[INFO] cloning repository https://github.com/fragwuerdig/zchar
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fragwuerdig/zchar" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffragwuerdig%2Fzchar", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffragwuerdig%2Fzchar'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3cf372f4da3fe96bb66a987e246647e8b002f5f5
[INFO] checking fragwuerdig/zchar against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffragwuerdig%2Fzchar" "/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/fragwuerdig/zchar
[INFO] finished tweaking git repo https://github.com/fragwuerdig/zchar
[INFO] tweaked toml for git repo https://github.com/fragwuerdig/zchar written to /workspace/builds/worker-6-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/fragwuerdig/zchar on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/fragwuerdig/zchar 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 59816e116fd5ce6192c6a8a4470dabfbe322986e03cfd57a1466ac8baab43848
[INFO] running `Command { std: "docker" "start" "-a" "59816e116fd5ce6192c6a8a4470dabfbe322986e03cfd57a1466ac8baab43848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "59816e116fd5ce6192c6a8a4470dabfbe322986e03cfd57a1466ac8baab43848", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "59816e116fd5ce6192c6a8a4470dabfbe322986e03cfd57a1466ac8baab43848", kill_on_drop: false }`
[INFO] [stdout] 59816e116fd5ce6192c6a8a4470dabfbe322986e03cfd57a1466ac8baab43848
[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_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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 72a5f1eefc47510dc0998067c342eadeeece2d50df3c1f92d9a94bc29f238831
[INFO] running `Command { std: "docker" "start" "-a" "72a5f1eefc47510dc0998067c342eadeeece2d50df3c1f92d9a94bc29f238831", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v1.2.0
[INFO] [stderr]    Compiling proc-macro2 v1.0.79
[INFO] [stderr]    Compiling unicode-ident v1.0.12
[INFO] [stderr]    Compiling num-traits v0.2.18
[INFO] [stderr]    Compiling num-bigint v0.4.4
[INFO] [stderr]    Compiling num-rational v0.4.1
[INFO] [stderr]    Compiling quote v1.0.35
[INFO] [stderr]    Compiling syn v2.0.55
[INFO] [stderr]     Checking num-integer v0.1.46
[INFO] [stderr]     Checking num-complex v0.4.5
[INFO] [stderr]     Checking num-iter v0.1.44
[INFO] [stderr]    Compiling num-derive v0.4.2
[INFO] [stderr]     Checking num v0.4.1
[INFO] [stderr]     Checking zchar v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]    --> src/util.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use std::string;
[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: `ZInstruction`
[INFO] [stdout]    --> src/zcode.rs:598:41
[INFO] [stdout]     |
[INFO] [stdout] 598 |     use crate::zcode::{decode_operands, ZInstruction, ZOperand, ZOperands};
[INFO] [stdout]     |                                         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string`
[INFO] [stdout]    --> src/util.rs:267:9
[INFO] [stdout]     |
[INFO] [stdout] 267 |     use std::string;
[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: `zpack` and `zunpack`
[INFO] [stdout]    --> src/util.rs:269:17
[INFO] [stdout]     |
[INFO] [stdout] 269 |     use super::{zpack, zunpack};
[INFO] [stdout]     |                 ^^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `A0`, `A1`, `A2`, `S`, and `ZSCIITAB`
[INFO] [stdout]    --> src/util.rs:270:24
[INFO] [stdout]     |
[INFO] [stdout] 270 |     use crate::zscii::{A0, A1, A2, S, ZSCIITAB};
[INFO] [stdout]     |                        ^^  ^^  ^^  ^  ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ZInstruction`, `ZOperand`, `ZOperands`, and `decode_operands`
[INFO] [stdout]    --> src/zcode.rs:598:24
[INFO] [stdout]     |
[INFO] [stdout] 598 |     use crate::zcode::{decode_operands, ZInstruction, ZOperand, ZOperands};
[INFO] [stdout]     |                        ^^^^^^^^^^^^^^^  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]  --> src/zcode.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ToPrimitive`
[INFO] [stdout]  --> src/zcode.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use num::{FromPrimitive, ToPrimitive};
[INFO] [stdout]   |                          ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/zcode.rs:201:35
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 ZOperand::Large { value } => { size += 2; },
[INFO] [stdout]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/zcode.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 ZOperand::Small { value } => { size += 1; },
[INFO] [stdout]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/zcode.rs:203:38
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 ZOperand::Variable { value } => { size += 1; },
[INFO] [stdout]     |                                      ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/zcode.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 |             let opcode = input[0] & 0b11111;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcount`
[INFO] [stdout]    --> src/zcode.rs:524:18
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let (opcount, memsize) = determine_operand_size(optypes);
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extended`
[INFO] [stdout]    --> src/zcode.rs:546:34
[INFO] [stdout]     |
[INFO] [stdout] 546 | fn decode_store_type(opcode: u8, extended: bool, input: Vec<u8>) -> Option<ZStoreType> {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extended`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/zcode.rs:201:35
[INFO] [stdout]     |
[INFO] [stdout] 201 |                 ZOperand::Large { value } => { size += 2; },
[INFO] [stdout]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/zcode.rs:589:9
[INFO] [stdout]     |
[INFO] [stdout] 589 |     let operands = decode_operands(input.clone());
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/zcode.rs:593:24
[INFO] [stdout]     |
[INFO] [stdout] 593 | fn execute_instruction(instruction: ZInstruction) {
[INFO] [stdout]     |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/zcode.rs:202:35
[INFO] [stdout]     |
