[INFO] cloning repository https://github.com/iho/phi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iho/phi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiho%2Fphi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiho%2Fphi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] defba557ad959a29ef57abc9058cba02552fa2c5
[INFO] testing iho/phi against 1.99.0-beta.1+cargoflags=--release for beta-release-1.99-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiho%2Fphi" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/iho/phi
[INFO] finished tweaking git repo https://github.com/iho/phi
[INFO] tweaked toml for git repo https://github.com/iho/phi written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/iho/phi on toolchain 1.99.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/iho/phi 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" "+1.99.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:8683fc1fc2eb5c9ac98e0d076ab094b2ffac7f99da555d2b6a2e27f346de2ec7" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03
[INFO] running `Command { std: "docker" "start" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", 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" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling object v0.37.3
[INFO] [stderr]    Compiling find-msvc-tools v0.1.9
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.24
[INFO] [stderr]    Compiling crossbeam-utils v0.8.21
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]    Compiling zerocopy v0.8.40
[INFO] [stderr]    Compiling cc v1.2.56
[INFO] [stderr]    Compiling typenum v1.19.0
[INFO] [stderr]    Compiling logos-codegen v0.15.1
[INFO] [stderr]    Compiling cfg-if v1.0.4
[INFO] [stderr]    Compiling libc v0.2.182
[INFO] [stderr]    Compiling once_cell v1.21.3
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.18
[INFO] [stderr]    Compiling beef v0.5.2
[INFO] [stderr]    Compiling regex-syntax v0.8.10
[INFO] [stderr]    Compiling lazy_static v1.5.0
[INFO] [stderr]    Compiling rayon-core v1.13.0
[INFO] [stderr]    Compiling fnv v1.0.7
[INFO] [stderr]    Compiling crossbeam-deque v0.8.6
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling bitmaps v2.1.0
[INFO] [stderr]    Compiling stacker v0.1.23
[INFO] [stderr]    Compiling aho-corasick v1.1.4
[INFO] [stderr]    Compiling im v15.1.0
[INFO] [stderr]    Compiling rand_core v0.6.4
[INFO] [stderr]    Compiling rand_xoshiro v0.6.0
[INFO] [stderr]    Compiling sized-chunks v0.6.5
[INFO] [stderr]    Compiling same-file v1.0.6
[INFO] [stderr]    Compiling either v1.15.0
[INFO] [stderr]    Compiling yansi v1.0.1
[INFO] [stderr]    Compiling unicode-width v0.1.14
[INFO] [stderr]    Compiling rayon v1.11.0
[INFO] [stderr]    Compiling ariadne v0.4.1
[INFO] [stderr]    Compiling regex-automata v0.4.14
[INFO] [stderr]    Compiling ar_archive_writer v0.5.1
[INFO] [stderr]    Compiling ahash v0.8.12
[INFO] [stderr]    Compiling walkdir v2.5.0
[INFO] [stderr]    Compiling hashbrown v0.14.5
[INFO] [stderr]    Compiling logos-derive v0.15.1
[INFO] [stderr]    Compiling logos v0.15.1
[INFO] [stderr]    Compiling psm v0.1.30
[INFO] [stderr]    Compiling chumsky v0.9.3
[INFO] [stderr]    Compiling regex v1.12.3
[INFO] [stderr]    Compiling phi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `ir::Instr::*`
[INFO] [stdout]     --> src/asm_writer.rs:1338:13
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         use ir::Instr::*;
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1596:9
[INFO] [stdout]      |
[INFO] [stdout] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stdout]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1702 |         ast::Binder::Var(n) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stdout]      |         --------------------- matches some of the same values
[INFO] [stdout] 1724 |         ast::Binder::Number(n) => {
[INFO] [stdout]      |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2912:9
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stdout]      |         ------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2913:9
[INFO] [stdout]      |
[INFO] [stdout] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stdout]      |         -------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2914:9
[INFO] [stdout]      |
[INFO] [stdout] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stdout]      |         --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 1958 |         ast::Expr::Number(n) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1963 |         ast::Expr::Char(c) => {
[INFO] [stdout]      |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1969 |         ast::Expr::String(s) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2005 |         ast::Expr::Float(f) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stdout]     --> src/asm_writer.rs:1236:69
[INFO] [stdout]      |
[INFO] [stdout] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[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] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ir::Instr::*`
[INFO] [stdout]     --> src/asm_writer.rs:1338:13
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         use ir::Instr::*;
