[INFO] cloning repository https://github.com/dust347/monkey_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/dust347/monkey_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust347%2Fmonkey_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust347%2Fmonkey_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 7777d6669cd4091edf32ecd8545a18b7b623c602
[INFO] testing dust347/monkey_rust against master#d98a5da813da67eb189387b8ccfb73cf481275d8+rustflags=-Copt-level=3 for pr-138759
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust347%2Fmonkey_rust" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/dust347/monkey_rust
[INFO] finished tweaking git repo https://github.com/dust347/monkey_rust
[INFO] tweaked toml for git repo https://github.com/dust347/monkey_rust written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dust347/monkey_rust on toolchain d98a5da813da67eb189387b8ccfb73cf481275d8
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/dust347/monkey_rust 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" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 110736822eb8979a5415206326335ab27dd9ed88b2a6f502e73f97f9e3f8ffbf
[INFO] running `Command { std: "docker" "start" "-a" "110736822eb8979a5415206326335ab27dd9ed88b2a6f502e73f97f9e3f8ffbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "110736822eb8979a5415206326335ab27dd9ed88b2a6f502e73f97f9e3f8ffbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "110736822eb8979a5415206326335ab27dd9ed88b2a6f502e73f97f9e3f8ffbf", kill_on_drop: false }`
[INFO] [stdout] 110736822eb8979a5415206326335ab27dd9ed88b2a6f502e73f97f9e3f8ffbf
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d4aa0bbe6627ab46fa6a42f106e15b91ffbd26d47758aa8b55fd323d2463ce9a
[INFO] running `Command { std: "docker" "start" "-a" "d4aa0bbe6627ab46fa6a42f106e15b91ffbd26d47758aa8b55fd323d2463ce9a", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]    --> src/ast/mod.rs:432:9
[INFO] [stdout]     |
[INFO] [stdout] 432 |     use super::*;
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::TokenType`
[INFO] [stdout]    --> src/ast/mod.rs:433:9
[INFO] [stdout]     |
[INFO] [stdout] 433 |     use crate::token::TokenType;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `f64::NAN` and `fmt::format`
[INFO] [stdout]  --> src/parser/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, f64::NAN, fmt::format};
[INFO] [stdout]   |                                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `prefix_parse_fn` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type prefix_parse_fn = fn(&mut Parser) -> Option<Box<dyn Expression>>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrefixParseFn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `infix_parse_fn` should have an upper camel case name
[INFO] [stdout]   --> src/parser/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type infix_parse_fn = fn(&mut Parser, Option<Box<dyn Expression>>) -> Option<Box<dyn Expression>>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InfixParseFn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `ast::Program` and `lexer::Lexer`
[INFO] [stdout]    --> src/parser/mod.rs:470:16
[INFO] [stdout]     |
[INFO] [stdout] 470 |     use self::{ast::Program, lexer::Lexer};
[INFO] [stdout]     |                ^^^^^^^^^^^^  ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `new_fn` should have an upper camel case name
[INFO] [stdout]    --> src/parser/mod.rs:555:10
[INFO] [stdout]     |
[INFO] [stdout] 555 |     type new_fn = fn(i32, i32) -> i32;
[INFO] [stdout]     |          ^^^^^^ help: convert the identifier to upper camel case: `NewFn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> src/repl/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::{self, Parser};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::TokenType`
[INFO] [stdout]  --> src/repl/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     token::TokenType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `statement_node` is never used
[INFO] [stdout]  --> src/ast/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Statement: Node {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 8 |     fn statement_node(&self);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression_node` is never used
[INFO] [stdout]   --> src/ast/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 12 |     fn expression_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/ast/mod.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 294 | pub struct Boolean {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 295 |     pub token: Token,
[INFO] [stdout] 296 |     pub value: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `check_parse_errors` is never used
[INFO] [stdout]    --> src/parser/mod.rs:527:8
[INFO] [stdout]     |
[INFO] [stdout] 527 |     fn check_parse_errors(p: &Parser) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `add` is never used
