[INFO] cloning repository https://github.com/darshil-kaneria/tac0
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/darshil-kaneria/tac0" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshil-kaneria%2Ftac0", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshil-kaneria%2Ftac0'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f702a8464407f1fffc187e3aaa9a6e15a034e83
[INFO] checking darshil-kaneria/tac0 against try#6713fa75964eb229409a9c6f6f5c418423e313ff for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdarshil-kaneria%2Ftac0" "/workspace/builds/worker-6-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/darshil-kaneria/tac0
[INFO] finished tweaking git repo https://github.com/darshil-kaneria/tac0
[INFO] tweaked toml for git repo https://github.com/darshil-kaneria/tac0 written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/darshil-kaneria/tac0 on toolchain 6713fa75964eb229409a9c6f6f5c418423e313ff
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/darshil-kaneria/tac0 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" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+6713fa75964eb229409a9c6f6f5c418423e313ff" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98ef2e05f046bf89a80512ecc3475ca80da5c7dba2a3917d33ca04bb94d0e4dd
[INFO] running `Command { std: "docker" "start" "-a" "98ef2e05f046bf89a80512ecc3475ca80da5c7dba2a3917d33ca04bb94d0e4dd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98ef2e05f046bf89a80512ecc3475ca80da5c7dba2a3917d33ca04bb94d0e4dd", kill_on_drop: false }`
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[INFO] [stdout] 09027a2e5cc55cda8531e7201b024c6e55cace464d1f6067146ebbf684821ce5
[INFO] running `Command { std: "docker" "start" "-a" "09027a2e5cc55cda8531e7201b024c6e55cace464d1f6067146ebbf684821ce5", kill_on_drop: false }`
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[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling regex-syntax v0.8.5
[INFO] [stderr]    Compiling rustversion v1.0.19
[INFO] [stderr]    Compiling equivalent v1.0.2
[INFO] [stderr]    Compiling hashbrown v0.15.2
[INFO] [stderr]    Compiling siphasher v1.0.1
[INFO] [stderr]    Compiling home v0.5.11
[INFO] [stderr]    Compiling fixedbitset v0.5.7
[INFO] [stderr]    Compiling generic-array v0.14.7
[INFO] [stderr]    Compiling keccak v0.1.5
[INFO] [stderr]    Compiling precomputed-hash v0.1.1
[INFO] [stderr]    Compiling either v1.13.0
[INFO] [stderr]    Compiling new_debug_unreachable v1.0.6
[INFO] [stderr]    Compiling same-file v1.0.6
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[INFO] [stderr]    Compiling phf_shared v0.11.3
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[INFO] [stderr]    Compiling pico-args v0.5.0
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[INFO] [stderr]    Compiling itertools v0.14.0
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[INFO] [stderr]    Compiling lock_api v0.4.12
[INFO] [stderr]    Compiling aho-corasick v1.1.3
[INFO] [stderr]    Compiling bit-set v0.8.0
[INFO] [stderr]    Compiling ascii-canvas v4.0.0
[INFO] [stderr]    Compiling indexmap v2.7.1
[INFO] [stderr]    Compiling petgraph v0.7.1
[INFO] [stderr]    Compiling parking_lot v0.12.3
[INFO] [stderr]    Compiling string_cache v0.8.8
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking lalrpop-util v0.21.0
[INFO] [stderr]    Compiling block-buffer v0.10.4
[INFO] [stderr]    Compiling crypto-common v0.1.6
[INFO] [stderr]    Compiling digest v0.10.7
[INFO] [stderr]    Compiling sha3 v0.10.8
[INFO] [stderr]    Compiling regex v1.11.1
[INFO] [stderr]    Compiling lalrpop-util v0.22.1
[INFO] [stderr]    Compiling lalrpop v0.22.1
[INFO] [stderr]    Compiling tac0 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `frontend::ast::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frontend::ast::*;
[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: `middle::ir::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use middle::ir::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `frontend::ast::*`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use frontend::ast::*;
[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: `std::convert`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `middle::ir::*`
[INFO] [stdout]  --> src/main.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use middle::ir::*;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::convert`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use std::convert;
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inc_temp`
[INFO] [stdout]    --> src/middle/irgen.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let (inc_temp, mut inc_instrs) = self.lower_expr(increment);
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inc_temp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inc_temp`
[INFO] [stdout]    --> src/middle/irgen.rs:190:14
[INFO] [stdout]     |
[INFO] [stdout] 190 |         let (inc_temp, mut inc_instrs) = self.lower_expr(increment);
[INFO] [stdout]     |              ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_inc_temp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `typ` is never read
[INFO] [stdout]   --> src/frontend/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     VarDecl {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 35 |         typ: Type,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Not` is never constructed
[INFO] [stdout]   --> src/frontend/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum BinOp {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 56 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `typ` is never read
[INFO] [stdout]   --> src/frontend/ast.rs:35:9
[INFO] [stdout]    |
[INFO] [stdout] 34 |     VarDecl {
[INFO] [stdout]    |     ------- field in this variant
[INFO] [stdout] 35 |         typ: Type,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Decl` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Neg` is never constructed
[INFO] [stdout]   --> src/frontend/ast.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 61 |     Not,
[INFO] [stdout] 62 |     Neg,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/frontend/lexer.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Not` is never constructed
[INFO] [stdout]   --> src/frontend/ast.rs:56:5
[INFO] [stdout]    |
[INFO] [stdout] 51 | pub enum BinOp {
[INFO] [stdout]    |          ----- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 56 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `BinOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/frontend/lexer.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Lexer<'input> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Neg` is never constructed