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1596:9
[INFO] [stdout]      |
[INFO] [stdout] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stdout]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1702 |         ast::Binder::Var(n) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stdout]      |         --------------------- matches some of the same values
[INFO] [stdout] 1724 |         ast::Binder::Number(n) => {
[INFO] [stdout]      |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2912:9
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stdout]      |         ------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2913:9
[INFO] [stdout]      |
[INFO] [stdout] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stdout]      |         -------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2914:9
[INFO] [stdout]      |
[INFO] [stdout] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stdout]      |         --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 1958 |         ast::Expr::Number(n) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1963 |         ast::Expr::Char(c) => {
[INFO] [stdout]      |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1969 |         ast::Expr::String(s) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2005 |         ast::Expr::Float(f) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_capture` is never used
[INFO] [stdout]    --> src/main.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | fn regex_capture(pattern: &[u8], content: &str) -> Option<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args` and `members` are never read
[INFO] [stdout]   --> src/env.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ClassInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     pub args: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub members: Vec<crate::ast::Decl>, // TypeSignature decls
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClassInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dict_name`, `members`, `constraints`, and `module` are never read
[INFO] [stdout]   --> src/env.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct InstanceInfo {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 16 |     pub types: Vec<crate::type_sys::MonoType>,
[INFO] [stdout] 17 |     pub dict_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     pub members: Vec<crate::ast::Decl>, // Value decls
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 19 |     pub constraints: Vec<crate::type_sys::MonoType>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 20 |     pub module: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InstanceInfo` 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: associated constant `TOTAL` is never used
[INFO] [stdout]   --> src/ir.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PReg {
[INFO] [stdout]    | --------- associated constant in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub const TOTAL: u8 = 16;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> src/ir.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Cond {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn invert(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Load`, `BranchEq`, and `BranchTrue` are never constructed
[INFO] [stdout]    --> src/ir.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout]  92 | pub enum Instr {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 121 |     Load(VReg, VReg, i32),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     BranchEq(VReg, i64, Label),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     BranchTrue(VReg, Label),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `arity` are never read
[INFO] [stdout]    --> src/ir.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct IrFun {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 154 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 155 |     pub arity: u32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IrFun` 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: struct `IrModule` is never constructed
[INFO] [stdout]    --> src/ir.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct IrModule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_expired_before` and `starts_at_or_before` are never used
[INFO] [stdout]    --> src/ir.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Interval {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 184 |     pub fn is_expired_before(&self, pos: u32) -> bool { self.end <= pos }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 185 |     pub fn starts_at_or_before(&self, pos: u32) -> bool { self.start <= pos }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_reg` and `reg` are never used
[INFO] [stdout]   --> src/regalloc.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Location {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 30 |     pub fn is_reg(self) -> bool { matches!(self, Location::Reg(_)) }
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 31 |     pub fn reg(self) -> Option<PReg> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spill_offset` is never used
