[INFO] updating cached repository https://github.com/aaronyoo/monkey-rs
[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/aaronyoo/monkey-rs
[INFO] [stderr]    3d3d5ce..412bc09  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 412bc0947cbbd23744ec3cf43a0777ff37caff4f
[INFO] testing aaronyoo/monkey-rs against try#41997647ba6a77908f6ef64401414feb00bccf16 for pr-71274
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faaronyoo%2Fmonkey-rs" "/workspace/builds/worker-0/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aaronyoo/monkey-rs on toolchain 41997647ba6a77908f6ef64401414feb00bccf16
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aaronyoo/monkey-rs
[INFO] finished tweaking git repo https://github.com/aaronyoo/monkey-rs
[INFO] tweaked toml for git repo https://github.com/aaronyoo/monkey-rs written to /workspace/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/aaronyoo/monkey-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+41997647ba6a77908f6ef64401414feb00bccf16" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 34abf97c71171bddb18550cd705669bfc8ab2bdbdba71432aa7b89c4f384c8fd
[INFO] running `"docker" "start" "-a" "34abf97c71171bddb18550cd705669bfc8ab2bdbdba71432aa7b89c4f384c8fd"`
[INFO] [stderr]    Compiling libc v0.2.68
[INFO] [stderr]    Compiling textwrap v0.11.0
[INFO] [stderr]    Compiling atty v0.2.14
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::parser::Error::UnexpectedTokenType`
[INFO] [stderr]  --> src/parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::parser::Error::UnexpectedTokenType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::TokenType::Ident`
[INFO] [stderr]  --> src/parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::token::TokenType::Ident;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::Token`
[INFO] [stderr]  --> src/repl.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::TokenType`
[INFO] [stderr]  --> src/repl.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::token::TokenType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut stmt = ExpressionStatement {
[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/repl.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut lexer = Lexer::new(program.as_str());
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]  --> src/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Program(Program),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]  --> src/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Statement(Statement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Expression(Expression),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PrefixParserFn`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type PrefixParserFn = fn() -> Result<Expression>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InfixParserFn`
[INFO] [stderr]   --> src/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | type InfixParserFn = fn(Expression) -> Result<Expression>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_precedence`
[INFO] [stderr]   --> src/parser.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedEnd`
[INFO] [stderr]    --> src/parser.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     UnexpectedEnd,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 13.71s
[INFO] running `"docker" "inspect" "34abf97c71171bddb18550cd705669bfc8ab2bdbdba71432aa7b89c4f384c8fd"`
[INFO] running `"docker" "rm" "-f" "34abf97c71171bddb18550cd705669bfc8ab2bdbdba71432aa7b89c4f384c8fd"`
[INFO] [stdout] 34abf97c71171bddb18550cd705669bfc8ab2bdbdba71432aa7b89c4f384c8fd
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen" "--no-run"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] e3ba81d467dedea6de4fc659a70ee837daf36ab37879e7dd3b1471c19a283411
[INFO] running `"docker" "start" "-a" "e3ba81d467dedea6de4fc659a70ee837daf36ab37879e7dd3b1471c19a283411"`
[INFO] [stderr]    Compiling monkey v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `crate::parser::Error::UnexpectedTokenType`
[INFO] [stderr]  --> src/parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::parser::Error::UnexpectedTokenType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::TokenType::Ident`
[INFO] [stderr]  --> src/parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::token::TokenType::Ident;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::Token`
[INFO] [stderr]  --> src/repl.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::TokenType`
[INFO] [stderr]  --> src/repl.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::token::TokenType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut stmt = ExpressionStatement {
[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/repl.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut lexer = Lexer::new(program.as_str());
