[INFO] fetching crate edlc_core 0.2.21...
[INFO] checking edlc_core-0.2.21 against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] extracting crate edlc_core 0.2.21 into /workspace/builds/worker-1-tc1/source
[INFO] started tweaking crates.io crate edlc_core 0.2.21
[INFO] removed 0 missing tests
[INFO] finished tweaking crates.io crate edlc_core 0.2.21
[INFO] tweaked toml for crates.io crate edlc_core 0.2.21 written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate edlc_core 0.2.21 on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate edlc_core 0.2.21 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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded rand_core v0.10.0
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d
[INFO] running `Command { std: "docker" "start" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
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[INFO] [stderr]     Checking edlc_core v0.2.21 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::hir::hir_expr::hir_ref::HirRef`
[INFO] [stdout]   --> src/hir/hir_fn.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use crate::hir::hir_expr::hir_ref::HirRef;
[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: `TypeDefDoc`
[INFO] [stdout]   --> src/hir.rs:73:58
[INFO] [stdout]    |
[INFO] [stdout] 73 | use crate::documentation::{DocCompilerState, DocElement, TypeDefDoc};
[INFO] [stdout]    |                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsciPrinter` and `MirPrinter`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | ...::{AsciPrinter, AsyncFlowAnalysis, BlockCall, BlockLocalStatementUid, BlockParameterIndex, Context, DebugSymbols, DefPoint, ExecutionError, MirBlockRef, MirExprId, MirExprVariant, MirGraphLoc, MirLoc, MirPrinter, M...
[INFO] [stdout]    |       ^^^^^^^^^^^                                                                                                                                                                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::io::{BufWriter, Write};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncData` and `AsyncVerify`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:51:95
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...sis::{Async, AsyncConnState, AsyncConnectome, AsyncData, AsyncDataPool, AsyncVerify, AsyncVerifyError, SharedVerify};
[INFO] [stdout]    |                                                  ^^^^^^^^^                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DebugSymbols`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/drop_check.rs:56:101
[INFO] [stdout]    |
[INFO] [stdout] 56 | use crate::mir::mir_expr::{AutoImplDetails, BlockCall, BlockLocalStatementUid, BlockParameterIndex, DebugSymbols, DefPoint, MirBlock...
[INFO] [stdout]    |                                                                                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mir::mir_expr::mir_graph::borrow::FlowState`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/async_analysis.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use crate::mir::mir_expr::mir_graph::borrow::FlowState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncData` and `CaptureSources`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph.rs:87:106
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...nnContext, AsyncConnState, AsyncConnectome, AsyncData, AsyncDataPool, CaptureSources};
[INFO] [stdout]    |                                                ^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdlFnRet`
[INFO] [stdout]     --> src/resolver.rs:1739:31
[INFO] [stdout]      |
[INFO] [stdout] 1739 |     use crate::core::edl_fn::{EdlFnRet, EdlFnSignature};
[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: `EdlMaybeType`
[INFO] [stdout]     --> src/resolver.rs:1741:33
[INFO] [stdout]      |
[INFO] [stdout] 1741 |     use crate::core::edl_type::{EdlMaybeType, EdlTypeRegistry};
[INFO] [stdout]      |                                 ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `EdlFnArgument` and `EdlFnRet`
[INFO] [stdout]   --> src/ast/test.rs:28:39
[INFO] [stdout]    |
[INFO] [stdout] 28 | use crate::core::edl_fn::{AsyncState, EdlFnArgument, EdlFnParam, EdlFnRet, EdlFnSignature};
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^              ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `EdlMaybeType`
[INFO] [stdout]   --> src/ast/test.rs:31:29
[INFO] [stdout]    |
[INFO] [stdout] 31 | use crate::core::edl_type::{EdlMaybeType, EdlTypeRegistry};
[INFO] [stdout]    |                             ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::hir::hir_expr::hir_ref::HirRef`
[INFO] [stdout]   --> src/hir/hir_fn.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 34 | use crate::hir::hir_expr::hir_ref::HirRef;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeDefDoc`
[INFO] [stdout]   --> src/hir.rs:73:58
[INFO] [stdout]    |
[INFO] [stdout] 73 | use crate::documentation::{DocCompilerState, DocElement, TypeDefDoc};
[INFO] [stdout]    |                                                          ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsciPrinter` and `MirPrinter`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:33:28
[INFO] [stdout]    |
[INFO] [stdout] 33 | ...::{AsciPrinter, AsyncFlowAnalysis, BlockCall, BlockLocalStatementUid, BlockParameterIndex, Context, DebugSymbols, DefPoint, ExecutionError, MirBlockRef, MirExprId, MirExprVariant, MirGraphLoc, MirLoc, MirPrinter, M...