[INFO] [stdout]    --> src/regalloc.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn spill_offset(slot: u32, spill_base: u32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stdout]     --> src/asm_writer.rs:1236:69
[INFO] [stdout]      |
[INFO] [stdout] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[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] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 3m 23s
[INFO] running `Command { std: "docker" "inspect" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `ir::Instr::*`
[INFO] [stdout]     --> src/asm_writer.rs:1338:13
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         use ir::Instr::*;
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1596:9
[INFO] [stdout]      |
[INFO] [stdout] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stdout]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1702 |         ast::Binder::Var(n) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stdout]      |         --------------------- matches some of the same values
[INFO] [stdout] 1724 |         ast::Binder::Number(n) => {
[INFO] [stdout]      |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2912:9
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stdout]      |         ------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2913:9
[INFO] [stdout]      |
[INFO] [stdout] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stdout]      |         -------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2914:9
[INFO] [stdout]      |
[INFO] [stdout] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stdout]      |         --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 1958 |         ast::Expr::Number(n) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1963 |         ast::Expr::Char(c) => {
[INFO] [stdout]      |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1969 |         ast::Expr::String(s) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2005 |         ast::Expr::Float(f) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stdout]     --> src/asm_writer.rs:1236:69
[INFO] [stdout]      |
[INFO] [stdout] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[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] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ir::Instr::*`
[INFO] [stdout]     --> src/asm_writer.rs:1338:13
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         use ir::Instr::*;
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling phi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1596:9
[INFO] [stdout]      |
[INFO] [stdout] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stdout]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1702 |         ast::Binder::Var(n) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stdout]      |         --------------------- matches some of the same values
[INFO] [stdout] 1724 |         ast::Binder::Number(n) => {
[INFO] [stdout]      |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2912:9
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stdout]      |         ------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2913:9
[INFO] [stdout]      |
[INFO] [stdout] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stdout]      |         -------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2914:9
[INFO] [stdout]      |
[INFO] [stdout] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stdout]      |         --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 1958 |         ast::Expr::Number(n) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1963 |         ast::Expr::Char(c) => {
[INFO] [stdout]      |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1969 |         ast::Expr::String(s) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2005 |         ast::Expr::Float(f) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_capture` is never used
[INFO] [stdout]    --> src/main.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | fn regex_capture(pattern: &[u8], content: &str) -> Option<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args` and `members` are never read
[INFO] [stdout]   --> src/env.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ClassInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     pub args: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub members: Vec<crate::ast::Decl>, // TypeSignature decls
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClassInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dict_name`, `members`, `constraints`, and `module` are never read
[INFO] [stdout]   --> src/env.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct InstanceInfo {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 16 |     pub types: Vec<crate::type_sys::MonoType>,
[INFO] [stdout] 17 |     pub dict_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     pub members: Vec<crate::ast::Decl>, // Value decls
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 19 |     pub constraints: Vec<crate::type_sys::MonoType>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 20 |     pub module: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InstanceInfo` 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: associated constant `TOTAL` is never used
