[INFO] cloning repository https://github.com/Alex1um/boatLang [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/Alex1um/boatLang" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex1um%2FboatLang", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex1um%2FboatLang'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9d9f4c00fbef8bf1de0bb93a2ab6366516a5b4fc [INFO] checking Alex1um/boatLang/9d9f4c00fbef8bf1de0bb93a2ab6366516a5b4fc against try#4d98531622e1718ae0bc3c7a1ab9cd8938428452+rustflags=-Dtail_expr_drop_order for pr-129604 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FAlex1um%2FboatLang" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/Alex1um/boatLang on toolchain 4d98531622e1718ae0bc3c7a1ab9cd8938428452 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/Alex1um/boatLang [INFO] finished tweaking git repo https://github.com/Alex1um/boatLang [INFO] tweaked toml for git repo https://github.com/Alex1um/boatLang written to /workspace/builds/worker-7-tc2/source/Cargo.toml [INFO] crate git repo https://github.com/Alex1um/boatLang 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" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 734c7a4df7602e619c3a2e8740125c02a18cdfae93a4e1e765d920997786e608 [INFO] running `Command { std: "docker" "start" "-a" "734c7a4df7602e619c3a2e8740125c02a18cdfae93a4e1e765d920997786e608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "734c7a4df7602e619c3a2e8740125c02a18cdfae93a4e1e765d920997786e608", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "734c7a4df7602e619c3a2e8740125c02a18cdfae93a4e1e765d920997786e608", kill_on_drop: false }` [INFO] [stdout] 734c7a4df7602e619c3a2e8740125c02a18cdfae93a4e1e765d920997786e608 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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 -Dtail_expr_drop_order" "-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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+4d98531622e1718ae0bc3c7a1ab9cd8938428452" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 6079758a6cea90d0c91e16d67a8d61b0fb448b60c082e4afda0798221516b729 [INFO] running `Command { std: "docker" "start" "-a" "6079758a6cea90d0c91e16d67a8d61b0fb448b60c082e4afda0798221516b729", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.78 [INFO] [stderr] Compiling thiserror v1.0.56 [INFO] [stderr] Compiling once_cell v1.19.0 [INFO] [stderr] Compiling ucd-trie v0.1.6 [INFO] [stderr] Compiling memchr v2.7.1 [INFO] [stderr] Compiling wasm-bindgen-shared v0.2.92 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Compiling log v0.4.21 [INFO] [stderr] Compiling bumpalo v3.16.0 [INFO] [stderr] Compiling wasm-bindgen v0.2.92 [INFO] [stderr] Compiling xflags-macros v0.3.2 [INFO] [stderr] Checking cfg-if v1.0.0 [INFO] [stderr] Checking xflags v0.3.2 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling syn v2.0.48 [INFO] [stderr] Compiling wasm-bindgen-backend v0.2.92 [INFO] [stderr] Compiling thiserror-impl v1.0.56 [INFO] [stderr] Compiling wasm-bindgen-macro-support v0.2.92 [INFO] [stderr] Compiling pest v2.7.6 [INFO] [stderr] Compiling wasm-bindgen-macro v0.2.92 [INFO] [stderr] Compiling pest_meta v2.7.6 [INFO] [stderr] Compiling pest_generator v2.7.6 [INFO] [stderr] Compiling pest_derive v2.7.6 [INFO] [stderr] Checking boat_lang v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `BoatExpr` [INFO] [stdout] --> src/program_translator.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::boat_program::{Block, BoatExpr, Function, Functions, Program, Statement}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `path::Display` [INFO] [stdout] --> src/interpreter.rs:1:54 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, io::{Write, BufRead, Read}, path::Display, thread::sleep, time::Duration}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `BoatExpr` [INFO] [stdout] --> src/program_translator.rs:5:34 [INFO] [stdout] | [INFO] [stdout] 5 | use crate::boat_program::{Block, BoatExpr, Function, Functions, Program, Statement}; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Read` and `path::Display` [INFO] [stdout] --> src/interpreter.rs:1:54 [INFO] [stdout] | [INFO] [stdout] 1 | use std::{collections::HashMap, io::{Write, BufRead, Read}, path::Display, thread::sleep, time::Duration}; [INFO] [stdout] | ^^^^ ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/expr_parser.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | .map_prefix(|op, exp| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `op` [INFO] [stdout] --> src/expr_parser.rs:58:22 [INFO] [stdout] | [INFO] [stdout] 58 | .map_prefix(|op, exp| { [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_op` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/program_optimizer.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | Statement::If { expr, block, else_block } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `expr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/program_optimizer.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | Statement::While { expr, block } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `expr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/program_optimizer.rs:25:45 [INFO] [stdout] | [INFO] [stdout] 25 | Statement::FunctionDefinition { name, arg_names, block } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 38 | .map_infix(|lhs, op, rhs| { [INFO] [stdout] | --- --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 53 | lhs: Box::new(lhs), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 38 | .map_infix(|lhs, op, rhs| { [INFO] [stdout] | --- --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 55 | rhs: Box::new(rhs), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:59:36 [INFO] [stdout] | [INFO] [stdout] 58 | .map_prefix(|op, exp| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 59 | BoatExpr::BinOp { lhs: Box::new(BoatExpr::Value("0".to_owned())), op: BoatOp::Sub, rhs: Box::new(exp) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:59:101 [INFO] [stdout] | [INFO] [stdout] 58 | .map_prefix(|op, exp| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 59 | BoatExpr::BinOp { lhs: Box::new(BoatExpr::Value("0".to_owned())), op: BoatOp::Sub, rhs: Box::new(exp) } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/program_parser.