[INFO] [stdout]    --> src/parser/mod.rs:551:8
[INFO] [stdout]     |
[INFO] [stdout] 551 |     fn add(i: i32, j: i32) -> i32 {
[INFO] [stdout]     |        ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `new_fn` is never used
[INFO] [stdout]    --> src/parser/mod.rs:555:10
[INFO] [stdout]     |
[INFO] [stdout] 555 |     type new_fn = fn(i32, i32) -> i32;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Expected` is never constructed
[INFO] [stdout]    --> src/parser/mod.rs:569:12
[INFO] [stdout]     |
[INFO] [stdout] 569 |     struct Expected<'a> {
[INFO] [stdout]     |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]    --> src/parser/mod.rs:575:12
[INFO] [stdout]     |
[INFO] [stdout] 574 |     impl<'a> Expected<'a> {
[INFO] [stdout]     |     --------------------- associated function in this implementation
[INFO] [stdout] 575 |         fn new(input: &'a str, expected: &'a str) -> Expected<'a> {
[INFO] [stdout]     |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser/mod.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stdout]    |                    ^^                      ------ the lifetime gets resolved as `'a`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser<'a> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `leftExp` should have a snake case name
[INFO] [stdout]    --> src/parser/mod.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let mut leftExp = prefix(self);
[INFO] [stdout]     |                         ^^^^^^^ help: convert the identifier to snake case: `left_exp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.76s
[INFO] running `Command { std: "docker" "inspect" "d4aa0bbe6627ab46fa6a42f106e15b91ffbd26d47758aa8b55fd323d2463ce9a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4aa0bbe6627ab46fa6a42f106e15b91ffbd26d47758aa8b55fd323d2463ce9a", kill_on_drop: false }`
[INFO] [stdout] d4aa0bbe6627ab46fa6a42f106e15b91ffbd26d47758aa8b55fd323d2463ce9a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5dd488c0239f1e8034c16dbf135e44409578800b3d505e6f5534f259bd492209
[INFO] running `Command { std: "docker" "start" "-a" "5dd488c0239f1e8034c16dbf135e44409578800b3d505e6f5534f259bd492209", kill_on_drop: false }`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `f64::NAN` and `fmt::format`
[INFO] [stdout]  --> src/parser/mod.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{collections::HashMap, f64::NAN, fmt::format};
[INFO] [stdout]   |                                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `prefix_parse_fn` should have an upper camel case name
[INFO] [stdout]  --> src/parser/mod.rs:9:6
[INFO] [stdout]   |
[INFO] [stdout] 9 | type prefix_parse_fn = fn(&mut Parser) -> Option<Box<dyn Expression>>;
[INFO] [stdout]   |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrefixParseFn`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `infix_parse_fn` should have an upper camel case name
[INFO] [stdout]   --> src/parser/mod.rs:10:6
[INFO] [stdout]    |
[INFO] [stdout] 10 | type infix_parse_fn = fn(&mut Parser, Option<Box<dyn Expression>>) -> Option<Box<dyn Expression>>;
[INFO] [stdout]    |      ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InfixParseFn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::Program`
[INFO] [stdout]    --> src/parser/mod.rs:470:16
[INFO] [stdout]     |
[INFO] [stdout] 470 |     use self::{ast::Program, lexer::Lexer};
[INFO] [stdout]     |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type `new_fn` should have an upper camel case name
[INFO] [stdout]    --> src/parser/mod.rs:555:10
[INFO] [stdout]     |
[INFO] [stdout] 555 |     type new_fn = fn(i32, i32) -> i32;
[INFO] [stdout]     |          ^^^^^^ help: convert the identifier to upper camel case: `NewFn`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Parser`
[INFO] [stdout]  --> src/repl/mod.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::parser::{self, Parser};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `token::TokenType`
[INFO] [stdout]  --> src/repl/mod.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     token::TokenType,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/parser/mod.rs:484:13
[INFO] [stdout]     |
[INFO] [stdout] 484 |         let mut program = p.parse_program();
[INFO] [stdout]     |             ----^^^^^^^
[INFO] [stdout]     |             |
[INFO] [stdout]     |             help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `statement_node` is never used
[INFO] [stdout]  --> src/ast/mod.rs:8:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub trait Statement: Node {
[INFO] [stdout]   |           --------- method in this trait
[INFO] [stdout] 8 |     fn statement_node(&self);
[INFO] [stdout]   |        ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `expression_node` is never used
[INFO] [stdout]   --> src/ast/mod.rs:12:8
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub trait Expression: Node {