[INFO] [stdout]    |       ^^^^^^^^^^^                                                                                                                                                                                           ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 44 | use std::fs::File;
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `BufWriter`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:46:15
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::io::{BufWriter, Write};
[INFO] [stdout]    |               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncData` and `AsyncVerify`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:51:95
[INFO] [stdout]    |
[INFO] [stdout] 51 | ...sis::{Async, AsyncConnState, AsyncConnectome, AsyncData, AsyncDataPool, AsyncVerify, AsyncVerifyError, SharedVerify};
[INFO] [stdout]    |                                                  ^^^^^^^^^                 ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `DebugSymbols`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/drop_check.rs:56:101
[INFO] [stdout]    |
[INFO] [stdout] 56 | use crate::mir::mir_expr::{AutoImplDetails, BlockCall, BlockLocalStatementUid, BlockParameterIndex, DebugSymbols, DefPoint, MirBlock...
[INFO] [stdout]    |                                                                                                     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mir::mir_expr::mir_graph::borrow::FlowState`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/async_analysis.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use crate::mir::mir_expr::mir_graph::borrow::FlowState;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsyncData` and `CaptureSources`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph.rs:87:106
[INFO] [stdout]    |
[INFO] [stdout] 87 | ...nnContext, AsyncConnState, AsyncConnectome, AsyncData, AsyncDataPool, CaptureSources};
[INFO] [stdout]    |                                                ^^^^^^^^^                 ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::io::{BufWriter, Write};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Write`
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/const_eval.rs:46:26
[INFO] [stdout]    |
[INFO] [stdout] 46 | use std::io::{BufWriter, Write};
[INFO] [stdout]    |                          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/test.rs:416:9
[INFO] [stdout]     |
[INFO] [stdout] 416 |     let mut target_ty = hir_phase.types.usize();
[INFO] [stdout]     |         ----^^^^^^^^^
[INFO] [stdout]     |         |
[INFO] [stdout]     |         help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snapshot`
[INFO] [stdout]    --> src/core/type_analysis/snapshot_vec.rs:463:13
[INFO] [stdout]     |
[INFO] [stdout] 463 |         let snapshot = vec.dump(lvl2);
[INFO] [stdout]     |             ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_snapshot`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lvl2`
[INFO] [stdout]    --> src/core/type_analysis/snapshot_vec.rs:489:13
[INFO] [stdout]     |
[INFO] [stdout] 489 |         let lvl2 = vec.snapshot();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_lvl2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap`
[INFO] [stdout]    --> src/core/type_analysis/snapshot_vec.rs:521:17
[INFO] [stdout]     |
[INFO] [stdout] 521 |             let snap = vec.snapshot();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_snap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `snap`
[INFO] [stdout]    --> src/core/type_analysis/snapshot_vec.rs:549:17
[INFO] [stdout]     |
[INFO] [stdout] 549 |             let snap = vec.snapshot();
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_snap`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lvl2`
[INFO] [stdout]    --> src/core/type_analysis/snapshot_vec.rs:608:13
[INFO] [stdout]     |
[INFO] [stdout] 608 |         let lvl2 = vec.snapshot();
[INFO] [stdout]     |             ^^^^ help: if this is intentional, prefix it with an underscore: `_lvl2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/core/type_analysis.rs:2132:13
[INFO] [stdout]      |
[INFO] [stdout] 2132 |         let mut reg = EdlTypeRegistry::default();
[INFO] [stdout]      |             ----^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s2`
[INFO] [stdout]     --> src/core/type_analysis.rs:2147:13
[INFO] [stdout]      |
[INFO] [stdout] 2147 |         let s2 = inferer.snapshot();
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_s2`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> src/core/type_analysis.rs:2197:13
[INFO] [stdout]      |
[INFO] [stdout] 2197 |         let mut reg = EdlTypeRegistry::default();
[INFO] [stdout]      |             ----^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]     --> src/hir/hir_expr/hir_call.rs:2240:13
[INFO] [stdout]      |
[INFO] [stdout] 2240 |         let id = compiler.parse_module(inline_code!(r#"