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 89 | let mut functions = HashMap::::new(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 131 | let block = parse_block(main_block_pairs); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 132 | Ok(Program { functions, block }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/program_translator.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn translate_block(block: Block, instruction_index: &mut u32, functions: &mut Functions, labeled_lines: &mut HashSet) -> Vec [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | writeln!(output, "{}| {ins} -- {:?} -- {:?}", i + 1, stack, kvs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | writeln!(output, "{out_num} <- {out}"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `boat_lang` (lib test) due to 7 previous errors; 8 warnings emitted [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/program_optimizer.rs:16:29 [INFO] [stdout] | [INFO] [stdout] 16 | Statement::If { expr, block, else_block } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `expr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `expr` [INFO] [stdout] --> src/program_optimizer.rs:22:32 [INFO] [stdout] | [INFO] [stdout] 22 | Statement::While { expr, block } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `expr: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `name` [INFO] [stdout] --> src/program_optimizer.rs:25:45 [INFO] [stdout] | [INFO] [stdout] 25 | Statement::FunctionDefinition { name, arg_names, block } => { [INFO] [stdout] | ^^^^ help: try ignoring the field: `name: _` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:53:22 [INFO] [stdout] | [INFO] [stdout] 38 | .map_infix(|lhs, op, rhs| { [INFO] [stdout] | --- --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 53 | lhs: Box::new(lhs), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] = note: requested on the command line with `-D tail-expr-drop-order` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:55:22 [INFO] [stdout] | [INFO] [stdout] 38 | .map_infix(|lhs, op, rhs| { [INFO] [stdout] | --- --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] | | [INFO] [stdout] | these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 55 | rhs: Box::new(rhs), [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:59:36 [INFO] [stdout] | [INFO] [stdout] 58 | .map_prefix(|op, exp| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 59 | BoatExpr::BinOp { lhs: Box::new(BoatExpr::Value("0".to_owned())), op: BoatOp::Sub, rhs: Box::new(exp) } [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/expr_parser.rs:59:101 [INFO] [stdout] | [INFO] [stdout] 58 | .map_prefix(|op, exp| { [INFO] [stdout] | --- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 59 | BoatExpr::BinOp { lhs: Box::new(BoatExpr::Value("0".to_owned())), op: BoatOp::Sub, rhs: Box::new(exp) } [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/program_parser.rs:132:8 [INFO] [stdout] | [INFO] [stdout] 89 | let mut functions = HashMap::::new(); [INFO] [stdout] | --------- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] ... [INFO] [stdout] 131 | let block = parse_block(main_block_pairs); [INFO] [stdout] | ----- these values have significant drop implementation and will observe changes in drop order under Edition 2024 [INFO] [stdout] 132 | Ok(Program { functions, block }) [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = warning: this changes meaning in Rust 2024 [INFO] [stdout] = note: for more information, see issue #123739 [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: these values and local bindings have significant drop implementation that will have a different drop order from that of Edition 2021 [INFO] [stdout] --> src/program_translator.rs:96:5 [INFO] [stdout] | [INFO] [stdout] 95 | pub fn translate_block(block: Block, instruction_index: &mut u32, functions: &mut Functions, labeled_lines: &mut HashSet) -> Vec [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:23:13 [INFO] [stdout] | [INFO] [stdout] 23 | writeln!(output, "{}| {ins} -- {:?} -- {:?}", i + 1, stack, kvs); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: `#[warn(unused_must_use)]` on by default [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/interpreter.rs:43:17 [INFO] [stdout] | [INFO] [stdout] 43 | writeln!(output, "{out_num} <- {out}"); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] = note: this warning originates in the macro `writeln` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to 6 previous errors; 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `boat_lang` (lib) due to 7 previous errors; 8 warnings emitted [INFO] running `Command { std: "docker" "inspect" "6079758a6cea90d0c91e16d67a8d61b0fb448b60c082e4afda0798221516b729", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "6079758a6cea90d0c91e16d67a8d61b0fb448b60c082e4afda0798221516b729", kill_on_drop: false }` [INFO] [stdout] 6079758a6cea90d0c91e16d67a8d61b0fb448b60c082e4afda0798221516b729