[INFO] [stdout]   --> src/ir.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PReg {
[INFO] [stdout]    | --------- associated constant in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub const TOTAL: u8 = 16;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> src/ir.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Cond {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn invert(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Load`, `BranchEq`, and `BranchTrue` are never constructed
[INFO] [stdout]    --> src/ir.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout]  92 | pub enum Instr {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 121 |     Load(VReg, VReg, i32),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     BranchEq(VReg, i64, Label),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     BranchTrue(VReg, Label),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `arity` are never read
[INFO] [stdout]    --> src/ir.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct IrFun {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 154 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 155 |     pub arity: u32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IrFun` 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: struct `IrModule` is never constructed
[INFO] [stdout]    --> src/ir.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct IrModule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_expired_before` and `starts_at_or_before` are never used
[INFO] [stdout]    --> src/ir.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Interval {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 184 |     pub fn is_expired_before(&self, pos: u32) -> bool { self.end <= pos }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 185 |     pub fn starts_at_or_before(&self, pos: u32) -> bool { self.start <= pos }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_reg` and `reg` are never used
[INFO] [stdout]   --> src/regalloc.rs:30:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Location {
[INFO] [stdout]    | ------------- methods in this implementation
[INFO] [stdout] 30 |     pub fn is_reg(self) -> bool { matches!(self, Location::Reg(_)) }
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 31 |     pub fn reg(self) -> Option<PReg> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spill_offset` is never used
[INFO] [stdout]    --> src/regalloc.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn spill_offset(slot: u32, spill_base: u32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stdout]     --> src/asm_writer.rs:1236:69
[INFO] [stdout]      |
[INFO] [stdout] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[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] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> tests/beam_tests.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `TAG_U` is never used
[INFO] [stdout]  --> tests/beam_tests.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | const TAG_U: u8 = 0;
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ir::Instr::*`
[INFO] [stdout]     --> src/asm_writer.rs:1338:13
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         use ir::Instr::*;
[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: `ir::Instr::*`
[INFO] [stdout]     --> src/asm_writer.rs:1338:13
[INFO] [stdout]      |
[INFO] [stdout] 1338 |         use ir::Instr::*;
[INFO] [stdout]      |             ^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1596:9
[INFO] [stdout]      |
[INFO] [stdout] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stdout]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1702 |         ast::Binder::Var(n) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stdout]      |         --------------------- matches some of the same values
[INFO] [stdout] 1724 |         ast::Binder::Number(n) => {
[INFO] [stdout]      |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2912:9
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stdout]      |         ------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2913:9
[INFO] [stdout]      |
[INFO] [stdout] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stdout]      |         -------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2914:9
[INFO] [stdout]      |
[INFO] [stdout] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stdout]      |         --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 1958 |         ast::Expr::Number(n) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1963 |         ast::Expr::Char(c) => {
[INFO] [stdout]      |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1969 |         ast::Expr::String(s) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2005 |         ast::Expr::Float(f) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stdout]     --> src/asm_writer.rs:1236:69
[INFO] [stdout]      |
[INFO] [stdout] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[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] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1596:9
[INFO] [stdout]      |
