[INFO] cloning repository https://github.com/emliunix/wasmly
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/emliunix/wasmly" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femliunix%2Fwasmly", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femliunix%2Fwasmly'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 5567c95e5abb79f2439163e161e03c8580e01b0b
[INFO] checking emliunix/wasmly against try#5fee451ebd94296ea05214e819c311e164b30af6 for pr-139042
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Femliunix%2Fwasmly" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/emliunix/wasmly on toolchain 5fee451ebd94296ea05214e819c311e164b30af6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/emliunix/wasmly
[INFO] finished tweaking git repo https://github.com/emliunix/wasmly
[INFO] tweaked toml for git repo https://github.com/emliunix/wasmly written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/emliunix/wasmly 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" "+5fee451ebd94296ea05214e819c311e164b30af6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_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" "+5fee451ebd94296ea05214e819c311e164b30af6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 17bcffd2486c7134c96c05c7e67958ef4de52a8568d552f05f1d3de12d28ec52
[INFO] running `Command { std: "docker" "start" "-a" "17bcffd2486c7134c96c05c7e67958ef4de52a8568d552f05f1d3de12d28ec52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17bcffd2486c7134c96c05c7e67958ef4de52a8568d552f05f1d3de12d28ec52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17bcffd2486c7134c96c05c7e67958ef4de52a8568d552f05f1d3de12d28ec52", kill_on_drop: false }`
[INFO] [stdout] 17bcffd2486c7134c96c05c7e67958ef4de52a8568d552f05f1d3de12d28ec52
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=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" "+5fee451ebd94296ea05214e819c311e164b30af6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 679cd0ea7aceee88724ac3a71c89d476033ad54e108c906e53150d892fde1a1b
[INFO] running `Command { std: "docker" "start" "-a" "679cd0ea7aceee88724ac3a71c89d476033ad54e108c906e53150d892fde1a1b", kill_on_drop: false }`
[INFO] [stderr]     Checking wasmly v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cont.rs:175:27
[INFO] [stdout]     |
[INFO] [stdout] 175 |         AdminInstr::Label(i, vs, es, k) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]    --> src/cont.rs:175:27
[INFO] [stdout]     |
[INFO] [stdout] 175 |         AdminInstr::Label(i, vs, es, k) => {
[INFO] [stdout]     |                           ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lbl`
[INFO] [stdout]    --> src/main.rs:287:37
[INFO] [stdout]     |
[INFO] [stdout] 287 |             if let StackItem::Label(lbl) = &self.stack[i] {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Label` is never used
[INFO] [stdout]  --> src/main.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum Label {
[INFO] [stdout]   |      ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `num_rets` is never used
[INFO] [stdout]   --> src/main.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl Label {
[INFO] [stdout]    | ---------- method in this implementation
[INFO] [stdout] 12 |     fn num_rets(&self) -> usize {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StackItem` is never used
[INFO] [stdout]   --> src/main.rs:20:6
[INFO] [stdout]    |
[INFO] [stdout] 20 | enum StackItem {
[INFO] [stdout]    |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_instrs` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn nested_instrs(instr: &Instr) -> &Vec<Instr> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `block_instrs` is never used
[INFO] [stdout]   --> src/main.rs:66:4
[INFO] [stdout]    |
[INFO] [stdout] 66 | fn block_instrs(instr: &Instr) -> &Vec<Instr> {
[INFO] [stdout]    |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_func_rets` is never used
[INFO] [stdout]   --> src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn n_func_rets(ty: &Ty) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Level` is never constructed
[INFO] [stdout]   --> src/main.rs:81:8
[INFO] [stdout]    |
[INFO] [stdout] 81 | struct Level<'a> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new` and `instr` are never used
[INFO] [stdout]   --> src/main.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 87 | impl<'a> Level<'a> {
[INFO] [stdout]    | ------------------ associated items in this implementation
[INFO] [stdout] 88 |     fn new(instrs: &'a Vec<Instr>) -> Self {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |     fn instr(&self) -> &'a Instr {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `InstrCursor` is never used
[INFO] [stdout]    --> src/main.rs:101:7
[INFO] [stdout]     |
[INFO] [stdout] 101 | trait InstrCursor<'a> {
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `VM` is never constructed
[INFO] [stdout]    --> src/main.rs:150:8
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct VM {
[INFO] [stdout]     |        ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]    --> src/main.rs:159:8
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl VM {
[INFO] [stdout]     | ------- associated items in this implementation
[INFO] [stdout] 159 |     fn new() -> VM {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 168 |     fn run(&mut self, instrs: &Vec<Instr>) {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 179 |     fn step<'a>(&mut self, instr: &'a Instr, cursor: &mut Vec<Level<'a>>) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 252 |     fn result(&self) -> Option<Val> {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 261 |     fn push(&mut self, item: StackItem) {
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 266 |     fn pop(&mut self) -> StackItem {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] ...
