[INFO] cloning repository https://github.com/brrrLang/brrrlang
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/brrrLang/brrrlang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbrrrLang%2Fbrrrlang", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbrrrLang%2Fbrrrlang'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ec4b7be67523e6267e9d748f7cf15ef4ded926e0
[INFO] checking brrrLang/brrrlang against master#a609fb45efad59dfd459c76e50899be9f0583b5a for pr-80579
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FbrrrLang%2Fbrrrlang" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/brrrLang/brrrlang on toolchain a609fb45efad59dfd459c76e50899be9f0583b5a
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/brrrLang/brrrlang
[INFO] finished tweaking git repo https://github.com/brrrLang/brrrlang
[INFO] tweaked toml for git repo https://github.com/brrrLang/brrrlang written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/brrrLang/brrrlang already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b4e441a40aec4e387a8407e3cf952abc1f213c4b7f5c99646dab7372376472bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b4e441a40aec4e387a8407e3cf952abc1f213c4b7f5c99646dab7372376472bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b4e441a40aec4e387a8407e3cf952abc1f213c4b7f5c99646dab7372376472bb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b4e441a40aec4e387a8407e3cf952abc1f213c4b7f5c99646dab7372376472bb", kill_on_drop: false }`
[INFO] [stdout] b4e441a40aec4e387a8407e3cf952abc1f213c4b7f5c99646dab7372376472bb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+a609fb45efad59dfd459c76e50899be9f0583b5a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 0ccff5d0687cdb033b6f79a63715e09d582cdc3af78f0162273bb7547f97c674
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "0ccff5d0687cdb033b6f79a63715e09d582cdc3af78f0162273bb7547f97c674", kill_on_drop: false }`
[INFO] [stderr]    Compiling memchr v2.3.4
[INFO] [stderr]    Compiling serde v1.0.116
[INFO] [stderr]     Checking regex-syntax v0.6.21
[INFO] [stderr]     Checking textwrap v0.11.0
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]     Checking clap v2.33.3
[INFO] [stderr]     Checking aho-corasick v0.7.15
[INFO] [stderr]     Checking regex v1.4.2
[INFO] [stderr]     Checking toml v0.5.6
[INFO] [stderr]     Checking brrrlang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `catch_unwind`, `set_hook`, `take_hook`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::panic::{catch_unwind, set_hook, take_hook};
[INFO] [stdout]   |                  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::take`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::mem::take;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/token/tokenizer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/error_handler/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/lexer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error_handler::error::error_reporter`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error_handler::error::error_reporter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error_handler::Error`
[INFO] [stdout]  --> src/lexer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error_handler::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `catch_unwind`, `set_hook`, `take_hook`
[INFO] [stdout]  --> src/main.rs:7:18
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::panic::{catch_unwind, set_hook, take_hook};
[INFO] [stdout]   |                  ^^^^^^^^^^^^  ^^^^^^^^  ^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::mem::take`
[INFO] [stdout]  --> src/main.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::mem::take;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::exit`
[INFO] [stdout]  --> src/token/tokenizer.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use std::process::exit;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process`
[INFO] [stdout]  --> src/error_handler/error.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::process;
[INFO] [stdout]   |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::token::Token`
[INFO] [stdout]  --> src/lexer/mod.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use crate::token::Token;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error_handler::error::error_reporter`
[INFO] [stdout]  --> src/lexer/mod.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use crate::error_handler::error::error_reporter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::error_handler::Error`
[INFO] [stdout]  --> src/lexer/mod.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use crate::error_handler::Error;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/lexer/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let tokens = parsed_file.tokens.clone();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `tokens`
[INFO] [stdout]   --> src/lexer/mod.rs:20:13
[INFO] [stdout]    |
[INFO] [stdout] 20 |         let tokens = parsed_file.tokens.clone();
[INFO] [stdout]    |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_tokens`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut uses = vec!();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut imports = vec!();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut pkg = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_line`
[INFO] [stdout]    --> src/token/tokenizer.rs:854:12
[INFO] [stdout]     |
[INFO] [stdout] 854 |     pub fn resolve_line(&self, line: usize) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]    --> src/token/mod.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Return
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STYLE`
[INFO] [stdout]  --> src/error_handler/warning.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const STYLE: Colour = Colour::Yellow;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warning_reporter`
[INFO] [stdout]  --> src/error_handler/warning.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn warning_reporter(warning: Warning) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error_handler/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(error_area: String, line_num: i32, message: String, line_text: String) -> Warning {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:17:13
[INFO] [stdout]    |
[INFO] [stdout] 17 |         let mut uses = vec!();
[INFO] [stdout]    |             ----^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_mut)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:18:13
[INFO] [stdout]    |
[INFO] [stdout] 18 |         let mut imports = vec!();
[INFO] [stdout]    |             ----^^^^^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]   --> src/lexer/mod.rs:19:13
[INFO] [stdout]    |
[INFO] [stdout] 19 |         let mut pkg = String::new();
[INFO] [stdout]    |             ----^^^
[INFO] [stdout]    |             |
[INFO] [stdout]    |             help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `resolve_line`
[INFO] [stdout]    --> src/token/tokenizer.rs:854:12
[INFO] [stdout]     |
[INFO] [stdout] 854 |     pub fn resolve_line(&self, line: usize) -> Option<String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Return`
[INFO] [stdout]    --> src/token/mod.rs:101:5
[INFO] [stdout]     |
[INFO] [stdout] 101 |     Return
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant is never used: `STYLE`
[INFO] [stdout]  --> src/error_handler/warning.rs:5:1
[INFO] [stdout]   |
[INFO] [stdout] 5 | const STYLE: Colour = Colour::Yellow;
[INFO] [stdout]   | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `warning_reporter`
[INFO] [stdout]  --> src/error_handler/warning.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn warning_reporter(warning: Warning) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/error_handler/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |     pub fn new(error_area: String, line_num: i32, message: String, line_text: String) -> Warning {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 | /             match token::tokenizer::ParsedFile::new(&source, &path_str) {
[INFO] [stdout] 54 | |                 Some(parsed) => {
[INFO] [stdout] 55 | |                     let lexed = lexer::LexedFile::new(parsed);
[INFO] [stdout] 56 | |                     sender.send(Some(lexed))
[INFO] [stdout] 57 | |                 }
[INFO] [stdout] 58 | |                 None => sender.send(None)
[INFO] [stdout] 59 | |             };
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `std::result::Result` that must be used
[INFO] [stdout]   --> src/main.rs:53:13
[INFO] [stdout]    |
[INFO] [stdout] 53 | /             match token::tokenizer::ParsedFile::new(&source, &path_str) {
[INFO] [stdout] 54 | |                 Some(parsed) => {
[INFO] [stdout] 55 | |                     let lexed = lexer::LexedFile::new(parsed);
[INFO] [stdout] 56 | |                     sender.send(Some(lexed))
[INFO] [stdout] 57 | |                 }
[INFO] [stdout] 58 | |                 None => sender.send(None)
[INFO] [stdout] 59 | |             };
[INFO] [stdout]    | |______________^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 17 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 17.05s
[INFO] running `Command { std: "docker" "inspect" "0ccff5d0687cdb033b6f79a63715e09d582cdc3af78f0162273bb7547f97c674", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0ccff5d0687cdb033b6f79a63715e09d582cdc3af78f0162273bb7547f97c674", kill_on_drop: false }`
[INFO] [stdout] 0ccff5d0687cdb033b6f79a63715e09d582cdc3af78f0162273bb7547f97c674