[INFO] cloning repository https://github.com/jeppester/rust-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jeppester/rust-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44300ad7f3aea5816bf6b9834fbf5eb21cb7e539
[INFO] testing jeppester/rust-interpreter against master#cdb45c87e2cd43495379f7e867e3cc15dcee9f93 for pr-145838-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjeppester%2Frust-interpreter" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/jeppester/rust-interpreter
[INFO] finished tweaking git repo https://github.com/jeppester/rust-interpreter
[INFO] tweaked toml for git repo https://github.com/jeppester/rust-interpreter written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/jeppester/rust-interpreter on toolchain cdb45c87e2cd43495379f7e867e3cc15dcee9f93
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/jeppester/rust-interpreter 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" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "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-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16c62d8f3a03b1ec40c14345475d1c07c6cf0f0b2193b2a83f2febf1529cf425
[INFO] running `Command { std: "docker" "start" "-a" "16c62d8f3a03b1ec40c14345475d1c07c6cf0f0b2193b2a83f2febf1529cf425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16c62d8f3a03b1ec40c14345475d1c07c6cf0f0b2193b2a83f2febf1529cf425", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16c62d8f3a03b1ec40c14345475d1c07c6cf0f0b2193b2a83f2febf1529cf425", kill_on_drop: false }`
[INFO] [stdout] 16c62d8f3a03b1ec40c14345475d1c07c6cf0f0b2193b2a83f2febf1529cf425
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] dd045669edfc4892afd35c80b4f59dc86ef6152a19ff3eee490ec291e5103ff7
[INFO] running `Command { std: "docker" "start" "-a" "dd045669edfc4892afd35c80b4f59dc86ef6152a19ff3eee490ec291e5103ff7", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused macro definition: `match_or_fail`
[INFO] [stdout]  --> src/test_support/mod.rs:2:14
[INFO] [stdout]   |
[INFO] [stdout] 2 | macro_rules! match_or_fail {
[INFO] [stdout]   |              ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_macros)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/mod.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Expression {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 45 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 59 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BlockStatement` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Statement {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 79 |   BlockStatement(BlockStatement),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/mod.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Statement {
[INFO] [stdout]    | -------------- methods in this implementation
[INFO] [stdout] 83 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `token_literal` and `to_string` are never used
[INFO] [stdout]    --> src/ast/mod.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Program {
[INFO] [stdout]     | ------------ methods in this implementation
[INFO] [stdout] 108 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 116 |   pub fn to_string(&self) -> String {
[INFO] [stdout]     |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/block_statement.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BlockStatement {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BlockStatement` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/block_statement.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BlockStatement {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 11 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/boolean_literal.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct BooleanLiteral {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 5 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BooleanLiteral` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/boolean_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BooleanLiteral {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/call_expression.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CallExpression {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CallExpression` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/call_expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CallExpression {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/function_literal.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct FunctionLiteral {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 7 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `FunctionLiteral` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/function_literal.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FunctionLiteral {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/identifier.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct Identifier {
[INFO] [stdout]   |            ---------- field in this struct
[INFO] [stdout] 5 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `Identifier` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/identifier.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Identifier {
[INFO] [stdout]    | --------------- methods in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/if_expression.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct IfExpression {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 7 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IfExpression` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/if_expression.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl IfExpression {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 14 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/infix_expression.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct InfixExpression {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `InfixExpression` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/infix_expression.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl InfixExpression {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 17 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/integer_literal.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct IntegerLiteral {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 5 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IntegerLiteral` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/integer_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl IntegerLiteral {
