[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 1.83.0 for beta-1.84.0-4-retry
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust347%2Fmonkey_rust" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dust347/monkey_rust on toolchain 1.83.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.83.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-1-tc1/source/Cargo.toml
[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" "+1.83.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:f3a9d4ad9d972b27faf3965f35b62e55ba32bbce8f20bc8fe909558a86702fde" "/opt/rustwide/cargo-home/bin/cargo" "+1.83.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] eafd01ed89d9d46288a2fd5a9a53264f90f8d60774be0e7c877d73bd9fd2be13
[INFO] running `Command { std: "docker" "start" "-a" "eafd01ed89d9d46288a2fd5a9a53264f90f8d60774be0e7c877d73bd9fd2be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "eafd01ed89d9d46288a2fd5a9a53264f90f8d60774be0e7c877d73bd9fd2be13", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "eafd01ed89d9d46288a2fd5a9a53264f90f8d60774be0e7c877d73bd9fd2be13", kill_on_drop: false }`
[INFO] [stdout] eafd01ed89d9d46288a2fd5a9a53264f90f8d60774be0e7c877d73bd9fd2be13
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.83.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 086f4145052d2cfe135b5418fd88f0c0562accd54f319698a2753754c95dfea3
[INFO] running `Command { std: "docker" "start" "-a" "086f4145052d2cfe135b5418fd88f0c0562accd54f319698a2753754c95dfea3", 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: elided lifetime has a name
[INFO] [stdout]   --> src/parser/mod.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stdout]    |                                            ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[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: 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 1.14s
[INFO] running `Command { std: "docker" "inspect" "086f4145052d2cfe135b5418fd88f0c0562accd54f319698a2753754c95dfea3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "086f4145052d2cfe135b5418fd88f0c0562accd54f319698a2753754c95dfea3", kill_on_drop: false }`
[INFO] [stdout] 086f4145052d2cfe135b5418fd88f0c0562accd54f319698a2753754c95dfea3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.83.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e1b0a27c96590769042d3d6e8a27b02702e520acf7428e0099edf91f9801cf2a
[INFO] running `Command { std: "docker" "start" "-a" "e1b0a27c96590769042d3d6e8a27b02702e520acf7428e0099edf91f9801cf2a", 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: elided lifetime has a name
[INFO] [stdout]   --> src/parser/mod.rs:48:44
[INFO] [stdout]    |
[INFO] [stdout] 47 | impl<'a> Parser<'a> {
[INFO] [stdout]    |      -- lifetime `'a` declared here
[INFO] [stdout] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stdout]    |                                            ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(elided_named_lifetimes)]` on by default
[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: 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 1.07s
[INFO] running `Command { std: "docker" "inspect" "e1b0a27c96590769042d3d6e8a27b02702e520acf7428e0099edf91f9801cf2a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e1b0a27c96590769042d3d6e8a27b02702e520acf7428e0099edf91f9801cf2a", kill_on_drop: false }`
[INFO] [stdout] e1b0a27c96590769042d3d6e8a27b02702e520acf7428e0099edf91f9801cf2a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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" "+1.83.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 768fe51dbf5ce77e890d544c5c470d4a52307790c512eb38b0d0ae3a49a7c92b
[INFO] running `Command { std: "docker" "start" "-a" "768fe51dbf5ce77e890d544c5c470d4a52307790c512eb38b0d0ae3a49a7c92b", kill_on_drop: false }`
[INFO] [stdout] 
[INFO] [stdout] running 13 tests
[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: elided lifetime has a name
[INFO] [stderr]   --> src/parser/mod.rs:48:44
[INFO] [stderr]    |
[INFO] [stderr] 47 | impl<'a> Parser<'a> {
[INFO] [stderr]    |      -- lifetime `'a` declared here
[INFO] [stderr] 48 |     pub fn new(l: &'a mut lexer::Lexer) -> Parser {
[INFO] [stderr]    |                                            ^^^^^^ this elided lifetime gets resolved as `'a`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(elided_named_lifetimes)]` on by default
[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: 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 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/monkey-be08cca5167ab694)
[INFO] [stdout] test ast::tests::test_to_string ... ok
[INFO] [stdout] test lexer::tests::test_char ... 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_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... 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 lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_ord ... 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] 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:     0x58172c16b48a - std::backtrace_rs::backtrace::libunwind::trace::h5a5b8284f2d0c266
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/libunwind.rs:116:5
[INFO] [stdout]    1:     0x58172c16b48a - std::backtrace_rs::backtrace::trace_unsynchronized::h76d4f1c9b0b875e3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stdout]    2:     0x58172c16b48a - std::sys::backtrace::_print_fmt::hc4546b8364a537c6
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x58172c16b48a - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::h5b6bd5631a6d1f6b
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x58172c1908a3 - core::fmt::rt::Argument::fmt::h270f6602a2b96f62
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/rt.rs:177:76
[INFO] [stdout]    5:     0x58172c1908a3 - core::fmt::write::h7550c97b06c86515
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/fmt/mod.rs:1186:21
[INFO] [stdout]    6:     0x58172c168653 - std::io::Write::write_fmt::h509ff860e5956e5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/io/mod.rs:1839:15
[INFO] [stdout]    7:     0x58172c16b2d2 - std::sys::backtrace::BacktraceLock::print::h2395ccd2c84ba3aa
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    8:     0x58172c16c8ea - std::panicking::default_hook::{{closure}}::he19d4c7230e07961
