[INFO] updating cached repository https://github.com/Valtis/YATCP [INFO] running `Command { std: "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", kill_on_drop: false }` [INFO] [stderr] From https://github.com/Valtis/YATCP [INFO] [stderr] 2ace4d8..2ef7b67 master -> master [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2ef7b6783aadfe67a950f8c18cb2ee90dd427911 [INFO] checking Valtis/YATCP against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FValtis%2FYATCP" "/workspace/builds/worker-6/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Valtis/YATCP on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Valtis/YATCP [INFO] finished tweaking git repo https://github.com/Valtis/YATCP [INFO] tweaked toml for git repo https://github.com/Valtis/YATCP written to /workspace/builds/worker-6/source/Cargo.toml [INFO] crate git repo https://github.com/Valtis/YATCP already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 64bcaf27d2e621375b654cd3bd684ae2afc42a55f62a380af7aa31d09b52ae1e [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" "64bcaf27d2e621375b654cd3bd684ae2afc42a55f62a380af7aa31d09b52ae1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "64bcaf27d2e621375b654cd3bd684ae2afc42a55f62a380af7aa31d09b52ae1e", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "64bcaf27d2e621375b654cd3bd684ae2afc42a55f62a380af7aa31d09b52ae1e", kill_on_drop: false }` [INFO] [stdout] 64bcaf27d2e621375b654cd3bd684ae2afc42a55f62a380af7aa31d09b52ae1e [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 22b375330089b921fd60c07c9d1a351537cc66d0dcefa894662f77140724e242 [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" "22b375330089b921fd60c07c9d1a351537cc66d0dcefa894662f77140724e242", kill_on_drop: false }` [INFO] [stderr] Compiling arrayvec v0.4.10 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking lazy_static v1.3.0 [INFO] [stderr] Checking nodrop v0.1.13 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling rayon-core v1.5.0 [INFO] [stderr] Compiling byteorder v1.3.2 [INFO] [stderr] Checking argparse v0.2.2 [INFO] [stderr] Checking num_cpus v1.10.1 [INFO] [stderr] Checking crossbeam-utils v0.6.5 [INFO] [stderr] Checking crossbeam-queue v0.1.2 [INFO] [stderr] Checking crossbeam-epoch v0.7.1 [INFO] [stderr] Checking crossbeam-deque v0.6.3 [INFO] [stderr] Checking rayon v1.1.0 [INFO] [stderr] Checking compiler v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `crate::ast::AstNode::ArrayAccess` [INFO] [stdout] --> src/parser/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::ast::AstNode::ArrayAccess; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::semcheck::Type` [INFO] [stdout] --> src/symbol_table/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::semcheck::Type; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/ssa_generator/mod.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | 'outer: for i in cfg.basic_blocks[block].start..cfg.basic_blocks[block].end { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StackOffset` [INFO] [stdout] --> src/byte_generator/mod.rs:10:71 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::byte_generator::Value::{VirtualRegister, ComparisonResult, StackOffset}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/lexer/mod.rs:307:16 [INFO] [stdout] | [INFO] [stdout] 307 | if e.description().contains("too large to fit") { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::ast::AstNode::ArrayAccess` [INFO] [stdout] --> src/parser/mod.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 13 | use crate::ast::AstNode::ArrayAccess; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::semcheck::Type` [INFO] [stdout] --> src/symbol_table/mod.rs:2:5 [INFO] [stdout] | [INFO] [stdout] 2 | use crate::semcheck::Type; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused label [INFO] [stdout] --> src/ssa_generator/mod.rs:217:13 [INFO] [stdout] | [INFO] [stdout] 217 | 'outer: for i in cfg.basic_blocks[block].start..cfg.basic_blocks[block].end { [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_labels)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `StackOffset` [INFO] [stdout] --> src/byte_generator/mod.rs:10:71 [INFO] [stdout] | [INFO] [stdout] 10 | use crate::byte_generator::Value::{VirtualRegister, ComparisonResult, StackOffset}; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: use of deprecated item 'std::error::Error::description': use the Display impl or to_string() [INFO] [stdout] --> src/lexer/mod.rs:307:16 [INFO] [stdout] | [INFO] [stdout] 307 | if e.description().contains("too large to fit") { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(deprecated)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdout_handle` [INFO] [stdout] --> src/code_generator/stack_allocator.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let stdout_handle = stdout.lock(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout_handle` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/parser/mod.rs:460:9 [INFO] [stdout] | [INFO] [stdout] 460 | self.expect(TokenType::LBracket); [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: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compiler::frontend::run_frontend` [INFO] [stdout] --> src/main.