[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 1.90.0 for beta-1.91-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdust347%2Fmonkey_rust" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/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-2-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/dust347/monkey_rust on toolchain 1.90.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.90.0" "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" "+1.90.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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" "+1.90.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 76f3ed41508738b433032357133e53452c4307bee41c20cd88a930ac69c00957
[INFO] running `Command { std: "docker" "start" "-a" "76f3ed41508738b433032357133e53452c4307bee41c20cd88a930ac69c00957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "76f3ed41508738b433032357133e53452c4307bee41c20cd88a930ac69c00957", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "76f3ed41508738b433032357133e53452c4307bee41c20cd88a930ac69c00957", kill_on_drop: false }`
[INFO] [stdout] 76f3ed41508738b433032357133e53452c4307bee41c20cd88a930ac69c00957
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c47172609d94c2318b0ceb88ed61e6004b9f031719bffca78fd7f489cdab3fe0
[INFO] running `Command { std: "docker" "start" "-a" "c47172609d94c2318b0ceb88ed61e6004b9f031719bffca78fd7f489cdab3fe0", 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: hiding a lifetime that's named elsewhere is 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 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.65s
[INFO] running `Command { std: "docker" "inspect" "c47172609d94c2318b0ceb88ed61e6004b9f031719bffca78fd7f489cdab3fe0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c47172609d94c2318b0ceb88ed61e6004b9f031719bffca78fd7f489cdab3fe0", kill_on_drop: false }`
[INFO] [stdout] c47172609d94c2318b0ceb88ed61e6004b9f031719bffca78fd7f489cdab3fe0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] fe133dfe0e85ab4e1ead1bd8f1a9e2158770aa2b21a7b160ac3c7fda8690614e
[INFO] running `Command { std: "docker" "start" "-a" "fe133dfe0e85ab4e1ead1bd8f1a9e2158770aa2b21a7b160ac3c7fda8690614e", 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: hiding a lifetime that's named elsewhere is 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 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)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.99s
[INFO] running `Command { std: "docker" "inspect" "fe133dfe0e85ab4e1ead1bd8f1a9e2158770aa2b21a7b160ac3c7fda8690614e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe133dfe0e85ab4e1ead1bd8f1a9e2158770aa2b21a7b160ac3c7fda8690614e", kill_on_drop: false }`
[INFO] [stdout] fe133dfe0e85ab4e1ead1bd8f1a9e2158770aa2b21a7b160ac3c7fda8690614e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+1.90.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 6acb28778eadb78b5754cbb4117a2861bb5d78267d8c2dc9b471ac7e42f531e6
[INFO] running `Command { std: "docker" "start" "-a" "6acb28778eadb78b5754cbb4117a2861bb5d78267d8c2dc9b471ac7e42f531e6", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `f64::NAN` and `fmt::format`
[INFO] [stdout] 
[INFO] [stderr]  --> src/parser/mod.rs:1:33
[INFO] [stdout] running 13 tests
[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: hiding a lifetime that's named elsewhere is 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 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)]` 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-32484fa391586e24)
[INFO] [stdout] test ast::tests::test_to_string ... ok
[INFO] [stdout] test lexer::tests::test_char ... ok
[INFO] [stdout] test lexer::tests::test_read_identifier ... ok
[INFO] [stdout] test parser::tests::test_integer_literal_expression ... ok
[INFO] [stdout] test token::tests::test_enum ... ok
[INFO] [stdout] test lexer::tests::test_option ... ok
[INFO] [stdout] test parser::tests::test_operator_precedence_parsing ... ok
[INFO] [stdout] test parser::tests::test_identifier_expression ... ok
