[INFO] cloning repository https://github.com/ishehadeh/howlite
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ishehadeh/howlite" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishehadeh%2Fhowlite", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishehadeh%2Fhowlite'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] eb3b78e68113c07d8cbaff67ae35f2452cc39e3e
[INFO] checking ishehadeh/howlite against master#46424fb5054f211ec836c5c03159f92e46bb35ac for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fishehadeh%2Fhowlite" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ishehadeh/howlite on toolchain 46424fb5054f211ec836c5c03159f92e46bb35ac
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ishehadeh/howlite
[INFO] finished tweaking git repo https://github.com/ishehadeh/howlite
[INFO] tweaked toml for git repo https://github.com/ishehadeh/howlite written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ishehadeh/howlite 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" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/ishehadeh/aries`
[INFO] [stderr]     Updating git submodule `https://github.com/aiplan4eu/unified-planning.git`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded archery v1.2.1
[INFO] [stderr]   Downloaded sparsevec v0.2.0
[INFO] [stderr]   Downloaded packedvec v1.2.4
[INFO] [stderr]   Downloaded cfgrammar v0.13.7
[INFO] [stderr]   Downloaded logos-derive v0.14.2
[INFO] [stderr]   Downloaded cactus v1.0.7
[INFO] [stderr]   Downloaded logos-codegen v0.14.2
[INFO] [stderr]   Downloaded lrlex v0.13.7
[INFO] [stderr]   Downloaded lrpar v0.13.7
[INFO] [stderr]   Downloaded lrtable v0.13.8
[INFO] [stderr]   Downloaded vob v3.0.3
[INFO] [stderr]   Downloaded rpds v1.1.0
[INFO] [stderr]   Downloaded logos v0.14.2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c7a85f866dea766535695d7656eca108e22fab26010b46f00053794e937b81f0
[INFO] running `Command { std: "docker" "start" "-a" "c7a85f866dea766535695d7656eca108e22fab26010b46f00053794e937b81f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c7a85f866dea766535695d7656eca108e22fab26010b46f00053794e937b81f0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c7a85f866dea766535695d7656eca108e22fab26010b46f00053794e937b81f0", kill_on_drop: false }`
[INFO] [stdout] c7a85f866dea766535695d7656eca108e22fab26010b46f00053794e937b81f0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+46424fb5054f211ec836c5c03159f92e46bb35ac" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 4ea54432db705d07f182fe333d7ffb4aea362000b1d0f3c8c372b010d9020b09
[INFO] running `Command { std: "docker" "start" "-a" "4ea54432db705d07f182fe333d7ffb4aea362000b1d0f3c8c372b010d9020b09", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.89
[INFO] [stderr]    Compiling unicode-ident v1.0.13
[INFO] [stderr]    Compiling autocfg v1.4.0
[INFO] [stderr]    Compiling libc v0.2.164
[INFO] [stderr]    Compiling libm v0.2.11
[INFO] [stderr]    Compiling serde v1.0.215
[INFO] [stderr]     Checking cfg-if v1.0.0
[INFO] [stderr]    Compiling semver v1.0.23
[INFO] [stderr]     Checking once_cell v1.20.2
[INFO] [stderr]    Compiling anyhow v1.0.93
[INFO] [stderr]     Checking allocator-api2 v0.2.20
[INFO] [stderr]    Compiling rustversion v1.0.18
[INFO] [stderr]    Compiling powerfmt v0.2.0
[INFO] [stderr]    Compiling itoa v1.0.11
[INFO] [stderr]    Compiling num_threads v0.1.7
[INFO] [stderr]     Checking lazy_static v1.5.0
[INFO] [stderr]    Compiling num-conv v0.1.0
[INFO] [stderr]    Compiling time-core v0.1.2
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking equivalent v1.0.1
[INFO] [stderr]    Compiling deranged v0.3.11
[INFO] [stderr]     Checking foldhash v0.1.3
[INFO] [stderr]     Checking memchr v2.7.4
[INFO] [stderr]     Checking tracing-core v0.1.32
[INFO] [stderr]     Checking pin-project-lite v0.2.15
