[INFO] cloning repository https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/umangshrestha/yet-another-interpreter-in-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b7f3b344f60c1aa4bc5b7297fa86681c55abc4c0
[INFO] testing umangshrestha/yet-another-interpreter-in-rust against master#1871252fc8bb672d40787e67404e6eaae7059369 for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust on toolchain 1871252fc8bb672d40787e67404e6eaae7059369
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/umangshrestha/yet-another-interpreter-in-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" "+1871252fc8bb672d40787e67404e6eaae7059369" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 39758855a97be2995b6161599701ee1287e88cd3486430aa62532d4bcafed0e6
[INFO] running `Command { std: "docker" "start" "-a" "39758855a97be2995b6161599701ee1287e88cd3486430aa62532d4bcafed0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "39758855a97be2995b6161599701ee1287e88cd3486430aa62532d4bcafed0e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "39758855a97be2995b6161599701ee1287e88cd3486430aa62532d4bcafed0e6", kill_on_drop: false }`
[INFO] [stdout] 39758855a97be2995b6161599701ee1287e88cd3486430aa62532d4bcafed0e6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 833ffd2091f5095031d687cbbd2073bc2729ed522e7765f69b32e55e70bdb3b3
[INFO] running `Command { std: "docker" "start" "-a" "833ffd2091f5095031d687cbbd2073bc2729ed522e7765f69b32e55e70bdb3b3", kill_on_drop: false }`
[INFO] [stderr]    Compiling rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.89s
[INFO] running `Command { std: "docker" "inspect" "833ffd2091f5095031d687cbbd2073bc2729ed522e7765f69b32e55e70bdb3b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "833ffd2091f5095031d687cbbd2073bc2729ed522e7765f69b32e55e70bdb3b3", kill_on_drop: false }`
[INFO] [stdout] 833ffd2091f5095031d687cbbd2073bc2729ed522e7765f69b32e55e70bdb3b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 90d728b3dbdbdc70881586c8d325df815b081ae85d1afdbd82fa3982c80c50ce
[INFO] running `Command { std: "docker" "start" "-a" "90d728b3dbdbdc70881586c8d325df815b081ae85d1afdbd82fa3982c80c50ce", kill_on_drop: false }`
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]    Compiling rlisp v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/mod.rs:1:62
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stdout]   |                                                              ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stdout]   |                                                         ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stdout]   |                              ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `environment`
[INFO] [stdout]  --> src/object/function.rs:3:77
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stdout]   |                                                                             ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Error`, `LiteralType`, `TokenType`
[INFO] [stdout]  --> src/interpretor/mod.rs:4:50
[INFO] [stdout]   |
[INFO] [stdout] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stdout]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stdout] 5 |     TokenType,
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `TokenType`
[INFO] [stdout]  --> src/interpretor/expr.rs:1:79
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stdout]   |                                                                               ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stdout]     |
[INFO] [stdout] 135 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stdout]     |
[INFO] [stdout] 113 |                 let mut s = String::new();
[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: variable does not need to be mutable
[INFO] [stdout]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let mut s = String::new();
[INFO] [stdout]     |                     ----^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:35:57
[INFO] [stdout]    |
[INFO] [stdout] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:77:13
[INFO] [stdout]    |
[INFO] [stdout] 77 |         let object = self.eval(object)?;
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `object`
[INFO] [stdout]   --> src/interpretor/expr.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |         object: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |         name: &String,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `value`
[INFO] [stdout]   --> src/interpretor/expr.rs:90:9
[INFO] [stdout]    |
[INFO] [stdout] 90 |         value: &Box<Expr>,
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:91:9
[INFO] [stdout]    |
[INFO] [stdout] 91 |         span: &Span,
[INFO] [stdout]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:36
