[INFO] cloning repository https://github.com/Martin-Sokolov-Sokolov/lexer
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Martin-Sokolov-Sokolov/lexer" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartin-Sokolov-Sokolov%2Flexer", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartin-Sokolov-Sokolov%2Flexer'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 84b6fe9f11ec4a687fd28eabf8c596451671d392
[INFO] checking Martin-Sokolov-Sokolov/lexer against try#438eb4c1a1c3841523d7f672601e8adbe04cff28 for pr-147589-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMartin-Sokolov-Sokolov%2Flexer" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/Martin-Sokolov-Sokolov/lexer
[INFO] finished tweaking git repo https://github.com/Martin-Sokolov-Sokolov/lexer
[INFO] tweaked toml for git repo https://github.com/Martin-Sokolov-Sokolov/lexer written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Martin-Sokolov-Sokolov/lexer on toolchain 438eb4c1a1c3841523d7f672601e8adbe04cff28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Martin-Sokolov-Sokolov/lexer 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" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded syn v2.0.75
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 93ce5b1c4d012259d9c82829d14c4fb837aaae6efe11989690b82accc1e2a33d
[INFO] running `Command { std: "docker" "start" "-a" "93ce5b1c4d012259d9c82829d14c4fb837aaae6efe11989690b82accc1e2a33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "93ce5b1c4d012259d9c82829d14c4fb837aaae6efe11989690b82accc1e2a33d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93ce5b1c4d012259d9c82829d14c4fb837aaae6efe11989690b82accc1e2a33d", kill_on_drop: false }`
[INFO] [stdout] 93ce5b1c4d012259d9c82829d14c4fb837aaae6efe11989690b82accc1e2a33d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+438eb4c1a1c3841523d7f672601e8adbe04cff28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 61b6d67fee5676ec1f30e0d910d2d85db3c937606751f9aa0386f8739ec1a790
[INFO] running `Command { std: "docker" "start" "-a" "61b6d67fee5676ec1f30e0d910d2d85db3c937606751f9aa0386f8739ec1a790", kill_on_drop: false }`
[INFO] [stderr]    Compiling anyhow v1.0.86
[INFO] [stderr]    Compiling syn v2.0.75
[INFO] [stderr]    Compiling thiserror-impl v1.0.63
[INFO] [stderr]     Checking thiserror v1.0.63
[INFO] [stderr]     Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/parser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         while true {
[INFO] [stdout]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: denote infinite loops with `loop { ... }`
[INFO] [stdout]   --> src/parser.rs:74:9
[INFO] [stdout]    |
[INFO] [stdout] 74 |         while true {
[INFO] [stdout]    |         ^^^^^^^^^^ help: use `loop`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(while_true)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/lox_function.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::{Ref, RefCell}, rc::Rc};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Ref`
[INFO] [stdout]  --> src/lox_function.rs:1:18
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::{Ref, RefCell}, rc::Rc};
[INFO] [stdout]   |                  ^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la`
[INFO] [stdout]   --> src/expr.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |             LoxCallables::LoxAnonymous(la) => write!(f, "<anonymous fn>"),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_la`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `la`
[INFO] [stdout]   --> src/expr.rs:76:40
[INFO] [stdout]    |
[INFO] [stdout] 76 |             LoxCallables::LoxAnonymous(la) => write!(f, "<anonymous fn>"),
[INFO] [stdout]    |                                        ^^ help: if this is intentional, prefix it with an underscore: `_la`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/evaluator.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 352 | pub struct RuntimeError {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 353 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeError` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> src/expr.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]  --> src/lox_callable.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait LoxCallable {
[INFO] [stdout]   |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn to_string(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/expr.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn unescape(s: &str) -> Cow<str> {
[INFO] [stdout]    |                    ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn unescape(s: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lox_function.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Clone, PartialEq, Debug)]
[INFO] [stdout]    |                   --------- in this derive macro expansion
[INFO] [stdout] 12 |   pub struct LoxAnonymous {
[INFO] [stdout] 13 | /     callq: fn(
[INFO] [stdout] 14 | |         &mut Evaluator,
[INFO] [stdout] 15 | |         Vec<Literal>,
[INFO] [stdout] 16 | |     ) -> Result<Option<Box<Literal>>, RuntimeException>,
[INFO] [stdout]    | |_______________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lox_function.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, PartialEq, Debug)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 17 |     arrity: fn() -> usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `token` is never read
[INFO] [stdout]    --> src/evaluator.rs:353:9
[INFO] [stdout]     |
[INFO] [stdout] 352 | pub struct RuntimeError {
[INFO] [stdout]     |            ------------ field in this struct
[INFO] [stdout] 353 |     pub token: Token,
[INFO] [stdout]     |         ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `RuntimeError` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: enum `UnaryOp` is never used
[INFO] [stdout]   --> src/expr.rs:67:10
[INFO] [stdout]    |
[INFO] [stdout] 67 | pub enum UnaryOp {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `to_string` is never used
[INFO] [stdout]  --> src/lox_callable.rs:6:8
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub trait LoxCallable {
[INFO] [stdout]   |           ----------- method in this trait
[INFO] [stdout] ...
[INFO] [stdout] 6 |     fn to_string(&self) -> String;
[INFO] [stdout]   |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing
[INFO] [stdout]   --> src/expr.rs:81:20
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn unescape(s: &str) -> Cow<str> {
[INFO] [stdout]    |                    ^^^^     ^^^^^^^^ the same lifetime is hidden here
[INFO] [stdout]    |                    |
[INFO] [stdout]    |                    the lifetime is elided 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: use `'_` for type paths
[INFO] [stdout]    |
[INFO] [stdout] 81 | pub fn unescape(s: &str) -> Cow<'_, str> {
[INFO] [stdout]    |                                 +++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lox_function.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |   #[derive(Clone, PartialEq, Debug)]
[INFO] [stdout]    |                   --------- in this derive macro expansion
[INFO] [stdout] 12 |   pub struct LoxAnonymous {
[INFO] [stdout] 13 | /     callq: fn(
[INFO] [stdout] 14 | |         &mut Evaluator,
[INFO] [stdout] 15 | |         Vec<Literal>,
[INFO] [stdout] 16 | |     ) -> Result<Option<Box<Literal>>, RuntimeException>,
[INFO] [stdout]    | |_______________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout]    = note: `#[warn(unpredictable_function_pointer_comparisons)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function pointer comparisons do not produce meaningful results since their addresses are not guaranteed to be unique
[INFO] [stdout]   --> src/lox_function.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | #[derive(Clone, PartialEq, Debug)]
[INFO] [stdout]    |                 --------- in this derive macro expansion
[INFO] [stdout] ...
[INFO] [stdout] 17 |     arrity: fn() -> usize,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: the address of the same function can vary between different codegen units
[INFO] [stdout]    = note: furthermore, different functions could have the same address after being merged together
[INFO] [stdout]    = note: for more information visit <https://doc.rust-lang.org/nightly/core/ptr/fn.fn_addr_eq.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s
[INFO] running `Command { std: "docker" "inspect" "61b6d67fee5676ec1f30e0d910d2d85db3c937606751f9aa0386f8739ec1a790", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "61b6d67fee5676ec1f30e0d910d2d85db3c937606751f9aa0386f8739ec1a790", kill_on_drop: false }`
[INFO] [stdout] 61b6d67fee5676ec1f30e0d910d2d85db3c937606751f9aa0386f8739ec1a790