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]     --> src/hir/hir_expr/hir_call.rs:2250:13
[INFO] [stdout]      |
[INFO] [stdout] 2250 |         let id = compiler.parse_module(inline_code!(r#"
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]     --> src/hir/hir_expr/hir_call.rs:2261:13
[INFO] [stdout]      |
[INFO] [stdout] 2261 |         let id = compiler.parse_module(inline_code!(r#"
[INFO] [stdout]      |             ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `state_changed` is assigned to, but never used
[INFO] [stdout]     --> src/mir/mir_expr/mir_graph/const_eval.rs:1538:13
[INFO] [stdout]      |
[INFO] [stdout] 1538 |         let mut state_changed = params.set_vm_values(self, vm, stack_frame, const_eval, reg);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_state_changed` instead
[INFO] [stdout]      = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state_changed` is never read
[INFO] [stdout]     --> src/mir/mir_expr/mir_graph/const_eval.rs:1539:9
[INFO] [stdout]      |
[INFO] [stdout] 1539 | /         state_changed |= self.blocks[current_block.0]
[INFO] [stdout] 1540 | |             .eval_consts(self, vm, stack_frame, reg, backend, const_eval, &current_block)?;
[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: unused variable: `cfg`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         cfg: &MirFlowGraph,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 449 |         phase: &mut HirPhase,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:457:55
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         Some(AsyncSource::SharedParam(data, index)) => {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:457:61
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         Some(AsyncSource::SharedParam(data, index)) => {
[INFO] [stdout]     |                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:460:50
[INFO] [stdout]     |
[INFO] [stdout] 460 |                         Some(AsyncSource::Global(var)) => {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:463:53
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:463:59
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:466:53
[INFO] [stdout]     |
[INFO] [stdout] 466 |                         Some(AsyncSource::SyncLocal(data)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:469:57
[INFO] [stdout]     |
[INFO] [stdout] 469 |                         Some(AsyncSource::FunctionLocal(func_id)) => {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:472:55
[INFO] [stdout]     |
[INFO] [stdout] 472 |                         Some(AsyncSource::SharedField(data)) => {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:481:50
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         Some(AsyncSource::Global(var)) => {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:484:53
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:484:59
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:487:53
[INFO] [stdout]     |
[INFO] [stdout] 487 |                         Some(AsyncSource::SyncLocal(data)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:490:57
[INFO] [stdout]     |
[INFO] [stdout] 490 |                         Some(AsyncSource::FunctionLocal(func_id)) => {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:503:50
[INFO] [stdout]     |
[INFO] [stdout] 503 |                         Some(AsyncSource::Global(var)) => {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:506:53
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:506:59
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:509:53
[INFO] [stdout]     |
[INFO] [stdout] 509 |                         Some(AsyncSource::SyncLocal(data)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:512:57
[INFO] [stdout]     |
[INFO] [stdout] 512 |                         Some(AsyncSource::FunctionLocal(func_id)) => {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `state_changed` is assigned to, but never used
[INFO] [stdout]     --> src/mir/mir_expr/mir_graph/const_eval.rs:1538:13
[INFO] [stdout]      |
[INFO] [stdout] 1538 |         let mut state_changed = params.set_vm_values(self, vm, stack_frame, const_eval, reg);
[INFO] [stdout]      |             ^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: consider using `_state_changed` instead
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `state_changed` is never read
[INFO] [stdout]     --> src/mir/mir_expr/mir_graph/const_eval.rs:1539:9
[INFO] [stdout]      |
[INFO] [stdout] 1539 | /         state_changed |= self.blocks[current_block.0]
[INFO] [stdout] 1540 | |             .eval_consts(self, vm, stack_frame, reg, backend, const_eval, &current_block)?;
[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: type `IterNonDivergentNodes<'_, 'path>` is more private than the item `BorrowTree::iter_nodes`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:545:5