[INFO] [stderr]     Checking byteorder v1.5.0
[INFO] [stderr]    Compiling num-traits v0.2.19
[INFO] [stderr]     Checking hashbrown v0.15.1
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]     Checking smallvec v1.13.2
[INFO] [stderr]    Compiling crossbeam-utils v0.8.20
[INFO] [stderr]    Compiling rustc_version v0.4.1
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]    Compiling rustix v0.38.40
[INFO] [stderr]     Checking indexmap v2.6.0
[INFO] [stderr]    Compiling vergen v8.3.2
[INFO] [stderr]     Checking bit-vec v0.6.3
[INFO] [stderr]     Checking bitflags v2.6.0
[INFO] [stderr]     Checking bit-set v0.5.3
[INFO] [stderr]    Compiling thiserror v1.0.69
[INFO] [stderr]    Compiling version_check v0.9.5
[INFO] [stderr]     Checking linux-raw-sys v0.4.14
[INFO] [stderr]    Compiling vob v3.0.3
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.6
[INFO] [stderr]     Checking unicode-width v0.1.14
[INFO] [stderr]    Compiling quote v1.0.37
[INFO] [stderr]    Compiling time v0.3.36
[INFO] [stderr]     Checking getrandom v0.2.15
[INFO] [stderr]    Compiling filetime v0.2.25
[INFO] [stderr]    Compiling slotmap v1.0.7
[INFO] [stderr]    Compiling syn v2.0.87
[INFO] [stderr]     Checking bumpalo v3.16.0
[INFO] [stderr]    Compiling cactus v1.0.7
[INFO] [stderr]    Compiling static_assertions v1.1.0
[INFO] [stderr]     Checking num-bigint v0.4.6
[INFO] [stderr]     Checking num-iter v0.1.45
[INFO] [stderr]     Checking fastrand v2.2.0
[INFO] [stderr]     Checking regex-syntax v0.6.29
[INFO] [stderr]     Checking triomphe v0.1.14
[INFO] [stderr]     Checking either v1.13.0
[INFO] [stderr]     Checking rand_core v0.6.4
[INFO] [stderr]    Compiling thiserror v2.0.3
[INFO] [stderr]     Checking wait-timeout v0.2.0
[INFO] [stderr]     Checking archery v1.2.1
[INFO] [stderr]     Checking crossbeam-channel v0.5.13
[INFO] [stderr]     Checking lru v0.12.5
[INFO] [stderr]     Checking itertools v0.13.0
[INFO] [stderr]     Checking env_param v0.1.0 (https://github.com/ishehadeh/aries?branch=feat%2Fint-type-features#5cdde548)
[INFO] [stderr]    Compiling getopts v0.2.21
[INFO] [stderr]     Checking vec_map v0.8.2
[INFO] [stderr]     Checking overload v0.1.1
[INFO] [stderr]     Checking streaming-iterator v0.1.9
[INFO] [stderr]     Checking log v0.4.22
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking quick-error v1.2.3
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]     Checking nu-ansi-term v0.46.0
[INFO] [stderr]     Checking rpds v1.1.0
[INFO] [stderr]     Checking tracing-log v0.2.0
[INFO] [stderr]     Checking rand_xorshift v0.3.0
[INFO] [stderr]     Checking thread_local v1.1.8
[INFO] [stderr]     Checking sharded-slab v0.1.7
[INFO] [stderr]     Checking unarray v0.1.4
[INFO] [stderr]     Checking hashbrown v0.14.5
[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]     Checking rustc-hash v1.1.0
[INFO] [stderr]     Checking stable_deref_trait v1.2.0
[INFO] [stderr]     Checking countme v3.0.1
[INFO] [stderr]    Compiling radium v0.7.0
[INFO] [stderr]     Checking text-size v1.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.9.10
[INFO] [stderr]     Checking elsa v1.10.0
[INFO] [stderr]     Checking unicode-properties v0.1.3
[INFO] [stderr]     Checking tap v1.0.1
[INFO] [stderr]     Checking smol_str v0.3.2
[INFO] [stderr]     Checking scopeguard v1.2.0
[INFO] [stderr]     Checking num-rational v0.4.2
[INFO] [stderr]     Checking rowan v0.16.1
[INFO] [stderr]     Checking wyz v0.5.1
[INFO] [stderr]     Checking funty v2.0.0
[INFO] [stderr]     Checking diff v0.1.13
[INFO] [stderr]     Checking yansi v1.0.1
[INFO] [stderr]     Checking rustc-hash v2.0.0
[INFO] [stderr]     Checking dashmap v6.1.0
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking num v0.4.3
[INFO] [stderr]     Checking pretty_assertions v1.4.1
[INFO] [stderr]     Checking bitvec v1.0.1