[INFO] [stdout]    |           ---------- method in this trait
[INFO] [stdout] 12 |     fn expression_node(&self);
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]    --> src/ast/mod.rs:296:9
[INFO] [stdout]     |
[INFO] [stdout] 294 | pub struct Boolean {
[INFO] [stdout]     |            ------- field in this struct
[INFO] [stdout] 295 |     pub token: Token,
[INFO] [stdout] 296 |     pub value: bool,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `new_fn` is never used
[INFO] [stdout]    --> src/parser/mod.rs:555:10
[INFO] [stdout]     |
[INFO] [stdout] 555 |     type new_fn = fn(i32, i32) -> i32;
[INFO] [stdout]     |          ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stdout]   --> src/parser/mod.rs:48:20
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stdout]    |                    ^^                      ------ the lifetime gets resolved as `'a`
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    this lifetime flows to the output
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: one option is to consistently use `'a`
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser<'a> {
[INFO] [stdout]    |                                                  ++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `leftExp` should have a snake case name
[INFO] [stdout]    --> src/parser/mod.rs:166:25
[INFO] [stdout]     |
[INFO] [stdout] 166 |                 let mut leftExp = prefix(self);
[INFO] [stdout]     |                         ^^^^^^^ help: convert the identifier to snake case: `left_exp`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 2.25s
[INFO] running `Command { std: "docker" "inspect" "5dd488c0239f1e8034c16dbf135e44409578800b3d505e6f5534f259bd492209", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5dd488c0239f1e8034c16dbf135e44409578800b3d505e6f5534f259bd492209", kill_on_drop: false }`
[INFO] [stdout] 5dd488c0239f1e8034c16dbf135e44409578800b3d505e6f5534f259bd492209
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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 -Copt-level=3" "-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+d98a5da813da67eb189387b8ccfb73cf481275d8" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 466ebcf7276d0cdbe24b9ca0f23336d42a601e37f91bc9c741a88367e555954e
[INFO] running `Command { std: "docker" "start" "-a" "466ebcf7276d0cdbe24b9ca0f23336d42a601e37f91bc9c741a88367e555954e", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `f64::NAN` and `fmt::format`
[INFO] [stderr]  --> src/parser/mod.rs:1:33
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{collections::HashMap, f64::NAN, fmt::format};
[INFO] [stderr]   |                                 ^^^^^^^^  ^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `prefix_parse_fn` should have an upper camel case name
[INFO] [stderr]  --> src/parser/mod.rs:9:6
[INFO] [stderr]   |
[INFO] [stderr] 9 | type prefix_parse_fn = fn(&mut Parser) -> Option<Box<dyn Expression>>;
[INFO] [stderr]   |      ^^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `PrefixParseFn`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: type `infix_parse_fn` should have an upper camel case name
[INFO] [stderr]   --> src/parser/mod.rs:10:6
[INFO] [stderr]    |
[INFO] [stderr] 10 | type infix_parse_fn = fn(&mut Parser, Option<Box<dyn Expression>>) -> Option<Box<dyn Expression>>;
[INFO] [stderr]    |      ^^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `InfixParseFn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ast::Program`
[INFO] [stderr]    --> src/parser/mod.rs:470:16
[INFO] [stderr]     |
[INFO] [stderr] 470 |     use self::{ast::Program, lexer::Lexer};
[INFO] [stderr]     |                ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type `new_fn` should have an upper camel case name
[INFO] [stderr]    --> src/parser/mod.rs:555:10
[INFO] [stderr]     |
[INFO] [stderr] 555 |     type new_fn = fn(i32, i32) -> i32;
[INFO] [stderr]     |          ^^^^^^ help: convert the identifier to upper camel case: `NewFn`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Parser`
[INFO] [stderr]  --> src/repl/mod.rs:3:27
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::parser::{self, Parser};
[INFO] [stderr]   |                           ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `token::TokenType`
[INFO] [stderr]  --> src/repl/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     token::TokenType,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:484:13
[INFO] [stderr]     |
[INFO] [stderr] 484 |         let mut program = p.parse_program();
[INFO] [stderr]     |             ----^^^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `statement_node` is never used
[INFO] [stderr]  --> src/ast/mod.rs:8:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub trait Statement: Node {
[INFO] [stderr]   |           --------- method in this trait
[INFO] [stderr] 8 |     fn statement_node(&self);
