[INFO] fetching crate nodespeak 0.2.1...
[INFO] checking nodespeak-0.2.1 against master#bca37a20bd376ce3fd138e7cdee7fe704e0f8814 for pr-139493-3
[INFO] extracting crate nodespeak 0.2.1 into /workspace/builds/worker-4-tc1/source
[INFO] started tweaking crates.io crate nodespeak 0.2.1
[INFO] finished tweaking crates.io crate nodespeak 0.2.1
[INFO] tweaked toml for crates.io crate nodespeak 0.2.1 written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of crates.io crate nodespeak 0.2.1 on toolchain bca37a20bd376ce3fd138e7cdee7fe704e0f8814
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate nodespeak 0.2.1 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" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded readonly v0.1.5
[INFO] [stderr]   Downloaded terminal_size v0.1.12
[INFO] [stderr]   Downloaded thiserror-impl v1.0.16
[INFO] [stderr]   Downloaded cc v1.0.52
[INFO] [stderr]   Downloaded thiserror v1.0.16
[INFO] [stderr]   Downloaded llvm-sys v70.2.1
[INFO] [stderr]   Downloaded snailquote v0.3.0
[INFO] [stderr]   Downloaded text_io v0.1.8
[INFO] [stderr]   Downloaded syn v1.0.18
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b5b651d9464623ab6afd9c3465b79160e448a1c8416a1677e5db5fe04089e210
[INFO] running `Command { std: "docker" "start" "-a" "b5b651d9464623ab6afd9c3465b79160e448a1c8416a1677e5db5fe04089e210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b5b651d9464623ab6afd9c3465b79160e448a1c8416a1677e5db5fe04089e210", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5b651d9464623ab6afd9c3465b79160e448a1c8416a1677e5db5fe04089e210", kill_on_drop: false }`
[INFO] [stdout] b5b651d9464623ab6afd9c3465b79160e448a1c8416a1677e5db5fe04089e210
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:aa71247004a7fa38d13ec170f48f06cdedf5bc50b2a8645e56ed7e992e6fa513" "/opt/rustwide/cargo-home/bin/cargo" "+bca37a20bd376ce3fd138e7cdee7fe704e0f8814" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47d894da862a7303509a8f4da432f35ffd1f9e187647ac188313695db54716c
[INFO] running `Command { std: "docker" "start" "-a" "c47d894da862a7303509a8f4da432f35ffd1f9e187647ac188313695db54716c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.12
[INFO] [stderr]    Compiling syn v1.0.18
[INFO] [stderr]    Compiling regex-syntax v0.6.17
[INFO] [stderr]    Compiling ucd-trie v0.1.3
[INFO] [stderr]    Compiling cc v1.0.52
[INFO] [stderr]    Compiling maplit v1.0.2
[INFO] [stderr]     Checking text_io v0.1.8
[INFO] [stderr]    Compiling memchr v2.3.3
[INFO] [stderr]    Compiling thread_local v1.0.1
[INFO] [stderr]     Checking terminal_size v0.1.12
[INFO] [stderr]     Checking colored v1.9.3
[INFO] [stderr]    Compiling aho-corasick v0.7.10
[INFO] [stderr]    Compiling pest v2.1.3
[INFO] [stderr]    Compiling pest_meta v2.1.3
[INFO] [stderr]    Compiling quote v1.0.4
[INFO] [stderr]    Compiling regex v1.3.7
[INFO] [stderr]    Compiling pest_generator v2.1.3
[INFO] [stderr]    Compiling thiserror-impl v1.0.16
[INFO] [stderr]    Compiling readonly v0.1.5
[INFO] [stderr]    Compiling llvm-sys v70.2.1
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]     Checking thiserror v1.0.16
[INFO] [stderr]     Checking snailquote v0.3.0
[INFO] [stderr]     Checking nodespeak v0.2.1 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/llvmir/ingest.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[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 imports: `CompileProblem` and `FilePosition`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::high_level::problem::{CompileProblem, FilePosition};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> src/llvmir/ingest.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[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: `crate::resolved::structure as o`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::resolved::structure as o;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vague::structure as i`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vague::structure as i;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `CompileProblem` and `FilePosition`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:2:34
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::high_level::problem::{CompileProblem, FilePosition};
[INFO] [stdout]   |                                  ^^^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::resolved::structure as o`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::resolved::structure as o;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::vague::structure as i`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::vague::structure as i;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::high_level::problem::CompileProblem`
[INFO] [stdout]  --> src/resolved/ingest/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::high_level::problem::CompileProblem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shared as s`
[INFO] [stdout]  --> src/resolved/ingest/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shared as s;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util`
[INFO] [stdout]  --> src/resolved/ingest/vcexpression.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{problems, util, ResolvedVCExpression, ResolvedVPExpression, ScopeResolver};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/resolved/ingest/vcexpression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ScopeId` and `VariableId`
[INFO] [stdout]  --> src/resolved/structure/scope.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::resolved::structure::{ScopeId, Statement, VariableId};
[INFO] [stdout]   |                                  ^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/resolved/structure/scope.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/resolved/ingest/helpers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProblemType::Hint`
[INFO] [stdout]  --> src/trivial/ingest/problems.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ProblemType::Hint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::high_level::problem::CompileProblem`