[INFO] [stdout]    | ------------------- methods in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/let_statement.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub struct LetStatement {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 8 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `LetStatement` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/let_statement.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl LetStatement {
[INFO] [stdout]    | ----------------- methods in this implementation
[INFO] [stdout] 14 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 18 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/prefix_expression.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PrefixExpression {
[INFO] [stdout]   |            ---------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PrefixExpression` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/prefix_expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl PrefixExpression {
[INFO] [stdout]    | --------------------- methods in this implementation
[INFO] [stdout] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/return_statement.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct ReturnStatement {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ReturnStatement` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/return_statement.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl ReturnStatement {
[INFO] [stdout]    | -------------------- methods in this implementation
[INFO] [stdout] 11 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 15 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/string_literal.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub struct StringLiteral {
[INFO] [stdout]   |            ------------- field in this struct
[INFO] [stdout] 5 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `StringLiteral` 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: methods `token_literal` and `to_string` are never used
[INFO] [stdout]   --> src/ast/string_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl StringLiteral {
[INFO] [stdout]    | ------------------ methods in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 14 |   pub fn to_string(&self) -> String {
[INFO] [stdout]    |          ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "dd045669edfc4892afd35c80b4f59dc86ef6152a19ff3eee490ec291e5103ff7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "dd045669edfc4892afd35c80b4f59dc86ef6152a19ff3eee490ec291e5103ff7", kill_on_drop: false }`
[INFO] [stdout] dd045669edfc4892afd35c80b4f59dc86ef6152a19ff3eee490ec291e5103ff7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 455751584eed8f4a8b67ad199138087c37ca863dd2fbab565e431394de742e54
[INFO] running `Command { std: "docker" "start" "-a" "455751584eed8f4a8b67ad199138087c37ca863dd2fbab565e431394de742e54", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/test_support/mod.rs:6:7
[INFO] [stdout]     |
[INFO] [stdout]   6 |       ref e => panic!("Expected match for:\n\t{}\nGot:\n\t{:?}", stringify!($matcher), e),
[INFO] [stdout]     |       ^^^^^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout]    ::: src/eval/tests.rs:247:47
[INFO] [stdout]     |
[INFO] [stdout] 247 |     let error_message = match_or_fail!(error, EvalError(m) => m);
[INFO] [stdout]     |                         ----------------------------------------
[INFO] [stdout]     |                         |                     |
[INFO] [stdout]     |                         |                     matches any value
[INFO] [stdout]     |                         in this macro invocation
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout]     = note: this warning originates in the macro `match_or_fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/mod.rs:45:10
[INFO] [stdout]    |
[INFO] [stdout] 44 | impl Expression {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 45 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BlockStatement` is never constructed
[INFO] [stdout]   --> src/ast/mod.rs:79:3
[INFO] [stdout]    |
[INFO] [stdout] 75 | pub enum Statement {
[INFO] [stdout]    |          --------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 79 |   BlockStatement(BlockStatement),
[INFO] [stdout]    |   ^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Statement` 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: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/mod.rs:83:10
[INFO] [stdout]    |
[INFO] [stdout] 82 | impl Statement {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] 83 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]    --> src/ast/mod.rs:108:10
[INFO] [stdout]     |
[INFO] [stdout] 107 | impl Program {
[INFO] [stdout]     | ------------ method in this implementation
[INFO] [stdout] 108 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]     |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/block_statement.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct BlockStatement {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `BlockStatement` 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: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/block_statement.rs:11:10
[INFO] [stdout]    |