[INFO] [stdout]   --> src/frontend/ast.rs:62:5
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub enum UnaryOp {
[INFO] [stdout]    |          ------- variant in this enum
[INFO] [stdout] 61 |     Not,
[INFO] [stdout] 62 |     Neg,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `UnaryOp` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `Token` is never used
[INFO] [stdout]  --> src/frontend/lexer.rs:2:10
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum Token {
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Lexer` is never constructed
[INFO] [stdout]   --> src/frontend/lexer.rs:16:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct Lexer<'input> {
[INFO] [stdout]    |            ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/frontend/lexer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'input> Lexer<'input> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(input: &'input str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn current_char(&self) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn ignore_comments(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn lex_number(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn lex_ident(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dest` and `value` are never read
[INFO] [stdout]  --> src/middle/ir.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LoadConst { dest: String, value: i32 },
[INFO] [stdout]   |     ---------   ^^^^          ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dest`, `op`, `left`, and `right` are never read
[INFO] [stdout]  --> src/middle/ir.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BinaryOp { dest: String, op: BinOp, left: String, right: String },
[INFO] [stdout]   |     --------   ^^^^          ^^         ^^^^          ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dest` and `src` are never read
[INFO] [stdout]  --> src/middle/ir.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Assign { dest: String, src: String },
[INFO] [stdout]   |     ------   ^^^^          ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/frontend/lexer.rs:22:12
[INFO] [stdout]    |
[INFO] [stdout] 21 | impl<'input> Lexer<'input> {
[INFO] [stdout]    | -------------------------- associated items in this implementation
[INFO] [stdout] 22 |     pub fn new(input: &'input str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 26 |     pub fn next_token(&mut self) -> Option<Token> {
[INFO] [stdout]    |            ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 49 |     fn current_char(&self) -> char {
[INFO] [stdout]    |        ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 53 |     fn skip_whitespace(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |     fn ignore_comments(&mut self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |     fn lex_number(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 82 |     fn lex_ident(&mut self) -> Token {
[INFO] [stdout]    |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `src` are never read
[INFO] [stdout]  --> src/middle/ir.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     VarDecl { name: String, src: Option<String> },
[INFO] [stdout]   |     -------   ^^^^          ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dest` and `value` are never read
[INFO] [stdout]  --> src/middle/ir.rs:3:17
[INFO] [stdout]   |
[INFO] [stdout] 3 |     LoadConst { dest: String, value: i32 },
[INFO] [stdout]   |     ---------   ^^^^          ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dest`, `op`, `left`, and `right` are never read
[INFO] [stdout]  --> src/middle/ir.rs:4:16
[INFO] [stdout]   |
[INFO] [stdout] 4 |     BinaryOp { dest: String, op: BinOp, left: String, right: String },
[INFO] [stdout]   |     --------   ^^^^          ^^         ^^^^          ^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/middle/ir.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Label(String),
[INFO] [stdout]   |     ----- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Label(String),
[INFO] [stdout] 8 +     Label(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/middle/ir.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Jump(String),
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Jump(String),
[INFO] [stdout] 9 +     Jump(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `dest` and `src` are never read
[INFO] [stdout]  --> src/middle/ir.rs:5:14
[INFO] [stdout]   |
[INFO] [stdout] 5 |     Assign { dest: String, src: String },
[INFO] [stdout]   |     ------   ^^^^          ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond`, `true_label`, and `false_label` are never read
[INFO] [stdout]   --> src/middle/ir.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Branch { cond: String, true_label: String, false_label: String },
[INFO] [stdout]    |     ------   ^^^^          ^^^^^^^^^^          ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `src` are never read
[INFO] [stdout]  --> src/middle/ir.rs:6:15
[INFO] [stdout]   |
[INFO] [stdout] 6 |     VarDecl { name: String, src: Option<String> },
[INFO] [stdout]   |     -------   ^^^^          ^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     fields in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/middle/ir.rs:8:11
[INFO] [stdout]   |
[INFO] [stdout] 8 |     Label(String),
[INFO] [stdout]   |     ----- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 8 -     Label(String),
[INFO] [stdout] 8 +     Label(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/middle/ir.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 |     Jump(String),
[INFO] [stdout]   |     ---- ^^^^^^
[INFO] [stdout]   |     |
[INFO] [stdout]   |     field in this variant
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field
[INFO] [stdout]   |
[INFO] [stdout] 9 -     Jump(String),
[INFO] [stdout] 9 +     Jump(()),
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `cond`, `true_label`, and `false_label` are never read
[INFO] [stdout]   --> src/middle/ir.rs:10:14
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Branch { cond: String, true_label: String, false_label: String },
[INFO] [stdout]    |     ------   ^^^^          ^^^^^^^^^^          ^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     fields in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Instruction` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 13.44s
[INFO] running `Command { std: "docker" "inspect" "09027a2e5cc55cda8531e7201b024c6e55cace464d1f6067146ebbf684821ce5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09027a2e5cc55cda8531e7201b024c6e55cace464d1f6067146ebbf684821ce5", kill_on_drop: false }`
[INFO] [stdout] 09027a2e5cc55cda8531e7201b024c6e55cace464d1f6067146ebbf684821ce5