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]   --> src/interpretor/expr.rs:95:51
[INFO] [stdout]    |
[INFO] [stdout] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stdout]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpretor/stmt.rs:103:9
[INFO] [stdout]     |
[INFO] [stdout] 103 |         name: &String,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `super_class`
[INFO] [stdout]    --> src/interpretor/stmt.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         super_class: &Option<String>,
[INFO] [stdout]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `methods`
[INFO] [stdout]    --> src/interpretor/stmt.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         methods: &Vec<Stmt>,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         span: &Span,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:111:36
[INFO] [stdout]     |
[INFO] [stdout] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `span`
[INFO] [stdout]    --> src/interpretor/stmt.rs:115:39
[INFO] [stdout]     |
[INFO] [stdout] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stdout]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/object/function.rs:45:21
[INFO] [stdout]    |
[INFO] [stdout] 45 | /                     environment
[INFO] [stdout] 46 | |                         .define(param
[INFO] [stdout] 47 | |                             .clone(), argument.to_owned(), false);
[INFO] [stdout]    | |_________________________________________________________________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 45 |                     let _ = environment
[INFO] [stdout]    |                     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 26 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.95s
[INFO] running `Command { std: "docker" "inspect" "90d728b3dbdbdc70881586c8d325df815b081ae85d1afdbd82fa3982c80c50ce", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "90d728b3dbdbdc70881586c8d325df815b081ae85d1afdbd82fa3982c80c50ce", kill_on_drop: false }`
[INFO] [stdout] 90d728b3dbdbdc70881586c8d325df815b081ae85d1afdbd82fa3982c80c50ce
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+1871252fc8bb672d40787e67404e6eaae7059369" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 53aca40ab9cb6ed1a5e75d1d33e34ce6c856c9cd0c0d5540d54a96a4c948b674
[INFO] running `Command { std: "docker" "start" "-a" "53aca40ab9cb6ed1a5e75d1d33e34ce6c856c9cd0c0d5540d54a96a4c948b674", kill_on_drop: false }`
[INFO] [stderr] warning: unused import: `TokenType`
[INFO] [stderr]  --> src/ast/expr/mod.rs:1:62
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{ErrorInfo, LiteralType, Object, Span, TokenInfo, TokenType};
[INFO] [stderr]   |                                                              ^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TokenType`
[INFO] [stderr]  --> src/ast/expr/visitor.rs:1:57
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{ErrorInfo, Expr, LiteralType, Object, Span, TokenType, TokenInfo};
[INFO] [stderr]   |                                                         ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Object`
[INFO] [stderr]  --> src/ast/stmt/mod.rs:1:30
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{ErrorInfo, Expr, Object, Span};
[INFO] [stderr]   |                              ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `environment`
[INFO] [stderr]  --> src/object/function.rs:3:77
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::{Environment, Error, ErrorInfo, Interpretor, Object, Span, Stmt, environment};
[INFO] [stderr]   |                                                                             ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Error`, `LiteralType`, `TokenType`
[INFO] [stderr]  --> src/interpretor/mod.rs:4:50
[INFO] [stderr]   |
[INFO] [stderr] 4 |     ast::Program, object::Function, Environment, Error, ErrorInfo, Expr, LiteralType, Object, Stmt,
[INFO] [stderr]   |                                                  ^^^^^                   ^^^^^^^^^^^
[INFO] [stderr] 5 |     TokenType,
[INFO] [stderr]   |     ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `TokenType`
[INFO] [stderr]  --> src/interpretor/expr.rs:1:79
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::{visitor, ErrorInfo, Expr, Interpretor, LiteralType, Object, Span, TokenType, TokenInfo, Error};
[INFO] [stderr]   |                                                                               ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/ast/stmt/mod.rs:113:25
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let mut s = String::new();
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]    --> src/ast/stmt/mod.rs:135:17
[INFO] [stderr]     |
[INFO] [stderr] 135 |                 body,
[INFO] [stderr]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `s`