[INFO] [stdout] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stdout]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stdout]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:1882:9
[INFO] [stdout]      |
[INFO] [stdout] 1702 |         ast::Binder::Var(n) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stdout]      |         --------------------- matches some of the same values
[INFO] [stdout] 1724 |         ast::Binder::Number(n) => {
[INFO] [stdout]      |         ---------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stdout]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2912:9
[INFO] [stdout]      |
[INFO] [stdout] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stdout]      |         ------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2913:9
[INFO] [stdout]      |
[INFO] [stdout] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stdout]      |         -------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2914:9
[INFO] [stdout]      |
[INFO] [stdout] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stdout]      |         --------------------------------------- matches all the relevant values
[INFO] [stdout] ...
[INFO] [stdout] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stdout]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ no value can reach this
[INFO] [stdout]      |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]     --> src/beam_writer.rs:2916:9
[INFO] [stdout]      |
[INFO] [stdout] 1958 |         ast::Expr::Number(n) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1963 |         ast::Expr::Char(c) => {
[INFO] [stdout]      |         ------------------ matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 1969 |         ast::Expr::String(s) => {
[INFO] [stdout]      |         -------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2005 |         ast::Expr::Float(f) => {
[INFO] [stdout]      |         ------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 2916 |         _ => {
[INFO] [stdout]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `regex_capture` is never used
[INFO] [stdout]    --> src/main.rs:789:4
[INFO] [stdout]     |
[INFO] [stdout] 789 | fn regex_capture(pattern: &[u8], content: &str) -> Option<String> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `args` and `members` are never read
[INFO] [stdout]   --> src/env.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct ClassInfo {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 10 |     pub args: Vec<String>,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] 11 |     pub members: Vec<crate::ast::Decl>, // TypeSignature decls
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ClassInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dict_name`, `members`, `constraints`, and `module` are never read
[INFO] [stdout]   --> src/env.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct InstanceInfo {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 16 |     pub types: Vec<crate::type_sys::MonoType>,
[INFO] [stdout] 17 |     pub dict_name: String,
[INFO] [stdout]    |         ^^^^^^^^^
[INFO] [stdout] 18 |     pub members: Vec<crate::ast::Decl>, // Value decls
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 19 |     pub constraints: Vec<crate::type_sys::MonoType>,
[INFO] [stdout]    |         ^^^^^^^^^^^
[INFO] [stdout] 20 |     pub module: String,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InstanceInfo` 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: associated constant `TOTAL` is never used
[INFO] [stdout]   --> src/ir.rs:45:15
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl PReg {
[INFO] [stdout]    | --------- associated constant in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub const TOTAL: u8 = 16;
[INFO] [stdout]    |               ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `invert` is never used
[INFO] [stdout]   --> src/ir.rs:76:12
[INFO] [stdout]    |
[INFO] [stdout] 68 | impl Cond {
[INFO] [stdout]    | --------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 76 |     pub fn invert(self) -> Self {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Load`, `BranchEq`, and `BranchTrue` are never constructed
[INFO] [stdout]    --> src/ir.rs:121:5
[INFO] [stdout]     |
[INFO] [stdout]  92 | pub enum Instr {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 121 |     Load(VReg, VReg, i32),
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 137 |     BranchEq(VReg, i64, Label),
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 141 |     BranchTrue(VReg, Label),
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `arity` are never read
[INFO] [stdout]    --> src/ir.rs:154:9
[INFO] [stdout]     |
[INFO] [stdout] 153 | pub struct IrFun {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 154 |     pub name: String,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout] 155 |     pub arity: u32,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `IrFun` 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: struct `IrModule` is never constructed
[INFO] [stdout]    --> src/ir.rs:164:12
[INFO] [stdout]     |
