[INFO] fetching crate steel-core 0.8.2...
[INFO] testing steel-core-0.8.2 against beta-2026-04-21 for beta-1.96-2
[INFO] extracting crate steel-core 0.8.2 into /workspace/builds/worker-5-tc2/source
[INFO] started tweaking crates.io crate steel-core 0.8.2
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate steel-core 0.8.2
[INFO] tweaked toml for crates.io crate steel-core 0.8.2 written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate steel-core 0.8.2 on toolchain beta-2026-04-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2026-04-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate steel-core 0.8.2 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" "+beta-2026-04-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 3b4c843510ea07c719f8e2efd0ccdc718809af36a710ede4743a0c3aacf21dd9
[INFO] running `Command { std: "docker" "start" "-a" "3b4c843510ea07c719f8e2efd0ccdc718809af36a710ede4743a0c3aacf21dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "3b4c843510ea07c719f8e2efd0ccdc718809af36a710ede4743a0c3aacf21dd9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3b4c843510ea07c719f8e2efd0ccdc718809af36a710ede4743a0c3aacf21dd9", kill_on_drop: false }`
[INFO] [stdout] 3b4c843510ea07c719f8e2efd0ccdc718809af36a710ede4743a0c3aacf21dd9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 2e9f1b882af8ba7776e35ab7fb11b3c600c2f3dd3c841c1c04e559f4c4efc708
[INFO] running `Command { std: "docker" "start" "-a" "2e9f1b882af8ba7776e35ab7fb11b3c600c2f3dd3c841c1c04e559f4c4efc708", kill_on_drop: false }`
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[INFO] [stderr]    Compiling arc-swap v1.8.1
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[INFO] [stderr]    Compiling yoke v0.8.1
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[INFO] [stderr]    Compiling zerotrie v0.2.3
[INFO] [stderr]    Compiling tinystr v0.8.2
[INFO] [stderr]    Compiling potential_utf v0.1.4
[INFO] [stderr]    Compiling futures-executor v0.3.31
[INFO] [stderr]    Compiling icu_locale_core v2.1.1
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[INFO] [stderr]    Compiling bincode v1.3.3
[INFO] [stderr]    Compiling steel-gen v0.8.2
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling icu_provider v2.1.1
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling icu_properties v2.1.2
[INFO] [stderr]    Compiling num-rational v0.4.2
[INFO] [stderr]    Compiling steel-parser v0.8.2
[INFO] [stderr]    Compiling icu_casemap v2.1.1
[INFO] [stderr]    Compiling steel-core v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/env.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use once_cell::sync::Lazy;
[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: `ContinuationMark`
[INFO] [stdout]   --> src/rvals.rs:21:77
[INFO] [stdout]    |
[INFO] [stdout] 21 |         threads::closure_into_serializable, BuiltInSignature, Continuation, ContinuationMark,
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]   --> src/rvals.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use parking_lot::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::env::SharedVectorWrapper`
[INFO] [stdout]  --> src/steel_vm/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::env::SharedVectorWrapper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedVectorWrapper` is never constructed
[INFO] [stdout]  --> src/env.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct SharedVectorWrapper(pub AtomicSharedVector<SteelVal>);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_idx` and `repl_define_idx` are never used
[INFO] [stdout]   --> src/env.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl SharedVectorWrapper {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout]  9 |     pub fn set_idx(&mut self, idx: usize, val: SteelVal) -> SteelVal {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn repl_define_idx(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `extract` and `add_root_value` are never used
[INFO] [stdout]    --> src/env.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Env {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  70 |     pub fn extract(&self, idx: usize) -> Option<SteelVal> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_root_value(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unchecked_car` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:619:22
