[INFO] cloning repository https://github.com/luccasmmg/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/luccasmmg/monkey-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluccasmmg%2Fmonkey-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluccasmmg%2Fmonkey-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 08a0638d5a75400ac6ac32ba6d9b4445dec25026
[INFO] checking luccasmmg/monkey-rust against try#3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f for pr-87248
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fluccasmmg%2Fmonkey-rust" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/luccasmmg/monkey-rust on toolchain 3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/luccasmmg/monkey-rust
[INFO] finished tweaking git repo https://github.com/luccasmmg/monkey-rust
[INFO] tweaked toml for git repo https://github.com/luccasmmg/monkey-rust written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/luccasmmg/monkey-rust already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 48aaa7ba08caa23c0f656cd6a6eddd15b4ff12a132e36f88c06d475db300e74f
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "48aaa7ba08caa23c0f656cd6a6eddd15b4ff12a132e36f88c06d475db300e74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "48aaa7ba08caa23c0f656cd6a6eddd15b4ff12a132e36f88c06d475db300e74f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48aaa7ba08caa23c0f656cd6a6eddd15b4ff12a132e36f88c06d475db300e74f", kill_on_drop: false }`
[INFO] [stdout] 48aaa7ba08caa23c0f656cd6a6eddd15b4ff12a132e36f88c06d475db300e74f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+3e59a8c2f14152ccc92a6c079f592dc2dc6fa93f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 8e57d8191ccbf02ea47b49b647a912276e5ab955bb8af0b78ad25849b5cab3cb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "8e57d8191ccbf02ea47b49b647a912276e5ab955bb8af0b78ad25849b5cab3cb", kill_on_drop: false }`
[INFO] [stderr]     Checking monkey-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]  --> src/parser/parser.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::lexer::{Lexer, convert_to_tokens};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ast/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::token::Token`
[INFO] [stdout]  --> src/ast/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::token::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Lexer`
[INFO] [stdout]  --> src/parser/parser.rs:1:27
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::lexer::lexer::{Lexer, convert_to_tokens};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt`
[INFO] [stdout]  --> src/ast/ast.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::fmt;
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::token::Token`
[INFO] [stdout]  --> src/ast/ast.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::token::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]  --> src/token/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Illegal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/parser/parser.rs:12:12
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(input: &str) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lowest`
[INFO] [stdout]   --> src/parser/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Lowest,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/parser/parser.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessGreater`
[INFO] [stdout]   --> src/parser/parser.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     LessGreater,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sum`
[INFO] [stdout]   --> src/parser/parser.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Sum,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Product`
[INFO] [stdout]   --> src/parser/parser.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Product,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Prefix`
[INFO] [stdout]   --> src/parser/parser.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Prefix,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/parser/parser.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Call,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Index`
[INFO] [stdout]   --> src/parser/parser.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Index,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Program`
[INFO] [stdout]  --> src/ast/ast.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Program {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/ast/ast.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BoolLiteral`
[INFO] [stdout]   --> src/ast/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BoolLiteral(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StringLiteral`
[INFO] [stdout]   --> src/ast/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     StringLiteral(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrefixPlus`
[INFO] [stdout]   --> src/ast/ast.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     PrefixPlus,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrefixMinus`
[INFO] [stdout]   --> src/ast/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     PrefixMinus,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/ast/ast.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Illegal`
[INFO] [stdout]  --> src/token/token.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     Illegal,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Lowest`
[INFO] [stdout]   --> src/parser/parser.rs:48:5
[INFO] [stdout]    |
[INFO] [stdout] 48 |     Lowest,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Equals`
[INFO] [stdout]   --> src/parser/parser.rs:49:5
[INFO] [stdout]    |
[INFO] [stdout] 49 |     Equals,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `LessGreater`
[INFO] [stdout]   --> src/parser/parser.rs:50:5
[INFO] [stdout]    |
[INFO] [stdout] 50 |     LessGreater,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Sum`
[INFO] [stdout]   --> src/parser/parser.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 51 |     Sum,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Product`
[INFO] [stdout]   --> src/parser/parser.rs:52:5
[INFO] [stdout]    |
[INFO] [stdout] 52 |     Product,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Prefix`
[INFO] [stdout]   --> src/parser/parser.rs:53:5
[INFO] [stdout]    |
[INFO] [stdout] 53 |     Prefix,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Call`
[INFO] [stdout]   --> src/parser/parser.rs:54:5
[INFO] [stdout]    |
[INFO] [stdout] 54 |     Call,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Index`
[INFO] [stdout]   --> src/parser/parser.rs:55:5
[INFO] [stdout]    |
[INFO] [stdout] 55 |     Index,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `Program`
[INFO] [stdout]  --> src/ast/ast.rs:4:8
[INFO] [stdout]   |
[INFO] [stdout] 4 | struct Program {
[INFO] [stdout]   |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/ast/ast.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn new() -> Self {
[INFO] [stdout]   |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `BoolLiteral`
[INFO] [stdout]   --> src/ast/ast.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 |     BoolLiteral(bool),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `StringLiteral`
[INFO] [stdout]   --> src/ast/ast.rs:28:5
[INFO] [stdout]    |
[INFO] [stdout] 28 |     StringLiteral(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrefixPlus`
[INFO] [stdout]   --> src/ast/ast.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 39 |     PrefixPlus,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PrefixMinus`
[INFO] [stdout]   --> src/ast/ast.rs:40:5
[INFO] [stdout]    |
[INFO] [stdout] 40 |     PrefixMinus,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Not`
[INFO] [stdout]   --> src/ast/ast.rs:41:5
[INFO] [stdout]    |
[INFO] [stdout] 41 |     Not,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 20 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.46s
[INFO] running `Command { std: "docker" "inspect" "8e57d8191ccbf02ea47b49b647a912276e5ab955bb8af0b78ad25849b5cab3cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e57d8191ccbf02ea47b49b647a912276e5ab955bb8af0b78ad25849b5cab3cb", kill_on_drop: false }`
[INFO] [stdout] 8e57d8191ccbf02ea47b49b647a912276e5ab955bb8af0b78ad25849b5cab3cb