[INFO] [stdout]     |
[INFO] [stdout] 545 |     pub(crate) fn iter_nodes<'path>(&self, path: &'path [BorrowStackElement]) -> IterNonDivergentNodes<'_, 'path> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BorrowTree::iter_nodes` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IterNonDivergentNodes<'_, 'path>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:731:1
[INFO] [stdout]     |
[INFO] [stdout] 731 | struct IterNonDivergentNodes<'tree, 'members> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IterNonDivergentNodes<'_, 'path>` is more private than the item `BorrowTree::iter_nodes_after`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     pub(crate) fn iter_nodes_after<'path>(&self, starting: NodeId, path: &'path [BorrowStackElement]) -> IterNonDivergentNodes<'_, 'path> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BorrowTree::iter_nodes_after` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IterNonDivergentNodes<'_, 'path>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:731:1
[INFO] [stdout]     |
[INFO] [stdout] 731 | struct IterNonDivergentNodes<'tree, 'members> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IterParents<'_>` is more private than the item `BorrowTree::iter_rev`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:587:5
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub(crate) fn iter_rev(&self, start: NodeId) -> IterParents<'_> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BorrowTree::iter_rev` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IterParents<'_>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:767:1
[INFO] [stdout]     |
[INFO] [stdout] 767 | struct IterParents<'tree> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:448:9
[INFO] [stdout]     |
[INFO] [stdout] 448 |         cfg: &MirFlowGraph,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:449:9
[INFO] [stdout]     |
[INFO] [stdout] 449 |         phase: &mut HirPhase,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:457:55
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         Some(AsyncSource::SharedParam(data, index)) => {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:457:61
[INFO] [stdout]     |
[INFO] [stdout] 457 |                         Some(AsyncSource::SharedParam(data, index)) => {
[INFO] [stdout]     |                                                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:460:50
[INFO] [stdout]     |
[INFO] [stdout] 460 |                         Some(AsyncSource::Global(var)) => {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:463:53
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:463:59
[INFO] [stdout]     |
[INFO] [stdout] 463 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:466:53
[INFO] [stdout]     |
[INFO] [stdout] 466 |                         Some(AsyncSource::SyncLocal(data)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:469:57
[INFO] [stdout]     |
[INFO] [stdout] 469 |                         Some(AsyncSource::FunctionLocal(func_id)) => {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:472:55
[INFO] [stdout]     |
[INFO] [stdout] 472 |                         Some(AsyncSource::SharedField(data)) => {
[INFO] [stdout]     |                                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:481:50
[INFO] [stdout]     |
[INFO] [stdout] 481 |                         Some(AsyncSource::Global(var)) => {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:484:53
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:484:59
[INFO] [stdout]     |
[INFO] [stdout] 484 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:487:53
[INFO] [stdout]     |
[INFO] [stdout] 487 |                         Some(AsyncSource::SyncLocal(data)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:490:57
[INFO] [stdout]     |
[INFO] [stdout] 490 |                         Some(AsyncSource::FunctionLocal(func_id)) => {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `var`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:503:50
[INFO] [stdout]     |
[INFO] [stdout] 503 |                         Some(AsyncSource::Global(var)) => {
[INFO] [stdout]     |                                                  ^^^ help: if this is intentional, prefix it with an underscore: `_var`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:506:53
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:506:59
[INFO] [stdout]     |
[INFO] [stdout] 506 |                         Some(AsyncSource::SyncParam(data, index)) => {
[INFO] [stdout]     |                                                           ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `data`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:509:53
[INFO] [stdout]     |
[INFO] [stdout] 509 |                         Some(AsyncSource::SyncLocal(data)) => {