[INFO] [stderr]   |        ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `expression_node` is never used
[INFO] [stderr]   --> src/ast/mod.rs:12:8
[INFO] [stderr]    |
[INFO] [stderr] 11 | pub trait Expression: Node {
[INFO] [stderr]    |           ---------- method in this trait
[INFO] [stderr] 12 |     fn expression_node(&self);
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `value` is never read
[INFO] [stderr]    --> src/ast/mod.rs:296:9
[INFO] [stderr]     |
[INFO] [stderr] 294 | pub struct Boolean {
[INFO] [stderr]     |            ------- field in this struct
[INFO] [stderr] 295 |     pub token: Token,
[INFO] [stderr] 296 |     pub value: bool,
[INFO] [stderr]     |         ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias `new_fn` is never used
[INFO] [stderr]    --> src/parser/mod.rs:555:10
[INFO] [stderr]     |
[INFO] [stderr] 555 |     type new_fn = fn(i32, i32) -> i32;
[INFO] [stderr]     |          ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: lifetime flowing from input to output with different syntax can be confusing
[INFO] [stderr]   --> src/parser/mod.rs:48:20
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stderr]    |                    ^^                      ------ the lifetime gets resolved as `'a`
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    this lifetime flows to the output
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: one option is to consistently use `'a`
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser<'a> {
[INFO] [stderr]    |                                                  ++++
[INFO] [stderr] 
[INFO] [stderr] warning: variable `leftExp` should have a snake case name
[INFO] [stderr]    --> src/parser/mod.rs:166:25
[INFO] [stderr]     |
[INFO] [stderr] 166 |                 let mut leftExp = prefix(self);
[INFO] [stderr]     |                         ^^^^^^^ help: convert the identifier to snake case: `left_exp`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey` (bin "monkey" test) generated 14 warnings (run `cargo fix --bin "monkey" --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.05s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey-7730584def081c6c)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test lexer::tests::test_char ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test ast::tests::test_to_string ... ok
[INFO] [stdout] test lexer::tests::test_option ... ok
[INFO] [stdout] test lexer::tests::test_read_identifier ... ok
[INFO] [stdout] test parser::tests::test_fn ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test parser::tests::test_ord ... ok
[INFO] [stdout] test parser::tests::test_parsing_prefix_expression ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test token::tests::test_enum ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... FAILED
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- parser::tests::test_let_statements stdout ----
[INFO] [stdout] 
[INFO] [stdout] thread 'parser::tests::test_let_statements' panicked at src/parser/mod.rs:485:9:
[INFO] [stdout] assertion `left == right` failed
[INFO] [stdout]   left: 6
[INFO] [stdout]  right: 3
[INFO] [stdout] stack backtrace:
[INFO] [stdout]    0:     0x5e9f79f352b2 - std::backtrace_rs::backtrace::libunwind::trace::hd39b1f53d3cf9745
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5e9f79f352b2 - std::backtrace_rs::backtrace::trace_unsynchronized::he91d9a75d4e3972b
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5e9f79f352b2 - std::sys::backtrace::_print_fmt::hca46938f8c6e22cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5e9f79f352b2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::ha499add612cccf8e
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5e9f79f5a373 - core::fmt::rt::Argument::fmt::hd21145b75a833b7a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5e9f79f5a373 - core::fmt::write::hb10c956f5235c8a4
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/fmt/mod.rs:1465:25
[INFO] [stdout]    6:     0x5e9f79f32493 - std::io::default_write_fmt::hdb7615052be2ba4d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5e9f79f32493 - std::io::Write::write_fmt::he1bcd251ec6e4153
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5e9f79f35102 - std::sys::backtrace::BacktraceLock::print::hb47c770ef659fd10
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5e9f79f3681c - std::panicking::default_hook::{{closure}}::hdda8afb9d457a22c
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5e9f79f36672 - std::panicking::default_hook::h7c46b44874fe5c9a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5e9f79efe754 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h178a5fcedee41e2f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5e9f79efe754 - test::test_main_with_exit_callback::{{closure}}::h951a41e0149d6d5d
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5e9f79f371fb - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h13602080f5b63276
