[INFO] cloning repository https://github.com/tjarjoura/rust-mix-system
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/tjarjoura/rust-mix-system" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjarjoura%2Frust-mix-system", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjarjoura%2Frust-mix-system'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f655e09c4b1d76a22f973db152d32a9c4b68f60e
[INFO] checking tjarjoura/rust-mix-system against master#507271bc119683008ec719ecee48814e8ac86c65 for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ftjarjoura%2Frust-mix-system" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/tjarjoura/rust-mix-system
[INFO] finished tweaking git repo https://github.com/tjarjoura/rust-mix-system
[INFO] tweaked toml for git repo https://github.com/tjarjoura/rust-mix-system written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/tjarjoura/rust-mix-system on toolchain 507271bc119683008ec719ecee48814e8ac86c65
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/tjarjoura/rust-mix-system 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" "+507271bc119683008ec719ecee48814e8ac86c65" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
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[INFO] [stdout] 9c578a27e564dba76264f515389a9c040916400bb40f87a1ce9cce86b89a2281
[INFO] running `Command { std: "docker" "start" "-a" "9c578a27e564dba76264f515389a9c040916400bb40f87a1ce9cce86b89a2281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9c578a27e564dba76264f515389a9c040916400bb40f87a1ce9cce86b89a2281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9c578a27e564dba76264f515389a9c040916400bb40f87a1ce9cce86b89a2281", kill_on_drop: false }`
[INFO] [stdout] 9c578a27e564dba76264f515389a9c040916400bb40f87a1ce9cce86b89a2281
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+507271bc119683008ec719ecee48814e8ac86c65" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c554e53e281cad61a022fe3fddb33ba924c9c004afd9a9b2cd2da59b89e8b78d
[INFO] running `Command { std: "docker" "start" "-a" "c554e53e281cad61a022fe3fddb33ba924c9c004afd9a9b2cd2da59b89e8b78d", kill_on_drop: false }`
[INFO] [stderr]     Checking clap_lex v0.7.7
[INFO] [stderr]    Compiling quote v1.0.42
[INFO] [stderr]    Compiling proc-macro2 v1.0.103
[INFO] [stderr]     Checking clap_builder v4.5.54
[INFO] [stderr]    Compiling syn v2.0.110
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking clap v4.5.54
[INFO] [stderr]     Checking mix-system v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::mixal::number::Number`
[INFO] [stdout]  --> src/mixal/field.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::mixal::number::Number;
[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: `bail`
[INFO] [stdout]  --> src/mixal/wval.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{Result, bail};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::mixal::number::Number`
[INFO] [stdout]  --> src/mixal/field.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::mixal::number::Number;
[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: `bail`
[INFO] [stdout]  --> src/mixal/wval.rs:1:22
[INFO] [stdout]   |
[INFO] [stdout] 1 | use anyhow::{Result, bail};
[INFO] [stdout]   |                      ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `FutureRef` is more private than the item `WVal::FutureRef::0`
[INFO] [stdout]   --> src/mixal/wval.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     FutureRef(FutureRef),
[INFO] [stdout]    |               ^^^^^^^^^ field `WVal::FutureRef::0` is reachable at visibility `pub(in crate::mixal)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `FutureRef` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/mixal/wval.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct FutureRef {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `WValInner` is more private than the item `WVal::WValInner::0`
[INFO] [stdout]   --> src/mixal/wval.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     WValInner(WValInner),
[INFO] [stdout]    |               ^^^^^^^^^ field `WVal::WValInner::0` is reachable at visibility `pub(in crate::mixal)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `WValInner` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/mixal/wval.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct WValInner {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bytes` and `symbols` are never read
[INFO] [stdout]   --> src/mixal/assemble.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MachineWord {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 16 |     bytes: [u8; BYTES_PER_WORD],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     symbols: HashMap<String, Expression>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]   --> src/mixal/assemble.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct AssemblerState {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 21 |     output: [MachineWord; N_WORDS],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/con.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Con {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 5 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/end.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct End {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 5 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/equ.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Equ {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 6 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operation_code` and `address` are never read
[INFO] [stdout]   --> src/mixal/instruction.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct MixInstruction {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 62 |     pub operation_code: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 63 |     pub address: Address,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/orig.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Orig {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Instruction(MixInstruction),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 14 -     Instruction(MixInstruction),
[INFO] [stdout] 14 +     Instruction(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Equ(Equ),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 -     Equ(Equ),
[INFO] [stdout] 15 +     Equ(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Orig(Orig),
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 16 -     Orig(Orig),
[INFO] [stdout] 16 +     Orig(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Con(Con),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 17 -     Con(Con),
[INFO] [stdout] 17 +     Con(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Alf(Alf),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 18 -     Alf(Alf),