[INFO] [stdout]     |
[INFO] [stdout] 619 | pub(crate) unsafe fn unchecked_car(list: &SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cdr_no_check` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:681:22
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub(crate) unsafe fn cdr_no_check(arg: &mut SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call_per_ctx` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:583:26
[INFO] [stdout]     |
[INFO] [stdout] 514 | impl Synchronizer {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 583 |     pub(crate) unsafe fn call_per_ctx(&self, mut func: impl FnMut(&mut SteelThread)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `enter_safepoint_once` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:883:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | impl SteelThread {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 883 |     pub fn enter_safepoint_once(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_set_local_value` is never used
[INFO] [stdout]     --> src/steel_vm/vm.rs:4638:8
[INFO] [stdout]      |
[INFO] [stdout] 1642 | impl<'a> VmCore<'a> {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4638 |     fn handle_set_local_value(&mut self, index: usize, value_to_set: SteelVal) -> SteelVal {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CellPointer` is never used
[INFO] [stdout]    --> src/values/lists.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub(crate) type CellPointer<T> = im_lists::list::RawCell<T, PointerType, 4, 2, DropHandlerChoice>;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "2e9f1b882af8ba7776e35ab7fb11b3c600c2f3dd3c841c1c04e559f4c4efc708", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2e9f1b882af8ba7776e35ab7fb11b3c600c2f3dd3c841c1c04e559f4c4efc708", kill_on_drop: false }`
[INFO] [stdout] 2e9f1b882af8ba7776e35ab7fb11b3c600c2f3dd3c841c1c04e559f4c4efc708
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2026-04-21" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dc6919aa7297b0dcb94baa480e55782db1879cdc386d5d54147d547ca4bb0ce9
[INFO] running `Command { std: "docker" "start" "-a" "dc6919aa7297b0dcb94baa480e55782db1879cdc386d5d54147d547ca4bb0ce9", kill_on_drop: false }`
[INFO] [stderr]    Compiling zerocopy v0.8.39
[INFO] [stderr]    Compiling rustix v1.1.3
[INFO] [stderr]    Compiling getrandom v0.4.1
[INFO] [stderr]    Compiling zerocopy-derive v0.8.39
[INFO] [stderr]    Compiling regex-syntax v0.8.9
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[INFO] [stderr]    Compiling clap_lex v1.0.0
[INFO] [stderr]    Compiling itertools v0.10.5
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[INFO] [stderr]    Compiling bit-vec v0.8.0
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[INFO] [stderr]    Compiling is-terminal v0.4.17
[INFO] [stderr]    Compiling clap_builder v4.5.58
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling unarray v0.1.4
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[INFO] [stderr]    Compiling oorandom v11.1.5
[INFO] [stderr]    Compiling plotters v0.3.7
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[INFO] [stderr]    Compiling criterion-plot v0.5.0
[INFO] [stderr]    Compiling clap v4.5.58
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling tempfile v3.25.0
[INFO] [stderr]    Compiling which v8.0.0
[INFO] [stderr]    Compiling polling v3.11.0
[INFO] [stderr]    Compiling rusty-fork v0.3.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling ppv-lite86 v0.2.21
[INFO] [stderr]    Compiling half v2.7.1
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling ciborium-ll v0.2.2
[INFO] [stderr]    Compiling rand_chacha v0.9.0
[INFO] [stderr]    Compiling ciborium v0.2.2
[INFO] [stderr]    Compiling rand v0.9.2
[INFO] [stderr]    Compiling dashmap v6.1.0
[INFO] [stderr]    Compiling criterion v0.5.1
[INFO] [stderr]    Compiling lasso v0.7.3
[INFO] [stderr]    Compiling proptest v1.10.0
[INFO] [stderr]    Compiling steel-parser v0.8.2
