[INFO] updating cached repository https://github.com/Maxxxxz/MACLang
[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/Maxxxxz/MACLang
[INFO] [stderr]    44facad..cfb877c  master     -> master
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] cfb877c85d505ca3457f912ceb2880409bdb8a82
[INFO] checking Maxxxxz/MACLang against master#74e80468347471779be6060d8d7d6d04e98e467f for pr-72788
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMaxxxxz%2FMACLang" "/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/Maxxxxz/MACLang on toolchain 74e80468347471779be6060d8d7d6d04e98e467f
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/Maxxxxz/MACLang
[INFO] finished tweaking git repo https://github.com/Maxxxxz/MACLang
[INFO] tweaked toml for git repo https://github.com/Maxxxxz/MACLang written to /workspace/builds/worker-12/source/Cargo.toml
[INFO] crate git repo https://github.com/Maxxxxz/MACLang already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+74e80468347471779be6060d8d7d6d04e98e467f" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[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" "+74e80468347471779be6060d8d7d6d04e98e467f" "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] d3b11036d602418636359d9d1953688407a6fb1c8bab65df149baf817e4965a9
[INFO] running `"docker" "start" "-a" "d3b11036d602418636359d9d1953688407a6fb1c8bab65df149baf817e4965a9"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Checking MACLang v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: variant `SET_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/./core/token.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     SET_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SetEqual`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TEST_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/./core/token.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     TEST_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `TestEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/./core/lex.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Lexer<'z>
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LocInfo`
[INFO] [stderr]   --> src/./core/lex.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct LocInfo
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nextRow`
[INFO] [stderr]   --> src/./core/lex.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn nextRow(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nextCol`
[INFO] [stderr]   --> src/./core/lex.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn nextCol(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/./core/lex.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(inStr: &'z str) -> Self
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]   --> src/./core/lex.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn next(self: &mut Lexer<'z>) -> Result<Token, String>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lex`
[INFO] [stderr]   --> src/./core/lex.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn lex(self: &mut Lexer<'z>) -> Result<Token, String>
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/./core/parse.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Parser<'z>
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]   --> src/./core/parse.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn parse(inStr: &str)// -> what to return to compiler? 🤔
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]  --> src/./core/token.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Token
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `commentDepth` should have a snake case name
[INFO] [stderr]  --> src/./core/lex.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     commentDepth: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `comment_depth`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `nextRow` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn nextRow(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `next_row`
[INFO] [stderr] 
[INFO] [stderr] warning: method `nextCol` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn nextCol(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `next_col`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inStr` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(inStr: &'z str) -> Self
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to snake case: `in_str`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `toLex` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let toLex = ls.content;
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `to_lex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inStr` should have a snake case name
[INFO] [stderr]   --> src/./core/parse.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn parse(inStr: &str)// -> what to return to compiler? 🤔
[INFO] [stderr]    |                  ^^^^^ help: convert the identifier to snake case: `in_str`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `SET_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/./core/token.rs:16:5
[INFO] [stderr]    |
[INFO] [stderr] 16 |     SET_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^ help: convert the identifier to upper camel case: `SetEqual`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_camel_case_types)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `TEST_EQUAL` should have an upper camel case name
[INFO] [stderr]   --> src/./core/token.rs:17:5
[INFO] [stderr]    |
[INFO] [stderr] 17 |     TEST_EQUAL,
[INFO] [stderr]    |     ^^^^^^^^^^ help: convert the identifier to upper camel case: `TestEqual`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Lexer`
[INFO] [stderr]  --> src/./core/lex.rs:5:12
[INFO] [stderr]   |
[INFO] [stderr] 5 | pub struct Lexer<'z>
[INFO] [stderr]   |            ^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `LocInfo`
[INFO] [stderr]   --> src/./core/lex.rs:14:12
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub struct LocInfo
[INFO] [stderr]    |            ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nextRow`
[INFO] [stderr]   --> src/./core/lex.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn nextRow(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `nextCol`
[INFO] [stderr]   --> src/./core/lex.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn nextCol(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new`
[INFO] [stderr]   --> src/./core/lex.rs:37:12
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(inStr: &'z str) -> Self
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `next`
[INFO] [stderr]   --> src/./core/lex.rs:47:12
[INFO] [stderr]    |
[INFO] [stderr] 47 |     pub fn next(self: &mut Lexer<'z>) -> Result<Token, String>
