[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 try#9f93af291970322f4f1c6315ccde4d7078201159 for pr-146098-6
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust347%2Fmonkey_rust" "/workspace/builds/worker-3-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc2/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-3-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dust347/monkey_rust on toolchain 9f93af291970322f4f1c6315ccde4d7078201159
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "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" "+9f93af291970322f4f1c6315ccde4d7078201159" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76bb5b682d0cdf5bfd5562a523b73cae9bbaaee4d2bcb206b26a98c828027f9b
[INFO] running `Command { std: "docker" "start" "-a" "76bb5b682d0cdf5bfd5562a523b73cae9bbaaee4d2bcb206b26a98c828027f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76bb5b682d0cdf5bfd5562a523b73cae9bbaaee4d2bcb206b26a98c828027f9b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76bb5b682d0cdf5bfd5562a523b73cae9bbaaee4d2bcb206b26a98c828027f9b", kill_on_drop: false }`
[INFO] [stdout] 76bb5b682d0cdf5bfd5562a523b73cae9bbaaee4d2bcb206b26a98c828027f9b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d45b0f2c2509e74c8f987daf7295507cc1274060ba16814f71b03e21e3679429
[INFO] running `Command { std: "docker" "start" "-a" "d45b0f2c2509e74c8f987daf7295507cc1274060ba16814f71b03e21e3679429", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stdout]    |                    --                      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.87s
[INFO] running `Command { std: "docker" "inspect" "d45b0f2c2509e74c8f987daf7295507cc1274060ba16814f71b03e21e3679429", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d45b0f2c2509e74c8f987daf7295507cc1274060ba16814f71b03e21e3679429", kill_on_drop: false }`
[INFO] [stdout] d45b0f2c2509e74c8f987daf7295507cc1274060ba16814f71b03e21e3679429
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cf4352421972a3fa83c41e271f335445a45e96a42bcabe4ed163f51db33151ad
[INFO] running `Command { std: "docker" "start" "-a" "cf4352421972a3fa83c41e271f335445a45e96a42bcabe4ed163f51db33151ad", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stdout]   --> src/parser/mod.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stdout]    |                    --                      ^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is named here
[INFO] [stdout]    |
[INFO] [stdout]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stdout]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stdout] help: 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.98s
[INFO] running `Command { std: "docker" "inspect" "cf4352421972a3fa83c41e271f335445a45e96a42bcabe4ed163f51db33151ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cf4352421972a3fa83c41e271f335445a45e96a42bcabe4ed163f51db33151ad", kill_on_drop: false }`
[INFO] [stdout] cf4352421972a3fa83c41e271f335445a45e96a42bcabe4ed163f51db33151ad
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+9f93af291970322f4f1c6315ccde4d7078201159" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] f40ea346a75d8182be8c0a5a67a88da9896e7e149c77f01e4f5d57b6d7ddcf0d
[INFO] running `Command { std: "docker" "start" "-a" "f40ea346a75d8182be8c0a5a67a88da9896e7e149c77f01e4f5d57b6d7ddcf0d", 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(nonstandard_style)]`) 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)]` (part of `#[warn(unused)]`) 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)]` (part of `#[warn(unused)]`) 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: hiding a lifetime that's named elsewhere is confusing
[INFO] [stderr]   --> src/parser/mod.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stderr]    |                    --                      ^^^^^^ the same lifetime is hidden here
[INFO] [stderr]    |                    |
[INFO] [stderr]    |                    the lifetime is named here
[INFO] [stderr]    |
[INFO] [stderr]    = help: the same lifetime is referred to in inconsistent ways, making the signature confusing
[INFO] [stderr]    = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default
[INFO] [stderr] help: 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)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: `monkey` (bin "monkey" test) generated 14 warnings (run `cargo fix --bin "monkey" -p monkey --tests` to apply 6 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.11s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey-9f6ae58d337b3407)
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[INFO] [stdout] test lexer::tests::test_option ... ok
[INFO] [stdout] test lexer::tests::test_char ... ok
[INFO] [stdout] test ast::tests::test_to_string ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test lexer::tests::test_read_identifier ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test token::tests::test_enum ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_fn ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... 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_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' (24) 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:     0x61bc2c79bab2 - std::backtrace_rs::backtrace::libunwind::trace::h16affffe904e891e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x61bc2c79bab2 - std::backtrace_rs::backtrace::trace_unsynchronized::h5c14b13373ed4150
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x61bc2c79bab2 - std::sys::backtrace::_print_fmt::hcbb507f162c816cc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x61bc2c79bab2 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h8be9aa933f14675f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x61bc2c7ab9af - core::fmt::rt::Argument::fmt::h30ed739d33467c3a
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x61bc2c7ab9af - core::fmt::write::hfd0efbb002ac7eea
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/fmt/mod.rs:1469:25
[INFO] [stdout]    6:     0x61bc2c769583 - std::io::default_write_fmt::hd6d24501f2d7f8d3
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x61bc2c769583 - std::io::Write::write_fmt::h79eca2f72fc24111