[INFO] [stdout] test parser::tests::test_parsing_prefix_expression ... ok
[INFO] [stdout] test parser::tests::test_ord ... ok
[INFO] [stdout] test lexer::tests::test_next_token ... ok
[INFO] [stdout] test parser::tests::test_let_statements ... FAILED
[INFO] [stdout] test parser::tests::test_fn ... ok
[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:     0x5ff59a091382 - std::backtrace_rs::backtrace::libunwind::trace::h2d45396358f41939
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stdout]    1:     0x5ff59a091382 - std::backtrace_rs::backtrace::trace_unsynchronized::hffcefc0b67f1d6e2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stdout]    2:     0x5ff59a091382 - std::sys::backtrace::_print_fmt::hd72f71d23b436b92
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:66:9
[INFO] [stdout]    3:     0x5ff59a091382 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::hdcfcb6d4c8489523
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:39:26
[INFO] [stdout]    4:     0x5ff59a0b6683 - core::fmt::rt::Argument::fmt::h2c56b3114963061a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/rt.rs:173:76
[INFO] [stdout]    5:     0x5ff59a0b6683 - core::fmt::write::h8a494366950f23bb
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/fmt/mod.rs:1468:25
[INFO] [stdout]    6:     0x5ff59a08e303 - std::io::default_write_fmt::h7b8824096454f323
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:639:11
[INFO] [stdout]    7:     0x5ff59a08e303 - std::io::Write::write_fmt::h4e71294925c334d0
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/io/mod.rs:1954:13
[INFO] [stdout]    8:     0x5ff59a0911d2 - std::sys::backtrace::BacktraceLock::print::hb2a626a81e06b2dc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:42:9
[INFO] [stdout]    9:     0x5ff59a0928f9 - std::panicking::default_hook::{{closure}}::h4f78485264f12d10
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:300:27
[INFO] [stdout]   10:     0x5ff59a09272e - std::panicking::default_hook::h2c66fc99e962531d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:324:9
[INFO] [stdout]   11:     0x5ff59a05ad04 - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::hb6bd65493727d71a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   12:     0x5ff59a05ad04 - test::test_main_with_exit_callback::{{closure}}::h60217ec76a0ece4a
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:145:21
[INFO] [stdout]   13:     0x5ff59a0932ce - <alloc::boxed::Box<F,A> as core::ops::function::Fn<Args>>::call::h318e4efb8c1a5689
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1985:9
[INFO] [stdout]   14:     0x5ff59a0932ce - std::panicking::rust_panic_with_hook::h33ac55f64bbd807d
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:841:13
[INFO] [stdout]   15:     0x5ff59a09309a - std::panicking::begin_panic_handler::{{closure}}::h30e7cb89678a57fe
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:706:13
[INFO] [stdout]   16:     0x5ff59a091879 - std::sys::backtrace::__rust_end_short_backtrace::hed60f27456c16ced
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:174:18
[INFO] [stdout]   17:     0x5ff59a092d2d - __rustc[de2ca18b4c54d5b8]::rust_begin_unwind
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:697:5
[INFO] [stdout]   18:     0x5ff59a0b50d0 - core::panicking::panic_fmt::h62f63d096dd276af
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:75:14
[INFO] [stdout]   19:     0x5ff59a0b5423 - core::panicking::assert_failed_inner::h102b4539a88470c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:448:17
[INFO] [stdout]   20:     0x5ff59a0b5375 - core::panicking::assert_failed::h417a72379c307893
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panicking.rs:403:5
[INFO] [stdout]   21:     0x5ff59a016fbe - monkey::parser::tests::test_let_statements::hd78aa1290aaeb047
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:485:9
[INFO] [stdout]   22:     0x5ff59a016e47 - monkey::parser::tests::test_let_statements::{{closure}}::he3be40e56428fce6
[INFO] [stdout]                                at /opt/rustwide/workdir/src/parser/mod.rs:475:29