[INFO] [stdout]  --> src/resolved/ingest/util.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::high_level::problem::CompileProblem;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::shared as s`
[INFO] [stdout]  --> src/resolved/ingest/util.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::shared as s;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `util`
[INFO] [stdout]  --> src/resolved/ingest/vcexpression.rs:1:23
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{problems, util, ResolvedVCExpression, ResolvedVPExpression, ScopeResolver};
[INFO] [stdout]   |                       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::Borrow`
[INFO] [stdout]  --> src/resolved/ingest/vcexpression.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::borrow::Borrow;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ScopeId` and `VariableId`
[INFO] [stdout]  --> src/resolved/structure/scope.rs:1:34
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::resolved::structure::{ScopeId, Statement, VariableId};
[INFO] [stdout]   |                                  ^^^^^^^             ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/resolved/structure/scope.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ProblemType::Hint`
[INFO] [stdout]  --> src/trivial/ingest/problems.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ProblemType::Hint;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FilePosition`
[INFO] [stdout]  --> src/vague/ingest/vcexpression.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::high_level::problem::{CompileProblem, FilePosition};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `FilePosition`
[INFO] [stdout]  --> src/vague/ingest/vcexpression.rs:3:50
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::high_level::problem::{CompileProblem, FilePosition};
[INFO] [stdout]   |                                                  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/resolved/ingest/statements.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         position: &FilePosition,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dtype`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:178:64
[INFO] [stdout]     |
[INFO] [stdout] 178 |             ResolvedVPExpression::Interpreted(data, index_pos, dtype) => {
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_dtype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:199:76
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     ResolvedVPExpression::Interpreted(base_data, base_pos, base_type) => {
[INFO] [stdout]     |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:205:63
[INFO] [stdout]     |
[INFO] [stdout] 205 |                     ResolvedVPExpression::Modified(base_expr, base_type) => {
[INFO] [stdout]     |                                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   position,
[INFO] [stdout]     |                       ^^^^^^^^ help: try ignoring the field: `position: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:260:63
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     ResolvedVPExpression::Modified(base_expr, base_type) => {
[INFO] [stdout]     |                                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/resolved/ingest/statements.rs:387:9
[INFO] [stdout]     |
[INFO] [stdout] 387 |         position: &FilePosition,
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_position`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `dtype`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:178:64
[INFO] [stdout]     |
[INFO] [stdout] 178 |             ResolvedVPExpression::Interpreted(data, index_pos, dtype) => {
[INFO] [stdout]     |                                                                ^^^^^ help: if this is intentional, prefix it with an underscore: `_dtype`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:199:76
[INFO] [stdout]     |
[INFO] [stdout] 199 |                     ResolvedVPExpression::Interpreted(base_data, base_pos, base_type) => {
[INFO] [stdout]     |                                                                            ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:205:63
[INFO] [stdout]     |
[INFO] [stdout] 205 |                     ResolvedVPExpression::Modified(base_expr, base_type) => {
[INFO] [stdout]     |                                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `position`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:213:33
[INFO] [stdout]     |
[INFO] [stdout] 213 | ...                   position,
[INFO] [stdout]     |                       ^^^^^^^^ help: try ignoring the field: `position: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `base_type`
[INFO] [stdout]    --> src/resolved/ingest/vpexpression.rs:260:63
[INFO] [stdout]     |
[INFO] [stdout] 260 |                     ResolvedVPExpression::Modified(base_expr, base_type) => {
[INFO] [stdout]     |                                                               ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_base_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]    --> src/trivial/ingest/mod.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         statement: &i::Statement,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `statement`
[INFO] [stdout]    --> src/trivial/ingest/mod.rs:453:9
[INFO] [stdout]     |
[INFO] [stdout] 453 |         statement: &i::Statement,
[INFO] [stdout]     |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `powi_i32` is never read
[INFO] [stdout]   --> src/llvmir/ingest.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Intrinsics {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 13 |     sqrt_f32: LLVMValueRef,
[INFO] [stdout] 14 |     powi_i32: LLVMValueRef,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `borrow_temporary_item` is never used
[INFO] [stdout]    --> src/resolved/ingest/foundation.rs:283:19
