[INFO] cloning repository https://github.com/babblet/HackCompiler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/babblet/HackCompiler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabblet%2FHackCompiler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabblet%2FHackCompiler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] ed7eee26e2e678c04f8307e57b45692822f56887
[INFO] checking babblet/HackCompiler against master#385fa9d845dd326c6bbfd58c22244215e431948a for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabblet%2FHackCompiler" "/workspace/builds/worker-4-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/babblet/HackCompiler on toolchain 385fa9d845dd326c6bbfd58c22244215e431948a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/babblet/HackCompiler
[INFO] finished tweaking git repo https://github.com/babblet/HackCompiler
[INFO] tweaked toml for git repo https://github.com/babblet/HackCompiler written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/babblet/HackCompiler 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" "+385fa9d845dd326c6bbfd58c22244215e431948a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f315e66fb12267609632d9bb68ee6e6e3107f11020d3b08ed3f0a43f43b2a6ae
[INFO] running `Command { std: "docker" "start" "-a" "f315e66fb12267609632d9bb68ee6e6e3107f11020d3b08ed3f0a43f43b2a6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f315e66fb12267609632d9bb68ee6e6e3107f11020d3b08ed3f0a43f43b2a6ae", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f315e66fb12267609632d9bb68ee6e6e3107f11020d3b08ed3f0a43f43b2a6ae", kill_on_drop: false }`
[INFO] [stdout] f315e66fb12267609632d9bb68ee6e6e3107f11020d3b08ed3f0a43f43b2a6ae
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+385fa9d845dd326c6bbfd58c22244215e431948a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 43c7137adebed24bbbd2d590aa3dedc018d13af35f817f517e6fd981f0cc4cad
[INFO] running `Command { std: "docker" "start" "-a" "43c7137adebed24bbbd2d590aa3dedc018d13af35f817f517e6fd981f0cc4cad", kill_on_drop: false }`
[INFO] [stderr]     Checking hack_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/models/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/models/token.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/classes/tokenizer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/classes/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/models/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/models/token.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/classes/tokenizer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/classes/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let file_name = match input.file_name() {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn new(input: &Path, output: &Path) -> Result<CompilationEngine, String> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let file_name = match input.file_name() {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn new(input: &Path, output: &Path) -> Result<CompilationEngine, String> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_lines` and `output_buffer` are never read
[INFO] [stdout]  --> src/classes/compilation_engine.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CompilationEngine {
[INFO] [stdout]   |            ----------------- fields in this struct
[INFO] [stdout] 7 |   input_lines: Vec<OsString>,
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 8 |   output_buffer: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/classes/compilation_engine.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CompilationEngine {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |   fn run(self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   fn compile_class() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   fn compile_class_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn compile_subroutine_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |   fn compile_parameter_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |   fn compile_subroutine_body() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |   fn compile_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |   fn compile_statements() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |   fn compile_let() {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |   fn compile_if () {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   fn compile_while () {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |   fn compile_do() {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |   fn compile_return() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |   fn compile_expression() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |   fn compile_term() {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |   fn compile_expression_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getKindArray` should have a snake case name
[INFO] [stdout]    --> src/grammar/mod.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 |   pub fn getKindArray() -> [Keyword; 21] {
[INFO] [stdout]     |          ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_kind_array`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_lines` and `output_buffer` are never read
[INFO] [stdout]  --> src/classes/compilation_engine.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CompilationEngine {
[INFO] [stdout]   |            ----------------- fields in this struct
[INFO] [stdout] 7 |   input_lines: Vec<OsString>,
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 8 |   output_buffer: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/classes/compilation_engine.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CompilationEngine {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |   fn run(self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   fn compile_class() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   fn compile_class_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn compile_subroutine_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |   fn compile_parameter_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |   fn compile_subroutine_body() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |   fn compile_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |   fn compile_statements() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |   fn compile_let() {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |   fn compile_if () {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   fn compile_while () {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |   fn compile_do() {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |   fn compile_return() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |   fn compile_expression() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |   fn compile_term() {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |   fn compile_expression_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getKindArray` should have a snake case name
[INFO] [stdout]    --> src/grammar/mod.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 |   pub fn getKindArray() -> [Keyword; 21] {
[INFO] [stdout]     |          ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_kind_array`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use ::std::io::prelude::*;
[INFO] [stdout]   |     --------------------- the item `Read` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::compilation_engine::CompilationEngine`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hack_compiler::classes::compilation_engine::CompilationEngine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use ::std::io::prelude::*;
[INFO] [stdout]   |     --------------------- the item `Read` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::compilation_engine::CompilationEngine`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hack_compiler::classes::compilation_engine::CompilationEngine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::analyzer::SyntaxAnalyzer`