[INFO] [stderr]    |            ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `lex`
[INFO] [stderr]   --> src/./core/lex.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn lex(self: &mut Lexer<'z>) -> Result<Token, String>
[INFO] [stderr]    |            ^^^
[INFO] [stderr] 
[INFO] [stderr] warning: struct is never constructed: `Parser`
[INFO] [stderr]  --> src/./core/parse.rs:4:12
[INFO] [stderr]   |
[INFO] [stderr] 4 | pub struct Parser<'z>
[INFO] [stderr]   |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `parse`
[INFO] [stderr]   --> src/./core/parse.rs:12:12
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn parse(inStr: &str)// -> what to return to compiler? 🤔
[INFO] [stderr]    |            ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: enum is never used: `Token`
[INFO] [stderr]  --> src/./core/token.rs:1:10
[INFO] [stderr]   |
[INFO] [stderr] 1 | pub enum Token
[INFO] [stderr]   |          ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: structure field `commentDepth` should have a snake case name
[INFO] [stderr]  --> src/./core/lex.rs:9:5
[INFO] [stderr]   |
[INFO] [stderr] 9 |     commentDepth: u64,
[INFO] [stderr]   |     ^^^^^^^^^^^^ help: convert the identifier to snake case: `comment_depth`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: method `nextRow` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:22:8
[INFO] [stderr]    |
[INFO] [stderr] 22 |     fn nextRow(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `next_row`
[INFO] [stderr] 
[INFO] [stderr] warning: method `nextCol` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:28:8
[INFO] [stderr]    |
[INFO] [stderr] 28 |     fn nextCol(&mut self, x: u64)
[INFO] [stderr]    |        ^^^^^^^ help: convert the identifier to snake case: `next_col`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inStr` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:37:16
[INFO] [stderr]    |
[INFO] [stderr] 37 |     pub fn new(inStr: &'z str) -> Self
[INFO] [stderr]    |                ^^^^^ help: convert the identifier to snake case: `in_str`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `toLex` should have a snake case name
[INFO] [stderr]   --> src/./core/lex.rs:55:13
[INFO] [stderr]    |
[INFO] [stderr] 55 |         let toLex = ls.content;
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `to_lex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inStr` should have a snake case name
[INFO] [stderr]   --> src/./core/parse.rs:12:18
[INFO] [stderr]    |
[INFO] [stderr] 12 |     pub fn parse(inStr: &str)// -> what to return to compiler? 🤔
[INFO] [stderr]    |                  ^^^^^ help: convert the identifier to snake case: `in_str`
[INFO] [stderr] 
[INFO] [stderr] warning: 18 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `read_to_string`
[INFO] [stderr]  --> src/main.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, read_to_string};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `read_to_string`
[INFO] [stderr]  --> src/main.rs:2:21
[INFO] [stderr]   |
[INFO] [stderr] 2 | use std::fs::{File, read_to_string};
[INFO] [stderr]   |                     ^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `toLex`
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let toLex = readFile(inFileName);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_toLex`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `toLex`
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let toLex = readFile(inFileName);
[INFO] [stderr]    |             ^^^^^ help: if this is intentional, prefix it with an underscore: `_toLex`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MACLang` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `maclang`
[INFO] [stderr] 
[INFO] [stderr] warning: crate `MACLang` should have a snake case name
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_snake_case)]` on by default
[INFO] [stderr]   = help: convert the identifier to snake case: `maclang`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inFileName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let inFileName = &args[1];
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `in_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inFileName` should have a snake case name
[INFO] [stderr]   --> src/main.rs:22:13
[INFO] [stderr]    |
[INFO] [stderr] 22 |         let inFileName = &args[1];
[INFO] [stderr]    |             ^^^^^^^^^^ help: convert the identifier to snake case: `in_file_name`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `toLex` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let toLex = readFile(inFileName);
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `to_lex`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `toLex` should have a snake case name
[INFO] [stderr]   --> src/main.rs:24:13
[INFO] [stderr]    |
[INFO] [stderr] 24 |         let toLex = readFile(inFileName);
[INFO] [stderr]    |             ^^^^^ help: convert the identifier to snake case: `to_lex`
[INFO] [stderr] 
[INFO] [stderr] warning: function `readFile` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn readFile(inFile: &str) -> String //Vec<String>
[INFO] [stderr]    |    ^^^^^^^^ help: convert the identifier to snake case: `read_file`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inFile` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn readFile(inFile: &str) -> String //Vec<String>
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `in_file`
[INFO] [stderr] 
[INFO] [stderr] warning: function `readFile` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:4
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn readFile(inFile: &str) -> String //Vec<String>
[INFO] [stderr]    |    ^^^^^^^^ help: convert the identifier to snake case: `read_file`
[INFO] [stderr] 
[INFO] [stderr] warning: variable `inFile` should have a snake case name
[INFO] [stderr]   --> src/main.rs:36:13
[INFO] [stderr]    |
[INFO] [stderr] 36 | fn readFile(inFile: &str) -> String //Vec<String>
[INFO] [stderr]    |             ^^^^^^ help: convert the identifier to snake case: `in_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     file.read_to_string(&mut out);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]   --> src/main.rs:41:5
[INFO] [stderr]    |
[INFO] [stderr] 41 |     file.read_to_string(&mut out);
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 8 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.90s
[INFO] running `"docker" "inspect" "d3b11036d602418636359d9d1953688407a6fb1c8bab65df149baf817e4965a9"`
[INFO] running `"docker" "rm" "-f" "d3b11036d602418636359d9d1953688407a6fb1c8bab65df149baf817e4965a9"`
[INFO] [stdout] d3b11036d602418636359d9d1953688407a6fb1c8bab65df149baf817e4965a9