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5e9f79f371fb - std::panicking::rust_panic_with_hook::ha6cb99ed099eb1c5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5e9f79f36fca - std::panicking::begin_panic_handler::{{closure}}::he11808bc797ee921
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5e9f79f357a9 - std::sys::backtrace::__rust_end_short_backtrace::h9418807cb7346258
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:168:18
[INFO] [stdout]   17:     0x5e9f79f36c5d - __rustc[18fb429eef004894]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5e9f79f58ec0 - core::panicking::panic_fmt::hd890aeb12c3a3fc3
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5e9f79f59157 - core::panicking::assert_failed_inner::h02e1528dd7bc6647
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5e9f79f59079 - core::panicking::assert_failed::h24b207bf351b573a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5e9f79ebbc6e - monkey::parser::tests::test_let_statements::h86dda26c124b6b9e
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:485:9
[INFO] [stdout]   22:     0x5e9f79ec28a9 - monkey::parser::tests::test_let_statements::{{closure}}::ha503238a7dc0aa84
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:475:29
[INFO] [stdout]   23:     0x5e9f79ec28a9 - core::ops::function::FnOnce::call_once::hb63fb4ce9a1107a9
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x5e9f79f03edb - core::ops::function::FnOnce::call_once::h2869fb5b0a2b0bdc
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x5e9f79f03edb - test::__rust_begin_short_backtrace::h7dd7142bd62fa711
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5e9f79f030ce - test::run_test_in_process::{{closure}}::h43a753f038d36b3f
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5e9f79f030ce - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h0ca95dd3e12d1e16
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5e9f79f030ce - std::panicking::catch_unwind::do_call::he308587d70ac34ba
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5e9f79f030ce - std::panicking::catch_unwind::h30dcba31973e8fb0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5e9f79f030ce - std::panic::catch_unwind::hfb68364e5621fbee
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5e9f79f030ce - test::run_test_in_process::hcdcc2977903b998a
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5e9f79f030ce - test::run_test::{{closure}}::h544a6550958c5d14
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5e9f79ec6c44 - test::run_test::{{closure}}::hb172e48ebe2b92c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5e9f79ec6c44 - std::sys::backtrace::__rust_begin_short_backtrace::h7e79d8706638bea0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/backtrace.rs:152:18
[INFO] [stdout]   35:     0x5e9f79eca61a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::hc4a275f1e71b8ab0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5e9f79eca61a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h01ed0d242df78cfd
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5e9f79eca61a - std::panicking::catch_unwind::do_call::h052f373fb905fee0
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5e9f79eca61a - std::panicking::catch_unwind::hb425d20c8ffb09c8
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5e9f79eca61a - std::panic::catch_unwind::ha0d5dfbf18fdeda5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5e9f79eca61a - std::thread::Builder::spawn_unchecked_::{{closure}}::hbe79182bd37949c7
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5e9f79eca61a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hc096c4a06972fde5
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x5e9f79f3a157 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h47377e27fb938a26
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5e9f79f3a157 - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h72f1fe5d095abf57
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   44:     0x5e9f79f3a157 - std::sys::pal::unix::thread::Thread::new::thread_start::h0a4d8e1b9c0d38cf
[INFO] [stdout]                                at /rustc/d98a5da813da67eb189387b8ccfb73cf481275d8/library/std/src/sys/pal/unix/thread.rs:97:17
[INFO] [stdout]   45:     0x71128e87aaa4 - <unknown>
[INFO] [stdout]   46:     0x71128e907a34 - clone
[INFO] [stdout]   47:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::tests::test_let_statements
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.03s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin monkey`
[INFO] running `Command { std: "docker" "inspect" "466ebcf7276d0cdbe24b9ca0f23336d42a601e37f91bc9c741a88367e555954e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "466ebcf7276d0cdbe24b9ca0f23336d42a601e37f91bc9c741a88367e555954e", kill_on_drop: false }`
[INFO] [stdout] 466ebcf7276d0cdbe24b9ca0f23336d42a601e37f91bc9c741a88367e555954e
