[INFO] cloning repository https://github.com/fennr/lox_interpreter
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/fennr/lox_interpreter" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffennr%2Flox_interpreter", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffennr%2Flox_interpreter'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] df24caa04587c1533b036149a99318530cf1d30a
[INFO] checking fennr/lox_interpreter against master#a932eb36f8adf6c8cdfc450f063943da3112d621 for pr-140209-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Ffennr%2Flox_interpreter" "/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/fennr/lox_interpreter on toolchain a932eb36f8adf6c8cdfc450f063943da3112d621
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/fennr/lox_interpreter
[INFO] finished tweaking git repo https://github.com/fennr/lox_interpreter
[INFO] tweaked toml for git repo https://github.com/fennr/lox_interpreter written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/fennr/lox_interpreter 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" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1662199a4f469d10f200940d0ad24959d1c34ff8176dca5e74b01bdaa145f34a
[INFO] running `Command { std: "docker" "start" "-a" "1662199a4f469d10f200940d0ad24959d1c34ff8176dca5e74b01bdaa145f34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1662199a4f469d10f200940d0ad24959d1c34ff8176dca5e74b01bdaa145f34a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1662199a4f469d10f200940d0ad24959d1c34ff8176dca5e74b01bdaa145f34a", kill_on_drop: false }`
[INFO] [stdout] 1662199a4f469d10f200940d0ad24959d1c34ff8176dca5e74b01bdaa145f34a
[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=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:b0b074c097205a61b89e8ad263052f976b2b332c4dc5f02aef1fe52501660d6e" "/opt/rustwide/cargo-home/bin/cargo" "+a932eb36f8adf6c8cdfc450f063943da3112d621" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5810f2ccad4a368d91678264731ac50ff7a295b2c3cdd0ca3fdbde8bacc530bd
[INFO] running `Command { std: "docker" "start" "-a" "5810f2ccad4a368d91678264731ac50ff7a295b2c3cdd0ca3fdbde8bacc530bd", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.24
[INFO] [stderr]    Compiling unicode-xid v0.2.1
[INFO] [stderr]    Compiling syn v1.0.48
[INFO] [stderr]    Compiling thiserror v1.0.38
[INFO] [stderr]    Compiling anyhow v1.0.68
[INFO] [stderr]     Checking bytes v1.3.0
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling thiserror-impl v1.0.38
[INFO] [stderr]     Checking interpreter-starter-rust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `core::hash`
[INFO] [stdout]  --> src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lexer.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::clone::{self, Clone};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lexer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `arch::x86_64::_SIDD_LEAST_SIGNIFICANT` and `collections::binary_heap::Iter`
[INFO] [stdout]  --> src/lexer.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{arch::x86_64::_SIDD_LEAST_SIGNIFICANT, collections::binary_heap::Iter, iter::Peekable};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `core::hash`
[INFO] [stdout]  --> src/lexer.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use core::hash;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/lexer.rs:4:18
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::clone::{self, Clone};
[INFO] [stdout]   |                  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/lexer.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `arch::x86_64::_SIDD_LEAST_SIGNIFICANT` and `collections::binary_heap::Iter`
[INFO] [stdout]  --> src/lexer.rs:6:11
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::{arch::x86_64::_SIDD_LEAST_SIGNIFICANT, collections::binary_heap::Iter, iter::Peekable};
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     LEFT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftParen`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_PAREN` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     RIGHT_PAREN,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightParen`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LEFT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     LEFT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LeftBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `RIGHT_BRACE` should have an upper camel case name
[INFO] [stdout]  --> src/token.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 |     RIGHT_BRACE,
[INFO] [stdout]   |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `RightBrace`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `BANG_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:19:5
[INFO] [stdout]    |
[INFO] [stdout] 19 |     BANG_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `BangEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `EQUAL_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:21:5
[INFO] [stdout]    |
[INFO] [stdout] 21 |     EQUAL_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^ help: convert the identifier to upper camel case: `EqualEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `GREATER_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:23:5
[INFO] [stdout]    |
[INFO] [stdout] 23 |     GREATER_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^^^^ help: convert the identifier to upper camel case: `GreaterEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `LESS_EQUAL` should have an upper camel case name
[INFO] [stdout]   --> src/token.rs:25:5
[INFO] [stdout]    |
[INFO] [stdout] 25 |     LESS_EQUAL,
[INFO] [stdout]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `LessEqual`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESERVED_WORDS` is never used
[INFO] [stdout]  --> src/lexer.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RESERVED_WORDS: [&str; 16] = [
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]   --> src/lexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     source: String,
[INFO] [stdout] 16 |     tokens: Vec<Token>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EOF` and `UNKNOWN` are never constructed
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 52 |     UNKNOWN,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `RESERVED_WORDS` is never used
[INFO] [stdout]  --> src/lexer.rs:8:7
[INFO] [stdout]   |
[INFO] [stdout] 8 | const RESERVED_WORDS: [&str; 16] = [
[INFO] [stdout]   |       ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `tokens` is never read
[INFO] [stdout]   --> src/lexer.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub struct Lexer {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 15 |     source: String,
[INFO] [stdout] 16 |     tokens: Vec<Token>,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Lexer` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `EOF` and `UNKNOWN` are never constructed
[INFO] [stdout]   --> src/token.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 4  | pub enum TokenType {
[INFO] [stdout]    |          --------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 51 |     EOF,
[INFO] [stdout]    |     ^^^
[INFO] [stdout] 52 |     UNKNOWN,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `TokenType` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 4.03s
[INFO] running `Command { std: "docker" "inspect" "5810f2ccad4a368d91678264731ac50ff7a295b2c3cdd0ca3fdbde8bacc530bd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5810f2ccad4a368d91678264731ac50ff7a295b2c3cdd0ca3fdbde8bacc530bd", kill_on_drop: false }`
[INFO] [stdout] 5810f2ccad4a368d91678264731ac50ff7a295b2c3cdd0ca3fdbde8bacc530bd