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x61bc2c775322 - std::sys::backtrace::BacktraceLock::print::hf2554f6030d393f7
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x61bc2c779dff - std::panicking::default_hook::{{closure}}::h8873121c56335b01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:301:27
[INFO] [stdout]   10:     0x61bc2c779c91 - std::panicking::default_hook::hbafefc2d196267a2
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:325:9
[INFO] [stdout]   11:     0x61bc2c73ce5e - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::ha834d5846f91b30b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   12:     0x61bc2c73ce5e - test::test_main_with_exit_callback::{{closure}}::h63c167737eecb025
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x61bc2c77a40f - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hbf9b0f7a281291fd
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2099:9
[INFO] [stdout]   14:     0x61bc2c77a40f - std::panicking::panic_with_hook::h9f5b09d5adc1a745
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:842:13
[INFO] [stdout]   15:     0x61bc2c77a26a - std::panicking::panic_handler::{{closure}}::h08111e483bdf6a89
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:707:13
[INFO] [stdout]   16:     0x61bc2c775459 - std::sys::backtrace::__rust_end_short_backtrace::h1b86e3414ecbbe8d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x61bc2c75dd4d - __rustc[b292c645e8102103]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:698:5
[INFO] [stdout]   18:     0x61bc2c7b3570 - core::panicking::panic_fmt::h31cc490ecc8cc1fa
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:80:14
[INFO] [stdout]   19:     0x61bc2c7b3373 - core::panicking::assert_failed_inner::h865658b89c1b891d
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:444:17
[INFO] [stdout]   20:     0x61bc2c7b31b7 - core::panicking::assert_failed::hda11ef7e070fa843
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panicking.rs:399:5
[INFO] [stdout]   21:     0x61bc2c709f9e - monkey::parser::tests::test_let_statements::h7462a92bd21e3a98
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:485:9
[INFO] [stdout]   22:     0x61bc2c70a277 - monkey::parser::tests::test_let_statements::{{closure}}::h654eb8b354685716
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:475:29
[INFO] [stdout]   23:     0x61bc2c70d086 - core::ops::function::FnOnce::call_once::hc782d4935ce2fd61
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x61bc2c73cc5b - core::ops::function::FnOnce::call_once::h2b2de5fdd23aab3e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   25:     0x61bc2c73cc5b - test::__rust_begin_short_backtrace::he551dd004770be01
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:663:18
[INFO] [stdout]   26:     0x61bc2c750cbd - test::run_test_in_process::{{closure}}::h5f0b44080a35ed87
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:74
[INFO] [stdout]   27:     0x61bc2c750cbd - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h4dbf65d14893ecf5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   28:     0x61bc2c750cbd - std::panicking::catch_unwind::do_call::hc37c563b8a006285
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   29:     0x61bc2c750cbd - std::panicking::catch_unwind::h616b6e2e7a27f612
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   30:     0x61bc2c750cbd - std::panic::catch_unwind::h1e788dd57758e6d8
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x61bc2c750cbd - test::run_test_in_process::hf073c2764f29f8ad
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:686:27
[INFO] [stdout]   32:     0x61bc2c750cbd - test::run_test::{{closure}}::h3dc46b7a0c340fa6
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:607:43
[INFO] [stdout]   33:     0x61bc2c72a204 - test::run_test::{{closure}}::h6a4da3c57ef4505f
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/test/src/lib.rs:637:41
[INFO] [stdout]   34:     0x61bc2c72a204 - std::sys::backtrace::__rust_begin_short_backtrace::hfd8e44bc311a5d57
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x61bc2c72da5a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h57c4ddec344fe24c
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:562:17
[INFO] [stdout]   36:     0x61bc2c72da5a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hd7cbe09591f06dfb
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/panic/unwind_safe.rs:274:9
[INFO] [stdout]   37:     0x61bc2c72da5a - std::panicking::catch_unwind::do_call::hdcd076e8e993dfbc
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:590:40
[INFO] [stdout]   38:     0x61bc2c72da5a - std::panicking::catch_unwind::h8f9f675f3756eab1
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panicking.rs:553:19
[INFO] [stdout]   39:     0x61bc2c72da5a - std::panic::catch_unwind::he8f74a93abeceb9b
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x61bc2c72da5a - std::thread::Builder::spawn_unchecked_::{{closure}}::he43db13a2caa41d5
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/thread/mod.rs:560:30
[INFO] [stdout]   41:     0x61bc2c72da5a - core::ops::function::FnOnce::call_once{{vtable.shim}}::h8f3531a7e0d83514
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   42:     0x61bc2c77085f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h6ff05134d80ef20e
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/alloc/src/boxed.rs:2085:9
[INFO] [stdout]   43:     0x61bc2c77085f - std::sys::thread::unix::Thread::new::thread_start::h9a4a41a076a486e0
[INFO] [stdout]                                at /rustc/9f93af291970322f4f1c6315ccde4d7078201159/library/std/src/sys/thread/unix.rs:124:17
[INFO] [stdout]   44:     0x75f36521caa4 - <unknown>
[INFO] [stdout]   45:     0x75f3652a9a64 - clone
[INFO] [stdout]   46:                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 0.07s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin monkey`
[INFO] running `Command { std: "docker" "inspect" "f40ea346a75d8182be8c0a5a67a88da9896e7e149c77f01e4f5d57b6d7ddcf0d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f40ea346a75d8182be8c0a5a67a88da9896e7e149c77f01e4f5d57b6d7ddcf0d", kill_on_drop: false }`
[INFO] [stdout] f40ea346a75d8182be8c0a5a67a88da9896e7e149c77f01e4f5d57b6d7ddcf0d
