[INFO] cloning repository https://github.com/485angelprocess/bbforth
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/485angelprocess/bbforth" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F485angelprocess%2Fbbforth", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F485angelprocess%2Fbbforth'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 37d781663bb00ddd31d169fe05e2acf4ecfc62c3
[INFO] checking 485angelprocess/bbforth against master#3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0 for pr-143164
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2F485angelprocess%2Fbbforth" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/485angelprocess/bbforth
[INFO] finished tweaking git repo https://github.com/485angelprocess/bbforth
[INFO] tweaked toml for git repo https://github.com/485angelprocess/bbforth written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/485angelprocess/bbforth on toolchain 3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/485angelprocess/bbforth 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" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b1b4f20ba47c92f0b14ec4b77f1a31537ce7318b414ac7029809e3e0b1aa39e6
[INFO] running `Command { std: "docker" "start" "-a" "b1b4f20ba47c92f0b14ec4b77f1a31537ce7318b414ac7029809e3e0b1aa39e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b1b4f20ba47c92f0b14ec4b77f1a31537ce7318b414ac7029809e3e0b1aa39e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1b4f20ba47c92f0b14ec4b77f1a31537ce7318b414ac7029809e3e0b1aa39e6", kill_on_drop: false }`
[INFO] [stdout] b1b4f20ba47c92f0b14ec4b77f1a31537ce7318b414ac7029809e3e0b1aa39e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:cf8efcab8866f2cf4285301c7418e2f4f2a9b088c91ba69c40d5b659f81557f7" "/opt/rustwide/cargo-home/bin/cargo" "+3129d37ef7075ee3cbaa3d6cbe1b5794f67192b0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 11494d073e458f84da744e903fe3490a74c94d62f6fa430435c8db99a488b9d7
[INFO] running `Command { std: "docker" "start" "-a" "11494d073e458f84da744e903fe3490a74c94d62f6fa430435c8db99a488b9d7", kill_on_drop: false }`
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[INFO] [stdout] warning: unused import: `any::Any`
[INFO] [stdout]  --> src/types.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, fmt::Write, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Error`
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WorkspaceContext`
[INFO] [stdout]  --> src/types.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{context::{ForthRoutine, WorkspaceContext}, generator::GeneratorUnit, math};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ForthReader`
[INFO] [stdout]  --> src/context.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::reader::{self, ForthReader};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ForthRoutine`
[INFO] [stdout]  --> src/generator.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{context::{ForthRoutine, Workspace, WorkspaceContext}, types::ForthVal};
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `any::Any`
[INFO] [stdout]  --> src/types.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, fmt::Write, rc::Rc};
[INFO] [stdout]   |           ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `regex::Error`
[INFO] [stdout]  --> src/types.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use regex::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `WorkspaceContext`
[INFO] [stdout]  --> src/types.rs:5:37
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::{context::{ForthRoutine, WorkspaceContext}, generator::GeneratorUnit, math};
[INFO] [stdout]   |                                     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ForthReader`
[INFO] [stdout]  --> src/context.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::reader::{self, ForthReader};
[INFO] [stdout]   |                           ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ForthRoutine`
[INFO] [stdout]  --> src/generator.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{context::{ForthRoutine, Workspace, WorkspaceContext}, types::ForthVal};
[INFO] [stdout]   |                       ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Write`
[INFO] [stdout]  --> src/types.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, fmt::Write, rc::Rc};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `fmt::Write`
[INFO] [stdout]  --> src/types.rs:1:21
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, fmt::Write, rc::Rc};
[INFO] [stdout]   |                     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/types.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 for i in 0..9{
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/types.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |                       let mut gn = gen;
[INFO] [stdout]     |                           ----^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/types.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                       let mut gn = gen;
[INFO] [stdout]     |                           ----^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/types.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 let mut gn = gen.clone();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/types.rs:86:21
[INFO] [stdout]    |
[INFO] [stdout] 86 |                 for i in 0..9{
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/types.rs:119:27
[INFO] [stdout]     |
[INFO] [stdout] 119 |                       let mut gn = gen;
[INFO] [stdout]     |                           ----^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/types.rs:139:27
[INFO] [stdout]     |
[INFO] [stdout] 139 |                       let mut gn = gen;
[INFO] [stdout]     |                           ----^^
[INFO] [stdout]     |                           |
[INFO] [stdout]     |                           help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/types.rs:157:21
[INFO] [stdout]     |
[INFO] [stdout] 157 |                 let mut gn = gen.clone();
[INFO] [stdout]     |                     ----^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Mode` is more private than the item `WorkspaceContext::mode`
[INFO] [stdout]   --> src/context.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub mode: Mode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ field `WorkspaceContext::mode` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Mode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/context.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Mode{
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `Mode` is more private than the item `WorkspaceContext::mode`
[INFO] [stdout]   --> src/context.rs:69:5
[INFO] [stdout]    |
[INFO] [stdout] 69 |     pub mode: Mode,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^ field `WorkspaceContext::mode` is reachable at visibility `pub(crate)`
