[INFO] cloning repository https://github.com/EliasPrescott/language_compiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/EliasPrescott/language_compiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliasPrescott%2Flanguage_compiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliasPrescott%2Flanguage_compiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] af7d98c91e2d4a369311c38cc94e4e3e8894c404
[INFO] testing EliasPrescott/language_compiler against 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FEliasPrescott%2Flanguage_compiler" "/workspace/builds/worker-14/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/EliasPrescott/language_compiler on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/EliasPrescott/language_compiler
[INFO] finished tweaking git repo https://github.com/EliasPrescott/language_compiler
[INFO] tweaked toml for git repo https://github.com/EliasPrescott/language_compiler written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/EliasPrescott/language_compiler already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 98e89b1ffbb33841a5911774116ee6686ee308c33aca18c171bd5957191514cb
[INFO] running `Command { std: "docker" "start" "-a" "98e89b1ffbb33841a5911774116ee6686ee308c33aca18c171bd5957191514cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "98e89b1ffbb33841a5911774116ee6686ee308c33aca18c171bd5957191514cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98e89b1ffbb33841a5911774116ee6686ee308c33aca18c171bd5957191514cb", kill_on_drop: false }`
[INFO] [stdout] 98e89b1ffbb33841a5911774116ee6686ee308c33aca18c171bd5957191514cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cbe8f093b2940984a60a1881adace7f17e24aeb5540695f0b4d0f0b91a293baa
[INFO] running `Command { std: "docker" "start" "-a" "cbe8f093b2940984a60a1881adace7f17e24aeb5540695f0b4d0f0b91a293baa", kill_on_drop: false }`
[INFO] [stderr]    Compiling language_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parsed_char`
[INFO] [stdout]    --> src/parsing.rs:244:24
[INFO] [stdout]     |
[INFO] [stdout] 244 |         while let Some(parsed_char) = self.get_next_char()  {
[INFO] [stdout]     |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_char`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_char`
[INFO] [stdout]    --> src/parsing.rs:243:40
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn skip_any_of_char(&mut self, skip_char: char) {
[INFO] [stdout]     |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     line: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ASTLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     column: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ASTUnit`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ASTUnit,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expression`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     expression: ASTExpression,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     location: ASTLocation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_parentheses_with_parsers`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn parse_parentheses_with_parsers<'a>(parsers: Box<Vec<&'a (dyn for<'r> Fn(&'r mut parsing::ParseInput) -> Result<ASTNode, String> + 'a)>...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_parsers`
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn try_parsers(input: &mut ParseInput, parsers: Vec<&dyn Fn(&mut ParseInput) -> Result<ASTNode, String>>) -> Result<ASTNode, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_predicate`
[INFO] [stdout]   --> src/parsing.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_next_char_predicate(&self, predicate: &dyn Fn(ParsedChar) -> Result<ParsedChar, String>) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_alphabetical`
[INFO] [stdout]   --> src/parsing.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_next_char_alphabetical(&self) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_numerical`
[INFO] [stdout]   --> src/parsing.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn get_next_char_numerical(&self) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_alphabetical_or_in_group`
[INFO] [stdout]   --> src/parsing.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get_next_char_alphabetical_or_in_group(&self, accepted_chars: &Vec<char>) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_next_char`
[INFO] [stdout]   --> src/parsing.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn pop_next_char(&mut self) -> Option<ParsedChar> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_next_char_result`
[INFO] [stdout]   --> src/parsing.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn pop_next_char_result(&mut self) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_remaining_text`