[INFO] [stdout]     |                                                     ^^^^ help: if this is intentional, prefix it with an underscore: `_data`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func_id`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/async_analysis/verify.rs:512:57
[INFO] [stdout]     |
[INFO] [stdout] 512 |                         Some(AsyncSource::FunctionLocal(func_id)) => {
[INFO] [stdout]     |                                                         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/type_analysis/fn_constraint.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> std::slice::Iter<AutoReference> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> std::slice::Iter<'_, AutoReference> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/mir/mir_expr/mir_graph.rs:1009:28
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     pub fn iter_vars_until(&self, until: Option<BlockLocalStatementUid>) -> IterBlockValues {
[INFO] [stdout]      |                            ^^^^^ the lifetime is elided here                ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     pub fn iter_vars_until(&self, until: Option<BlockLocalStatementUid>) -> IterBlockValues<'_> {
[INFO] [stdout]      |                                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `FilterMap` that must be used
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/async_analysis/dependency_checker.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 | /             state.mutable
[INFO] [stdout] 46 | |                 .iter()
[INFO] [stdout] 47 | |                 .enumerate()
[INFO] [stdout] 48 | |                 .filter_map(|(search_idx, search_item)| if search_idx != idx {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |                 None
[INFO] [stdout] 58 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = state.mutable
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/whole_program.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> btree_map::Iter<MirFuncId, T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> btree_map::Iter<'_, MirFuncId, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/whole_program.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn iter_mut(&mut self) -> btree_map::IterMut<MirFuncId, T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn iter_mut(&mut self) -> btree_map::IterMut<'_, MirFuncId, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/data.rs:206:49
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn find_data_indices<F: Fn(&V) -> bool>(&self, filter: F) -> FindDataIndicesIter<V, F> {
[INFO] [stdout]     |                                                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn find_data_indices<F: Fn(&V) -> bool>(&self, filter: F) -> FindDataIndicesIter<'_, V, F> {
[INFO] [stdout]     |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]   --> tests/env.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::fs::File;
[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: `Arc`
[INFO] [stdout]   --> tests/env.rs:35:17
[INFO] [stdout]    |
[INFO] [stdout] 35 | use std::sync::{Arc, Mutex};
[INFO] [stdout]    |                 ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::thread::current`
[INFO] [stdout]   --> tests/env.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use std::thread::current;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `AsciPrinter`, `AsyncFlowAnalysis`, `MirExprId`, `MirPrinter`, `StackFrameLayout`, `StackFrameOptions`, `process_comptime_functions`, and `process_function_mir_pass`
[INFO] [stdout]   --> tests/env.rs:41:56
[INFO] [stdout]    |
[INFO] [stdout] 41 | ...n, process_comptime_functions, process_function_mir_pass, AsciPrinter, Async, AsyncFlowAnalysis, CompileOptions, Context, DebugSymbols, MirExprId, MirFlowGraph, MirLoc, MirPrinter, MirValue, StackFrameLayout, StackFrameOptions};
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^         ^^^^^^^^^^^^^^^^^                                         ^^^^^^^^^                        ^^^^^^^^^^            ^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TypeError`
[INFO] [stdout]   --> tests/env.rs:43:349
[INFO] [stdout]    |
[INFO] [stdout] 43 | ...serSupplier, ResolveFn, ResolveNames, ResolveTypes, SrcPos, TypeError};
[INFO] [stdout]    |                                                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IterNonDivergentNodes<'_, 'path>` is more private than the item `BorrowTree::iter_nodes`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:545:5
[INFO] [stdout]     |
[INFO] [stdout] 545 |     pub(crate) fn iter_nodes<'path>(&self, path: &'path [BorrowStackElement]) -> IterNonDivergentNodes<'_, 'path> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BorrowTree::iter_nodes` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IterNonDivergentNodes<'_, 'path>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:731:1
[INFO] [stdout]     |