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use compiler::frontend::run_frontend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compiler::middleend::run_middleend` [INFO] [stdout] --> src/main.rs:5:5 [INFO] [stdout] | [INFO] [stdout] 5 | use compiler::middleend::run_middleend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compiler::backend::run_backend` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use compiler::backend::run_backend; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `compiler::error_reporter::file_reporter::FileErrorReporter` [INFO] [stdout] --> src/main.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 7 | use compiler::error_reporter::file_reporter::FileErrorReporter; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `ArgumentParser`, `StoreFalse`, `StoreTrue`, `Store` [INFO] [stdout] --> src/main.rs:9:16 [INFO] [stdout] | [INFO] [stdout] 9 | use argparse::{ArgumentParser, StoreTrue, Store, StoreFalse}; [INFO] [stdout] | ^^^^^^^^^^^^^^ ^^^^^^^^^ ^^^^^ ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::rc::Rc` [INFO] [stdout] --> src/main.rs:11:5 [INFO] [stdout] | [INFO] [stdout] 11 | use std::rc::Rc; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::cell::RefCell` [INFO] [stdout] --> src/main.rs:12:5 [INFO] [stdout] | [INFO] [stdout] 12 | use std::cell::RefCell; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 7 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4239:13 [INFO] [stdout] | [INFO] [stdout] 4239 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4308:13 [INFO] [stdout] | [INFO] [stdout] 4308 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4392:13 [INFO] [stdout] | [INFO] [stdout] 4392 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4484:13 [INFO] [stdout] | [INFO] [stdout] 4484 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4547:13 [INFO] [stdout] | [INFO] [stdout] 4547 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4621:13 [INFO] [stdout] | [INFO] [stdout] 4621 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4714:13 [INFO] [stdout] | [INFO] [stdout] 4714 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4883:13 [INFO] [stdout] | [INFO] [stdout] 4883 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:4951:13 [INFO] [stdout] | [INFO] [stdout] 4951 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:5157:13 [INFO] [stdout] | [INFO] [stdout] 5157 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/parser/mod.rs:5252:13 [INFO] [stdout] | [INFO] [stdout] 5252 | let node = parser.parse(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/parser/mod.rs:5300:13 [INFO] [stdout] | [INFO] [stdout] 5300 | let node = parser.parse(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:5350:13 [INFO] [stdout] | [INFO] [stdout] 5350 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:5430:13 [INFO] [stdout] | [INFO] [stdout] 5430 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/parser/mod.rs:5506:13 [INFO] [stdout] | [INFO] [stdout] 5506 | let node = parser.parse(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:5558:13 [INFO] [stdout] | [INFO] [stdout] 5558 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:5644:13 [INFO] [stdout] | [INFO] [stdout] 5644 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/parser/mod.rs:5740:13 [INFO] [stdout] | [INFO] [stdout] 5740 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `node` [INFO] [stdout] --> src/parser/mod.rs:5820:13 [INFO] [stdout] | [INFO] [stdout] 5820 | let node = parser.parse(); [INFO] [stdout] | ^^^^ help: if this is intentional, prefix it with an underscore: `_node` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/semcheck/mod.rs:6036:13 [INFO] [stdout] | [INFO] [stdout] 6036 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/semcheck/mod.rs:6133:13 [INFO] [stdout] | [INFO] [stdout] 6133 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/semcheck/mod.rs:6426:13 [INFO] [stdout] | [INFO] [stdout] 6426 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/semcheck/mod.rs:6490:13 [INFO] [stdout] | [INFO] [stdout] 6490 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/semcheck/mod.rs:7078:13 [INFO] [stdout] | [INFO] [stdout] 7078 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `messages` [INFO] [stdout] --> src/semcheck/mod.rs:7620:13 [INFO] [stdout] | [INFO] [stdout] 7620 | let messages = borrowed.get_messages(); [INFO] [stdout] | ^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_messages` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `stdout_handle` [INFO] [stdout] --> src/code_generator/stack_allocator.rs:182:9 [INFO] [stdout] | [INFO] [stdout] 182 | let stdout_handle = stdout.lock(); [INFO] [stdout] | ^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_stdout_handle` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/parser/mod.rs:460:9 [INFO] [stdout] | [INFO] [stdout] 460 | self.expect(TokenType::LBracket); [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: 32 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 17.83s [INFO] running `Command { std: "docker" "inspect" "22b375330089b921fd60c07c9d1a351537cc66d0dcefa894662f77140724e242", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "22b375330089b921fd60c07c9d1a351537cc66d0dcefa894662f77140724e242", kill_on_drop: false }` [INFO] [stdout] 22b375330089b921fd60c07c9d1a351537cc66d0dcefa894662f77140724e242