[INFO] [stderr]    Compiling steel-core v0.8.2 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/env.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use once_cell::sync::Lazy;
[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: `ContinuationMark`
[INFO] [stdout]   --> src/rvals.rs:21:77
[INFO] [stdout]    |
[INFO] [stdout] 21 |         threads::closure_into_serializable, BuiltInSignature, Continuation, ContinuationMark,
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]   --> src/rvals.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use parking_lot::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::env::SharedVectorWrapper`
[INFO] [stdout]  --> src/steel_vm/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::env::SharedVectorWrapper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `once_cell::sync::Lazy`
[INFO] [stdout]  --> src/env.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use once_cell::sync::Lazy;
[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: `ContinuationMark`
[INFO] [stdout]   --> src/rvals.rs:21:77
[INFO] [stdout]    |
[INFO] [stdout] 21 |         threads::closure_into_serializable, BuiltInSignature, Continuation, ContinuationMark,
[INFO] [stdout]    |                                                                             ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parking_lot::RwLock`
[INFO] [stdout]   --> src/rvals.rs:74:5
[INFO] [stdout]    |
[INFO] [stdout] 74 | use parking_lot::RwLock;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::env::SharedVectorWrapper`
[INFO] [stdout]  --> src/steel_vm/vm.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::env::SharedVectorWrapper;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedVectorWrapper` is never constructed
[INFO] [stdout]  --> src/env.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct SharedVectorWrapper(pub AtomicSharedVector<SteelVal>);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_idx` and `repl_define_idx` are never used
[INFO] [stdout]   --> src/env.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl SharedVectorWrapper {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout]  9 |     pub fn set_idx(&mut self, idx: usize, val: SteelVal) -> SteelVal {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn repl_define_idx(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `extract` and `add_root_value` are never used
[INFO] [stdout]    --> src/env.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Env {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  70 |     pub fn extract(&self, idx: usize) -> Option<SteelVal> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_root_value(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unchecked_car` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:619:22
[INFO] [stdout]     |
[INFO] [stdout] 619 | pub(crate) unsafe fn unchecked_car(list: &SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cdr_no_check` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:681:22
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub(crate) unsafe fn cdr_no_check(arg: &mut SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call_per_ctx` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:583:26
[INFO] [stdout]     |
[INFO] [stdout] 514 | impl Synchronizer {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 583 |     pub(crate) unsafe fn call_per_ctx(&self, mut func: impl FnMut(&mut SteelThread)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `enter_safepoint_once` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:883:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | impl SteelThread {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 883 |     pub fn enter_safepoint_once(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_set_local_value` is never used
[INFO] [stdout]     --> src/steel_vm/vm.rs:4638:8
[INFO] [stdout]      |
[INFO] [stdout] 1642 | impl<'a> VmCore<'a> {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4638 |     fn handle_set_local_value(&mut self, index: usize, value_to_set: SteelVal) -> SteelVal {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CellPointer` is never used