[INFO] [stdout]    --> src/parsing.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_remaining_text(&self) -> Result<String, String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_any_of_char`
[INFO] [stdout]    --> src/parsing.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn skip_any_of_char(&mut self, skip_char: char) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_spaces`
[INFO] [stdout]    --> src/parsing.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn skip_spaces(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_until_chars`
[INFO] [stdout]    --> src/parsing.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub fn pop_until_chars(&mut self, stop_chars: Vec<char>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1.07s
[INFO] running `Command { std: "docker" "inspect" "cbe8f093b2940984a60a1881adace7f17e24aeb5540695f0b4d0f0b91a293baa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cbe8f093b2940984a60a1881adace7f17e24aeb5540695f0b4d0f0b91a293baa", kill_on_drop: false }`
[INFO] [stdout] cbe8f093b2940984a60a1881adace7f17e24aeb5540695f0b4d0f0b91a293baa
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 34b26296ec852ffa0701ff69c1c56ca3bfa6d8ab8549e416ac2add87917b21f8
[INFO] running `Command { std: "docker" "start" "-a" "34b26296ec852ffa0701ff69c1c56ca3bfa6d8ab8549e416ac2add87917b21f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling language_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `parsed_char`
[INFO] [stdout]    --> src/parsing.rs:244:24
[INFO] [stdout]     |
[INFO] [stdout] 244 |         while let Some(parsed_char) = self.get_next_char()  {
[INFO] [stdout]     |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_char`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `skip_char`
[INFO] [stdout]    --> src/parsing.rs:243:40
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn skip_any_of_char(&mut self, skip_char: char) {
[INFO] [stdout]     |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_char`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `line`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     line: u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] note: `ASTLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `column`
[INFO] [stdout]   --> src/main.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 11 |     column: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:8:10
[INFO] [stdout]    |
[INFO] [stdout] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `ASTUnit`
[INFO] [stdout]   --> src/main.rs:24:5
[INFO] [stdout]    |
[INFO] [stdout] 24 |     ASTUnit,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:14:10
[INFO] [stdout]    |
[INFO] [stdout] 14 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `expression`
[INFO] [stdout]   --> src/main.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 |     expression: ASTExpression,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `location`
[INFO] [stdout]   --> src/main.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 |     location: ASTLocation,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout] note: `ASTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   --> src/main.rs:27:10
[INFO] [stdout]    |
[INFO] [stdout] 27 | #[derive(Debug, Clone)]
[INFO] [stdout]    |          ^^^^^  ^^^^^
[INFO] [stdout]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `parse_parentheses_with_parsers`
[INFO] [stdout]    --> src/main.rs:132:4
[INFO] [stdout]     |
[INFO] [stdout] 132 | fn parse_parentheses_with_parsers<'a>(parsers: Box<Vec<&'a (dyn for<'r> Fn(&'r mut parsing::ParseInput) -> Result<ASTNode, String> + 'a)>...
[INFO] [stdout]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `try_parsers`
[INFO] [stdout]    --> src/main.rs:175:4
[INFO] [stdout]     |
[INFO] [stdout] 175 | fn try_parsers(input: &mut ParseInput, parsers: Vec<&dyn Fn(&mut ParseInput) -> Result<ASTNode, String>>) -> Result<ASTNode, String> {
[INFO] [stdout]     |    ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_predicate`
[INFO] [stdout]   --> src/parsing.rs:52:12
[INFO] [stdout]    |
[INFO] [stdout] 52 |     pub fn get_next_char_predicate(&self, predicate: &dyn Fn(ParsedChar) -> Result<ParsedChar, String>) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_alphabetical`
[INFO] [stdout]   --> src/parsing.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 59 |     pub fn get_next_char_alphabetical(&self) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_numerical`
[INFO] [stdout]   --> src/parsing.rs:63:12
[INFO] [stdout]    |
[INFO] [stdout] 63 |     pub fn get_next_char_numerical(&self) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_next_char_alphabetical_or_in_group`
[INFO] [stdout]   --> src/parsing.rs:67:12
[INFO] [stdout]    |
[INFO] [stdout] 67 |     pub fn get_next_char_alphabetical_or_in_group(&self, accepted_chars: &Vec<char>) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_next_char`
[INFO] [stdout]   --> src/parsing.rs:81:12