[INFO] [stdout] 164 | pub struct IrModule {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_expired_before` and `starts_at_or_before` are never used
[INFO] [stdout]    --> src/ir.rs:184:12
[INFO] [stdout]     |
[INFO] [stdout] 183 | impl Interval {
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] 184 |     pub fn is_expired_before(&self, pos: u32) -> bool { self.end <= pos }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 185 |     pub fn starts_at_or_before(&self, pos: u32) -> bool { self.start <= pos }
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `reg` is never used
[INFO] [stdout]   --> src/regalloc.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl Location {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 30 |     pub fn is_reg(self) -> bool { matches!(self, Location::Reg(_)) }
[INFO] [stdout] 31 |     pub fn reg(self) -> Option<PReg> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `spill_offset` is never used
[INFO] [stdout]    --> src/regalloc.rs:171:8
[INFO] [stdout]     |
[INFO] [stdout] 171 | pub fn spill_offset(slot: u32, spill_base: u32) -> i32 {
[INFO] [stdout]     |        ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stdout]     --> src/asm_writer.rs:1236:69
[INFO] [stdout]      |
[INFO] [stdout] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[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] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stdout]      |                                                                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 12.11s
[INFO] running `Command { std: "docker" "inspect" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", 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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03" "/opt/rustwide/cargo-home/bin/cargo" "+1.99.0-beta.1" "test" "--frozen" "--release", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `ir::Instr::*`
[INFO] [stderr]     --> src/asm_writer.rs:1338:13
[INFO] [stderr]      |
[INFO] [stderr] 1338 |         use ir::Instr::*;
[INFO] [stderr]      |             ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/beam_writer.rs:1596:9
[INFO] [stderr]      |
[INFO] [stderr] 1477 | ...   ast::Expr::Number(_) | ast::Expr::Float(_) | ast::Expr::String(_) | ast::Expr::Char(_) | ast::Expr::Atom(_) | ast::Expr::Unit => {}
[INFO] [stderr]      |       ----------------------------------------------------------------------------------------------------------------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 1596 | ...   ast::Expr::Unit => {}
[INFO] [stderr]      |       ^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/beam_writer.rs:1882:9
[INFO] [stderr]      |
[INFO] [stderr] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stderr]      |         ^ no value can reach this
[INFO] [stderr]      |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]     --> src/beam_writer.rs:1882:9
[INFO] [stderr]      |
[INFO] [stderr] 1702 |         ast::Binder::Var(n) => {
[INFO] [stderr]      |         ------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 1723 |         ast::Binder::Wildcard => Ok(()),
[INFO] [stderr]      |         --------------------- matches some of the same values
[INFO] [stderr] 1724 |         ast::Binder::Number(n) => {
[INFO] [stderr]      |         ---------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 1728 |         ast::Binder::Atom(a) => {
[INFO] [stderr]      |         -------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 1882 |         _ => Err(BeamGenError::Unsupported("binder")),
[INFO] [stderr]      |         ^ ...and 8 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/beam_writer.rs:2912:9
[INFO] [stderr]      |
[INFO] [stderr] 2692 |         ast::Expr::Record(fields) => {
[INFO] [stderr]      |         ------------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 2912 |         ast::Expr::Record(_) => Err(BeamGenError::Internal("record_unreachable")),
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/beam_writer.rs:2913:9
[INFO] [stderr]      |
[INFO] [stderr] 2739 |         ast::Expr::RecordUpdate(base, updates) => {
[INFO] [stderr]      |         -------------------------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 2913 |         ast::Expr::RecordUpdate(_, _) => Err(BeamGenError::Internal("record_update_unreachable")),
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/beam_writer.rs:2914:9
[INFO] [stderr]      |
[INFO] [stderr] 2722 |         ast::Expr::FieldAccess(rec_expr, field) => {
[INFO] [stderr]      |         --------------------------------------- matches all the relevant values
[INFO] [stderr] ...
[INFO] [stderr] 2914 |         ast::Expr::FieldAccess(_, _) => Err(BeamGenError::Internal("field_access_unreachable")),
[INFO] [stderr]      |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ no value can reach this
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]     --> src/beam_writer.rs:2916:9
[INFO] [stderr]      |
[INFO] [stderr] 2916 |         _ => {
[INFO] [stderr]      |         ^ no value can reach this
[INFO] [stderr]      |
[INFO] [stderr] note: multiple earlier patterns match some of the same values
[INFO] [stderr]     --> src/beam_writer.rs:2916:9
[INFO] [stderr]      |