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl<'a> ScopeResolver<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub(super) fn borrow_temporary_item(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone_position` is never used
[INFO] [stdout]    --> src/resolved/ingest/foundation.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 392 | impl ResolvedVCExpression {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 400 |     pub(super) fn clone_position(&self) -> FilePosition {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/resolved/ingest/possibly_known_data.rs:30:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl PossiblyKnownData {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub fn collect(items: Vec<PossiblyKnownData>) -> PossiblyKnownData {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub fn to_resolved_data(&self) -> Result<o::KnownData, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub fn is_known(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn get_data_type(&self) -> Option<i::DataType> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn require_bool(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn require_int(&self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn require_float(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn require_data_type(&self) -> &i::DataType {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn require_macro(&self) -> &i::MacroData {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn require_array(&self) -> &Vec<PossiblyKnownData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn require_array_mut(&mut self) -> &mut Vec<PossiblyKnownData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `void_value` is never used
[INFO] [stdout]  --> src/trivial/ingest/problems.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn void_value(value_pos: FilePosition) -> CompileProblem {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/mod.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn ingest(text: &str, file_id: usize) -> Result<structure::Program, CompileProblem> {
[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] 106 | pub fn ingest(text: &str, file_id: usize) -> Result<structure::Program<'_>, CompileProblem> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/llvmir/ingest.rs:790:65
[INFO] [stdout]     |
[INFO] [stdout] 790 |             for instruction in self.source.borrow_instructions().clone() {
[INFO] [stdout]     |                                                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<instruction::Instruction>` does not implement `Clone`, so calling `clone` on `&Vec<instruction::Instruction>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 790 -             for instruction in self.source.borrow_instructions().clone() {
[INFO] [stdout] 790 +             for instruction in self.source.borrow_instructions() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/llvmir/ingest.rs:824:77
[INFO] [stdout]     |
[INFO] [stdout] 824 |             for instruction in self.source.borrow_static_init_instructions().clone() {
[INFO] [stdout]     |                                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<instruction::Instruction>` does not implement `Clone`, so calling `clone` on `&Vec<instruction::Instruction>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 824 -             for instruction in self.source.borrow_static_init_instructions().clone() {
[INFO] [stdout] 824 +             for instruction in self.source.borrow_static_init_instructions() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::collections::hash_set::Union` that must be used
[INFO] [stdout]    --> src/resolved/ingest/foundation.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         self.table
[INFO] [stdout] 138 | |             .unresolved_auto_vars
[INFO] [stdout] 139 | |             .union(&top_table.unresolved_auto_vars);
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the union as an iterator, without modifying either input set
[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] 137 |         let _ = self.table
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/trivial/ingest/mod.rs:460:61
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut tvalue = self.trivialize_vp_expression(value.borrow())?;
[INFO] [stdout]     |                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `resolved::structure::expression::VPExpression` does not implement `Borrow`, so calling `borrow` on `&resolved::structure::expression::VPExpression` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 460 -         let mut tvalue = self.trivialize_vp_expression(value.borrow())?;
[INFO] [stdout] 460 +         let mut tvalue = self.trivialize_vp_expression(value)?;
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `resolved::structure::expression::VPExpression`, implement `Clone` for it
[INFO] [stdout]    --> src/resolved/structure/expression.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 + #[derive(Clone)]
[INFO] [stdout] 111 | pub enum VPExpression {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `powi_i32` is never read
[INFO] [stdout]   --> src/llvmir/ingest.rs:14:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | struct Intrinsics {
[INFO] [stdout]    |        ---------- field in this struct
[INFO] [stdout] 13 |     sqrt_f32: LLVMValueRef,
[INFO] [stdout] 14 |     powi_i32: LLVMValueRef,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `borrow_temporary_item` is never used
[INFO] [stdout]    --> src/resolved/ingest/foundation.rs:283:19
[INFO] [stdout]     |
[INFO] [stdout]  86 | impl<'a> ScopeResolver<'a> {
[INFO] [stdout]     | -------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 283 |     pub(super) fn borrow_temporary_item(
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `clone_position` is never used
[INFO] [stdout]    --> src/resolved/ingest/foundation.rs:400:19
[INFO] [stdout]     |
[INFO] [stdout] 392 | impl ResolvedVCExpression {
[INFO] [stdout]     | ------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 400 |     pub(super) fn clone_position(&self) -> FilePosition {
