[INFO] cloning repository https://github.com/markulox/rlox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/markulox/rlox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkulox%2Frlox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkulox%2Frlox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 006fa61e7feabc3d0e0d413e21255462fe5e6043
[INFO] building markulox/rlox against master#11663cd3bfefef7d34e8f0892c250bf698049392+rustflags=-Dtail-expr-drop-order for pr-134523
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmarkulox%2Frlox" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/markulox/rlox on toolchain 11663cd3bfefef7d34e8f0892c250bf698049392
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/markulox/rlox
[INFO] finished tweaking git repo https://github.com/markulox/rlox
[INFO] tweaked toml for git repo https://github.com/markulox/rlox written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/markulox/rlox 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" "+11663cd3bfefef7d34e8f0892c250bf698049392" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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_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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e57d55306174ffff9617b64d58fedc4d05454b47af2c1840b668ee62e8dedacd
[INFO] running `Command { std: "docker" "start" "-a" "e57d55306174ffff9617b64d58fedc4d05454b47af2c1840b668ee62e8dedacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e57d55306174ffff9617b64d58fedc4d05454b47af2c1840b668ee62e8dedacd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e57d55306174ffff9617b64d58fedc4d05454b47af2c1840b668ee62e8dedacd", kill_on_drop: false }`
[INFO] [stdout] e57d55306174ffff9617b64d58fedc4d05454b47af2c1840b668ee62e8dedacd
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7672ef54ae0e27360ea7c6cb07bafa0f98bfca182105340272a17dc16fc3eaa8
[INFO] running `Command { std: "docker" "start" "-a" "7672ef54ae0e27360ea7c6cb07bafa0f98bfca182105340272a17dc16fc3eaa8", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.91
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `fmt::format`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque, env, error::Error, fmt::format, fs, io::Write, os::unix::ffi::OsStrExt,
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32::consts::E`
[INFO] [stdout]  --> src/main.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque, env, f32::consts::E, fs, io::{stdin, stdout, BufRead, Write}, process::ExitCode
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::id`
[INFO] [stdout]  --> src/scanner/mod.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, collections::VecDeque, process::id};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/scanner/token.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::{self, Any};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrReport` and `self`
[INFO] [stdout]  --> src/scanner/mod.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::err::{self, report::error, scan::ScanErr, ErrReport};
[INFO] [stdout]   |                  ^^^^                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::unix::ffi::OsStrExt`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:75
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque, env, error::Error, fmt::format, fs, io::Write, os::unix::ffi::OsStrExt,
[INFO] [stdout]   |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenNano` is never used
[INFO] [stdout]  --> src/scanner/token.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum TokenNano {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EOF` is never constructed
[INFO] [stdout]   --> src/scanner/token.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 93 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: fields `type`, `lexeme`, `literal`, and `line` are never read
[INFO] [stdout]    --> src/scanner/token.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 100 |     r#type: TokenType,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 101 |     lexeme: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 102 |     literal: OptionalAny,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 103 |     line: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` 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 `RunFileError` is never used
[INFO] [stdout]  --> src/err/file.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum RunFileError {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Object` is never used
[INFO] [stdout]  --> src/expr/mod.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Object = Box<dyn Any>;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expr` is never used
[INFO] [stdout]  --> src/expr/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Expr {}
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Binary` is never constructed
[INFO] [stdout]  --> src/expr/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Binary {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Binary {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(left: Box<dyn Expr>, operator: Token, right: Box<dyn Expr>, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grouping` is never constructed
[INFO] [stdout]   --> src/expr/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Grouping {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Grouping {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     fn new(expression: Box<dyn Expr>, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Literal` is never constructed
[INFO] [stdout]   --> src/expr/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Literal {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Literal {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 33 |     fn new(value: Object, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unary` is never constructed
[INFO] [stdout]   --> src/expr/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Unary {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Unary {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 44 |     fn new(operator: Token, right: Box<dyn Expr>, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.28s
[INFO] running `Command { std: "docker" "inspect" "7672ef54ae0e27360ea7c6cb07bafa0f98bfca182105340272a17dc16fc3eaa8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7672ef54ae0e27360ea7c6cb07bafa0f98bfca182105340272a17dc16fc3eaa8", kill_on_drop: false }`
