[INFO] updating cached repository https://github.com/wangbyby/alg_in_rust
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] d0f702ab625fb8473558474d344c0c8d6e7b796a
[INFO] checking wangbyby/alg_in_rust against try#8a5e87609850cdd8679aada01eb0f3062f254ca8 for pr-71140
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fwangbyby%2Falg_in_rust" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/wangbyby/alg_in_rust on toolchain 8a5e87609850cdd8679aada01eb0f3062f254ca8
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/wangbyby/alg_in_rust
[INFO] finished tweaking git repo https://github.com/wangbyby/alg_in_rust
[INFO] tweaked toml for git repo https://github.com/wangbyby/alg_in_rust written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/wangbyby/alg_in_rust already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+8a5e87609850cdd8679aada01eb0f3062f254ca8" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 03d9e0beecabaf6576c25ddf8131cafa5f661ba080d7876429c6b453ecb7264c
[INFO] running `"docker" "start" "-a" "03d9e0beecabaf6576c25ddf8131cafa5f661ba080d7876429c6b453ecb7264c"`
[INFO] [stderr]     Checking rand_core v0.3.1
[INFO] [stderr]     Checking rand v0.5.6
[INFO] [stderr]     Checking monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::token::token`
[INFO] [stderr]  --> src/parser/test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::token::token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/parser/test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/evaluator/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::ast`
[INFO] [stderr]  --> src/parser/test.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::ast;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::mylexer::lexer`
[INFO] [stderr]  --> src/parser/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::mylexer::lexer;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::token`
[INFO] [stderr]  --> src/parser/test.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 | use crate::token::token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::any::Any`
[INFO] [stderr]  --> src/parser/test.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::any::Any;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/evaluator/test.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/evaluator/evaluator.rs:9:9
[INFO] [stderr]     |
[INFO] [stderr] 9   |           Box::new($b)
[INFO] [stderr]     |           ^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] ...
[INFO] [stderr] 33  | /         match  node.clone().as_ref() { //关键的一行代码
[INFO] [stderr] 34  | |             Program(ref value) => return eval_program(value, &mut env)  ,
[INFO] [stderr] 35  | |             ExpressionStatement(ref value) => return eval(&value.expression,&mut env),
[INFO] [stderr] 36  | |             IntegerLiteral(ref value) =>    return new_box!(object::TheObject::Integer(value.value)),
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |             _ => return theobject_null!(),
[INFO] [stderr] 113 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 114 |           theobject_null!()
[INFO] [stderr]     |           ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable expression
[INFO] [stderr]    --> src/evaluator/evaluator.rs:9:9
[INFO] [stderr]     |
[INFO] [stderr] 9   |           Box::new($b)
[INFO] [stderr]     |           ^^^^^^^^^^^^ unreachable expression
[INFO] [stderr] ...
[INFO] [stderr] 33  | /         match  node.clone().as_ref() { //关键的一行代码
[INFO] [stderr] 34  | |             Program(ref value) => return eval_program(value, &mut env)  ,
[INFO] [stderr] 35  | |             ExpressionStatement(ref value) => return eval(&value.expression,&mut env),
[INFO] [stderr] 36  | |             IntegerLiteral(ref value) =>    return new_box!(object::TheObject::Integer(value.value)),
[INFO] [stderr] ...   |
[INFO] [stderr] 112 | |             _ => return theobject_null!(),
[INFO] [stderr] 113 | |         }
[INFO] [stderr]     | |_________- any code following this `match` expression is unreachable, as all arms diverge
[INFO] [stderr] 114 |           theobject_null!()
[INFO] [stderr]     |           ----------------- in this macro invocation
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stderr]     = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `i`
[INFO] [stderr]   --> src/parser/test.rs:28:10
[INFO] [stderr]    |
[INFO] [stderr] 28 |     for (i,(input, expected)) in tests.iter().enumerate() {
[INFO] [stderr]    |          ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `func`
[INFO] [stderr]   --> src/parser/test.rs:64:51
[INFO] [stderr]    |
[INFO] [stderr] 64 |                         ast::ASTNode::FuncLiteral(ref func) =>{
[INFO] [stderr]    |                                                   ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_func`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `body`
[INFO] [stderr]    --> src/evaluator/test.rs:178:44
[INFO] [stderr]     |
[INFO] [stderr] 178 |         object::TheObject::Func(ref params,ref body, ref env)=>{
[INFO] [stderr]     |                                            ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]    --> src/evaluator/test.rs:178:54
[INFO] [stderr]     |
[INFO] [stderr] 178 |         object::TheObject::Func(ref params,ref body, ref env)=>{
[INFO] [stderr]     |                                                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Type` should have a snake case name
[INFO] [stderr]   --> src/token/token.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub Type: TokenType,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Literal` should have a snake case name
[INFO] [stderr]   --> src/token/token.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub Literal:String,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `literal`
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `check_parse_error`
[INFO] [stderr]  --> src/parser/test.rs:9:4
[INFO] [stderr]   |
[INFO] [stderr] 9 | fn check_parse_error(p:& parser::Parser){
[INFO] [stderr]   |    ^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_eval`
[INFO] [stderr]   --> src/evaluator/test.rs:10:4
[INFO] [stderr]    |
[INFO] [stderr] 10 | fn test_eval<S: Into<String>>(input: S) ->Box<object::TheObject>{
[INFO] [stderr]    |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_int_obj`
[INFO] [stderr]   --> src/evaluator/test.rs:19:4
[INFO] [stderr]    |
[INFO] [stderr] 19 | fn test_int_obj(obj:Box<object::TheObject>, expected:i64){
[INFO] [stderr]    |    ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `test_bool_obj`
[INFO] [stderr]   --> src/evaluator/test.rs:26:4
[INFO] [stderr]    |
[INFO] [stderr] 26 | fn test_bool_obj(obj:Box<object::TheObject>, expected:bool){
[INFO] [stderr]    |    ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Type` should have a snake case name
[INFO] [stderr]   --> src/token/token.rs:68:9
[INFO] [stderr]    |
[INFO] [stderr] 68 |     pub Type: TokenType,
[INFO] [stderr]    |         ^^^^ help: convert the identifier to snake case: `type`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `Literal` should have a snake case name
[INFO] [stderr]   --> src/token/token.rs:69:9
[INFO] [stderr]    |
[INFO] [stderr] 69 |     pub Literal:String,
[INFO] [stderr]    |         ^^^^^^^ help: convert the identifier to snake case: `literal`
[INFO] [stderr] 
[INFO] [stderr] warning: 12 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 3.15s
[INFO] running `"docker" "inspect" "03d9e0beecabaf6576c25ddf8131cafa5f661ba080d7876429c6b453ecb7264c"`
[INFO] running `"docker" "rm" "-f" "03d9e0beecabaf6576c25ddf8131cafa5f661ba080d7876429c6b453ecb7264c"`
[INFO] [stdout] 03d9e0beecabaf6576c25ddf8131cafa5f661ba080d7876429c6b453ecb7264c