[INFO] [stderr]     Checking regex-automata v0.1.10
[INFO] [stderr]    Compiling lrpar v0.13.7
[INFO] [stderr]    Compiling lrlex v0.13.7
[INFO] [stderr]     Checking tempfile v3.14.0
[INFO] [stderr]     Checking rusty-fork v0.3.0
[INFO] [stderr]     Checking matchers v0.1.0
[INFO] [stderr]    Compiling logos-codegen v0.14.2
[INFO] [stderr]    Compiling serde_derive v1.0.215
[INFO] [stderr]    Compiling tracing-attributes v0.1.27
[INFO] [stderr]    Compiling zerocopy-derive v0.7.35
[INFO] [stderr]    Compiling thiserror-impl v1.0.69
[INFO] [stderr]    Compiling thiserror-impl v2.0.3
[INFO] [stderr]    Compiling miette-derive v7.2.0
[INFO] [stderr]    Compiling tracing-test-macro v0.2.5
[INFO] [stderr]    Compiling proptest-derive v0.5.0
[INFO] [stderr]    Compiling logos-derive v0.14.2
[INFO] [stderr]     Checking logos v0.14.2
[INFO] [stderr]     Checking zerocopy v0.7.35
[INFO] [stderr]     Checking miette v7.2.0
[INFO] [stderr]     Checking tracing v0.1.40
[INFO] [stderr]     Checking sunstone v0.1.0 (/opt/rustwide/workdir/sunstone)
[INFO] [stderr]     Checking tracing-subscriber v0.3.18
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> sunstone/src/bitfield.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::{debug, instrument, trace, warn, Level};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Neg`
[INFO] [stdout]  --> sunstone/src/lib.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{fmt::Debug, ops::Neg};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking ppv-lite86 v0.2.20
[INFO] [stderr]     Checking preseli v0.1.0 (/opt/rustwide/workdir/preseli)
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> preseli/src/constraints/multiply_eq_const.rs:56:51
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 (lhs_range.hi() - rhs_range.hi()).div_ceil(&self.lhs_coefficient),
[INFO] [stdout]    |                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `num_integer::Integer::div_ceil(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::<impl i128>::div_ceil`
[INFO] [stdout]   --> preseli/src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(int_roundings)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> preseli/src/constraints/multiply_eq_const.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 (rhs_range.lo() - lhs_range.lo()).div_ceil(&self.lhs_coefficient),
[INFO] [stdout]    |                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `num_integer::Integer::div_ceil(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::<impl i128>::div_ceil`
[INFO] [stdout]   --> preseli/src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(int_roundings)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> preseli/src/constraints/multiply_eq_const.rs:56:51
[INFO] [stdout]    |
[INFO] [stdout] 56 |                 (lhs_range.hi() - rhs_range.hi()).div_ceil(&self.lhs_coefficient),
[INFO] [stdout]    |                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `num_integer::Integer::div_ceil(...)` to keep using the current method
[INFO] [stdout]    = note: `#[warn(unstable_name_collisions)]` on by default
[INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::<impl i128>::div_ceil`
[INFO] [stdout]   --> preseli/src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(int_roundings)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: a method with this name may be added to the standard library in the future
[INFO] [stdout]   --> preseli/src/constraints/multiply_eq_const.rs:64:51
[INFO] [stdout]    |
[INFO] [stdout] 64 |                 (rhs_range.lo() - lhs_range.lo()).div_ceil(&self.lhs_coefficient),
[INFO] [stdout]    |                                                   ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = warning: once this associated item is added to the standard library, the ambiguity may cause an error or change in behavior!
