[INFO] cloning repository https://github.com/Kmdell/monkey-interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Kmdell/monkey-interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmdell%2Fmonkey-interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmdell%2Fmonkey-interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 91fc827c24a40944d27298e66eca10897e59f0dc
[INFO] checking Kmdell/monkey-interpreter against 5c543b0b8c73c7b72bc8284ced4fb22ead15734d for pr-160186
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmdell%2Fmonkey-interpreter" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Kmdell/monkey-interpreter
[INFO] finished tweaking git repo https://github.com/Kmdell/monkey-interpreter
[INFO] tweaked toml for git repo https://github.com/Kmdell/monkey-interpreter written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Kmdell/monkey-interpreter on toolchain 5c543b0b8c73c7b72bc8284ced4fb22ead15734d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Kmdell/monkey-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" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded wasm-bindgen-backend v0.2.87
[INFO] [stderr]   Downloaded js-sys v0.3.64
[INFO] [stderr]   Downloaded proc-macro2 v1.0.63
[INFO] [stderr]   Downloaded log v0.4.19
[INFO] [stderr]   Downloaded bumpalo v3.13.0
[INFO] [stderr]   Downloaded wasm-bindgen-shared v0.2.87
[INFO] [stderr]   Downloaded quote v1.0.29
[INFO] [stderr]   Downloaded wasm-bindgen v0.2.87
[INFO] [stderr]   Downloaded syn v2.0.22
[INFO] [stderr]   Downloaded web-sys v0.3.64
[INFO] [stderr]   Downloaded whoami v1.4.1
[INFO] [stderr]   Downloaded wasm-bindgen-macro v0.2.87
[INFO] [stderr]   Downloaded wasm-bindgen-macro-support v0.2.87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd
[INFO] running `Command { std: "docker" "start" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-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" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd" "/opt/rustwide/cargo-home/bin/cargo" "+5c543b0b8c73c7b72bc8284ced4fb22ead15734d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr]     Checking whoami v1.4.1
[INFO] [stderr]     Checking monkey-interpreter-v1 v0.1.0 (/opt/rustwide/workdir/monkey_interpreter_v1)
[INFO] [stderr]     Checking monkey-interpreter-v2 v0.1.0 (/opt/rustwide/workdir/monkey_interpreter_v2)
[INFO] [stdout] warning: unused import: `collections::HashMap`
[INFO] [stdout]  --> monkey_interpreter_v2/src/evaluator/test_evaluator.rs:1:26
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, collections::HashMap, rc::Rc};
[INFO] [stdout]   |                          ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `rc::Rc`
[INFO] [stdout]  --> monkey_interpreter_v2/src/parser/parser_test.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     rc::Rc,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::*`
[INFO] [stdout]  --> monkey_interpreter_v1/src/parser/parser_test.rs:1:13
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ast::*, parser::*};
[INFO] [stdout]   |             ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> monkey_interpreter_v2/src/object.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Builtin(BuiltinFn),
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> monkey_interpreter_v2/src/object.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
[INFO] [stdout]    |                                                   --- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Builtin(BuiltinFn),
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_hash` is never used
[INFO] [stdout]   --> monkey_interpreter_v1/src/ast.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait Node {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn into_hash(&self) -> Result<&HashLiteral, 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: method `statement_node` is never used
[INFO] [stdout]   --> monkey_interpreter_v1/src/ast.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait Statement: Node {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] 62 |     fn statement_node(&self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression_node` is never used
[INFO] [stdout]   --> monkey_interpreter_v1/src/ast.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 66 |     fn expression_node(&self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashLiteral` is never constructed
[INFO] [stdout]    --> monkey_interpreter_v1/src/ast.rs:563:12
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub struct HashLiteral {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> monkey_interpreter_v2/src/object.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
[INFO] [stdout]    |                        --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Builtin(BuiltinFn),
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> monkey_interpreter_v2/src/object.rs:22:13
[INFO] [stdout]    |
[INFO] [stdout] 15 | #[derive(Debug, Clone, PartialEq, Eq, PartialOrd, Ord)]
[INFO] [stdout]    |                                                   --- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 22 |     Builtin(BuiltinFn),
[INFO] [stdout]    |             ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `into_hash` is never used
[INFO] [stdout]   --> monkey_interpreter_v1/src/ast.rs:55:8
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub trait Node {
[INFO] [stdout]    |           ---- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 55 |     fn into_hash(&self) -> Result<&HashLiteral, 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: method `statement_node` is never used
[INFO] [stdout]   --> monkey_interpreter_v1/src/ast.rs:62:8
[INFO] [stdout]    |
[INFO] [stdout] 61 | pub trait Statement: Node {
[INFO] [stdout]    |           --------- method in this trait
[INFO] [stdout] 62 |     fn statement_node(&self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression_node` is never used
[INFO] [stdout]   --> monkey_interpreter_v1/src/ast.rs:66:8
[INFO] [stdout]    |
[INFO] [stdout] 65 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 66 |     fn expression_node(&self) {}
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `HashLiteral` is never constructed
[INFO] [stdout]    --> monkey_interpreter_v1/src/ast.rs:563:12
[INFO] [stdout]     |
[INFO] [stdout] 563 | pub struct HashLiteral {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.13s
[INFO] running `Command { std: "docker" "inspect" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd", kill_on_drop: false }`
[INFO] [stdout] 9d305eceb7f0e4ab741d849de0cf14e6d05d51ba5a8f6a679016a0407317c5fd