[INFO] [stdout] 731 | struct IterNonDivergentNodes<'tree, 'members> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IterNonDivergentNodes<'_, 'path>` is more private than the item `BorrowTree::iter_nodes_after`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:557:5
[INFO] [stdout]     |
[INFO] [stdout] 557 |     pub(crate) fn iter_nodes_after<'path>(&self, starting: NodeId, path: &'path [BorrowStackElement]) -> IterNonDivergentNodes<'_, 'path> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BorrowTree::iter_nodes_after` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IterNonDivergentNodes<'_, 'path>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:731:1
[INFO] [stdout]     |
[INFO] [stdout] 731 | struct IterNonDivergentNodes<'tree, 'members> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `IterParents<'_>` is more private than the item `BorrowTree::iter_rev`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:587:5
[INFO] [stdout]     |
[INFO] [stdout] 587 |     pub(crate) fn iter_rev(&self, start: NodeId) -> IterParents<'_> {
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ method `BorrowTree::iter_rev` is reachable at visibility `pub(crate)`
[INFO] [stdout]     |
[INFO] [stdout] note: but type `IterParents<'_>` is only usable at visibility `pub(self)`
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/borrow.rs:767:1
[INFO] [stdout]     |
[INFO] [stdout] 767 | struct IterParents<'tree> {
[INFO] [stdout]     | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `val`
[INFO] [stdout]    --> tests/env.rs:331:16
[INFO] [stdout]     |
[INFO] [stdout] 331 |             Ok(val) => {
[INFO] [stdout]     |                ^^^ help: if this is intentional, prefix it with an underscore: `_val`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `err`
[INFO] [stdout]    --> tests/env.rs:334:17
[INFO] [stdout]     |
[INFO] [stdout] 334 |             Err(err) => {
[INFO] [stdout]     |                 ^^^ help: if this is intentional, prefix it with an underscore: `_err`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]    --> tests/env.rs:348:9
[INFO] [stdout]     |
[INFO] [stdout] 348 |         backend: &mut <TestBackend as Backend>::FuncGen<'_>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_reg`
[INFO] [stdout]    --> tests/env.rs:349:9
[INFO] [stdout]     |
[INFO] [stdout] 349 |         type_reg: &mut MirPhase,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> tests/env.rs:350:9
[INFO] [stdout]     |
[INFO] [stdout] 350 |         cfg: &MirFlowGraph,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `call`
[INFO] [stdout]    --> tests/env.rs:351:9
[INFO] [stdout]     |
[INFO] [stdout] 351 |         call: &MirCall,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> tests/env.rs:352:9
[INFO] [stdout]     |
[INFO] [stdout] 352 |         target: Option<&MirValue>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exor_id`
[INFO] [stdout]    --> tests/env.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 353 |         exor_id: &CallSrc,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exor_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> tests/env.rs:358:26
[INFO] [stdout]     |
[INFO] [stdout] 358 |     fn debug_info(&self, info: &mut DebugInformation, loc: &MirLoc) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]    --> tests/env.rs:358:55
[INFO] [stdout]     |
[INFO] [stdout] 358 |     fn debug_info(&self, info: &mut DebugInformation, loc: &MirLoc) {}
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]    --> tests/env.rs:366:9
[INFO] [stdout]     |
[INFO] [stdout] 366 |         backend: &mut <TestBackend as Backend>::FuncGen<'_>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `type_reg`
[INFO] [stdout]    --> tests/env.rs:367:9
[INFO] [stdout]     |
[INFO] [stdout] 367 |         type_reg: &mut MirPhase,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_type_reg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `cfg`
[INFO] [stdout]    --> tests/env.rs:368:9
[INFO] [stdout]     |
[INFO] [stdout] 368 |         cfg: &MirFlowGraph,
[INFO] [stdout]     |         ^^^ help: if this is intentional, prefix it with an underscore: `_cfg`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `mir_call`
[INFO] [stdout]    --> tests/env.rs:369:9
[INFO] [stdout]     |
[INFO] [stdout] 369 |         mir_call: &MirCall,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_mir_call`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> tests/env.rs:370:9
[INFO] [stdout]     |
[INFO] [stdout] 370 |         target: Option<&MirValue>,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `exor_id`
[INFO] [stdout]    --> tests/env.rs:371:9
[INFO] [stdout]     |
[INFO] [stdout] 371 |         exor_id: &CallSrc,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_exor_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `info`
[INFO] [stdout]    --> tests/env.rs:376:26
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn debug_info(&self, info: &mut DebugInformation, loc: &MirLoc) {}