[INFO] [stdout]    --> src/values/lists.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub(crate) type CellPointer<T> = im_lists::list::RawCell<T, PointerType, 4, 2, DropHandlerChoice>;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `SharedVectorWrapper` is never constructed
[INFO] [stdout]  --> src/env.rs:6:19
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub(crate) struct SharedVectorWrapper(pub AtomicSharedVector<SteelVal>);
[INFO] [stdout]   |                   ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `set_idx` and `repl_define_idx` are never used
[INFO] [stdout]   --> src/env.rs:9:12
[INFO] [stdout]    |
[INFO] [stdout]  8 | impl SharedVectorWrapper {
[INFO] [stdout]    | ------------------------ methods in this implementation
[INFO] [stdout]  9 |     pub fn set_idx(&mut self, idx: usize, val: SteelVal) -> SteelVal {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub fn repl_define_idx(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `extract` and `add_root_value` are never used
[INFO] [stdout]    --> src/env.rs:70:12
[INFO] [stdout]     |
[INFO] [stdout]  69 | impl Env {
[INFO] [stdout]     | -------- methods in this implementation
[INFO] [stdout]  70 |     pub fn extract(&self, idx: usize) -> Option<SteelVal> {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_root_value(&mut self, idx: usize, val: SteelVal) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `unchecked_car` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:619:22
[INFO] [stdout]     |
[INFO] [stdout] 619 | pub(crate) unsafe fn unchecked_car(list: &SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `cdr_no_check` is never used
[INFO] [stdout]    --> src/primitives/lists.rs:681:22
[INFO] [stdout]     |
[INFO] [stdout] 681 | pub(crate) unsafe fn cdr_no_check(arg: &mut SteelVal) -> SteelVal {
[INFO] [stdout]     |                      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `call_per_ctx` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:583:26
[INFO] [stdout]     |
[INFO] [stdout] 514 | impl Synchronizer {
[INFO] [stdout]     | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 583 |     pub(crate) unsafe fn call_per_ctx(&self, mut func: impl FnMut(&mut SteelThread)) {
[INFO] [stdout]     |                          ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `enter_safepoint_once` is never used
[INFO] [stdout]    --> src/steel_vm/vm.rs:883:12
[INFO] [stdout]     |
[INFO] [stdout] 740 | impl SteelThread {
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 883 |     pub fn enter_safepoint_once(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `handle_set_local_value` is never used
[INFO] [stdout]     --> src/steel_vm/vm.rs:4638:8
[INFO] [stdout]      |
[INFO] [stdout] 1642 | impl<'a> VmCore<'a> {
[INFO] [stdout]      | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 4638 |     fn handle_set_local_value(&mut self, index: usize, value_to_set: SteelVal) -> SteelVal {
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `CellPointer` is never used
[INFO] [stdout]    --> src/values/lists.rs:249:17
[INFO] [stdout]     |
[INFO] [stdout] 249 | pub(crate) type CellPointer<T> = im_lists::list::RawCell<T, PointerType, 4, 2, DropHandlerChoice>;
[INFO] [stdout]     |                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `steel-core` (lib); 13 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/rustup-home/toolchains/beta-2026-04-21-x86_64-unknown-linux-gnu/bin/rustc --crate-name steel --edition=2021 src/lib.rs --error-format=json --json=diagnostic-rendered-ansi,artifacts,future-incompat --crate-type lib --emit=dep-info,metadata,link -C embed-bitcode=no -C debuginfo=2 --cfg 'feature="default"' --cfg 'feature="modules"' --cfg 'feature="std"' --check-cfg 'cfg(docsrs,test)' --check-cfg 'cfg(feature, values("anyhow", "biased", "custom-hash", "default", "disable-arity-checking", "dylib-build", "dylibs", "dynamic", "experimental", "experimental-drop-handler", "ffi-format", "git", "imbl", "inline-captures", "interrupt", "jit", "jit2", "markdown", "modules", "op-code-profiling", "profiling", "recycle", "rooted-instructions", "sandbox", "smallvec", "stacker", "std", "sync", "triomphe", "unsafe-internals", "unsandboxed-kernel", "ureq", "without-drop-protection"))' -C metadata=8574b66a209b6a9b -C extra-filename=-2384c2ee08189ad1 --out-dir /opt/rustwide/target/debug/deps -L dependency=/opt/rustwide/target/debug/deps --extern arc_swap=/opt/rustwide/target/debug/deps/libarc_swap-7064a960f6c8054f.rmeta --extern bigdecimal=/opt/rustwide/target/debug/deps/libbigdecimal-0af896e6bc8dadd9.rmeta --extern bincode=/opt/rustwide/target/debug/deps/libbincode-afe8db984145fa72.rmeta --extern chrono=/opt/rustwide/target/debug/deps/libchrono-971dde1fb31cfe04.rmeta --extern codespan_reporting=/opt/rustwide/target/debug/deps/libcodespan_reporting-545b4705fce70ec6.rmeta --extern compact_str=/opt/rustwide/target/debug/deps/libcompact_str-a58b5074fe6f5877.rmeta --extern crossbeam_channel=/opt/rustwide/target/debug/deps/libcrossbeam_channel-b65bac408cf89796.rmeta --extern crossbeam_queue=/opt/rustwide/target/debug/deps/libcrossbeam_queue-9fcae17115a3de1d.rmeta --extern crossbeam_utils=/opt/rustwide/target/debug/deps/libcrossbeam_utils-d120373eaebf0872.rmeta --extern env_home=/opt/rustwide/target/debug/deps/libenv_home-06aeee69feb7218e.rmeta --extern futures_executor=/opt/rustwide/target/debug/deps/libfutures_executor-5f016edde5eb1ddd.rmeta --extern futures_task=/opt/rustwide/target/debug/deps/libfutures_task-6a291c96c0810042.rmeta --extern futures_util=/opt/rustwide/target/debug/deps/libfutures_util-5e7096c30948e2c7.rmeta --extern glob=/opt/rustwide/target/debug/deps/libglob-8bf81e831cddf06d.rmeta --extern httparse=/opt/rustwide/target/debug/deps/libhttparse-9c8043f0d8f65c21.rmeta --extern icu_casemap=/opt/rustwide/target/debug/deps/libicu_casemap-2a111ff547ca6020.rmeta --extern im_lists=/opt/rustwide/target/debug/deps/libim_lists-78f54765ec04576a.rmeta --extern im_rc=/opt/rustwide/target/debug/deps/libim_rc-ab3e69354389a132.rmeta --extern lasso=/opt/rustwide/target/debug/deps/liblasso-f4d3d2da76783fb9.rmeta --extern log=/opt/rustwide/target/debug/deps/liblog-b4877c6cda7d43ee.rmeta --extern md5=/opt/rustwide/target/debug/deps/libmd5-e5800288620ac0a1.rmeta --extern num_bigint=/opt/rustwide/target/debug/deps/libnum_bigint-63cf002290f7ecec.rmeta --extern num_integer=/opt/rustwide/target/debug/deps/libnum_integer-3831462b4a2efa6d.rmeta --extern num_rational=/opt/rustwide/target/debug/deps/libnum_rational-175ef238e61e3f20.rmeta --extern num_traits=/opt/rustwide/target/debug/deps/libnum_traits-13e0c6dd117d8ba0.rmeta --extern once_cell=/opt/rustwide/target/debug/deps/libonce_cell-9ec3b2d30075ab56.rmeta --extern parking_lot=/opt/rustwide/target/debug/deps/libparking_lot-2363d10f930daf60.rmeta --extern polling=/opt/rustwide/target/debug/deps/libpolling-7840a4cc3b94e559.rmeta --extern rand=/opt/rustwide/target/debug/deps/librand-931e171838a48444.rmeta --extern rustc_hash=/opt/rustwide/target/debug/deps/librustc_hash-eb210553e3b16c70.rmeta --extern serde=/opt/rustwide/target/debug/deps/libserde-614fcd0e3a515b62.rmeta --extern serde_json=/opt/rustwide/target/debug/deps/libserde_json-6867ae1f4345d241.rmeta --extern shared_vector=/opt/rustwide/target/debug/deps/libshared_vector-9f33e1543bd9fd0f.rmeta --extern smallvec=/opt/rustwide/target/debug/deps/libsmallvec-f1edee636e9ac88b.rmeta --extern steel_derive=/opt/rustwide/target/debug/deps/libsteel_derive-9fd1edab1cb37a6c.so --extern steel_gen=/opt/rustwide/target/debug/deps/libsteel_gen-1d85444fa8b6c13e.rmeta --extern steel_parser=/opt/rustwide/target/debug/deps/libsteel_parser-d3f4c25a7ba8b527.rmeta --extern quickscope=/opt/rustwide/target/debug/deps/libquickscope-07753290ea83888b.rmeta --extern strsim=/opt/rustwide/target/debug/deps/libstrsim-7d9507ff4dccca86.rmeta --extern thin_vec=/opt/rustwide/target/debug/deps/libthin_vec-8f0dc14185866f8e.rmeta --extern weak_table=/opt/rustwide/target/debug/deps/libweak_table-b57209145c586ec4.rmeta --extern which=/opt/rustwide/target/debug/deps/libwhich-5d27993cae4292b7.rmeta --extern xdg=/opt/rustwide/target/debug/deps/libxdg-b5e4d94fc00a68a7.rmeta --cap-lints=warn` (signal: 9, SIGKILL: kill)
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "dc6919aa7297b0dcb94baa480e55782db1879cdc386d5d54147d547ca4bb0ce9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dc6919aa7297b0dcb94baa480e55782db1879cdc386d5d54147d547ca4bb0ce9", kill_on_drop: false }`
[INFO] [stdout] dc6919aa7297b0dcb94baa480e55782db1879cdc386d5d54147d547ca4bb0ce9
