[INFO] cloning repository https://github.com/jawm/protolang
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jawm/protolang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawm%2Fprotolang"`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawm%2Fprotolang'...
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 529add6bdffa68d173674f024985a3650da11ee7
[INFO] testing jawm/protolang against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjawm%2Fprotolang" "/workspace/builds/worker-7/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jawm/protolang on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jawm/protolang
[INFO] finished tweaking git repo https://github.com/jawm/protolang
[INFO] tweaked toml for git repo https://github.com/jawm/protolang written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jawm/protolang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr] warning: file found to be present in multiple build targets: /workspace/builds/worker-7/source/src/main.rs
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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=warn" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stdout] ee07b510c60bf4fd2bab7127b51fe48f311120ec876fc842a968e57bc8594381
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "ee07b510c60bf4fd2bab7127b51fe48f311120ec876fc842a968e57bc8594381"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: file found to be present in multiple build targets: /opt/rustwide/workdir/src/main.rs
[INFO] [stderr]    Compiling syn v0.15.36
[INFO] [stderr]    Compiling wasm-bindgen-shared v0.2.47
[INFO] [stderr]    Compiling bumpalo v2.4.3
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling libc v0.2.55
[INFO] [stderr]    Compiling ucd-trie v0.1.2
[INFO] [stderr]    Compiling wasm-bindgen v0.2.47
[INFO] [stderr]    Compiling maplit v1.0.1
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling pest v2.1.1
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling clap v2.33.0
[INFO] [stderr]    Compiling pest_meta v2.1.1
[INFO] [stderr]    Compiling wasm-bindgen-backend v0.2.47
[INFO] [stderr]    Compiling pest_generator v2.1.0
[INFO] [stderr]    Compiling pest_derive v2.1.0
[INFO] [stderr]    Compiling wasm-bindgen-macro-support v0.2.47
[INFO] [stderr]    Compiling wasm-bindgen-macro v0.2.47
[INFO] [stderr]    Compiling js-sys v0.3.24
[INFO] [stderr]    Compiling compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(duration_float)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(in_band_lifetimes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(try_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:1:1
[INFO] [stderr]   |
[INFO] [stderr] 1 | #![feature(exclusive_range_pattern)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:2:1
[INFO] [stderr]   |
[INFO] [stderr] 2 | #![feature(duration_float)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:3:1
[INFO] [stderr]   |
[INFO] [stderr] 3 | #![feature(in_band_lifetimes)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stderr]  --> src/main.rs:4:1
[INFO] [stderr]   |
[INFO] [stderr] 4 | #![feature(try_trait)]
[INFO] [stderr]   | ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]   --> src/main.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io::{BufRead, BufReader, Write};
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::interpreter::Value`
[INFO] [stderr]  --> src/errors.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::interpreter::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/errors.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::lex::tokens::{Token, TokenType};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Binary`
[INFO] [stderr]  --> src/ast/expression.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Display, Error, Formatter};
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::expression::UnaryOperation`
[INFO] [stderr]  --> src/ast/printer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::ast::expression::UnaryOperation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::borrow::Borrow`
[INFO] [stderr]  --> src/lex/lex.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lex::tokens::Token`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use lex::tokens::Token;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lex::Lexer`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use lex::Lexer;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TokenType`, `Token`
[INFO] [stderr]  --> src/parse/mod.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::lex::tokens::{Token, TokenType};
[INFO] [stderr]   |                          ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/parse/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Peekable`
[INFO] [stderr]  --> src/parse/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::iter::Peekable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::__rt::core::hint::unreachable_unchecked`
[INFO] [stderr]   --> src/parse/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use wasm_bindgen::__rt::core::hint::unreachable_unchecked;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::__rt::std::process::exit`
[INFO] [stderr]   --> src/parse/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use wasm_bindgen::__rt::std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::errors::Error`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use crate::errors::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::expression::ExpressionVisitor`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use crate::ast::expression::ExpressionVisitor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cell`, `Ref`
[INFO] [stderr]  --> src/interpreter/mod.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cell::{Cell, Ref, RefCell};
[INFO] [stderr]   |                 ^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Binary`
[INFO] [stderr]   --> src/interpreter/mod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fmt::{Binary, Debug, Display, Formatter};
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]   --> src/interpreter/mod.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]    |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/mod.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Callable(Rc<Callable>),