[INFO] [stdout]     |                          ^^^^ help: if this is intentional, prefix it with an underscore: `_info`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `loc`
[INFO] [stdout]    --> tests/env.rs:376:55
[INFO] [stdout]     |
[INFO] [stdout] 376 |     fn debug_info(&self, info: &mut DebugInformation, loc: &MirLoc) {}
[INFO] [stdout]     |                                                       ^^^ help: if this is intentional, prefix it with an underscore: `_loc`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `backend`
[INFO] [stdout]    --> tests/env.rs:385:9
[INFO] [stdout]     |
[INFO] [stdout] 385 |         backend: &mut TestBackend,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_backend`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `phase`
[INFO] [stdout]    --> tests/env.rs:386:9
[INFO] [stdout]     |
[INFO] [stdout] 386 |         phase: &mut MirPhase,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `hir_phase`
[INFO] [stdout]    --> tests/env.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         hir_phase: &HirPhase,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_hir_phase`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ip`
[INFO] [stdout]    --> tests/env.rs:388:9
[INFO] [stdout]     |
[INFO] [stdout] 388 |         ip: usize,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_ip`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `id`
[INFO] [stdout]    --> tests/env.rs:395:9
[INFO] [stdout]     |
[INFO] [stdout] 395 |         id: MirFuncId,
[INFO] [stdout]     |         ^^ help: if this is intentional, prefix it with an underscore: `_id`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]     --> tests/env.rs:1476:13
[INFO] [stdout]      |
[INFO] [stdout] 1476 |         let mut out = MockRc {
[INFO] [stdout]      |             ----^^^
[INFO] [stdout]      |             |
[INFO] [stdout]      |             help: remove this `mut`
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `async_data` is never read
[INFO] [stdout]   --> tests/env.rs:58:5
[INFO] [stdout]    |
[INFO] [stdout] 57 | struct TestCompiler {
[INFO] [stdout]    |        ------------ field in this struct
[INFO] [stdout] 58 |     async_data: Async,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `MockRc<f32>`, which is not FFI-safe
[INFO] [stdout]     --> tests/env.rs:1444:41
[INFO] [stdout]      |
[INFO] [stdout] 1444 |     extern "C" fn new_rc__(val: f32) -> MockRc<f32> {
[INFO] [stdout]      |                                         ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]      = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]     --> tests/env.rs:1406:5
[INFO] [stdout]      |
[INFO] [stdout] 1406 |     struct MockRc<T> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]      = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `MockRc<f32>`, which is not FFI-safe
[INFO] [stdout]     --> tests/env.rs:1474:56
[INFO] [stdout]      |
[INFO] [stdout] 1474 |     extern "C" fn copy_rc__(rc: *const MockRc<f32>) -> MockRc<f32> {
[INFO] [stdout]      |                                                        ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]      = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]     --> tests/env.rs:1406:5
[INFO] [stdout]      |
[INFO] [stdout] 1406 |     struct MockRc<T> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `MockRc<f32>`, which is not FFI-safe
[INFO] [stdout]     --> tests/env.rs:1507:33
[INFO] [stdout]      |
[INFO] [stdout] 1507 |     extern "C" fn drop_rc__(rc: MockRc<f32>) {
[INFO] [stdout]      |                                 ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]      = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]     --> tests/env.rs:1406:5
[INFO] [stdout]      |
[INFO] [stdout] 1406 |     struct MockRc<T> {
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `CuEvent`, which is not FFI-safe
[INFO] [stdout]     --> tests/env.rs:1638:36
[INFO] [stdout]      |
[INFO] [stdout] 1638 |     extern "C" fn record_impl() -> CuEvent {
[INFO] [stdout]      |                                    ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]      = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]     --> tests/env.rs:1578:5
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     struct CuEvent(isize);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `CuEvent`, which is not FFI-safe
[INFO] [stdout]     --> tests/env.rs:1642:33
[INFO] [stdout]      |
[INFO] [stdout] 1642 |     extern "C" fn sync_impl(ev: CuEvent) {
[INFO] [stdout]      |                                 ^^^^^^^ not FFI-safe
[INFO] [stdout]      |
[INFO] [stdout]      = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]      = note: this struct has unspecified layout
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]     --> tests/env.rs:1578:5
[INFO] [stdout]      |