[INFO] [stdout]    |
[INFO] [stdout] 81 |     pub fn pop_next_char(&mut self) -> Option<ParsedChar> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_next_char_result`
[INFO] [stdout]   --> src/parsing.rs:91:12
[INFO] [stdout]    |
[INFO] [stdout] 91 |     pub fn pop_next_char_result(&mut self) -> Result<ParsedChar, String> {
[INFO] [stdout]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_remaining_text`
[INFO] [stdout]    --> src/parsing.rs:153:12
[INFO] [stdout]     |
[INFO] [stdout] 153 |     pub fn get_remaining_text(&self) -> Result<String, String> {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_any_of_char`
[INFO] [stdout]    --> src/parsing.rs:243:12
[INFO] [stdout]     |
[INFO] [stdout] 243 |     pub fn skip_any_of_char(&mut self, skip_char: char) {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `skip_spaces`
[INFO] [stdout]    --> src/parsing.rs:264:12
[INFO] [stdout]     |
[INFO] [stdout] 264 |     pub fn skip_spaces(&mut self) {
[INFO] [stdout]     |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop_until_chars`
[INFO] [stdout]    --> src/parsing.rs:285:12
[INFO] [stdout]     |
[INFO] [stdout] 285 |     pub fn pop_until_chars(&mut self, stop_chars: Vec<char>) -> String {
[INFO] [stdout]     |            ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 19 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.34s
[INFO] running `Command { std: "docker" "inspect" "34b26296ec852ffa0701ff69c1c56ca3bfa6d8ab8549e416ac2add87917b21f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "34b26296ec852ffa0701ff69c1c56ca3bfa6d8ab8549e416ac2add87917b21f8", kill_on_drop: false }`
[INFO] [stdout] 34b26296ec852ffa0701ff69c1c56ca3bfa6d8ab8549e416ac2add87917b21f8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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=warn" "-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:b0c94ce3c1162fcb8e57cac5b65ec2f72eabb1eebea4fcc35e269e823f681646" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] ad63fb29004e4453f44fc0068743831cf342720a005f04a74595ebf347cd4afa
[INFO] running `Command { std: "docker" "start" "-a" "ad63fb29004e4453f44fc0068743831cf342720a005f04a74595ebf347cd4afa", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: unused variable: `parsed_char`
[INFO] [stderr]    --> src/parsing.rs:244:24
[INFO] [stderr]     |
[INFO] [stderr] 244 |         while let Some(parsed_char) = self.get_next_char()  {
[INFO] [stderr]     |                        ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_parsed_char`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `skip_char`
[INFO] [stderr]    --> src/parsing.rs:243:40
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn skip_any_of_char(&mut self, skip_char: char) {
[INFO] [stderr]     |                                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_skip_char`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `line`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 |     line: u32,
[INFO] [stderr]    |     ^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] note: `ASTLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `column`
[INFO] [stderr]   --> src/main.rs:11:5
[INFO] [stderr]    |
[INFO] [stderr] 11 |     column: u32,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ASTLocation` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:8:10
[INFO] [stderr]    |
[INFO] [stderr] 8  | #[derive(Debug, Clone, Copy)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: variant is never constructed: `ASTUnit`
[INFO] [stderr]   --> src/main.rs:24:5
[INFO] [stderr]    |
[INFO] [stderr] 24 |     ASTUnit,
[INFO] [stderr]    |     ^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ASTExpression` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:14:10
[INFO] [stderr]    |
[INFO] [stderr] 14 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `expression`
[INFO] [stderr]   --> src/main.rs:29:5
[INFO] [stderr]    |
[INFO] [stderr] 29 |     expression: ASTExpression,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ASTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `location`
[INFO] [stderr]   --> src/main.rs:30:5
[INFO] [stderr]    |
[INFO] [stderr] 30 |     location: ASTLocation,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr] note: `ASTNode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   --> src/main.rs:27:10
[INFO] [stderr]    |
[INFO] [stderr] 27 | #[derive(Debug, Clone)]
[INFO] [stderr]    |          ^^^^^  ^^^^^
[INFO] [stderr]    = note: this warning originates in the derive macro `Debug` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `parse_parentheses_with_parsers`
[INFO] [stderr]    --> src/main.rs:132:4
[INFO] [stderr]     |
[INFO] [stderr] 132 | fn parse_parentheses_with_parsers<'a>(parsers: Box<Vec<&'a (dyn for<'r> Fn(&'r mut parsing::ParseInput) -> Result<ASTNode, String> + 'a)>...