[INFO] [stdout]    = note: for more information, see issue #48919 <https://github.com/rust-lang/rust/issues/48919>
[INFO] [stdout]    = help: call with fully qualified syntax `num_integer::Integer::div_ceil(...)` to keep using the current method
[INFO] [stdout] help: add `#![feature(int_roundings)]` to the crate attributes to enable `core::num::<impl i128>::div_ceil`
[INFO] [stdout]   --> preseli/src/lib.rs:1:1
[INFO] [stdout]    |
[INFO] [stdout] 1  + #![feature(int_roundings)]
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]   --> preseli/src/environment.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct Generation {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 97 |     parent: GenerationId,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Generation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `variable` and `value` are never read
[INFO] [stdout]    --> preseli/src/environment.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     CreateVariable {
[INFO] [stdout]     |     -------------- fields in this variant
[INFO] [stdout] 106 |         variable: VariableId,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 107 |         value: IntegerSet,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GenerationAction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]    --> preseli/src/environment.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct Environment {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 121 |     root: GenerationId,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Environment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark_satisfied` and `last_variable_introduction` are never used
[INFO] [stdout]    --> preseli/src/environment.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl Environment {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 247 |     fn mark_satisfied(&mut self, generation: GenerationId, constraint: ConstraintId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 314 |     fn last_variable_introduction(&self) -> Option<GenerationId> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `constraint_id` and `parent_current_generation` are never read
[INFO] [stdout]    --> preseli/src/environment.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 333 | pub struct PropogationEnvironment<'env> {
[INFO] [stdout]     |            ---------------------- fields in this struct
[INFO] [stdout] 334 |     constraint_id: ConstraintId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 335 |     generations: &'env SlotMap<GenerationId, Generation>,
[INFO] [stdout] 336 |     parent_current_generation: GenerationId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PropogationEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `parent` is never read
[INFO] [stdout]   --> preseli/src/environment.rs:97:5
[INFO] [stdout]    |
[INFO] [stdout] 96 | pub struct Generation {
[INFO] [stdout]    |            ---------- field in this struct
[INFO] [stdout] 97 |     parent: GenerationId,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Generation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `variable` and `value` are never read
[INFO] [stdout]    --> preseli/src/environment.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |     CreateVariable {
[INFO] [stdout]     |     -------------- fields in this variant
[INFO] [stdout] 106 |         variable: VariableId,
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout] 107 |         value: IntegerSet,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `GenerationAction` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `root` is never read
[INFO] [stdout]    --> preseli/src/environment.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout] 116 | pub struct Environment {
[INFO] [stdout]     |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 121 |     root: GenerationId,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Environment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `mark_satisfied` and `last_variable_introduction` are never used
[INFO] [stdout]    --> preseli/src/environment.rs:247:8
[INFO] [stdout]     |
[INFO] [stdout] 191 | impl Environment {
[INFO] [stdout]     | ---------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 247 |     fn mark_satisfied(&mut self, generation: GenerationId, constraint: ConstraintId) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 314 |     fn last_variable_introduction(&self) -> Option<GenerationId> {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `constraint_id` and `parent_current_generation` are never read
[INFO] [stdout]    --> preseli/src/environment.rs:334:5
[INFO] [stdout]     |
[INFO] [stdout] 333 | pub struct PropogationEnvironment<'env> {
[INFO] [stdout]     |            ---------------------- fields in this struct
[INFO] [stdout] 334 |     constraint_id: ConstraintId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^
[INFO] [stdout] 335 |     generations: &'env SlotMap<GenerationId, Generation>,
[INFO] [stdout] 336 |     parent_current_generation: GenerationId,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `PropogationEnvironment` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking rand_chacha v0.3.1
[INFO] [stderr]     Checking tracing-test v0.2.5
[INFO] [stderr]     Checking rand v0.8.5
[INFO] [stderr]     Checking aries v0.0.6 (https://github.com/ishehadeh/aries?branch=feat%2Fint-type-features#5cdde548)
[INFO] [stderr]     Checking proptest v1.5.0
[INFO] [stderr]     Checking packedvec v1.2.4
[INFO] [stderr]     Checking bincode v1.3.3
[INFO] [stderr]     Checking cfgrammar v0.13.7
[INFO] [stderr]     Checking sparsevec v0.2.0
[INFO] [stderr]     Checking howlite-typecheck v0.1.0 (/opt/rustwide/workdir/howlite-typecheck)
[INFO] [stdout] warning: unused import: `sunstone::ops::PartialBounded`