[INFO] [stdout] 10 | impl BlockStatement {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 11 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/boolean_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl BooleanLiteral {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/call_expression.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct CallExpression {
[INFO] [stdout]   |            -------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `CallExpression` 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: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/call_expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CallExpression {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/function_literal.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl FunctionLiteral {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/identifier.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl Identifier {
[INFO] [stdout]    | --------------- method in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/if_expression.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct IfExpression {
[INFO] [stdout]   |            ------------ field in this struct
[INFO] [stdout] 7 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `IfExpression` 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: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/if_expression.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 13 | impl IfExpression {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] 14 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/infix_expression.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct InfixExpression {
[INFO] [stdout]   |            --------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `InfixExpression` 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: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/infix_expression.rs:13:10
[INFO] [stdout]    |
[INFO] [stdout] 12 | impl InfixExpression {
[INFO] [stdout]    | -------------------- method in this implementation
[INFO] [stdout] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/integer_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl IntegerLiteral {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]  --> src/ast/prefix_expression.rs:6:7
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct PrefixExpression {
[INFO] [stdout]   |            ---------------- field in this struct
[INFO] [stdout] 6 |   pub token: Token,
[INFO] [stdout]   |       ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `PrefixExpression` 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: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/prefix_expression.rs:12:10
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl PrefixExpression {
[INFO] [stdout]    | --------------------- method in this implementation
[INFO] [stdout] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `token_literal` is never used
[INFO] [stdout]   --> src/ast/string_literal.rs:10:10
[INFO] [stdout]    |
[INFO] [stdout]  9 | impl StringLiteral {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stdout]    |          ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 1.48s
[INFO] running `Command { std: "docker" "inspect" "455751584eed8f4a8b67ad199138087c37ca863dd2fbab565e431394de742e54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "455751584eed8f4a8b67ad199138087c37ca863dd2fbab565e431394de742e54", kill_on_drop: false }`
[INFO] [stdout] 455751584eed8f4a8b67ad199138087c37ca863dd2fbab565e431394de742e54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+cdb45c87e2cd43495379f7e867e3cc15dcee9f93" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] bb4f588347f2a404f6a9b6a6d7d60fae75447ec44ec1ccdb4f29dba72e501496
[INFO] running `Command { std: "docker" "start" "-a" "bb4f588347f2a404f6a9b6a6d7d60fae75447ec44ec1ccdb4f29dba72e501496", kill_on_drop: false }`
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/test_support/mod.rs:6:7
[INFO] [stderr]     |
[INFO] [stderr]   6 |       ref e => panic!("Expected match for:\n\t{}\nGot:\n\t{:?}", stringify!($matcher), e),
[INFO] [stderr]     |       ^^^^^ no value can reach this
[INFO] [stderr]     |
[INFO] [stderr]    ::: src/eval/tests.rs:247:47
[INFO] [stderr]     |
[INFO] [stderr] 247 |     let error_message = match_or_fail!(error, EvalError(m) => m);
[INFO] [stderr]     |                         ----------------------------------------
[INFO] [stderr]     |                         |                     |
[INFO] [stderr]     |                         |                     matches any value
[INFO] [stderr]     |                         in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr]     = note: this warning originates in the macro `match_or_fail` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/mod.rs:45:10
[INFO] [stderr]    |
[INFO] [stderr] 44 | impl Expression {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 45 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `BlockStatement` is never constructed
[INFO] [stderr]   --> src/ast/mod.rs:79:3
[INFO] [stderr]    |
[INFO] [stderr] 75 | pub enum Statement {
[INFO] [stderr]    |          --------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 79 |   BlockStatement(BlockStatement),
[INFO] [stderr]    |   ^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Statement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/mod.rs:83:10
[INFO] [stderr]    |
[INFO] [stderr] 82 | impl Statement {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] 83 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]    --> src/ast/mod.rs:108:10
[INFO] [stderr]     |
[INFO] [stderr] 107 | impl Program {
[INFO] [stderr]     | ------------ method in this implementation
[INFO] [stderr] 108 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]     |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `token` is never read
[INFO] [stderr]  --> src/ast/block_statement.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct BlockStatement {
[INFO] [stderr]   |            -------------- field in this struct