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/resolved/ingest/possibly_known_data.rs:30:12
[INFO] [stdout]     |
[INFO] [stdout]  17 | impl PossiblyKnownData {
[INFO] [stdout]     | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  30 |     pub fn collect(items: Vec<PossiblyKnownData>) -> PossiblyKnownData {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  82 |     pub fn to_resolved_data(&self) -> Result<o::KnownData, ()> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout]  98 |     pub fn is_known(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 113 |     pub fn get_data_type(&self) -> Option<i::DataType> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 135 |     pub fn require_bool(&self) -> bool {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn require_int(&self) -> i64 {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 149 |     pub fn require_float(&self) -> f64 {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 156 |     pub fn require_data_type(&self) -> &i::DataType {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 163 |     pub fn require_macro(&self) -> &i::MacroData {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 170 |     pub fn require_array(&self) -> &Vec<PossiblyKnownData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 177 |     pub fn require_array_mut(&mut self) -> &mut Vec<PossiblyKnownData> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `void_value` is never used
[INFO] [stdout]  --> src/trivial/ingest/problems.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn void_value(value_pos: FilePosition) -> CompileProblem {
[INFO] [stdout]   |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]    --> src/ast/mod.rs:106:21
[INFO] [stdout]     |
[INFO] [stdout] 106 | pub fn ingest(text: &str, file_id: usize) -> Result<structure::Program, CompileProblem> {
[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] 106 | pub fn ingest(text: &str, file_id: usize) -> Result<structure::Program<'_>, CompileProblem> {
[INFO] [stdout]     |                                                                       ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/llvmir/ingest.rs:790:65
[INFO] [stdout]     |
[INFO] [stdout] 790 |             for instruction in self.source.borrow_instructions().clone() {
[INFO] [stdout]     |                                                                 ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<instruction::Instruction>` does not implement `Clone`, so calling `clone` on `&Vec<instruction::Instruction>` copies the reference, which does not do anything and can be removed
[INFO] [stdout]     = note: `#[warn(noop_method_call)]` on by default
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 790 -             for instruction in self.source.borrow_instructions().clone() {
[INFO] [stdout] 790 +             for instruction in self.source.borrow_instructions() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.clone()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/llvmir/ingest.rs:824:77
[INFO] [stdout]     |
[INFO] [stdout] 824 |             for instruction in self.source.borrow_static_init_instructions().clone() {
[INFO] [stdout]     |                                                                             ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `Vec<instruction::Instruction>` does not implement `Clone`, so calling `clone` on `&Vec<instruction::Instruction>` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 824 -             for instruction in self.source.borrow_static_init_instructions().clone() {
[INFO] [stdout] 824 +             for instruction in self.source.borrow_static_init_instructions() {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::collections::hash_set::Union` that must be used
[INFO] [stdout]    --> src/resolved/ingest/foundation.rs:137:9
[INFO] [stdout]     |
[INFO] [stdout] 137 | /         self.table
[INFO] [stdout] 138 | |             .unresolved_auto_vars
[INFO] [stdout] 139 | |             .union(&top_table.unresolved_auto_vars);
[INFO] [stdout]     | |___________________________________________________^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this returns the union as an iterator, without modifying either input set
[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] 137 |         let _ = self.table
[INFO] [stdout]     |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: call to `.borrow()` on a reference in this situation does nothing
[INFO] [stdout]    --> src/trivial/ingest/mod.rs:460:61
[INFO] [stdout]     |
[INFO] [stdout] 460 |         let mut tvalue = self.trivialize_vp_expression(value.borrow())?;
[INFO] [stdout]     |                                                             ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: the type `resolved::structure::expression::VPExpression` does not implement `Borrow`, so calling `borrow` on `&resolved::structure::expression::VPExpression` copies the reference, which does not do anything and can be removed
[INFO] [stdout] help: remove this redundant call
[INFO] [stdout]     |
[INFO] [stdout] 460 -         let mut tvalue = self.trivialize_vp_expression(value.borrow())?;
[INFO] [stdout] 460 +         let mut tvalue = self.trivialize_vp_expression(value)?;
[INFO] [stdout]     |
[INFO] [stdout] help: if you meant to clone `resolved::structure::expression::VPExpression`, implement `Clone` for it
[INFO] [stdout]    --> src/resolved/structure/expression.rs:110:1
[INFO] [stdout]     |
[INFO] [stdout] 110 + #[derive(Clone)]
[INFO] [stdout] 111 | pub enum VPExpression {
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.68s
[INFO] running `Command { std: "docker" "inspect" "c47d894da862a7303509a8f4da432f35ffd1f9e187647ac188313695db54716c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47d894da862a7303509a8f4da432f35ffd1f9e187647ac188313695db54716c", kill_on_drop: false }`
[INFO] [stdout] c47d894da862a7303509a8f4da432f35ffd1f9e187647ac188313695db54716c