[INFO] [stdout]    |
[INFO] [stdout] note: but type `Mode` is only usable at visibility `pub(self)`
[INFO] [stdout]   --> src/context.rs:59:1
[INFO] [stdout]    |
[INFO] [stdout] 59 | enum Mode{
[INFO] [stdout]    | ^^^^^^^^^
[INFO] [stdout]    = note: `#[warn(private_interfaces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/reader.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl ForthReader{
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn is_empty(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Vector` is never constructed
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum ForthVal{
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Vector(Rc<Vec<ForthVal>>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ForthVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `to_int` and `to_float` are never used
[INFO] [stdout]    --> src/types.rs:96:12
[INFO] [stdout]     |
[INFO] [stdout] 70  | impl ForthVal{
[INFO] [stdout]     | ------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 96  |     pub fn to_int(&self) -> Result<i64, ForthErr>{
[INFO] [stdout]     |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 103 |     pub fn to_float(&self) -> Result<f64, ForthErr>{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/types.rs:177:15
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ErrString(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ForthErr` 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] 177 -     ErrString(String),
[INFO] [stdout] 177 +     ErrString(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ErrForthVal` is never constructed
[INFO] [stdout]    --> src/types.rs:178:5
[INFO] [stdout]     |
[INFO] [stdout] 176 | pub enum ForthErr{
[INFO] [stdout]     |          -------- variant in this enum
[INFO] [stdout] 177 |     ErrString(String),
[INFO] [stdout] 178 |     ErrForthVal(ForthVal)
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ForthErr` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ForthArgs` is never used
[INFO] [stdout]    --> src/types.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub type ForthArgs = Vec<ForthVal>;
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek` and `len` are never used
[INFO] [stdout]    --> src/context.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 75  | impl WorkspaceContext{
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn peek(&self, index: usize) -> Option<&ForthVal>{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn len(&self) -> usize{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `standard` is never used
[INFO] [stdout]    --> src/context.rs:158:12
[INFO] [stdout]     |
[INFO] [stdout] 119 | impl Workspace{
[INFO] [stdout]     | -------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 158 |     pub fn standard() -> Self{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `var` is never read
[INFO] [stdout]   --> src/generator.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GenEnv{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 10 |     // Variables for forms
[INFO] [stdout] 11 |     pub var: HashMap<String, ForthVal>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenEnv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `is_empty` is never used
[INFO] [stdout]    --> src/reader.rs:133:12
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl ForthReader{
[INFO] [stdout]     | ---------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 133 |     pub fn is_empty(&self) -> bool{
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Vector` is never constructed
[INFO] [stdout]   --> src/types.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub enum ForthVal{
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 23 |     Vector(Rc<Vec<ForthVal>>),
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ForthVal` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/context.rs:255:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     self.interpret_token(&v);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     let _ = self.interpret_token(&v);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/types.rs:177:15
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ErrString(String),
[INFO] [stdout]     |     --------- ^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ForthErr` 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] 177 -     ErrString(String),
[INFO] [stdout] 177 +     ErrString(()),
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]    --> src/types.rs:178:17
[INFO] [stdout]     |
[INFO] [stdout] 178 |     ErrForthVal(ForthVal)
[INFO] [stdout]     |     ----------- ^^^^^^^^
[INFO] [stdout]     |     |
[INFO] [stdout]     |     field in this variant
[INFO] [stdout]     |
[INFO] [stdout]     = note: `ForthErr` 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] 178 -     ErrForthVal(ForthVal)
[INFO] [stdout] 178 +     ErrForthVal(())
[INFO] [stdout]     |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `ForthArgs` is never used
[INFO] [stdout]    --> src/types.rs:181:10
[INFO] [stdout]     |
[INFO] [stdout] 181 | pub type ForthArgs = Vec<ForthVal>;
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `peek` and `len` are never used
[INFO] [stdout]    --> src/context.rs:102:8
[INFO] [stdout]     |
[INFO] [stdout] 75  | impl WorkspaceContext{
[INFO] [stdout]     | --------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 102 |     fn peek(&self, index: usize) -> Option<&ForthVal>{
[INFO] [stdout]     |        ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 107 |     fn len(&self) -> usize{
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `var` is never read
[INFO] [stdout]   --> src/generator.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 9  | pub struct GenEnv{
[INFO] [stdout]    |            ------ field in this struct
[INFO] [stdout] 10 |     // Variables for forms
[INFO] [stdout] 11 |     pub var: HashMap<String, ForthVal>,
[INFO] [stdout]    |         ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `GenEnv` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]    --> src/context.rs:255:21
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     self.interpret_token(&v);
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]     |
[INFO] [stdout] 255 |                     let _ = self.interpret_token(&v);
[INFO] [stdout]     |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 30s
[INFO] running `Command { std: "docker" "inspect" "11494d073e458f84da744e903fe3490a74c94d62f6fa430435c8db99a488b9d7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "11494d073e458f84da744e903fe3490a74c94d62f6fa430435c8db99a488b9d7", kill_on_drop: false }`
[INFO] [stdout] 11494d073e458f84da744e903fe3490a74c94d62f6fa430435c8db99a488b9d7
