[INFO] updating cached repository https://github.com/philmein23/interpreter
[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] [stderr] From https://github.com/philmein23/interpreter
[INFO] [stderr]    dd41ccc..0173612  evaluator  -> evaluator
[INFO] [stderr]    e6c42e7..8686cdd  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8686cdd9387f44b3c8505ce0105ef6bb688bdf60
[INFO] checking philmein23/interpreter against try#f149601db42efe10ece8b284ab681fd4a6fcb89c for pr-68766
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fphilmein23%2Finterpreter" "/workspace/builds/worker-12/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/philmein23/interpreter on toolchain f149601db42efe10ece8b284ab681fd4a6fcb89c
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/philmein23/interpreter
[INFO] finished tweaking git repo https://github.com/philmein23/interpreter
[INFO] tweaked toml for git repo https://github.com/philmein23/interpreter written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/philmein23/interpreter already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "+f149601db42efe10ece8b284ab681fd4a6fcb89c" "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] 0e54cd60a6254181a73ea8c3e0859acb84c68637c70c78ded84850ed9ebd276b
[INFO] running `"docker" "start" "-a" "0e54cd60a6254181a73ea8c3e0859acb84c68637c70c78ded84850ed9ebd276b"`
[INFO] [stderr]     Checking interpreter v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::token::Token`
[INFO] [stderr]  --> src/ast/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stderr]   --> src/ast/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     NOT_EQ,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expression`, `Statement`, `self`
[INFO] [stderr]  --> src/object/mod.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::{self, Expression, Infix, Prefix, Statement};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^^^^                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stderr]   --> src/token/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     NOT_EQ,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::Token`
[INFO] [stderr]  --> src/ast/mod.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stderr]   --> src/ast/mod.rs:83:5
[INFO] [stderr]    |
[INFO] [stderr] 83 |     NOT_EQ,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Expression`, `Statement`, `self`
[INFO] [stderr]  --> src/object/mod.rs:1:18
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::ast::{self, Expression, Infix, Prefix, Statement};
[INFO] [stderr]   |                  ^^^^  ^^^^^^^^^^                 ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `NOT_EQ` should have an upper camel case name
[INFO] [stderr]   --> src/token/mod.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     NOT_EQ,
[INFO] [stderr]    |     ^^^^^^ help: convert the identifier to upper camel case: `NotEq`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/eval/mod.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         _ => Err(EvalError::General("no existence of statement".to_string())),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/eval/mod.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         _ => Ok(Object::Null),
[INFO] [stderr]    |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/repl/mod.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut lexer = Lexer::new(input);
[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: variant is never constructed: `NotCallable`
[INFO] [stderr]   --> src/object/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     NotCallable(Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WrongArgumentCount`
[INFO] [stderr]   --> src/object/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     WrongArgumentCount { expected: usize, given: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedArguments`
[INFO] [stderr]   --> src/object/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     UnsupportedArguments(String, Vec<Object>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnknownIndexOperator`
[INFO] [stderr]   --> src/object/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     UnknownIndexOperator(Object, Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKey`
[INFO] [stderr]   --> src/object/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     UnsupportedHashKey(Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `expectPeek` should have a snake case name
[INFO] [stderr]    --> src/parser/mod.rs:436:8
[INFO] [stderr]     |
[INFO] [stderr] 436 |     fn expectPeek(&mut self, expected: Token) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `expect_peek`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `peekError` should have a snake case name
[INFO] [stderr]    --> src/parser/mod.rs:445:8
[INFO] [stderr]     |
[INFO] [stderr] 445 |     fn peekError(&mut self, token: Token) {
[INFO] [stderr]     |        ^^^^^^^^^ help: convert the identifier to snake case: `peek_error`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/eval/mod.rs:37:9
[INFO] [stderr]    |
[INFO] [stderr] 37 |         _ => Err(EvalError::General("no existence of statement".to_string())),
[INFO] [stderr]    |         ^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]   --> src/eval/mod.rs:82:9
[INFO] [stderr]    |
[INFO] [stderr] 82 |         _ => Ok(Object::Null),
[INFO] [stderr]    |         ^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:482:13
[INFO] [stderr]     |
[INFO] [stderr] 482 |         let mut lexer = Lexer::new(input.to_string());
[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/parser/mod.rs:518:13
[INFO] [stderr]     |
[INFO] [stderr] 518 |         let mut lexer = Lexer::new(input.to_string());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:541:13
[INFO] [stderr]     |
[INFO] [stderr] 541 |         let mut lexer = Lexer::new(input.to_string());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:563:13
[INFO] [stderr]     |
[INFO] [stderr] 563 |         let mut lexer = Lexer::new(input.to_string());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:604:13
[INFO] [stderr]     |
[INFO] [stderr] 604 |         let mut lexer = Lexer::new(input.to_string());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:663:13
[INFO] [stderr]     |
[INFO] [stderr] 663 |         let mut lexer = Lexer::new(input.to_string());
[INFO] [stderr]     |             ----^^^^^
[INFO] [stderr]     |             |
[INFO] [stderr]     |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser/mod.rs:715:17
[INFO] [stderr]     |
[INFO] [stderr] 715 |             let mut lexer = Lexer::new(input.to_string());
[INFO] [stderr]     |                 ----^^^^^
[INFO] [stderr]     |                 |
[INFO] [stderr]     |                 help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]   --> src/repl/mod.rs:19:13
[INFO] [stderr]    |
[INFO] [stderr] 19 |         let mut lexer = Lexer::new(input);
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `NotCallable`
[INFO] [stderr]   --> src/object/mod.rs:43:5
[INFO] [stderr]    |
[INFO] [stderr] 43 |     NotCallable(Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `WrongArgumentCount`
[INFO] [stderr]   --> src/object/mod.rs:44:5
[INFO] [stderr]    |
[INFO] [stderr] 44 |     WrongArgumentCount { expected: usize, given: usize },
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedArguments`
[INFO] [stderr]   --> src/object/mod.rs:45:5
[INFO] [stderr]    |
[INFO] [stderr] 45 |     UnsupportedArguments(String, Vec<Object>),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnknownIndexOperator`
[INFO] [stderr]   --> src/object/mod.rs:46:5
[INFO] [stderr]    |
[INFO] [stderr] 46 |     UnknownIndexOperator(Object, Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnsupportedHashKey`
[INFO] [stderr]   --> src/object/mod.rs:47:5
[INFO] [stderr]    |
[INFO] [stderr] 47 |     UnsupportedHashKey(Object),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `expectPeek` should have a snake case name
[INFO] [stderr]    --> src/parser/mod.rs:436:8
[INFO] [stderr]     |
[INFO] [stderr] 436 |     fn expectPeek(&mut self, expected: Token) -> bool {
[INFO] [stderr]     |        ^^^^^^^^^^ help: convert the identifier to snake case: `expect_peek`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `peekError` should have a snake case name
[INFO] [stderr]    --> src/parser/mod.rs:445:8
[INFO] [stderr]     |
[INFO] [stderr] 445 |     fn peekError(&mut self, token: Token) {
[INFO] [stderr]     |        ^^^^^^^^^ help: convert the identifier to snake case: `peek_error`
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.73s
[INFO] running `"docker" "inspect" "0e54cd60a6254181a73ea8c3e0859acb84c68637c70c78ded84850ed9ebd276b"`
[INFO] running `"docker" "rm" "-f" "0e54cd60a6254181a73ea8c3e0859acb84c68637c70c78ded84850ed9ebd276b"`
[INFO] [stdout] 0e54cd60a6254181a73ea8c3e0859acb84c68637c70c78ded84850ed9ebd276b