[INFO] [stdout] 202 |                 ZOperand::Small { value } => { size += 1; },
[INFO] [stdout]     |                                   ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ZInstruction` is never constructed
[INFO] [stdout]    --> src/zcode.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub struct ZInstruction {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OPCODES` is never used
[INFO] [stdout]  --> src/zcode.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum OPCODES {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BRANCH_LIST` is never used
[INFO] [stdout]    --> src/zcode.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 | const BRANCH_LIST: [OPCODES; 17] = [
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]    --> src/zcode.rs:203:38
[INFO] [stdout]     |
[INFO] [stdout] 203 |                 ZOperand::Variable { value } => { size += 1; },
[INFO] [stdout]     |                                      ^^^^^ help: try ignoring the field: `value: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STORE_LIST` is never used
[INFO] [stdout]    --> src/zcode.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | const STORE_LIST: [OPCODES; 28] = [
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StoreType` is never used
[INFO] [stdout]    --> src/zcode.rs:540:6
[INFO] [stdout]     |
[INFO] [stdout] 540 | enum StoreType{
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_store_type` is never used
[INFO] [stdout]    --> src/zcode.rs:546:4
[INFO] [stdout]     |
[INFO] [stdout] 546 | fn decode_store_type(opcode: u8, extended: bool, input: Vec<u8>) -> Option<ZStoreType> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_instruction` is never used
[INFO] [stdout]    --> src/zcode.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn decode_instruction(input: Vec<u8>) -> Option<ZInstruction> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_instruction` is never used
[INFO] [stdout]    --> src/zcode.rs:593:4
[INFO] [stdout]     |
[INFO] [stdout] 593 | fn execute_instruction(instruction: ZInstruction) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/zcode.rs:484:17
[INFO] [stdout]     |
[INFO] [stdout] 484 |             let opcode = input[0] & 0b11111;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcount`
[INFO] [stdout]    --> src/zcode.rs:524:18
[INFO] [stdout]     |
[INFO] [stdout] 524 |             let (opcount, memsize) = determine_operand_size(optypes);
[INFO] [stdout]     |                  ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcount`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `extended`
[INFO] [stdout]    --> src/zcode.rs:546:34
[INFO] [stdout]     |
[INFO] [stdout] 546 | fn decode_store_type(opcode: u8, extended: bool, input: Vec<u8>) -> Option<ZStoreType> {
[INFO] [stdout]     |                                  ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_extended`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `operands`
[INFO] [stdout]    --> src/zcode.rs:589:9
[INFO] [stdout]     |
[INFO] [stdout] 589 |     let operands = decode_operands(input.clone());
[INFO] [stdout]     |         ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `instruction`
[INFO] [stdout]    --> src/zcode.rs:593:24
[INFO] [stdout]     |
[INFO] [stdout] 593 | fn execute_instruction(instruction: ZInstruction) {
[INFO] [stdout]     |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_instruction`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zchar` (lib) due to 1 previous error; 20 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/zcode.rs:778:17
[INFO] [stdout]     |
[INFO] [stdout] 778 |             let opcode: u8 = i & 0b11111;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `opcode`
[INFO] [stdout]    --> src/zcode.rs:794:17
[INFO] [stdout]     |
[INFO] [stdout] 794 |             let opcode: u8 = i & 0b11111;
[INFO] [stdout]     |                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_opcode`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `ZInstruction` is never constructed
[INFO] [stdout]    --> src/zcode.rs:211:12
[INFO] [stdout]     |
[INFO] [stdout] 211 | pub struct ZInstruction {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `OPCODES` is never used
[INFO] [stdout]  --> src/zcode.rs:5:6
[INFO] [stdout]   |
[INFO] [stdout] 5 | enum OPCODES {
[INFO] [stdout]   |      ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `BRANCH_LIST` is never used
[INFO] [stdout]    --> src/zcode.rs:100:7
[INFO] [stdout]     |
[INFO] [stdout] 100 | const BRANCH_LIST: [OPCODES; 17] = [
[INFO] [stdout]     |       ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `STORE_LIST` is never used
[INFO] [stdout]    --> src/zcode.rs:120:7
[INFO] [stdout]     |
[INFO] [stdout] 120 | const STORE_LIST: [OPCODES; 28] = [
[INFO] [stdout]     |       ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `StoreType` is never used
[INFO] [stdout]    --> src/zcode.rs:540:6
[INFO] [stdout]     |
[INFO] [stdout] 540 | enum StoreType{
[INFO] [stdout]     |      ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_store_type` is never used
[INFO] [stdout]    --> src/zcode.rs:546:4
[INFO] [stdout]     |
[INFO] [stdout] 546 | fn decode_store_type(opcode: u8, extended: bool, input: Vec<u8>) -> Option<ZStoreType> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `decode_instruction` is never used
[INFO] [stdout]    --> src/zcode.rs:585:4
[INFO] [stdout]     |
[INFO] [stdout] 585 | fn decode_instruction(input: Vec<u8>) -> Option<ZInstruction> {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `execute_instruction` is never used
[INFO] [stdout]    --> src/zcode.rs:593:4
[INFO] [stdout]     |
[INFO] [stdout] 593 | fn execute_instruction(instruction: ZInstruction) {
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `zchar` (lib test) due to 1 previous error; 20 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "72a5f1eefc47510dc0998067c342eadeeece2d50df3c1f92d9a94bc29f238831", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72a5f1eefc47510dc0998067c342eadeeece2d50df3c1f92d9a94bc29f238831", kill_on_drop: false }`
[INFO] [stdout] 72a5f1eefc47510dc0998067c342eadeeece2d50df3c1f92d9a94bc29f238831