[INFO] [stdout]   --> howlite-typecheck/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sunstone::ops::PartialBounded;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> howlite-typecheck/src/lib.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | use tracing::{debug, instrument, trace, Level};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `sunstone::ops::PartialBounded`
[INFO] [stdout]   --> howlite-typecheck/src/lib.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 | use sunstone::ops::PartialBounded;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]   --> howlite-typecheck/src/lib.rs:33:34
[INFO] [stdout]    |
[INFO] [stdout] 33 | use tracing::{debug, instrument, trace, Level};
[INFO] [stdout]    |                                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get_var` is never used
[INFO] [stdout]   --> howlite-typecheck/src/constraints.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<SymbolT: Symbol> ConstraintContext<SymbolT> {
[INFO] [stdout]    | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get_var(&self, symbol: SymbolT) -> Result<VariableId, ConstraintError<SymbolT>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lrtable v0.13.8
[INFO] [stdout] warning: method `get_var` is never used
[INFO] [stdout]   --> howlite-typecheck/src/constraints.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl<SymbolT: Symbol> ConstraintContext<SymbolT> {
[INFO] [stdout]    | ------------------------------------------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 38 |     fn get_var(&self, symbol: SymbolT) -> Result<VariableId, ConstraintError<SymbolT>> {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `trace`
[INFO] [stdout]  --> sunstone/src/bitfield.rs:4:34
[INFO] [stdout]   |
[INFO] [stdout] 4 | use tracing::{debug, instrument, trace, warn, Level};
[INFO] [stdout]   |                                  ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ops::Neg`
[INFO] [stdout]  --> sunstone/src/lib.rs:8:23
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::{fmt::Debug, ops::Neg};
[INFO] [stdout]   |                       ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling howlite-syntax v0.1.0 (/opt/rustwide/workdir/howlite-syntax)
[INFO] [stdout] warning: unused import: `prop_assume`
[INFO] [stdout]  --> howlite-syntax/src/test/lexer.rs:2:32
[INFO] [stdout]   |
[INFO] [stdout] 2 | use proptest::{prop_assert_eq, prop_assume, proptest};
[INFO] [stdout]   |                                ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LexError` is never constructed
[INFO] [stdout]   --> howlite-syntax/src/parse.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub enum ParseErrorKind {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 12 |     #[error("unrecognized character(s) in input: {_0}")]
[INFO] [stdout] 13 |     LexError(SmolStr),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseErrorKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `ParseError` is never constructed
[INFO] [stdout]   --> howlite-syntax/src/parse.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ParseError {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Parser` is never constructed
[INFO] [stdout]   --> howlite-syntax/src/parse.rs:23:12
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub struct Parser<'source, 'cache> {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Parser` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> howlite-syntax/src/parse.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl<'source> Parser<'source, 'static> {
[INFO] [stdout]    | -------------------------------------- associated function in this implementation
[INFO] [stdout] 30 |     pub fn new(source: &'source str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExprPrefix`, `ExprInfix`, and `Error` are never constructed
[INFO] [stdout]    --> howlite-syntax/src/tokens.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub enum SyntaxKind {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 147 |     ExprPrefix,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 148 |     ExprInfix,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 151 |     Error,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SyntaxKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_infix_op` is never used
[INFO] [stdout]    --> howlite-syntax/src/tokens.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | impl SyntaxKind {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 178 |     pub fn as_infix_op(&self) -> Option<InfixOp> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `location` and `kind` are never read
[INFO] [stdout]   --> howlite-syntax/src/parse.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 17 | pub struct ParseError {
[INFO] [stdout]    |            ---------- fields in this struct
[INFO] [stdout] 18 |     pub location: rowan::TextRange,
[INFO] [stdout]    |         ^^^^^^^^
[INFO] [stdout] 19 |     pub kind: ParseErrorKind,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ParseError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expect_infix_operator` is never used
[INFO] [stdout]   --> howlite-syntax/src/parse.rs:92:8
[INFO] [stdout]    |
[INFO] [stdout] 39 | impl<'source, 'cache> Parser<'source, 'cache> {
[INFO] [stdout]    | --------------------------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 92 |     fn expect_infix_operator(&mut self) -> Option<(SyntaxKind, InfixOp)> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `ExprPrefix` and `ExprInfix` are never constructed
[INFO] [stdout]    --> howlite-syntax/src/tokens.rs:147:5
[INFO] [stdout]     |
[INFO] [stdout] 8   | pub enum SyntaxKind {
[INFO] [stdout]     |          ---------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 147 |     ExprPrefix,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 148 |     ExprInfix,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `SyntaxKind` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `as_infix_op` is never used