[INFO] [stderr] 1958 |         ast::Expr::Number(n) => {
[INFO] [stderr]      |         -------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 1963 |         ast::Expr::Char(c) => {
[INFO] [stderr]      |         ------------------ matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 1969 |         ast::Expr::String(s) => {
[INFO] [stderr]      |         -------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 2005 |         ast::Expr::Float(f) => {
[INFO] [stderr]      |         ------------------- matches some of the same values
[INFO] [stderr] ...
[INFO] [stderr] 2916 |         _ => {
[INFO] [stderr]      |         ^ ...and 22 other patterns collectively make this unreachable
[INFO] [stderr] 
[INFO] [stderr] warning: unused return value of `Option::<T>::is_none` that must be used
[INFO] [stderr]     --> src/asm_writer.rs:1236:69
[INFO] [stderr]      |
[INFO] [stderr] 1236 | ...   Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stderr]      |                                                               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: if you intended to assert that this doesn't have a value, consider wrapping this in an `assert!()` instead
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]      |
[INFO] [stderr] 1236 |             Some(ir::Instr::Ret(_)) => { let _ = self.instrs.pop(); let _ = self.instrs.pop().map(|_| ()).is_none(); self.instrs.last().cloned() }
[INFO] [stderr]      |                                                                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `phi` (lib) generated 8 warnings (run `cargo fix --lib -p phi` to apply 1 suggestion)
[INFO] [stderr] warning: `phi` (lib test) generated 8 warnings (8 duplicates)
[INFO] [stderr] warning: function `regex_capture` is never used
[INFO] [stderr]    --> src/main.rs:789:4
[INFO] [stderr]     |
[INFO] [stderr] 789 | fn regex_capture(pattern: &[u8], content: &str) -> Option<String> {
[INFO] [stderr]     |    ^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: fields `args` and `members` are never read
[INFO] [stderr]   --> src/env.rs:10:9
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub struct ClassInfo {
[INFO] [stderr]    |            --------- fields in this struct
[INFO] [stderr] 10 |     pub args: Vec<String>,
[INFO] [stderr]    |         ^^^^
[INFO] [stderr] 11 |     pub members: Vec<crate::ast::Decl>, // TypeSignature decls
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ClassInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `dict_name`, `members`, `constraints`, and `module` are never read
[INFO] [stderr]   --> src/env.rs:17:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct InstanceInfo {
[INFO] [stderr]    |            ------------ fields in this struct
[INFO] [stderr] 16 |     pub types: Vec<crate::type_sys::MonoType>,
[INFO] [stderr] 17 |     pub dict_name: String,
[INFO] [stderr]    |         ^^^^^^^^^
[INFO] [stderr] 18 |     pub members: Vec<crate::ast::Decl>, // Value decls
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 19 |     pub constraints: Vec<crate::type_sys::MonoType>,
[INFO] [stderr]    |         ^^^^^^^^^^^
[INFO] [stderr] 20 |     pub module: String,
[INFO] [stderr]    |         ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InstanceInfo` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: associated constant `TOTAL` is never used
[INFO] [stderr]   --> src/ir.rs:45:15
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl PReg {
[INFO] [stderr]    | --------- associated constant in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 45 |     pub const TOTAL: u8 = 16;
[INFO] [stderr]    |               ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `invert` is never used
[INFO] [stderr]   --> src/ir.rs:76:12
[INFO] [stderr]    |
[INFO] [stderr] 68 | impl Cond {
[INFO] [stderr]    | --------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 76 |     pub fn invert(self) -> Self {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variants `Load`, `BranchEq`, and `BranchTrue` are never constructed
[INFO] [stderr]    --> src/ir.rs:121:5
[INFO] [stderr]     |
[INFO] [stderr]  92 | pub enum Instr {
[INFO] [stderr]     |          ----- variants in this enum
[INFO] [stderr] ...
[INFO] [stderr] 121 |     Load(VReg, VReg, i32),
[INFO] [stderr]     |     ^^^^
[INFO] [stderr] ...
[INFO] [stderr] 137 |     BranchEq(VReg, i64, Label),
[INFO] [stderr]     |     ^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 141 |     BranchTrue(VReg, Label),
[INFO] [stderr]     |     ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `Instr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: fields `name` and `arity` are never read
[INFO] [stderr]    --> src/ir.rs:154:9
[INFO] [stderr]     |
[INFO] [stderr] 153 | pub struct IrFun {
[INFO] [stderr]     |            ----- fields in this struct
[INFO] [stderr] 154 |     pub name: String,
[INFO] [stderr]     |         ^^^^
[INFO] [stderr] 155 |     pub arity: u32,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `IrFun` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: struct `IrModule` is never constructed
[INFO] [stderr]    --> src/ir.rs:164:12
[INFO] [stderr]     |