[INFO] [stdout]  --> tests/analyzer/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use hack_compiler::classes::analyzer::SyntaxAnalyzer;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::arguments::Arguments`
[INFO] [stdout]  --> tests/arguments/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use hack_compiler::classes::arguments::Arguments;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::compilation_engine::CompilationEngine`
[INFO] [stdout]  --> tests/compilation_engine/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use hack_compiler::classes::compilation_engine::CompilationEngine;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> tests/tokenizer/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use std::ffi::OsString;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::grammar::LexicalElement`
[INFO] [stdout]  --> tests/tokenizer/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   use hack_compiler::grammar::LexicalElement;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::grammar::Keyword`
[INFO] [stdout]  --> tests/tokenizer/mod.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   use hack_compiler::grammar::Keyword;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.44s
[INFO] running `Command { std: "docker" "inspect" "43c7137adebed24bbbd2d590aa3dedc018d13af35f817f517e6fd981f0cc4cad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "43c7137adebed24bbbd2d590aa3dedc018d13af35f817f517e6fd981f0cc4cad", kill_on_drop: false }`
[INFO] [stdout] 43c7137adebed24bbbd2d590aa3dedc018d13af35f817f517e6fd981f0cc4cad
[INFO] checking babblet/HackCompiler against try#645bb72776a6a56a1a8f52631a44bd082b2ba509 for absurd-question-mark-desugar
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbabblet%2FHackCompiler" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/babblet/HackCompiler on toolchain 645bb72776a6a56a1a8f52631a44bd082b2ba509
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/babblet/HackCompiler
[INFO] finished tweaking git repo https://github.com/babblet/HackCompiler
[INFO] tweaked toml for git repo https://github.com/babblet/HackCompiler written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/babblet/HackCompiler 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" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 450cba7d96c1861d3d9718263fbe17e32c2e76dce98c0a75edebddc50c6b8554
[INFO] running `Command { std: "docker" "start" "-a" "450cba7d96c1861d3d9718263fbe17e32c2e76dce98c0a75edebddc50c6b8554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "450cba7d96c1861d3d9718263fbe17e32c2e76dce98c0a75edebddc50c6b8554", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "450cba7d96c1861d3d9718263fbe17e32c2e76dce98c0a75edebddc50c6b8554", kill_on_drop: false }`
[INFO] [stdout] 450cba7d96c1861d3d9718263fbe17e32c2e76dce98c0a75edebddc50c6b8554
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+645bb72776a6a56a1a8f52631a44bd082b2ba509" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 378f9d9c909f8f781a70b0c6890755215a4c4a20682c181354ae89ec60e61f5a
[INFO] running `Command { std: "docker" "start" "-a" "378f9d9c909f8f781a70b0c6890755215a4c4a20682c181354ae89ec60e61f5a", kill_on_drop: false }`
[INFO] [stderr]     Checking hack_compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/models/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/models/token.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/classes/tokenizer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/models/token.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/classes/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> src/models/token.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::ffi::OsString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::slice::Iter`
[INFO] [stdout]  --> src/classes/tokenizer.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use std::slice::Iter;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::str::Chars`
[INFO] [stdout]  --> src/classes/tokenizer.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use std::str::Chars;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let file_name = match input.file_name() {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn new(input: &Path, output: &Path) -> Result<CompilationEngine, String> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `file_name`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 18 |     let file_name = match input.file_name() {
[INFO] [stdout]    |         ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_file_name`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `output`
[INFO] [stdout]   --> src/classes/compilation_engine.rs:12:28
[INFO] [stdout]    |
[INFO] [stdout] 12 |   pub fn new(input: &Path, output: &Path) -> Result<CompilationEngine, String> {
[INFO] [stdout]    |                            ^^^^^^ help: if this is intentional, prefix it with an underscore: `_output`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_lines` and `output_buffer` are never read
[INFO] [stdout]  --> src/classes/compilation_engine.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CompilationEngine {
[INFO] [stdout]   |            ----------------- fields in this struct
[INFO] [stdout] 7 |   input_lines: Vec<OsString>,
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 8 |   output_buffer: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `input_lines` and `output_buffer` are never read
[INFO] [stdout]  --> src/classes/compilation_engine.rs:7:3
[INFO] [stdout]   |
[INFO] [stdout] 6 | pub struct CompilationEngine {
[INFO] [stdout]   |            ----------------- fields in this struct
[INFO] [stdout] 7 |   input_lines: Vec<OsString>,
[INFO] [stdout]   |   ^^^^^^^^^^^
[INFO] [stdout] 8 |   output_buffer: String,
[INFO] [stdout]   |   ^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/classes/compilation_engine.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CompilationEngine {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |   fn run(self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   fn compile_class() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   fn compile_class_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn compile_subroutine_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |   fn compile_parameter_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |   fn compile_subroutine_body() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |   fn compile_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |   fn compile_statements() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |   fn compile_let() {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |   fn compile_if () {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   fn compile_while () {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |   fn compile_do() {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |   fn compile_return() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |   fn compile_expression() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |   fn compile_term() {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |   fn compile_expression_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getKindArray` should have a snake case name
[INFO] [stdout]    --> src/grammar/mod.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 |   pub fn getKindArray() -> [Keyword; 21] {
[INFO] [stdout]     |          ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_kind_array`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple associated items are never used
[INFO] [stdout]   --> src/classes/compilation_engine.rs:37:6
[INFO] [stdout]    |
[INFO] [stdout] 11 | impl CompilationEngine {
[INFO] [stdout]    | ---------------------- associated items in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 37 |   fn run(self) {
[INFO] [stdout]    |      ^^^
[INFO] [stdout] ...