[INFO] [stdout] 271 |         i32, push_i32, I32,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 272 |         i64, push_i64, I64,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 273 |         f32, push_f32, F32,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 274 |         f64, push_f64, F64,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 278 |         i32, pop_i32, I32,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 279 |         i64, pop_i64, I64,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 280 |         f32, pop_f32, F32,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 281 |         f64, pop_f64, F64,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 284 |     fn pop_label(&mut self, mut n_labels: usize) -> (Label, Vec<Val>) {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_stack_push` which comes from the expansion of the macro `impl_stack_pop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `AdminInstr` is never used
[INFO] [stdout]  --> src/cont.rs:6:6
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum AdminInstr<T: Clone> {
[INFO] [stdout]   |      ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Config` is never constructed
[INFO] [stdout]   --> src/cont.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | struct Config<I: Clone> (AdminInstr<I>, Vec<Val>);
[INFO] [stdout]    |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `val_i32` is never used
[INFO] [stdout]   --> src/cont.rs:29:11
[INFO] [stdout]    |
[INFO] [stdout] 29 | impl_val!(val_i32, I32, i32);
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_val` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `val_f32` is never used
[INFO] [stdout]   --> src/cont.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl_val!(val_f32, F32, f32);
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_val` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Instance` is never constructed
[INFO] [stdout]   --> src/cont.rs:32:12
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Instance {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `run`, and `step` are never used
[INFO] [stdout]   --> src/cont.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 37 | impl Instance {
[INFO] [stdout]    | ------------- associated items in this implementation
[INFO] [stdout] 38 |     pub fn new() -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 45 |     pub fn run(&mut self, instrs: &Vec<Instr>) -> Vec<Val> {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 57 |     fn step<'a>(&mut self, config: Config<&'a [Instr]>) -> Config<&'a [Instr]> {
[INFO] [stdout]    |        ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indent` is never used
[INFO] [stdout]    --> src/cont.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn indent(mut i: usize) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_cont` is never used
[INFO] [stdout]    --> src/cont.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn print_cont<T: Clone + fmt::Debug>(k: &AdminInstr<T>, n: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_config` is never used
[INFO] [stdout]    --> src/cont.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn print_config<T: Clone + fmt::Debug>(config: &Config<T>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `I32`, `I64`, `F32`, `F64`, and `Func` are never constructed
[INFO] [stdout]   --> src/types.rs:6:5
[INFO] [stdout]    |
[INFO] [stdout] 5  | pub enum Ty {
[INFO] [stdout]    |          -- variants in this enum
[INFO] [stdout] 6  |     I32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 7  |     I64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 8  |     F32,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 9  |     F64,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 10 |     Func(Vec<Ty>, Vec<Ty>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Ty` 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 `func_tys` is never used
[INFO] [stdout]   --> src/types.rs:14:12
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl Ty {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] 14 |     pub fn func_tys(&self) -> (&[Ty], &[Ty]) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Empty`, `Index`, and `ValTy` are never constructed
[INFO] [stdout]   --> src/types.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum BlockType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] 24 |     Empty,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 25 |     Index(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 26 |     ValTy(Ty),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockType` 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: multiple variants are never constructed
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Instr {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 31 |     Unreachable,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 32 |     I32Const(i32),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 33 |     I32Add,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 34 |     I32Eq,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 35 |     LocalTee(usize),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 36 |     LocalGet(usize),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 37 |     LocalSet(usize),
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 38 |     Br(usize),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 39 |     If(BlockType, Vec<Instr>, Vec<Instr>),
[INFO] [stdout]    |     ^^
[INFO] [stdout] 40 |     Loop(BlockType, Vec<Instr>),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 41 |     Block(BlockType, Vec<Instr>),
[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: variants `I32`, `I64`, `F32`, `F64`, and `NULL` are never constructed
