[INFO] cloning repository https://github.com/cooldudemcgeexl/crust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/cooldudemcgeexl/crust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcooldudemcgeexl%2Fcrust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcooldudemcgeexl%2Fcrust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8415ad3fd465214e00bcd4786743a254e082fb60
[INFO] checking cooldudemcgeexl/crust against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcooldudemcgeexl%2Fcrust" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/cooldudemcgeexl/crust
[INFO] finished tweaking git repo https://github.com/cooldudemcgeexl/crust
[INFO] tweaked toml for git repo https://github.com/cooldudemcgeexl/crust written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/cooldudemcgeexl/crust on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/cooldudemcgeexl/crust 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thiserror v1.0.44
[INFO] [stderr]   Downloaded thiserror-impl v1.0.44
[INFO] [stderr]   Downloaded relative-path v1.8.0
[INFO] [stderr]   Downloaded rstest v0.18.1
[INFO] [stderr]   Downloaded rstest_macros v0.18.1
[INFO] [stderr]   Downloaded syn v2.0.27
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1ae7737e742bc510093c7c134eb010b3786c35be57a48c80b74980ac1df80024
[INFO] running `Command { std: "docker" "start" "-a" "1ae7737e742bc510093c7c134eb010b3786c35be57a48c80b74980ac1df80024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1ae7737e742bc510093c7c134eb010b3786c35be57a48c80b74980ac1df80024", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1ae7737e742bc510093c7c134eb010b3786c35be57a48c80b74980ac1df80024", kill_on_drop: false }`
[INFO] [stdout] 1ae7737e742bc510093c7c134eb010b3786c35be57a48c80b74980ac1df80024
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a48e3010d25f014cd0f1ed339f3e7955f44216d2517a6002ffe0a4311c9524b2
[INFO] running `Command { std: "docker" "start" "-a" "a48e3010d25f014cd0f1ed339f3e7955f44216d2517a6002ffe0a4311c9524b2", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.66
[INFO] [stderr]    Compiling unicode-ident v1.0.11
[INFO] [stderr]    Compiling semver v1.0.18
[INFO] [stderr]    Compiling futures-channel v0.3.28
[INFO] [stderr]    Compiling futures-util v0.3.28
[INFO] [stderr]     Checking futures-sink v0.3.28
[INFO] [stderr]    Compiling regex-syntax v0.7.4
[INFO] [stderr]    Compiling thiserror v1.0.44
[INFO] [stderr]    Compiling relative-path v1.8.0
[INFO] [stderr]     Checking futures-timer v3.0.2
[INFO] [stderr]    Compiling rustc_version v0.4.0
[INFO] [stderr]    Compiling rstest_macros v0.18.1
[INFO] [stderr]    Compiling quote v1.0.32
[INFO] [stderr]    Compiling syn v2.0.27
[INFO] [stderr]    Compiling regex-automata v0.3.3
[INFO] [stderr]    Compiling regex v1.9.1
[INFO] [stderr]    Compiling futures-macro v0.3.28
[INFO] [stderr]    Compiling thiserror-impl v1.0.44
[INFO] [stderr]     Checking crust v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the stable release channel
[INFO] [stdout]  --> src/main.rs:1:1
[INFO] [stdout]   |
[INFO] [stdout] 1 | #![feature(box_patterns)]
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/parser.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/parser/procedure.rs:3:26
[INFO] [stdout]   |
[INFO] [stdout] 3 | use super::declaratons::{self, Declaration, VariableDeclaration};
[INFO] [stdout]   |                          ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `PathBuf` and `Path`
[INFO] [stdout]   --> src/scanner/stripper.rs:86:17
[INFO] [stdout]    |
[INFO] [stdout] 86 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                 ^^^^  ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `fs` and `io`
[INFO] [stdout]   --> src/scanner/stripper.rs:87:11
[INFO] [stdout]    |
[INFO] [stdout] 87 | use std::{fs, io};
[INFO] [stdout]    |           ^^  ^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::fs`
[INFO] [stdout]    --> src/scanner.rs:131:5
[INFO] [stdout]     |
[INFO] [stdout] 131 | use std::fs;
[INFO] [stdout]     |     ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::path::PathBuf`
[INFO] [stdout]    --> src/scanner.rs:132:5
[INFO] [stdout]     |
[INFO] [stdout] 132 | use std::path::PathBuf;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/semantics/context.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `thiserror::Error`
[INFO] [stdout]  --> src/semantics/procedure.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use thiserror::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::parser::types::Identifier`
[INFO] [stdout]  --> src/semantics/procedure.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use crate::parser::types::Identifier;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/scanner.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut line_number = 0u32;
[INFO] [stdout]    |         ----^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `line_number`
[INFO] [stdout]   --> src/scanner.rs:22:9
[INFO] [stdout]    |
[INFO] [stdout] 22 |     let mut line_number = 0u32;
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_line_number`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `index`
[INFO] [stdout]   --> src/scanner.rs:26:10
[INFO] [stdout]    |
[INFO] [stdout] 26 |     for (index, curr_char) in cleaned_file.chars().enumerate() {
[INFO] [stdout]    |          ^^^^^ help: if this is intentional, prefix it with an underscore: `_index`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/semantics/expression.rs:657:42
[INFO] [stdout]     |
[INFO] [stdout] 657 |     fn analyze_expression(value: Number, context: &mut Context) -> Result<Self, SemanticsError> {
[INFO] [stdout]     |                                          ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/semantics/expression.rs:665:24
[INFO] [stdout]     |
[INFO] [stdout] 665 |     fn get_type(&self, context: &Context) -> Result<Type, SemanticsError> {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `context`
[INFO] [stdout]    --> src/semantics/procedure.rs:117:24
[INFO] [stdout]     |
[INFO] [stdout] 117 |     fn get_type(&self, context: &Context) -> Result<Type, SemanticsError> {
[INFO] [stdout]     |                        ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_context`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `scope`
[INFO] [stdout]    --> src/semantics/statement.rs:102:9
[INFO] [stdout]     |
[INFO] [stdout] 102 |         scope: &super::context::Scope,
[INFO] [stdout]     |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_scope`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `parsed_output`
[INFO] [stdout]   --> src/main.rs:46:24
[INFO] [stdout]    |
[INFO] [stdout] 46 |     let (parsed_input, parsed_output) = parse_args()?;
[INFO] [stdout]    |                        ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `main_result`
[INFO] [stdout]   --> src/main.rs:48:9
[INFO] [stdout]    |
[INFO] [stdout] 48 |     let main_result = compile_file(&parsed_input)?;
[INFO] [stdout]    |         ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_main_result`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/main.rs:89:9
[INFO] [stdout]    |
[INFO] [stdout] 89 |     let mut file_contents = fs::read_to_string(file_path)?;
[INFO] [stdout]    |         ----^^^^^^^^^^^^^
[INFO] [stdout]    |         |
[INFO] [stdout]    |         help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/main.rs:88:9
[INFO] [stdout]    |
[INFO] [stdout] 88 |     let file_name = file_path.to_str();
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `crust` (bin "crust") due to 1 previous error; 20 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "a48e3010d25f014cd0f1ed339f3e7955f44216d2517a6002ffe0a4311c9524b2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a48e3010d25f014cd0f1ed339f3e7955f44216d2517a6002ffe0a4311c9524b2", kill_on_drop: false }`
[INFO] [stdout] a48e3010d25f014cd0f1ed339f3e7955f44216d2517a6002ffe0a4311c9524b2