[INFO] [stdout] 7672ef54ae0e27360ea7c6cb07bafa0f98bfca182105340272a17dc16fc3eaa8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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 -Dtail-expr-drop-order" "-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:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+11663cd3bfefef7d34e8f0892c250bf698049392" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec6bdd1a251e5d72f09fe732a9ad7b9ec678ecbc007fbdc12d174eba8792c9da
[INFO] running `Command { std: "docker" "start" "-a" "ec6bdd1a251e5d72f09fe732a9ad7b9ec678ecbc007fbdc12d174eba8792c9da", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `error::Error` and `fmt::format`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque, env, error::Error, fmt::format, fs, io::Write, os::unix::ffi::OsStrExt,
[INFO] [stdout]   |                                 ^^^^^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `f32::consts::E`
[INFO] [stdout]  --> src/main.rs:2:33
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque, env, f32::consts::E, fs, io::{stdin, stdout, BufRead, Write}, process::ExitCode
[INFO] [stdout]   |                                 ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `process::id`
[INFO] [stdout]  --> src/scanner/mod.rs:1:44
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{any::Any, collections::VecDeque, process::id};
[INFO] [stdout]   |                                            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/scanner/token.rs:1:16
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::any::{self, Any};
[INFO] [stdout]   |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ErrReport` and `self`
[INFO] [stdout]  --> src/scanner/mod.rs:8:18
[INFO] [stdout]   |
[INFO] [stdout] 8 | use crate::err::{self, report::error, scan::ScanErr, ErrReport};
[INFO] [stdout]   |                  ^^^^                                ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `os::unix::ffi::OsStrExt`
[INFO] [stdout]  --> src/bin/generate_ast.rs:2:75
[INFO] [stdout]   |
[INFO] [stdout] 2 |     collections::VecDeque, env, error::Error, fmt::format, fs, io::Write, os::unix::ffi::OsStrExt,
[INFO] [stdout]   |                                                                           ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `TokenNano` is never used
[INFO] [stdout]  --> src/scanner/token.rs:3:10
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub enum TokenNano {
[INFO] [stdout]   |          ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EOF` is never constructed
[INFO] [stdout]   --> src/scanner/token.rs:93:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum TokenType {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 93 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` 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: fields `type`, `lexeme`, `literal`, and `line` are never read
[INFO] [stdout]    --> src/scanner/token.rs:100:5
[INFO] [stdout]     |
[INFO] [stdout] 99  | pub struct Token {
[INFO] [stdout]     |            ----- fields in this struct
[INFO] [stdout] 100 |     r#type: TokenType,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 101 |     lexeme: String,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 102 |     literal: OptionalAny,
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 103 |     line: usize,
[INFO] [stdout]     |     ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Token` 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 `RunFileError` is never used
[INFO] [stdout]  --> src/err/file.rs:3:6
[INFO] [stdout]   |
[INFO] [stdout] 3 | enum RunFileError {
[INFO] [stdout]   |      ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Object` is never used
[INFO] [stdout]  --> src/expr/mod.rs:4:6
[INFO] [stdout]   |
[INFO] [stdout] 4 | type Object = Box<dyn Any>;
[INFO] [stdout]   |      ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `Expr` is never used
[INFO] [stdout]  --> src/expr/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | trait Expr {}
[INFO] [stdout]   |       ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Binary` is never constructed
[INFO] [stdout]  --> src/expr/mod.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 6 | struct Binary {
[INFO] [stdout]   |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl Binary {
[INFO] [stdout]    | ----------- associated function in this implementation
[INFO] [stdout] 13 |     fn new(left: Box<dyn Expr>, operator: Token, right: Box<dyn Expr>, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Grouping` is never constructed
[INFO] [stdout]   --> src/expr/mod.rs:18:8
[INFO] [stdout]    |
[INFO] [stdout] 18 | struct Grouping {
[INFO] [stdout]    |        ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 22 | impl Grouping {
[INFO] [stdout]    | ------------- associated function in this implementation
[INFO] [stdout] 23 |     fn new(expression: Box<dyn Expr>, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Literal` is never constructed
[INFO] [stdout]   --> src/expr/mod.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 | struct Literal {
[INFO] [stdout]    |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:33:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | impl Literal {
[INFO] [stdout]    | ------------ associated function in this implementation
[INFO] [stdout] 33 |     fn new(value: Object, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Unary` is never constructed
[INFO] [stdout]   --> src/expr/mod.rs:38:8
[INFO] [stdout]    |
[INFO] [stdout] 38 | struct Unary {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/expr/mod.rs:44:5
[INFO] [stdout]    |
[INFO] [stdout] 43 | impl Unary {
[INFO] [stdout]    | ---------- associated function in this implementation
[INFO] [stdout] 44 |     fn new(operator: Token, right: Box<dyn Expr>, ) -> Box<Self> {
[INFO] [stdout]    |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.22s
[INFO] running `Command { std: "docker" "inspect" "ec6bdd1a251e5d72f09fe732a9ad7b9ec678ecbc007fbdc12d174eba8792c9da", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec6bdd1a251e5d72f09fe732a9ad7b9ec678ecbc007fbdc12d174eba8792c9da", kill_on_drop: false }`
[INFO] [stdout] ec6bdd1a251e5d72f09fe732a9ad7b9ec678ecbc007fbdc12d174eba8792c9da