[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 try#9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869 for pr-129249
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FKmdell%2Fmonkey-interpreter" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/Kmdell/monkey-interpreter on toolchain 9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5-tc2/source/Cargo.toml
[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" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7cff6f9b18c91d283ac82bdd42e5ec0abaf0ddb6803e83737997d414fe79a686
[INFO] running `Command { std: "docker" "start" "-a" "7cff6f9b18c91d283ac82bdd42e5ec0abaf0ddb6803e83737997d414fe79a686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7cff6f9b18c91d283ac82bdd42e5ec0abaf0ddb6803e83737997d414fe79a686", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7cff6f9b18c91d283ac82bdd42e5ec0abaf0ddb6803e83737997d414fe79a686", kill_on_drop: false }`
[INFO] [stdout] 7cff6f9b18c91d283ac82bdd42e5ec0abaf0ddb6803e83737997d414fe79a686
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+9543f8ea2aae74b8f13ac2a6e6c0ecdca9810869" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e7c19b1fbd456619916f6c143d2bfe11822f6fd947d148c3c8b6945b71c78645
[INFO] running `Command { std: "docker" "start" "-a" "e7c19b1fbd456619916f6c143d2bfe11822f6fd947d148c3c8b6945b71c78645", 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)]` 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: 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)]` 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] error: this conversion is useless `Rc<dyn object::Object>` to `Rc<dyn object::Object>`
[INFO] [stdout]    --> monkey_interpreter_v1/src/evaluator.rs:494:39
[INFO] [stdout]     |
[INFO] [stdout] 494 |             .set(param.value.clone(), args[index].clone().into());
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Box<dyn ast::Expression>` to `Box<dyn ast::Expression>`
[INFO] [stdout]    --> monkey_interpreter_v1/src/parser.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 |         list.push(self.parse_expression(LOWEST as u8).unwrap().into());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Box<dyn ast::Expression>` to `Box<dyn ast::Expression>`
[INFO] [stdout]    --> monkey_interpreter_v1/src/parser.rs:277:23
[INFO] [stdout]     |
[INFO] [stdout] 277 |             list.push(self.parse_expression(LOWEST as u8).unwrap().into());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Rc<&dyn ast::Node>` to `Rc<&dyn ast::Node>`
[INFO] [stdout]   --> monkey_interpreter_v1/src/repl.rs:39:39
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if let Some(evaluated) = eval(program.into_node().into(), env.clone(), builtins.clone()) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey-interpreter-v1` (lib) due to 4 previous errors; 3 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[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)]` 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] error: this conversion is useless `Rc<dyn object::Object>` to `Rc<dyn object::Object>`
[INFO] [stdout]    --> monkey_interpreter_v1/src/evaluator.rs:494:39
[INFO] [stdout]     |
[INFO] [stdout] 494 |             .set(param.value.clone(), args[index].clone().into());
[INFO] [stdout]     |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[deny(self_type_conversion)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Box<dyn ast::Expression>` to `Box<dyn ast::Expression>`
[INFO] [stdout]    --> monkey_interpreter_v1/src/parser.rs:272:19
[INFO] [stdout]     |
[INFO] [stdout] 272 |         list.push(self.parse_expression(LOWEST as u8).unwrap().into());
[INFO] [stdout]     |                   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Box<dyn ast::Expression>` to `Box<dyn ast::Expression>`
[INFO] [stdout]    --> monkey_interpreter_v1/src/parser.rs:277:23
[INFO] [stdout]     |
[INFO] [stdout] 277 |             list.push(self.parse_expression(LOWEST as u8).unwrap().into());
[INFO] [stdout]     |                       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: this conversion is useless `Rc<&dyn ast::Node>` to `Rc<&dyn ast::Node>`
[INFO] [stdout]   --> monkey_interpreter_v1/src/repl.rs:39:39
[INFO] [stdout]    |
[INFO] [stdout] 39 |         if let Some(evaluated) = eval(program.into_node().into(), env.clone(), builtins.clone()) {
[INFO] [stdout]    |                                       ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `monkey-interpreter-v1` (lib test) due to 4 previous errors; 3 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "e7c19b1fbd456619916f6c143d2bfe11822f6fd947d148c3c8b6945b71c78645", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e7c19b1fbd456619916f6c143d2bfe11822f6fd947d148c3c8b6945b71c78645", kill_on_drop: false }`
[INFO] [stdout] e7c19b1fbd456619916f6c143d2bfe11822f6fd947d148c3c8b6945b71c78645