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]  --> src/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Program(Program),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]  --> src/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Statement(Statement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Expression(Expression),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PrefixParserFn`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type PrefixParserFn = fn() -> Result<Expression>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InfixParserFn`
[INFO] [stderr]   --> src/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | type InfixParserFn = fn(Expression) -> Result<Expression>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_precedence`
[INFO] [stderr]   --> src/parser.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedEnd`
[INFO] [stderr]    --> src/parser.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     UnexpectedEnd,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 1.69s
[INFO] running `"docker" "inspect" "e3ba81d467dedea6de4fc659a70ee837daf36ab37879e7dd3b1471c19a283411"`
[INFO] running `"docker" "rm" "-f" "e3ba81d467dedea6de4fc659a70ee837daf36ab37879e7dd3b1471c19a283411"`
[INFO] [stdout] e3ba81d467dedea6de4fc659a70ee837daf36ab37879e7dd3b1471c19a283411
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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" "+41997647ba6a77908f6ef64401414feb00bccf16" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 23c3d95b96915491d43754bf9fc232388d24f8b61635e8406fcd66ffc30687bc
[INFO] running `"docker" "start" "-a" "23c3d95b96915491d43754bf9fc232388d24f8b61635e8406fcd66ffc30687bc"`
[INFO] [stderr] warning: unused import: `crate::parser::Error::UnexpectedTokenType`
[INFO] [stderr]  --> src/parser.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use crate::parser::Error::UnexpectedTokenType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::TokenType::Ident`
[INFO] [stderr]  --> src/parser.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use crate::token::TokenType::Ident;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::collections::HashMap`
[INFO] [stderr]  --> src/parser.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 | use std::collections::HashMap;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::Token`
[INFO] [stderr]  --> src/repl.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use crate::token::Token;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::token::TokenType`
[INFO] [stderr]  --> src/repl.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::token::TokenType;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]    --> src/parser.rs:163:13
[INFO] [stderr]     |
[INFO] [stderr] 163 |         let mut stmt = ExpressionStatement {
[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/repl.rs:14:13
[INFO] [stderr]    |
[INFO] [stderr] 14 |         let mut lexer = Lexer::new(program.as_str());
[INFO] [stderr]    |             ----^^^^^
[INFO] [stderr]    |             |
[INFO] [stderr]    |             help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Program`
[INFO] [stderr]  --> src/ast.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     Program(Program),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Statement`
[INFO] [stderr]  --> src/ast.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     Statement(Statement),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `Expression`
[INFO] [stderr]  --> src/ast.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     Expression(Expression),
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `PrefixParserFn`
[INFO] [stderr]   --> src/parser.rs:11:1
[INFO] [stderr]    |
[INFO] [stderr] 11 | type PrefixParserFn = fn() -> Result<Expression>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `InfixParserFn`
[INFO] [stderr]   --> src/parser.rs:12:1
[INFO] [stderr]    |
[INFO] [stderr] 12 | type InfixParserFn = fn(Expression) -> Result<Expression>;
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `peek_precedence`
[INFO] [stderr]   --> src/parser.rs:51:5
[INFO] [stderr]    |
[INFO] [stderr] 51 |     fn peek_precedence(&self) -> Precedence {
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `UnexpectedEnd`
[INFO] [stderr]    --> src/parser.rs:319:5
[INFO] [stderr]     |
[INFO] [stderr] 319 |     UnexpectedEnd,
[INFO] [stderr]     |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/monkey-0ca1096297687cde
[INFO] [stdout] 
[INFO] [stdout] running 2 tests
[INFO] [stdout] test lexer::tests::test_lex_2 ... ok
[INFO] [stdout] test lexer::tests::test_lex_1 ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 2 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "23c3d95b96915491d43754bf9fc232388d24f8b61635e8406fcd66ffc30687bc"`
[INFO] running `"docker" "rm" "-f" "23c3d95b96915491d43754bf9fc232388d24f8b61635e8406fcd66ffc30687bc"`
[INFO] [stdout] 23c3d95b96915491d43754bf9fc232388d24f8b61635e8406fcd66ffc30687bc