[INFO] [stderr]    --> src/ast/stmt/mod.rs:138:25
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let mut s = String::new();
[INFO] [stderr]     |                         ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/ast/stmt/mod.rs:113:21
[INFO] [stderr]     |
[INFO] [stderr] 113 |                 let mut s = String::new();
[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: variable does not need to be mutable
[INFO] [stderr]    --> src/ast/stmt/mod.rs:138:21
[INFO] [stderr]     |
[INFO] [stderr] 138 |                 let mut s = String::new();
[INFO] [stderr]     |                     ----^
[INFO] [stderr]     |                     |
[INFO] [stderr]     |                     help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]   --> src/interpretor/expr.rs:35:57
[INFO] [stderr]    |
[INFO] [stderr] 35 |     fn visit_grouping_expr(&mut self, expr: &Box<Expr>, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stderr]    |                                                         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]   --> src/interpretor/expr.rs:77:13
[INFO] [stderr]    |
[INFO] [stderr] 77 |         let object = self.eval(object)?;
[INFO] [stderr]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `object`
[INFO] [stderr]   --> src/interpretor/expr.rs:88:9
[INFO] [stderr]    |
[INFO] [stderr] 88 |         object: &Box<Expr>,
[INFO] [stderr]    |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_object`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/interpretor/expr.rs:89:9
[INFO] [stderr]    |
[INFO] [stderr] 89 |         name: &String,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/interpretor/expr.rs:90:9
[INFO] [stderr]    |
[INFO] [stderr] 90 |         value: &Box<Expr>,
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]   --> src/interpretor/expr.rs:91:9
[INFO] [stderr]    |
[INFO] [stderr] 91 |         span: &Span,
[INFO] [stderr]    |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]   --> src/interpretor/expr.rs:95:36
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stderr]    |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]   --> src/interpretor/expr.rs:95:51
[INFO] [stderr]    |
[INFO] [stderr] 95 |     fn visit_super_expr(&mut self, name: &String, span: &Span) -> Result<Object, ErrorInfo> {
[INFO] [stderr]    |                                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `name`
[INFO] [stderr]    --> src/interpretor/stmt.rs:103:9
[INFO] [stderr]     |
[INFO] [stderr] 103 |         name: &String,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_name`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `super_class`
[INFO] [stderr]    --> src/interpretor/stmt.rs:104:9
[INFO] [stderr]     |
[INFO] [stderr] 104 |         super_class: &Option<String>,
[INFO] [stderr]     |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_super_class`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `methods`
[INFO] [stderr]    --> src/interpretor/stmt.rs:105:9
[INFO] [stderr]     |
[INFO] [stderr] 105 |         methods: &Vec<Stmt>,
[INFO] [stderr]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_methods`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/interpretor/stmt.rs:106:9
[INFO] [stderr]     |
[INFO] [stderr] 106 |         span: &Span,
[INFO] [stderr]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/interpretor/stmt.rs:111:36
[INFO] [stderr]     |
[INFO] [stderr] 111 |     fn visit_break_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stderr]     |                                    ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `span`
[INFO] [stderr]    --> src/interpretor/stmt.rs:115:39
[INFO] [stderr]     |
[INFO] [stderr] 115 |     fn visit_continue_stmt(&mut self, span: &Span) -> Result<(), ErrorInfo> {
[INFO] [stderr]     |                                       ^^^^ help: if this is intentional, prefix it with an underscore: `_span`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `Result` that must be used
[INFO] [stderr]   --> src/object/function.rs:45:21
[INFO] [stderr]    |
[INFO] [stderr] 45 | /                     environment
[INFO] [stderr] 46 | |                         .define(param
[INFO] [stderr] 47 | |                             .clone(), argument.to_owned(), false);
[INFO] [stderr]    | |_________________________________________________________________^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] help: use `let _ = ...` to ignore the resulting value
[INFO] [stderr]    |
[INFO] [stderr] 45 |                     let _ = environment
[INFO] [stderr]    |                     +++++++
[INFO] [stderr] 
[INFO] [stderr] warning: `rlisp` (lib) generated 26 warnings (run `cargo fix --lib -p rlisp` to apply 8 suggestions)
