[INFO] cloning repository https://github.com/MarcHoff94/monkey
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MarcHoff94/monkey" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcHoff94%2Fmonkey", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcHoff94%2Fmonkey'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6a6fed46dfe1fc21fb1b6cb8b0190e979c861f9f
[INFO] checking MarcHoff94/monkey/6a6fed46dfe1fc21fb1b6cb8b0190e979c861f9f against master#ab869e094a907cc5d19b4080f22eccaf347f1f95 for pr-129604
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMarcHoff94%2Fmonkey" "/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/MarcHoff94/monkey on toolchain ab869e094a907cc5d19b4080f22eccaf347f1f95
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MarcHoff94/monkey
[INFO] finished tweaking git repo https://github.com/MarcHoff94/monkey
[INFO] tweaked toml for git repo https://github.com/MarcHoff94/monkey written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MarcHoff94/monkey 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" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] e1634178a68082d85c0d5609dbe6aba4957e2fda67e83da3983b2f393762c815
[INFO] running `Command { std: "docker" "start" "-a" "e1634178a68082d85c0d5609dbe6aba4957e2fda67e83da3983b2f393762c815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e1634178a68082d85c0d5609dbe6aba4957e2fda67e83da3983b2f393762c815", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1634178a68082d85c0d5609dbe6aba4957e2fda67e83da3983b2f393762c815", kill_on_drop: false }`
[INFO] [stdout] e1634178a68082d85c0d5609dbe6aba4957e2fda67e83da3983b2f393762c815
[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" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+ab869e094a907cc5d19b4080f22eccaf347f1f95" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f176845bc82391b0772f120d6d33e5c5ef20a50e7e31ac56a65f6d32c2311df5
[INFO] running `Command { std: "docker" "start" "-a" "f176845bc82391b0772f120d6d33e5c5ef20a50e7e31ac56a65f6d32c2311df5", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `MonkeyExpr`
[INFO] [stdout]  --> src/parser.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast::{MonkeyExpr, MonkeyExpression, Programm, Statement};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/object.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::{Ref, RefCell}, collections::HashMap, fmt::Debug, rc::Rc};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `MonkeyExpr`
[INFO] [stdout]  --> src/parser.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::ast::{MonkeyExpr, MonkeyExpression, Programm, Statement};
[INFO] [stdout]   |                  ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/object.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::{Ref, RefCell}, collections::HashMap, fmt::Debug, rc::Rc};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/repl.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let program = monkey_parser.parse_programm();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `program`
[INFO] [stdout]   --> src/repl.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 22 |         let program = monkey_parser.parse_programm();
[INFO] [stdout]    |             ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_program`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         _ => panic!("Unknown Expression {:#?}", expr),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         MonkeyExpression::INTEGERLITERAL(x) => Ok(eval_integer_literal(x)),
[INFO] [stdout]    |         ----------------------------------- matches some of the same values
[INFO] [stdout] 48 |         MonkeyExpression::BOOLEAN(x) => Ok(eval_bool(x)),
[INFO] [stdout]    |         ---------------------------- matches some of the same values
[INFO] [stdout] 49 |         MonkeyExpression::PREFIX(x) => eval_prefix_expr(&x.operator, *x.right, Rc::clone(&env)),
[INFO] [stdout]    |         --------------------------- matches some of the same values
[INFO] [stdout] 50 |         MonkeyExpression::INFIX(x) => eval_infix_expr(x.operator.as_str(), *x.left, *x.right, Rc::clone(&env)),
[INFO] [stdout]    |         -------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |         _ => panic!("Unknown Expression {:#?}", expr),
[INFO] [stdout]    |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/evaluator.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |         MonkeyObject::NULL(x) => MonkeyObject::BOOLEAN(Bool { value: true }),
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/evaluator.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 55 |         _ => panic!("Unknown Expression {:#?}", expr),
[INFO] [stdout]    |         ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]   --> src/evaluator.rs:55:9
[INFO] [stdout]    |
[INFO] [stdout] 47 |         MonkeyExpression::INTEGERLITERAL(x) => Ok(eval_integer_literal(x)),
[INFO] [stdout]    |         ----------------------------------- matches some of the same values
[INFO] [stdout] 48 |         MonkeyExpression::BOOLEAN(x) => Ok(eval_bool(x)),
[INFO] [stdout]    |         ---------------------------- matches some of the same values
[INFO] [stdout] 49 |         MonkeyExpression::PREFIX(x) => eval_prefix_expr(&x.operator, *x.right, Rc::clone(&env)),
[INFO] [stdout]    |         --------------------------- matches some of the same values
[INFO] [stdout] 50 |         MonkeyExpression::INFIX(x) => eval_infix_expr(x.operator.as_str(), *x.left, *x.right, Rc::clone(&env)),
[INFO] [stdout]    |         -------------------------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 55 |         _ => panic!("Unknown Expression {:#?}", expr),
[INFO] [stdout]    |         ^ ...and 4 other patterns collectively make this unreachable
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/evaluator.rs:83:28
[INFO] [stdout]    |
[INFO] [stdout] 83 |         MonkeyObject::NULL(x) => MonkeyObject::BOOLEAN(Bool { value: true }),
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/evaluator.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |    let func =  match function {
[INFO] [stdout]     |        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/evaluator.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let args = eval_expr_list(arguments, Rc::clone(&env));
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `func`
[INFO] [stdout]    --> src/evaluator.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 162 |    let func =  match function {
[INFO] [stdout]     |        ^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/evaluator.rs:167:9
[INFO] [stdout]     |
[INFO] [stdout] 167 |     let args = eval_expr_list(arguments, Rc::clone(&env));
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_tokens` is never used
[INFO] [stdout]   --> src/repl.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn create_tokens(monkey_lexer: &mut Lexer) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_program` is never used
[INFO] [stdout]   --> src/ast.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl Programm {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 99 |     fn print_program(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `create_tokens` is never used
[INFO] [stdout]   --> src/repl.rs:49:4
[INFO] [stdout]    |
[INFO] [stdout] 49 | fn create_tokens(monkey_lexer: &mut Lexer) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `print_program` is never used
[INFO] [stdout]   --> src/ast.rs:99:8
[INFO] [stdout]    |
[INFO] [stdout] 98 | impl Programm {
[INFO] [stdout]    | ------------- method in this implementation
[INFO] [stdout] 99 |     fn print_program(&self) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.23s
[INFO] running `Command { std: "docker" "inspect" "f176845bc82391b0772f120d6d33e5c5ef20a50e7e31ac56a65f6d32c2311df5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f176845bc82391b0772f120d6d33e5c5ef20a50e7e31ac56a65f6d32c2311df5", kill_on_drop: false }`
[INFO] [stdout] f176845bc82391b0772f120d6d33e5c5ef20a50e7e31ac56a65f6d32c2311df5