[INFO] [stdout]    --> howlite-syntax/src/tokens.rs:178:12
[INFO] [stdout]     |
[INFO] [stdout] 177 | impl SyntaxKind {
[INFO] [stdout]     | --------------- method in this implementation
[INFO] [stdout] 178 |     pub fn as_infix_op(&self) -> Option<InfixOp> {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking howlite v0.1.0 (/opt/rustwide/workdir/howlite)
[INFO] [stdout] warning: unused import: `howlite_typecheck::types::TyInt`
[INFO] [stdout]  --> howlite/src/codegen/riscv/value.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use howlite_typecheck::types::TyInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> howlite/src/langctx/scope.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashbrown::{HashMap, HashSet};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aries::utils::input::Sym`
[INFO] [stdout]  --> howlite/src/langctx/lexicalctx.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use aries::utils::input::Sym;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::symtab::Symbol`
[INFO] [stdout]  --> howlite/src/typetree/constraint_term.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::symtab::Symbol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TyArray` and `TyReference`
[INFO] [stdout]  --> howlite/src/typetree/infix.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 |     types::{StorageClass, TyInt}, AccessPath, Ty, TyArray, TyReference
[INFO] [stdout]   |                                                   ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]   --> howlite/src/typetree/infix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `typetree::ModelVarRef`
[INFO] [stdout]  --> howlite/src/typetree/stmts.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     typetree::ModelVarRef, CompilationErrorKind,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `howlite_typecheck::types::TyInt`
[INFO] [stdout]  --> howlite/src/codegen/riscv/value.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use howlite_typecheck::types::TyInt;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `HashSet`
[INFO] [stdout]  --> howlite/src/langctx/scope.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use hashbrown::{HashMap, HashSet};
[INFO] [stdout]   |                          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `aries::utils::input::Sym`
[INFO] [stdout]  --> howlite/src/langctx/lexicalctx.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use aries::utils::input::Sym;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::symtab::Symbol`
[INFO] [stdout]  --> howlite/src/typetree/constraint_term.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::symtab::Symbol;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TyArray` and `TyReference`
[INFO] [stdout]  --> howlite/src/typetree/infix.rs:8:51
[INFO] [stdout]   |
[INFO] [stdout] 8 |     types::{StorageClass, TyInt}, AccessPath, Ty, TyArray, TyReference
[INFO] [stdout]   |                                                   ^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `tracing::debug`
[INFO] [stdout]   --> howlite/src/typetree/infix.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use tracing::debug;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `typetree::ModelVarRef`
[INFO] [stdout]  --> howlite/src/typetree/stmts.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     typetree::ModelVarRef, CompilationErrorKind,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> howlite/src/typetree/infix.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let ty = ctx.child(top).synthesize_ty();
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REGISTER_WIDTH` is never used
[INFO] [stdout]  --> howlite/src/codegen/stack_state.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REGISTER_WIDTH: usize = 8;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> howlite/src/codegen/stack_state.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl StackState {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> howlite/src/langctx/lexicalctx.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 scope.narrows.try_insert(var, ty);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let _ = scope.narrows.try_insert(var, ty);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ty`
[INFO] [stdout]   --> howlite/src/typetree/infix.rs:39:21
[INFO] [stdout]    |
[INFO] [stdout] 39 |                 let ty = ctx.child(top).synthesize_ty();
[INFO] [stdout]    |                     ^^ help: if this is intentional, prefix it with an underscore: `_ty`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `REGISTER_WIDTH` is never used
[INFO] [stdout]  --> howlite/src/codegen/stack_state.rs:9:7
[INFO] [stdout]   |
[INFO] [stdout] 9 | const REGISTER_WIDTH: usize = 8;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `size` is never used
[INFO] [stdout]   --> howlite/src/codegen/stack_state.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl StackState {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn size(&self) -> usize {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> howlite/src/langctx/lexicalctx.rs:78:17
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 scope.narrows.try_insert(var, ty);
[INFO] [stdout]    |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 78 |                 let _ = scope.narrows.try_insert(var, ty);
[INFO] [stdout]    |                 +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1m 04s
[INFO] running `Command { std: "docker" "inspect" "4ea54432db705d07f182fe333d7ffb4aea362000b1d0f3c8c372b010d9020b09", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4ea54432db705d07f182fe333d7ffb4aea362000b1d0f3c8c372b010d9020b09", kill_on_drop: false }`
[INFO] [stdout] 4ea54432db705d07f182fe333d7ffb4aea362000b1d0f3c8c372b010d9020b09