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:268:22
[INFO] [stdout]    9:     0x58172c16c6f4 - std::panicking::default_hook::hf614597d3c67bbdb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:292:9
[INFO] [stdout]   10:     0x58172c137fd9 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h39b51ce4599c23d1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   11:     0x58172c137fd9 - test::test_main::{{closure}}::he977ae839a582784
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:133:21
[INFO] [stdout]   12:     0x58172c16cf88 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h9455091b6b06f9fb
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2468:9
[INFO] [stdout]   13:     0x58172c16cf88 - std::panicking::rust_panic_with_hook::h8942133a8b252070
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:809:13
[INFO] [stdout]   14:     0x58172c16cd4a - std::panicking::begin_panic_handler::{{closure}}::hb5f5963570096b29
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:674:13
[INFO] [stdout]   15:     0x58172c16b969 - std::sys::backtrace::__rust_end_short_backtrace::h6208cedc1922feda
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:170:18
[INFO] [stdout]   16:     0x58172c16c9dc - rust_begin_unwind
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:665:5
[INFO] [stdout]   17:     0x58172c0dda60 - core::panicking::panic_fmt::h0c3082644d1bf418
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:74:14
[INFO] [stdout]   18:     0x58172c0dde2b - core::panicking::assert_failed_inner::h2ddf1fcc067fa858
[INFO] [stdout]   19:     0x58172c0ea85b - core::panicking::assert_failed::h8d243b0ee40ddb2d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panicking.rs:367:5
[INFO] [stdout]   20:     0x58172c0f79a0 - monkey::parser::tests::test_let_statements::h4261780f461e7fb4
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:485:9
[INFO] [stdout]   21:     0x58172c0f7827 - monkey::parser::tests::test_let_statements::{{closure}}::hfc99f2435d811b8f
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:475:29
[INFO] [stdout]   22:     0x58172c0fbba6 - core::ops::function::FnOnce::call_once::h3509d462612c5264
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   23:     0x58172c13c99b - core::ops::function::FnOnce::call_once::h109cf8051a59b34e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   24:     0x58172c13c99b - test::__rust_begin_short_backtrace::hf4fff89d377446ba
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:621:18
[INFO] [stdout]   25:     0x58172c13c1d7 - test::run_test_in_process::{{closure}}::h0e39181dd7ee5a43
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:60
[INFO] [stdout]   26:     0x58172c13c1d7 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hc5a66a30f0bdfd1f
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   27:     0x58172c13c1d7 - std::panicking::try::do_call::h873b7cf639554a5e
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   28:     0x58172c13c1d7 - std::panicking::try::hdb19862fad9c8bd1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   29:     0x58172c13c1d7 - std::panic::catch_unwind::h281fe732d236d260
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   30:     0x58172c13c1d7 - test::run_test_in_process::h949b6df8457ed338
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:644:27
[INFO] [stdout]   31:     0x58172c13c1d7 - test::run_test::{{closure}}::h52c556a6d4740e10
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:565:43
[INFO] [stdout]   32:     0x58172c1014b4 - test::run_test::{{closure}}::h4237f6381c45ccb9
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/test/src/lib.rs:595:41
[INFO] [stdout]   33:     0x58172c1014b4 - std::sys::backtrace::__rust_begin_short_backtrace::h505c97a579eca628
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/backtrace.rs:154:18
[INFO] [stdout]   34:     0x58172c104b7e - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h9e86b2e2bc107ea3
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:538:17
[INFO] [stdout]   35:     0x58172c104b7e - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h8b06ddb275ff4a25
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   36:     0x58172c104b7e - std::panicking::try::do_call::hb26ecd7cd9a9355d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:557:40
[INFO] [stdout]   37:     0x58172c104b7e - std::panicking::try::h8ddeca9d705f9069
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panicking.rs:520:19
[INFO] [stdout]   38:     0x58172c104b7e - std::panic::catch_unwind::h49e1c33078844c46
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/panic.rs:358:14
[INFO] [stdout]   39:     0x58172c104b7e - std::thread::Builder::spawn_unchecked_::{{closure}}::h6073db6ff56ad35d
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/thread/mod.rs:537:30
[INFO] [stdout]   40:     0x58172c104b7e - core::ops::function::FnOnce::call_once{{vtable.shim}}::h2c5a5f3779c774f1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/core/src/ops/function.rs:250:5
[INFO] [stdout]   41:     0x58172c170cdb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::hf75717d9f28faebf
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   42:     0x58172c170cdb - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h7bd883a5f3c5f3c1
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/alloc/src/boxed.rs:2454:9
[INFO] [stdout]   43:     0x58172c170cdb - std::sys::pal::unix::thread::Thread::new::thread_start::hcc78f3943333fa94
[INFO] [stdout]                                at /rustc/90b35a6239c3d8bdabc530a6a0816f7ff89a0aaf/library/std/src/sys/pal/unix/thread.rs:105:17
[INFO] [stdout]   44:     0x7dc12d86aac3 - <unknown>
[INFO] [stdout]   45:     0x7dc12d8fba04 - clone
[INFO] [stdout]   46:                0x0 - <unknown>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     parser::tests::test_let_statements
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin monkey`
[INFO] [stdout] test result: FAILED. 12 passed; 1 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "768fe51dbf5ce77e890d544c5c470d4a52307790c512eb38b0d0ae3a49a7c92b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "768fe51dbf5ce77e890d544c5c470d4a52307790c512eb38b0d0ae3a49a7c92b", kill_on_drop: false }`
[INFO] [stdout] 768fe51dbf5ce77e890d544c5c470d4a52307790c512eb38b0d0ae3a49a7c92b