[INFO] [stderr] 6 |   pub token: Token,
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `BlockStatement` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/block_statement.rs:11:10
[INFO] [stderr]    |
[INFO] [stderr] 10 | impl BlockStatement {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 11 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/boolean_literal.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl BooleanLiteral {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `token` is never read
[INFO] [stderr]  --> src/ast/call_expression.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct CallExpression {
[INFO] [stderr]   |            -------------- field in this struct
[INFO] [stderr] 6 |   pub token: Token,
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `CallExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/call_expression.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl CallExpression {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/function_literal.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl FunctionLiteral {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/identifier.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl Identifier {
[INFO] [stderr]    | --------------- method in this implementation
[INFO] [stderr] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `token` is never read
[INFO] [stderr]  --> src/ast/if_expression.rs:7:7
[INFO] [stderr]   |
[INFO] [stderr] 6 | pub struct IfExpression {
[INFO] [stderr]   |            ------------ field in this struct
[INFO] [stderr] 7 |   pub token: Token,
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `IfExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/if_expression.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 13 | impl IfExpression {
[INFO] [stderr]    | ----------------- method in this implementation
[INFO] [stderr] 14 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `token` is never read
[INFO] [stderr]  --> src/ast/infix_expression.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct InfixExpression {
[INFO] [stderr]   |            --------------- field in this struct
[INFO] [stderr] 6 |   pub token: Token,
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `InfixExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/infix_expression.rs:13:10
[INFO] [stderr]    |
[INFO] [stderr] 12 | impl InfixExpression {
[INFO] [stderr]    | -------------------- method in this implementation
[INFO] [stderr] 13 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/integer_literal.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl IntegerLiteral {
[INFO] [stderr]    | ------------------- method in this implementation
[INFO] [stderr] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `token` is never read
[INFO] [stderr]  --> src/ast/prefix_expression.rs:6:7
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct PrefixExpression {
[INFO] [stderr]   |            ---------------- field in this struct
[INFO] [stderr] 6 |   pub token: Token,
[INFO] [stderr]   |       ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `PrefixExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/prefix_expression.rs:12:10
[INFO] [stderr]    |
[INFO] [stderr] 11 | impl PrefixExpression {
[INFO] [stderr]    | --------------------- method in this implementation
[INFO] [stderr] 12 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `token_literal` is never used
[INFO] [stderr]   --> src/ast/string_literal.rs:10:10
[INFO] [stderr]    |
[INFO] [stderr]  9 | impl StringLiteral {
[INFO] [stderr]    | ------------------ method in this implementation
[INFO] [stderr] 10 |   pub fn token_literal(&self) -> Literal {
[INFO] [stderr]    |          ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey-interpreter` (bin "monkey-interpreter" test) generated 20 warnings
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stdout] 
[INFO] [stdout] running 26 tests
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey_interpreter-2844125260578b0b)
[INFO] [stdout] test ast::tests::test_to_string ... ok
[INFO] [stdout] test eval::tests::test_error_handling ... ok
[INFO] [stdout] test eval::tests::test_eval_boolean_expression ... ok
[INFO] [stdout] test eval::tests::test_eval_bang_operator ... ok
[INFO] [stdout] test eval::tests::test_eval_return_statements ... ok
[INFO] [stdout] test eval::tests::test_eval_if_expression ... ok
[INFO] [stdout] test eval::tests::test_eval_string_literal_expression ... ok
[INFO] [stdout] test eval::tests::test_let_statements ... ok
[INFO] [stdout] test eval::tests::test_eval_integer_expression ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test eval::tests::test_string_concatenation ... ok
[INFO] [stdout] test parser::tests::test_boolean_expression ... ok
[INFO] [stdout] test parser::tests::test_call_expression ... ok
[INFO] [stdout] test parser::tests::test_function_literal ... ok
[INFO] [stdout] test parser::tests::test_if_else_expression ... ok
[INFO] [stdout] test parser::tests::test_function_parameter_parsing ... ok
[INFO] [stdout] test parser::tests::test_if_expression ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... ok
[INFO] [stdout] test eval::tests::test_function_calls ... ok
[INFO] [stdout] test parser::tests::test_prefix_expressions ... ok
[INFO] [stdout] test parser::tests::test_return_statements ... ok
[INFO] [stdout] test parser::tests::test_infix_expressions ... ok
[INFO] [stdout] test parser::tests::test_string_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 26 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.01s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "bb4f588347f2a404f6a9b6a6d7d60fae75447ec44ec1ccdb4f29dba72e501496", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bb4f588347f2a404f6a9b6a6d7d60fae75447ec44ec1ccdb4f29dba72e501496", kill_on_drop: false }`
[INFO] [stdout] bb4f588347f2a404f6a9b6a6d7d60fae75447ec44ec1ccdb4f29dba72e501496