[INFO] [stdout] 18 +     Alf(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     End(End),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 19 -     End(End),
[INFO] [stdout] 19 +     End(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `loc` and `op` are never read
[INFO] [stdout]   --> src/mixal/statement.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Statement {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 55 |     loc: Option<Symbol>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 56 |     op: Operation,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MixalStatement` is never constructed
[INFO] [stdout]   --> src/mixal/symbol.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct MixalStatement {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/mixal.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/bin/mixal.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs::File`
[INFO] [stdout]  --> src/bin/mixal.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fs::File;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `BufRead` and `BufReader`
[INFO] [stdout]  --> src/bin/mixal.rs:2:15
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::io::{BufRead, BufReader};
[INFO] [stdout]   |               ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wval::FutureRef` is more private than the item `wval::WVal::FutureRef::0`
[INFO] [stdout]   --> src/mixal/wval.rs:13:15
[INFO] [stdout]    |
[INFO] [stdout] 13 |     FutureRef(FutureRef),
[INFO] [stdout]    |               ^^^^^^^^^ field `wval::WVal::FutureRef::0` is reachable at visibility `pub(in crate::mixal)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `wval::FutureRef` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/mixal/wval.rs:36:1
[INFO] [stdout]    |
[INFO] [stdout] 36 | struct FutureRef {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `wval::WValInner` is more private than the item `wval::WVal::WValInner::0`
[INFO] [stdout]   --> src/mixal/wval.rs:14:15
[INFO] [stdout]    |
[INFO] [stdout] 14 |     WValInner(WValInner),
[INFO] [stdout]    |               ^^^^^^^^^ field `wval::WVal::WValInner::0` is reachable at visibility `pub(in crate::mixal)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `wval::WValInner` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/mixal/wval.rs:58:1
[INFO] [stdout]    |
[INFO] [stdout] 58 | struct WValInner {
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `bytes` and `symbols` are never read
[INFO] [stdout]   --> src/mixal/assemble.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct MachineWord {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout] 16 |     bytes: [u8; BYTES_PER_WORD],
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 17 |     symbols: HashMap<String, Expression>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `output` is never read
[INFO] [stdout]   --> src/mixal/assemble.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 20 | pub struct AssemblerState {
[INFO] [stdout]    |            -------------- field in this struct
[INFO] [stdout] 21 |     output: [MachineWord; N_WORDS],
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/con.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Con {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 5 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/end.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct End {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 5 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/equ.rs:6:9
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Equ {
[INFO] [stdout]   |            --- field in this struct
[INFO] [stdout] 6 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `operation_code` and `address` are never read
[INFO] [stdout]   --> src/mixal/instruction.rs:62:9
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub struct MixInstruction {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 62 |     pub operation_code: u8,
[INFO] [stdout]    |         ^^^^^^^^^^^^^^
[INFO] [stdout] 63 |     pub address: Address,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `wval` is never read
[INFO] [stdout]  --> src/mixal/orig.rs:5:9
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Orig {
[INFO] [stdout]   |            ---- field in this struct
[INFO] [stdout] 5 |     pub wval: WVal,
[INFO] [stdout]   |         ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:14:17
[INFO] [stdout]    |
[INFO] [stdout] 14 |     Instruction(MixInstruction),
[INFO] [stdout]    |     ----------- ^^^^^^^^^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 14 -     Instruction(MixInstruction),
[INFO] [stdout] 14 +     Instruction(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:15:9
[INFO] [stdout]    |
[INFO] [stdout] 15 |     Equ(Equ),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 15 -     Equ(Equ),
[INFO] [stdout] 15 +     Equ(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:16:10
[INFO] [stdout]    |
[INFO] [stdout] 16 |     Orig(Orig),
[INFO] [stdout]    |     ---- ^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 16 -     Orig(Orig),
[INFO] [stdout] 16 +     Orig(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:17:9
[INFO] [stdout]    |
[INFO] [stdout] 17 |     Con(Con),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 17 -     Con(Con),
[INFO] [stdout] 17 +     Con(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     Alf(Alf),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 18 -     Alf(Alf),
[INFO] [stdout] 18 +     Alf(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/mixal/statement.rs:19:9
[INFO] [stdout]    |
[INFO] [stdout] 19 |     End(End),
[INFO] [stdout]    |     --- ^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[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] 19 -     End(End),
[INFO] [stdout] 19 +     End(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `loc` and `op` are never read
[INFO] [stdout]   --> src/mixal/statement.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 54 | pub struct Statement {
[INFO] [stdout]    |            --------- fields in this struct
[INFO] [stdout] 55 |     loc: Option<Symbol>,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 56 |     op: Operation,
[INFO] [stdout]    |     ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `MixalStatement` is never constructed
[INFO] [stdout]   --> src/mixal/symbol.rs:60:12
[INFO] [stdout]    |
[INFO] [stdout] 60 | pub struct MixalStatement {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.42s
[INFO] running `Command { std: "docker" "inspect" "c554e53e281cad61a022fe3fddb33ba924c9c004afd9a9b2cd2da59b89e8b78d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c554e53e281cad61a022fe3fddb33ba924c9c004afd9a9b2cd2da59b89e8b78d", kill_on_drop: false }`
[INFO] [stdout] c554e53e281cad61a022fe3fddb33ba924c9c004afd9a9b2cd2da59b89e8b78d