[INFO] [stdout] 1578 |     struct CuEvent(isize);
[INFO] [stdout]      |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/core/type_analysis/fn_constraint.rs:50:17
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> std::slice::Iter<AutoReference> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 50 |     pub fn iter(&self) -> std::slice::Iter<'_, AutoReference> {
[INFO] [stdout]    |                                            +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]     --> src/mir/mir_expr/mir_graph.rs:1009:28
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     pub fn iter_vars_until(&self, until: Option<BlockLocalStatementUid>) -> IterBlockValues {
[INFO] [stdout]      |                            ^^^^^ the lifetime is elided here                ^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]      |
[INFO] [stdout]      = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]      |
[INFO] [stdout] 1009 |     pub fn iter_vars_until(&self, until: Option<BlockLocalStatementUid>) -> IterBlockValues<'_> {
[INFO] [stdout]      |                                                                                            ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `FilterMap` that must be used
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/async_analysis/dependency_checker.rs:45:13
[INFO] [stdout]    |
[INFO] [stdout] 45 | /             state.mutable
[INFO] [stdout] 46 | |                 .iter()
[INFO] [stdout] 47 | |                 .enumerate()
[INFO] [stdout] 48 | |                 .filter_map(|(search_idx, search_item)| if search_idx != idx {
[INFO] [stdout] ...  |
[INFO] [stdout] 57 | |                 None
[INFO] [stdout] 58 | |             });
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: iterators are lazy and do nothing unless consumed
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |             let _ = state.mutable
[INFO] [stdout]    |             +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/whole_program.rs:65:17
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> btree_map::Iter<MirFuncId, T> {
[INFO] [stdout]    |                 ^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                 |
[INFO] [stdout]    |                 the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 65 |     pub fn iter(&self) -> btree_map::Iter<'_, MirFuncId, T> {
[INFO] [stdout]    |                                           +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/mir/mir_expr/mir_graph/whole_program.rs:69:21
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn iter_mut(&mut self) -> btree_map::IterMut<MirFuncId, T> {
[INFO] [stdout]    |                     ^^^^^^^^^     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                     |
[INFO] [stdout]    |                     the lifetime is elided here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub fn iter_mut(&mut self) -> btree_map::IterMut<'_, MirFuncId, T> {
[INFO] [stdout]    |                                                      +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/mir/mir_expr/mir_graph/data.rs:206:49
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn find_data_indices<F: Fn(&V) -> bool>(&self, filter: F) -> FindDataIndicesIter<V, F> {
[INFO] [stdout]     |                                                 ^^^^^                ^^^^^^^^^^^^^^^^^^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]     |                                                 |
[INFO] [stdout]     |                                                 the lifetime is elided here
[INFO] [stdout]     |
[INFO] [stdout]     = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout] help: use `'_` for type paths
[INFO] [stdout]     |
[INFO] [stdout] 206 |     pub fn find_data_indices<F: Fn(&V) -> bool>(&self, filter: F) -> FindDataIndicesIter<'_, V, F> {
[INFO] [stdout]     |                                                                                          +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `anyhow`
[INFO] [stderr]  --> Cargo.toml:4:15
[INFO] [stderr]   |
[INFO] [stderr] 4 | [dependencies.anyhow]
[INFO] [stderr]   |               ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `anyhow`
[INFO] [stderr] help: to still use for development builds, move to `dev-dependencies`
[INFO] [stderr] warning: unused dependency `clap`
[INFO] [stderr]  --> Cargo.toml:7:15
[INFO] [stderr]   |
[INFO] [stderr] 7 | [dependencies.clap]
[INFO] [stderr]   |               ^^^^^
[INFO] [stderr]   |
[INFO] [stderr] help: consider removing the dependency on `clap`
[INFO] [stderr] warning: `edlc_core` (manifest) generated 2 warnings
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 28.33s
[INFO] running `Command { std: "docker" "inspect" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d", kill_on_drop: false }`
[INFO] [stdout] 7cbc6e1f4cc8f1d84f3ac1a90ffff0d3b12588eee8b924450a11bdc6d2f8e84d