[INFO] [stdout] 40 |   fn compile_class() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 44 |   fn compile_class_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 48 |   fn compile_subroutine_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 52 |   fn compile_parameter_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 56 |   fn compile_subroutine_body() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |   fn compile_var_dec() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 64 |   fn compile_statements() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 68 |   fn compile_let() {
[INFO] [stdout]    |      ^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 72 |   fn compile_if () {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 76 |   fn compile_while () {
[INFO] [stdout]    |      ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 80 |   fn compile_do() {
[INFO] [stdout]    |      ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 84 |   fn compile_return() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 88 |   fn compile_expression() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 92 |   fn compile_term() {
[INFO] [stdout]    |      ^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 96 |   fn compile_expression_list() {
[INFO] [stdout]    |      ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `getKindArray` should have a snake case name
[INFO] [stdout]    --> src/grammar/mod.rs:130:10
[INFO] [stdout]     |
[INFO] [stdout] 130 |   pub fn getKindArray() -> [Keyword; 21] {
[INFO] [stdout]     |          ^^^^^^^^^^^^ help: convert the identifier to snake case: `get_kind_array`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use ::std::io::prelude::*;
[INFO] [stdout]   |     --------------------- the item `Read` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::compilation_engine::CompilationEngine`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hack_compiler::classes::compilation_engine::CompilationEngine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::analyzer::SyntaxAnalyzer`
[INFO] [stdout]  --> tests/analyzer/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use hack_compiler::classes::analyzer::SyntaxAnalyzer;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::arguments::Arguments`
[INFO] [stdout]  --> tests/arguments/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use hack_compiler::classes::arguments::Arguments;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::compilation_engine::CompilationEngine`
[INFO] [stdout]  --> tests/compilation_engine/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use hack_compiler::classes::compilation_engine::CompilationEngine;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::ffi::OsString`
[INFO] [stdout]  --> tests/tokenizer/mod.rs:3:7
[INFO] [stdout]   |
[INFO] [stdout] 3 |   use std::ffi::OsString;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::grammar::LexicalElement`
[INFO] [stdout]  --> tests/tokenizer/mod.rs:5:7
[INFO] [stdout]   |
[INFO] [stdout] 5 |   use hack_compiler::grammar::LexicalElement;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::grammar::Keyword`
[INFO] [stdout]  --> tests/tokenizer/mod.rs:7:7
[INFO] [stdout]   |
[INFO] [stdout] 7 |   use hack_compiler::grammar::Keyword;
[INFO] [stdout]   |       ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: the item `Read` is imported redundantly
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use ::std::io::Read;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^
[INFO] [stdout] 4 | use ::std::io::prelude::*;
[INFO] [stdout]   |     --------------------- the item `Read` is already imported here
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `hack_compiler::classes::compilation_engine::CompilationEngine`
[INFO] [stdout]   --> src/main.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | use hack_compiler::classes::compilation_engine::CompilationEngine;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 6 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "378f9d9c909f8f781a70b0c6890755215a4c4a20682c181354ae89ec60e61f5a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "378f9d9c909f8f781a70b0c6890755215a4c4a20682c181354ae89ec60e61f5a", kill_on_drop: false }`
[INFO] [stdout] 378f9d9c909f8f781a70b0c6890755215a4c4a20682c181354ae89ec60e61f5a