[INFO] [stderr]    |                 ^^^^^^^^ help: use `dyn`: `dyn Callable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |     output: &'a mut std::io::Write,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `SubCommand`
[INFO] [stderr]   --> src/main.rs:12:22
[INFO] [stderr]    |
[INFO] [stderr] 12 | use clap::{App, Arg, SubCommand};
[INFO] [stderr]    |                      ^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::fs::File`
[INFO] [stderr]   --> src/main.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr] 13 | use std::fs::File;
[INFO] [stderr]    |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `BufReader`
[INFO] [stderr]   --> src/main.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::io::{BufRead, BufReader, Write};
[INFO] [stderr]    |                        ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::interpreter::Value`
[INFO] [stderr]  --> src/errors.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use crate::interpreter::Value;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Token`
[INFO] [stderr]  --> src/errors.rs:2:26
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::lex::tokens::{Token, TokenType};
[INFO] [stderr]   |                          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Binary`
[INFO] [stderr]  --> src/ast/expression.rs:4:16
[INFO] [stderr]   |
[INFO] [stderr] 4 | use std::fmt::{Binary, Display, Error, Formatter};
[INFO] [stderr]   |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::expression::UnaryOperation`
[INFO] [stderr]  --> src/ast/printer.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use crate::ast::expression::UnaryOperation;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::borrow::Borrow`
[INFO] [stderr]  --> src/lex/lex.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 | use core::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lex::tokens::Token`
[INFO] [stderr]   --> src/main.rs:25:5
[INFO] [stderr]    |
[INFO] [stderr] 25 | use lex::tokens::Token;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `lex::Lexer`
[INFO] [stderr]   --> src/main.rs:26:5
[INFO] [stderr]    |
[INFO] [stderr] 26 | use lex::Lexer;
[INFO] [stderr]    |     ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `TokenType`, `Token`
[INFO] [stderr]  --> src/parse/mod.rs:5:26
[INFO] [stderr]   |
[INFO] [stderr] 5 | use crate::lex::tokens::{Token, TokenType};
[INFO] [stderr]   |                          ^^^^^  ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::convert::TryInto`
[INFO] [stderr]  --> src/parse/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use std::convert::TryInto;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::iter::Peekable`
[INFO] [stderr]  --> src/parse/mod.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::iter::Peekable;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::__rt::core::hint::unreachable_unchecked`
[INFO] [stderr]   --> src/parse/mod.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use wasm_bindgen::__rt::core::hint::unreachable_unchecked;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `wasm_bindgen::__rt::std::process::exit`
[INFO] [stderr]   --> src/parse/mod.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 | use wasm_bindgen::__rt::std::process::exit;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::errors::Error`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 | use crate::errors::Error;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `crate::ast::expression::ExpressionVisitor`
[INFO] [stderr]   --> src/main.rs:32:5
[INFO] [stderr]    |
[INFO] [stderr] 32 | use crate::ast::expression::ExpressionVisitor;
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Cell`, `Ref`
[INFO] [stderr]  --> src/interpreter/mod.rs:7:17
[INFO] [stderr]   |
[INFO] [stderr] 7 | use std::cell::{Cell, Ref, RefCell};
[INFO] [stderr]   |                 ^^^^  ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Binary`
[INFO] [stderr]   --> src/interpreter/mod.rs:11:16
[INFO] [stderr]    |
[INFO] [stderr] 11 | use std::fmt::{Binary, Debug, Display, Formatter};
[INFO] [stderr]    |                ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `SystemTime`, `UNIX_EPOCH`
[INFO] [stderr]   --> src/interpreter/mod.rs:14:17
[INFO] [stderr]    |
[INFO] [stderr] 14 | use std::time::{SystemTime, UNIX_EPOCH};
[INFO] [stderr]    |                 ^^^^^^^^^^  ^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/interpreter/mod.rs:63:17
[INFO] [stderr]    |
[INFO] [stderr] 63 |     Callable(Rc<Callable>),
[INFO] [stderr]    |                 ^^^^^^^^ help: use `dyn`: `dyn Callable`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]    --> src/main.rs:136:21
[INFO] [stderr]     |
[INFO] [stderr] 136 |     output: &'a mut std::io::Write,
[INFO] [stderr]     |                     ^^^^^^^^^^^^^^ help: use `dyn`: `dyn std::io::Write`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `ExpressionVisitor`
[INFO] [stderr]  --> src/interpreter/mod.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 |     BinaryOperation, Expression, ExpressionVisitor, Literal, Param, UnaryOperation,
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::borrow::Borrow`
[INFO] [stderr]  --> src/interpreter/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: could not compile `compiler`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] warning: unused import: `ExpressionVisitor`
[INFO] [stderr]  --> src/interpreter/mod.rs:2:34
[INFO] [stderr]   |
[INFO] [stderr] 2 |     BinaryOperation, Expression, ExpressionVisitor, Literal, Param, UnaryOperation,
[INFO] [stderr]   |                                  ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `core::borrow::Borrow`
[INFO] [stderr]  --> src/interpreter/mod.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use core::borrow::Borrow;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 4 previous errors; 24 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0554`.
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "ee07b510c60bf4fd2bab7127b51fe48f311120ec876fc842a968e57bc8594381"`
[INFO] running `"docker" "rm" "-f" "ee07b510c60bf4fd2bab7127b51fe48f311120ec876fc842a968e57bc8594381"`
[INFO] [stdout] ee07b510c60bf4fd2bab7127b51fe48f311120ec876fc842a968e57bc8594381