[INFO] [stdout]   --> src/types.rs:46:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Val {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 46 |     I32(i32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 47 |     I64(i64),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     F32(f32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 49 |     F64(f64),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 50 |     NULL(Ty),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Val` 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: function `block_type` is never used
[INFO] [stdout]   --> src/types.rs:53:8
[INFO] [stdout]    |
[INFO] [stdout] 53 | pub fn block_type<I: Index<usize, Output=Ty>>(ind_tys: &I, ty: &BlockType) -> Ty {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lbl`
[INFO] [stdout]    --> src/main.rs:287:37
[INFO] [stdout]     |
[INFO] [stdout] 287 |             if let StackItem::Label(lbl) = &self.stack[i] {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_lbl`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `nested_instrs` is never used
[INFO] [stdout]   --> src/main.rs:25:4
[INFO] [stdout]    |
[INFO] [stdout] 25 | fn nested_instrs(instr: &Instr) -> &Vec<Instr> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `n_func_rets` is never used
[INFO] [stdout]   --> src/main.rs:74:4
[INFO] [stdout]    |
[INFO] [stdout] 74 | fn n_func_rets(ty: &Ty) -> usize {
[INFO] [stdout]    |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `halt` is never read
[INFO] [stdout]    --> src/main.rs:152:5
[INFO] [stdout]     |
[INFO] [stdout] 150 | struct VM {
[INFO] [stdout]     |        -- field in this struct
[INFO] [stdout] 151 |     stack: Vec<StackItem>,
[INFO] [stdout] 152 |     halt: bool,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `push_i64`, `push_f32`, `push_f64`, `pop_i64`, `pop_f32`, and `pop_f64` are never used
[INFO] [stdout]    --> src/main.rs:272:14
[INFO] [stdout]     |
[INFO] [stdout] 158 | impl VM {
[INFO] [stdout]     | ------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 272 |         i64, push_i64, I64,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 273 |         f32, push_f32, F32,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] 274 |         f64, push_f64, F64,
[INFO] [stdout]     |              ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 279 |         i64, pop_i64, I64,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 280 |         f32, pop_f32, F32,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout] 281 |         f64, pop_f64, F64,
[INFO] [stdout]     |              ^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this warning originates in the macro `impl_stack_push` which comes from the expansion of the macro `impl_stack_pop` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `val_f32` is never used
[INFO] [stdout]   --> src/cont.rs:30:11
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl_val!(val_f32, F32, f32);
[INFO] [stdout]    |           ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this warning originates in the macro `impl_val` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `indent` is never used
[INFO] [stdout]    --> src/cont.rs:160:4
[INFO] [stdout]     |
[INFO] [stdout] 160 | fn indent(mut i: usize) {
[INFO] [stdout]     |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_cont` is never used
[INFO] [stdout]    --> src/cont.rs:167:4
[INFO] [stdout]     |
[INFO] [stdout] 167 | fn print_cont<T: Clone + fmt::Debug>(k: &AdminInstr<T>, n: usize) {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `print_config` is never used
[INFO] [stdout]    --> src/cont.rs:189:4
[INFO] [stdout]     |
[INFO] [stdout] 189 | fn print_config<T: Clone + fmt::Debug>(config: &Config<T>) {
[INFO] [stdout]     |    ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `I64`, `F32`, and `F64` are never constructed
[INFO] [stdout]  --> src/types.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub enum Ty {
[INFO] [stdout]   |          -- variants in this enum
[INFO] [stdout] 6 |     I32,
[INFO] [stdout] 7 |     I64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 8 |     F32,
[INFO] [stdout]   |     ^^^
[INFO] [stdout] 9 |     F64,
[INFO] [stdout]   |     ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Ty` 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: variant `Index` is never constructed
[INFO] [stdout]   --> src/types.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 23 | pub enum BlockType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] 24 |     Empty,
[INFO] [stdout] 25 |     Index(usize),
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BlockType` 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: variants `Unreachable` and `LocalSet` are never constructed
[INFO] [stdout]   --> src/types.rs:31:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | pub enum Instr {
[INFO] [stdout]    |          ----- variants in this enum
[INFO] [stdout] 31 |     Unreachable,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 37 |     LocalSet(usize),
[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: variants `I64`, `F32`, `F64`, and `NULL` are never constructed
[INFO] [stdout]   --> src/types.rs:47:5
[INFO] [stdout]    |
[INFO] [stdout] 45 | pub enum Val {
[INFO] [stdout]    |          --- variants in this enum
[INFO] [stdout] 46 |     I32(i32),
[INFO] [stdout] 47 |     I64(i64),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 48 |     F32(f32),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 49 |     F64(f64),
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 50 |     NULL(Ty),
[INFO] [stdout]    |     ^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Val` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.14s
[INFO] running `Command { std: "docker" "inspect" "679cd0ea7aceee88724ac3a71c89d476033ad54e108c906e53150d892fde1a1b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "679cd0ea7aceee88724ac3a71c89d476033ad54e108c906e53150d892fde1a1b", kill_on_drop: false }`
[INFO] [stdout] 679cd0ea7aceee88724ac3a71c89d476033ad54e108c906e53150d892fde1a1b