[INFO] [stderr] 164 | pub struct IrModule {
[INFO] [stderr]     |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_expired_before` and `starts_at_or_before` are never used
[INFO] [stderr]    --> src/ir.rs:184:12
[INFO] [stderr]     |
[INFO] [stderr] 183 | impl Interval {
[INFO] [stderr]     | ------------- methods in this implementation
[INFO] [stderr] 184 |     pub fn is_expired_before(&self, pos: u32) -> bool { self.end <= pos }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 185 |     pub fn starts_at_or_before(&self, pos: u32) -> bool { self.start <= pos }
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `reg` is never used
[INFO] [stderr]   --> src/regalloc.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl Location {
[INFO] [stderr]    | ------------- method in this implementation
[INFO] [stderr] 30 |     pub fn is_reg(self) -> bool { matches!(self, Location::Reg(_)) }
[INFO] [stderr] 31 |     pub fn reg(self) -> Option<PReg> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `spill_offset` is never used
[INFO] [stderr]    --> src/regalloc.rs:171:8
[INFO] [stderr]     |
[INFO] [stderr] 171 | pub fn spill_offset(slot: u32, spill_base: u32) -> i32 {
[INFO] [stderr]     |        ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> tests/beam_tests.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: constant `TAG_U` is never used
[INFO] [stderr]  --> tests/beam_tests.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 7 | const TAG_U: u8 = 0;
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: methods `is_reg` and `reg` are never used
[INFO] [stderr]   --> src/regalloc.rs:30:12
[INFO] [stderr]    |
[INFO] [stderr] 29 | impl Location {
[INFO] [stderr]    | ------------- methods in this implementation
[INFO] [stderr] 30 |     pub fn is_reg(self) -> bool { matches!(self, Location::Reg(_)) }
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 31 |     pub fn reg(self) -> Option<PReg> {
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `phi` (bin "phi" test) generated 19 warnings (8 duplicates)
[INFO] [stderr] warning: `phi` (test "beam_tests") generated 2 warnings (run `cargo fix --test "beam_tests" -p phi` to apply 1 suggestion)
[INFO] [stderr] warning: `phi` (bin "phi") generated 19 warnings (18 duplicates)
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 0.10s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/release/deps/phi-51fac9a8ae0f11a6)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test regalloc::tests::test_no_spill_within_capacity ... ok
[INFO] [stdout] test regalloc::tests::test_expire_frees_registers ... ok
[INFO] [stdout] test regalloc::tests::test_all_unique_physical_regs_when_no_spill ... ok
[INFO] [stdout] test regalloc::tests::test_reserved_params_not_reallocated ... ok
[INFO] [stdout] test regalloc::tests::test_spill_latest_end_heuristic ... ok
[INFO] [stdout] test regalloc::tests::test_spill_when_pressure_exceeds_regs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/release/deps/phi-336c0c728e1ca74c)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stderr]      Running tests/asm_tests.rs (/opt/rustwide/target/release/deps/asm_tests-be3f248fb968f4f0)
[INFO] [stdout] test regalloc::tests::test_all_unique_physical_regs_when_no_spill ... ok
[INFO] [stdout] test regalloc::tests::test_no_spill_within_capacity ... ok
[INFO] [stdout] test regalloc::tests::test_expire_frees_registers ... ok
[INFO] [stdout] test regalloc::tests::test_reserved_params_not_reallocated ... ok
[INFO] [stdout] test regalloc::tests::test_spill_latest_end_heuristic ... ok
[INFO] [stdout] test regalloc::tests::test_spill_when_pressure_exceeds_regs ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 14 tests
[INFO] [stdout] test test_integer_constant_tagged ... ok
[INFO] [stdout] test test_empty_list ... ok
[INFO] [stdout] test test_frame_size_consistent ... ok
[INFO] [stdout] test test_cons_list ... ok
[INFO] [stdout] test test_comparison_op ... ok
[INFO] [stdout] test test_if_then_else ... ok
[INFO] [stdout] test test_add_two_args ... ok
[INFO] [stdout] test test_let_binding ... ok
[INFO] [stdout] test test_empty_module_emits_text_section ... ok
[INFO] [stdout] test test_runtime_assembles ... ok
[INFO] [stdout] test test_single_arg_function ... ok
[INFO] [stdout] test test_string_literal ... ok
[INFO] [stdout] test test_zero_arg_function_structure ... ok
[INFO] [stdout] test test_tuple_allocation ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 14 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running tests/beam_tests.rs (/opt/rustwide/target/release/deps/beam_tests-59e3ef02207b423d)
[INFO] [stdout] 
[INFO] [stdout] running 6 tests
[INFO] [stdout] test test_atom_interning ... ok
[INFO] [stdout] test test_funt_chunk_generation ... ok
[INFO] [stdout] test test_heap_before_put_tuple2 ... ok
[INFO] [stdout] test test_heap_before_put_list ... ok
[INFO] [stdout] test test_make_fun3_emission ... ok
[INFO] [stdout] test test_nil_encoding_is_move_tag_a_zero ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests phi
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03", kill_on_drop: false }`
[INFO] [stdout] 1bfe2d67802aa68e8b01efaeec62be4edccb3912465189c9ec86263508eaea03