[INFO] [stderr] warning: `rlisp` (lib test) generated 26 warnings (26 duplicates)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.01s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/rlisp-248657510aa64917)
[INFO] [stdout] 
[INFO] [stdout] running 16 tests
[INFO] [stdout] test environment::test::test_assign ... ok
[INFO] [stdout] test interpretor::expr::test::test_constant ... ok
[INFO] [stdout] test lexer::tests::test_assignment ... ok
[INFO] [stdout] test interpretor::expr::test::test_literal ... ok
[INFO] [stdout] test environment::test::test_const_with_nil ... ok
[INFO] [stdout] test lexer::tests::test_function ... ok
[INFO] [stdout] test lexer::tests::test_identifier ... ok
[INFO] [stdout] test lexer::tests::test_unknown_character ... ok
[INFO] [stdout] test lexer::tests::test_symbols ... ok
[INFO] [stdout] test parser::tests::test_assignment ... ok
[INFO] [stdout] test parser::tests::test_hello_world ... ok
[INFO] [stdout] test parser::tests::test_negative_unary ... ok
[INFO] [stdout] test parser::tests::test_if ... ok
[INFO] [stdout] test token::keywords::tests::test_identifier ... ok
[INFO] [stdout] test token::keywords::tests::test_keywords ... ok
[INFO] [stdout] test token::token_type::tests::test_token_literal ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 16 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rlisp-6936b8644180f688)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests rlisp
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "53aca40ab9cb6ed1a5e75d1d33e34ce6c856c9cd0c0d5540d54a96a4c948b674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "53aca40ab9cb6ed1a5e75d1d33e34ce6c856c9cd0c0d5540d54a96a4c948b674", kill_on_drop: false }`
[INFO] [stdout] 53aca40ab9cb6ed1a5e75d1d33e34ce6c856c9cd0c0d5540d54a96a4c948b674
[INFO] testing umangshrestha/yet-another-interpreter-in-rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/umangshrestha/yet-another-interpreter-in-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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fdd98bf27774f49f79c02605c3b7702ba0092c7824adaea82f019674f4808b9c
[INFO] running `Command { std: "docker" "start" "-a" "fdd98bf27774f49f79c02605c3b7702ba0092c7824adaea82f019674f4808b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fdd98bf27774f49f79c02605c3b7702ba0092c7824adaea82f019674f4808b9c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fdd98bf27774f49f79c02605c3b7702ba0092c7824adaea82f019674f4808b9c", kill_on_drop: false }`
[INFO] [stdout] fdd98bf27774f49f79c02605c3b7702ba0092c7824adaea82f019674f4808b9c
[INFO] testing umangshrestha/yet-another-interpreter-in-rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust on toolchain b642703cf9526da1e72c0b6755753b939a9c6b6d
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] finished tweaking git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust
[INFO] tweaked toml for git repo https://github.com/umangshrestha/yet-another-interpreter-in-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/umangshrestha/yet-another-interpreter-in-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" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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@sha256:59a85a07ab18ca8720692f8e61effa1c651d9e2ca591e072c2b212bb91a6b8b5" "/opt/rustwide/cargo-home/bin/cargo" "+b642703cf9526da1e72c0b6755753b939a9c6b6d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] Error response from daemon: mkdir /var/lib/docker/overlay2/2565def0b6d083ce46942bb6ae83b5f22a77025c73bc899431a946cf9e3678c3-init: no space left on device
[INFO] testing umangshrestha/yet-another-interpreter-in-rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/token/token_type.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] testing umangshrestha/yet-another-interpreter-in-rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/token/token_type.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[INFO] testing umangshrestha/yet-another-interpreter-in-rust against try#b642703cf9526da1e72c0b6755753b939a9c6b6d for pr-125151
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fumangshrestha%2Fyet-another-interpreter-in-rust" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] [stderr] error: unable to write file src/token/token_info.rs
[INFO] [stderr] error: unable to write file src/token/token_type.rs
[INFO] [stderr] fatal: unable to checkout working tree
[INFO] [stderr] warning: Clone succeeded, but checkout failed.
[INFO] [stderr] You can inspect what was checked out with 'git status'
[INFO] [stderr] and retry with 'git restore --source=HEAD :/'
[INFO] [stderr] 
[ERROR] this task or one of its parent failed!
[ERROR] failed to checkout https://github.com/umangshrestha/yet-another-interpreter-in-rust
[ERROR] caused by: command failed: exit status: 128
[ERROR] note: run with `RUST_BACKTRACE=1` to display a backtrace.