[INFO] [stderr]     |    ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `try_parsers`
[INFO] [stderr]    --> src/main.rs:175:4
[INFO] [stderr]     |
[INFO] [stderr] 175 | fn try_parsers(input: &mut ParseInput, parsers: Vec<&dyn Fn(&mut ParseInput) -> Result<ASTNode, String>>) -> Result<ASTNode, String> {
[INFO] [stderr]     |    ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_next_char_predicate`
[INFO] [stderr]   --> src/parsing.rs:52:12
[INFO] [stderr]    |
[INFO] [stderr] 52 |     pub fn get_next_char_predicate(&self, predicate: &dyn Fn(ParsedChar) -> Result<ParsedChar, String>) -> Result<ParsedChar, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_next_char_alphabetical`
[INFO] [stderr]   --> src/parsing.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 59 |     pub fn get_next_char_alphabetical(&self) -> Result<ParsedChar, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_next_char_numerical`
[INFO] [stderr]   --> src/parsing.rs:63:12
[INFO] [stderr]    |
[INFO] [stderr] 63 |     pub fn get_next_char_numerical(&self) -> Result<ParsedChar, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_next_char_alphabetical_or_in_group`
[INFO] [stderr]   --> src/parsing.rs:67:12
[INFO] [stderr]    |
[INFO] [stderr] 67 |     pub fn get_next_char_alphabetical_or_in_group(&self, accepted_chars: &Vec<char>) -> Result<ParsedChar, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_next_char`
[INFO] [stderr]   --> src/parsing.rs:81:12
[INFO] [stderr]    |
[INFO] [stderr] 81 |     pub fn pop_next_char(&mut self) -> Option<ParsedChar> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_next_char_result`
[INFO] [stderr]   --> src/parsing.rs:91:12
[INFO] [stderr]    |
[INFO] [stderr] 91 |     pub fn pop_next_char_result(&mut self) -> Result<ParsedChar, String> {
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `get_remaining_text`
[INFO] [stderr]    --> src/parsing.rs:153:12
[INFO] [stderr]     |
[INFO] [stderr] 153 |     pub fn get_remaining_text(&self) -> Result<String, String> {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip_any_of_char`
[INFO] [stderr]    --> src/parsing.rs:243:12
[INFO] [stderr]     |
[INFO] [stderr] 243 |     pub fn skip_any_of_char(&mut self, skip_char: char) {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `skip_spaces`
[INFO] [stderr]    --> src/parsing.rs:264:12
[INFO] [stderr]     |
[INFO] [stderr] 264 |     pub fn skip_spaces(&mut self) {
[INFO] [stderr]     |            ^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `pop_until_chars`
[INFO] [stderr]    --> src/parsing.rs:285:12
[INFO] [stderr]     |
[INFO] [stderr] 285 |     pub fn pop_until_chars(&mut self, stop_chars: Vec<char>) -> String {
[INFO] [stderr]     |            ^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `language_compiler` (bin "language_compiler" test) generated 19 warnings
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.32s
[INFO] [stderr]      Running unittests (/opt/rustwide/target/debug/deps/language_compiler-35ae632a366fcb11)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "ad63fb29004e4453f44fc0068743831cf342720a005f04a74595ebf347cd4afa", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ad63fb29004e4453f44fc0068743831cf342720a005f04a74595ebf347cd4afa", kill_on_drop: false }`
[INFO] [stdout] ad63fb29004e4453f44fc0068743831cf342720a005f04a74595ebf347cd4afa