[INFO] [stdout]   23:     0x5ff59a00c116 - core::ops::function::FnOnce::call_once::h3c3a6e17fbabcee6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   24:     0x5ff59a06056b - core::ops::function::FnOnce::call_once::h1f9474f1347fff52
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   25:     0x5ff59a06056b - test::__rust_begin_short_backtrace::ha52ab26e77157f03
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:648:18
[INFO] [stdout]   26:     0x5ff59a05f6a5 - test::run_test_in_process::{{closure}}::h229c1a11a50b261f
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:74
[INFO] [stdout]   27:     0x5ff59a05f6a5 - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::h78821afbf97b39a9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   28:     0x5ff59a05f6a5 - std::panicking::catch_unwind::do_call::h53abf3ed5bd32ba3
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   29:     0x5ff59a05f6a5 - std::panicking::catch_unwind::h6deb5fe1e91873c9
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   30:     0x5ff59a05f6a5 - std::panic::catch_unwind::hea0829b6b565654b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   31:     0x5ff59a05f6a5 - test::run_test_in_process::hdc44dfecea3db21b
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:671:27
[INFO] [stdout]   32:     0x5ff59a05f6a5 - test::run_test::{{closure}}::h0364ba59bf23f652
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:592:43
[INFO] [stdout]   33:     0x5ff59a0232a4 - test::run_test::{{closure}}::h32730b304eec05da
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/test/src/lib.rs:622:41
[INFO] [stdout]   34:     0x5ff59a0232a4 - std::sys::backtrace::__rust_begin_short_backtrace::h177cb952fc54ad2c
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/backtrace.rs:158:18
[INFO] [stdout]   35:     0x5ff59a026c7a - std::thread::Builder::spawn_unchecked_::{{closure}}::{{closure}}::h119d903520007597
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:559:17
[INFO] [stdout]   36:     0x5ff59a026c7a - <core::panic::unwind_safe::AssertUnwindSafe<F> as core::ops::function::FnOnce<()>>::call_once::hab88401d606702a6
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/panic/unwind_safe.rs:272:9
[INFO] [stdout]   37:     0x5ff59a026c7a - std::panicking::catch_unwind::do_call::h163fe12cca9901c2
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:589:40
[INFO] [stdout]   38:     0x5ff59a026c7a - std::panicking::catch_unwind::he81557d0e17cc1bc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panicking.rs:552:19
[INFO] [stdout]   39:     0x5ff59a026c7a - std::panic::catch_unwind::hc2b8e79c20593955
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/panic.rs:359:14
[INFO] [stdout]   40:     0x5ff59a026c7a - std::thread::Builder::spawn_unchecked_::{{closure}}::hfa6b4978e07815cc
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/thread/mod.rs:557:30
[INFO] [stdout]   41:     0x5ff59a026c7a - core::ops::function::FnOnce::call_once{{vtable.shim}}::hddcd7484a13fd793
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/core/src/ops/function.rs:253:5
[INFO] [stdout]   42:     0x5ff59a09624f - <alloc::boxed::Box<F,A> as core::ops::function::FnOnce<Args>>::call_once::h5924238c754de3b8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/alloc/src/boxed.rs:1971:9
[INFO] [stdout]   43:     0x5ff59a09624f - std::sys::pal::unix::thread::Thread::new::thread_start::hb6e99e73da4d28f8
[INFO] [stdout]                                at /rustc/1159e78c4747b02ef996e55082b704c09b970588/library/std/src/sys/pal/unix/thread.rs:107:17
[INFO] [stdout]   44:     0x72fb0fd7faa4 - <unknown>
[INFO] [stdout]   45:     0x72fb0fe0ca34 - 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 0.04s
[INFO] [stdout] 
[INFO] [stderr] error: test failed, to rerun pass `--bin monkey`
[INFO] running `Command { std: "docker" "inspect" "6acb28778eadb78b5754cbb4117a2861bb5d78267d8c2dc9b471ac7e42f531e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6acb28778eadb78b5754cbb4117a2861bb5d78267d8c2dc9b471ac7e42f531e6", kill_on_drop: false }`
[INFO] [stdout] 6acb28778eadb78b5754cbb4117a2861bb5d78267d8c2dc9b471ac7e42f531e6
