[INFO] cloning repository https://github.com/Misakait/MskLang-interpreter-rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Misakait/MskLang-interpreter-rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMisakait%2FMskLang-interpreter-rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMisakait%2FMskLang-interpreter-rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] c1a4998167b411eaf75db5b542b961b44cd2a93a
[INFO] checking Misakait/MskLang-interpreter-rust against try#987a165cfab916796a8315782b83ac460a651ce2 for pr-145262
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMisakait%2FMskLang-interpreter-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] started tweaking git repo https://github.com/Misakait/MskLang-interpreter-rust
[INFO] finished tweaking git repo https://github.com/Misakait/MskLang-interpreter-rust
[INFO] tweaked toml for git repo https://github.com/Misakait/MskLang-interpreter-rust written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/Misakait/MskLang-interpreter-rust on toolchain 987a165cfab916796a8315782b83ac460a651ce2
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/Misakait/MskLang-interpreter-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" "+987a165cfab916796a8315782b83ac460a651ce2" "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] 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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1aa33940a99d029138ee52e0f863a4e49b6ef8ba3f48fba0c56df589696000a5
[INFO] running `Command { std: "docker" "start" "-a" "1aa33940a99d029138ee52e0f863a4e49b6ef8ba3f48fba0c56df589696000a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1aa33940a99d029138ee52e0f863a4e49b6ef8ba3f48fba0c56df589696000a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1aa33940a99d029138ee52e0f863a4e49b6ef8ba3f48fba0c56df589696000a5", kill_on_drop: false }`
[INFO] [stdout] 1aa33940a99d029138ee52e0f863a4e49b6ef8ba3f48fba0c56df589696000a5
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+987a165cfab916796a8315782b83ac460a651ce2" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb87b2f590f9bd8a996301f7564fe6283591804af364fa2d7a9569b5c9f80300
[INFO] running `Command { std: "docker" "start" "-a" "cb87b2f590f9bd8a996301f7564fe6283591804af364fa2d7a9569b5c9f80300", kill_on_drop: false }`
[INFO] [stderr]     Checking memchr v2.7.5
[INFO] [stderr]     Checking regex-syntax v0.8.5
[INFO] [stderr]     Checking log v0.4.27
[INFO] [stderr]     Checking humantime v2.2.0
[INFO] [stderr]     Checking is-terminal v0.4.16
[INFO] [stderr]     Checking aho-corasick v1.1.3
[INFO] [stderr]     Checking regex-automata v0.4.9
[INFO] [stderr]     Checking regex v1.11.1
[INFO] [stderr]     Checking env_logger v0.10.2
[INFO] [stderr]     Checking pretty_env_logger v0.5.0
[INFO] [stderr]     Checking codecrafters-interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `log::error`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/parser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/interpreter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/interpreter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_env_logger::env_logger::init_from_env`
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pretty_env_logger::env_logger::init_from_env;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Expr`
[INFO] [stdout]  --> src/control_flow.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/user_fun.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::error`
[INFO] [stdout]  --> src/parser.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::error;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/parser.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fmt::format`
[INFO] [stdout]  --> src/ast.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use std::fmt::format;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/interpreter.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/interpreter.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `pretty_env_logger::env_logger::init_from_env`
[INFO] [stdout]   --> src/interpreter.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 | use pretty_env_logger::env_logger::init_from_env;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::ast::Expr`
[INFO] [stdout]  --> src/control_flow.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::ast::Expr;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]  --> src/user_fun.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use log::info;
[INFO] [stdout]   |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `log::info`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 | use log::info;
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::callable::Callable`
[INFO] [stdout]   --> src/interpreter.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::callable::Callable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/user_fun.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::callable::Callable`
[INFO] [stdout]   --> src/interpreter.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::callable::Callable;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpreter.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 Stmt::If { name, condition, then_branch, else_branch } => {
[INFO] [stdout]    |                            ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::borrow::BorrowMut`
[INFO] [stdout]  --> src/user_fun.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::borrow::BorrowMut;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpreter.rs:88:31
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 Stmt::While { name, condition, body } => {
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Stmt::For { name, initializer, condition, increment, body } => {
[INFO] [stdout]     |                             ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:178:32
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 Stmt::Return { name, value } => {
[INFO] [stdout]     |                                ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpreter.rs:69:28
[INFO] [stdout]    |
[INFO] [stdout] 69 |                 Stmt::If { name, condition, then_branch, else_branch } => {
[INFO] [stdout]    |                            ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]   --> src/interpreter.rs:88:31
[INFO] [stdout]    |
[INFO] [stdout] 88 |                 Stmt::While { name, condition, body } => {
[INFO] [stdout]    |                               ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:103:29
[INFO] [stdout]     |
[INFO] [stdout] 103 |                 Stmt::For { name, initializer, condition, increment, body } => {
[INFO] [stdout]     |                             ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/interpreter.rs:178:32
[INFO] [stdout]     |
[INFO] [stdout] 178 |                 Stmt::Return { name, value } => {
[INFO] [stdout]     |                                ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ast.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Break {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 147 |         name: Token,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ast.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Continue {
[INFO] [stdout]     |     -------- field in this variant
[INFO] [stdout] 150 |         name: Token,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]  --> src/control_flow.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ControlFlow {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Return(MskValue), // Return 可以携带一个可选的返回值
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ControlFlow` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `closure` are never read
[INFO] [stdout]   --> src/user_fun.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UserFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 13 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub closure: Rc<RefCell<Environment>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ast.rs:147:9
[INFO] [stdout]     |
[INFO] [stdout] 146 |     Break {
[INFO] [stdout]     |     ----- field in this variant
[INFO] [stdout] 147 |         name: Token,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `name` is never read
[INFO] [stdout]    --> src/ast.rs:150:9
[INFO] [stdout]     |
[INFO] [stdout] 149 |     Continue {
[INFO] [stdout]     |     -------- field in this variant
[INFO] [stdout] 150 |         name: Token,
[INFO] [stdout]     |         ^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Stmt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Return` is never constructed
[INFO] [stdout]  --> src/control_flow.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub enum ControlFlow {
[INFO] [stdout]   |          ----------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 7 |     Return(MskValue), // Return 可以携带一个可选的返回值
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `ControlFlow` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `name` and `closure` are never read
[INFO] [stdout]   --> src/user_fun.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct UserFunction {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 13 |     pub name: String,
[INFO] [stdout]    |         ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 16 |     pub closure: Rc<RefCell<Environment>>,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 3.85s
[INFO] running `Command { std: "docker" "inspect" "cb87b2f590f9bd8a996301f7564fe6283591804af364fa2d7a9569b5c9f80300", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb87b2f590f9bd8a996301f7564fe6283591804af364fa2d7a9569b5c9f80300", kill_on_drop: false }`
[INFO] [stdout] cb87b2f590f9bd8a996301f7564fe6283591804af364fa2d7a9569b5c9f80300