] [stderr] ...
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stderr] 33 |     pub shutdown: Shutdown,
[INFO] [stdout] 
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr] 34 |     pub child_type: ChildType,
[INFO] [stderr]    |         ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ChildSpec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `strategy` is never read
[INFO] [stderr]   --> src/concurrency/supervisor.rs:47:9
[INFO] [stderr]    |
[INFO] [stderr] 46 | pub struct SupervisorSpec {
[INFO] [stderr]    |            -------------- field in this struct
[INFO] [stderr] 47 |     pub strategy: RestartStrategy,
[INFO] [stderr]    |         ^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `SupervisorSpec` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `pid`, `spec`, `restart_count`, and `last_restart` are never read
[INFO] [stderr]   --> src/concurrency/supervisor.rs:55:9
[INFO] [stderr]    |
[INFO] [stderr] 54 | pub struct ChildState {
[INFO] [stderr]    |            ---------- fields in this struct
[INFO] [stderr] 55 |     pub pid: ProcId,
[INFO] [stderr]    |         ^^^
[INFO] [stderr] 56 |     pub spec: ChildSpec,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 57 |     pub restart_count: usize,
[INFO] [stderr]    |         ^^^^^^^^^^^^^
[INFO] [stderr] 58 |     pub last_restart: std::time::Instant,
[INFO] [stderr]    |         ^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ChildState` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: field `variables` is never read
[INFO] [stderr]    --> src/ir/mod.rs:197:9
[INFO] [stderr]     |
[INFO] [stderr] 193 | pub struct RegBlock {
[INFO] [stderr]     |            -------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 197 |     pub variables: HashMap<String, RegId>, // Variable name to register mapping
[INFO] [stderr]     |         ^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stdout] 
[INFO] [stderr]     = note: `RegBlock` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] running 4 tests
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs`
[INFO] [stderr]  --> tests/ir_tests.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::fs;
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `tiny_tot_vm` (bin "ttvm") generated 21 warnings (1 duplicate) (run `cargo fix --bin "ttvm" -p tiny_tot_vm` to apply 2 suggestions)
[INFO] [stderr] warning: `tiny_tot_vm` (test "ir_tests") generated 1 warning (run `cargo fix --test "ir_tests" -p tiny_tot_vm` to apply 1 suggestion)
[INFO] [stderr] warning: `tiny_tot_vm` (bin "ttvm" test) generated 21 warnings (21 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.06s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/tiny_tot_vm-261d18496c9ac276)
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/ttvm-7cbda153d71c43b3)
[INFO] [stderr]      Running tests/ir_tests.rs (/opt/rustwide/target/debug/deps/ir_tests-93bcdec8c75d12ff)
[INFO] [stdout] test test_ir_boolean_operations ... ok
[INFO] [stdout] test test_ir_control_flow ... ok
[INFO] [stdout] test test_ir_basic_arithmetic has been running for over 60 seconds
[INFO] [stdout] test test_ir_equivalence_with_stack_vm has been running for over 60 seconds
[ERROR] error running command: no output for 300 seconds
[INFO] running `Command { std: "docker" "inspect" "b395af0e3ef8ad54342fef19af6bb8202344767ba088596611dd6ed2e9c60536", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b395af0e3ef8ad54342fef19af6bb8202344767ba088596611dd6ed2e9c60536", kill_on_drop: false }`
[INFO] [stdout] b395af0e3ef8ad54342fef19af6bb8202344767ba088596611dd6ed2e9c60536
