[INFO] cloning repository https://github.com/yiransheng/rust-lox [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/yiransheng/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyiransheng%2Frust-lox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyiransheng%2Frust-lox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 4436d65e1509b0dcb5f02d31ea74ecb0ea295584 [INFO] checking yiransheng/rust-lox against master#1f12b9b0fdbe735968ac002792a720f0ba4faca6 for crater-rollup-uwu [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fyiransheng%2Frust-lox" "/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/yiransheng/rust-lox on toolchain 1f12b9b0fdbe735968ac002792a720f0ba4faca6 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/yiransheng/rust-lox [INFO] finished tweaking git repo https://github.com/yiransheng/rust-lox [INFO] tweaked toml for git repo https://github.com/yiransheng/rust-lox written to /workspace/builds/worker-4-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/yiransheng/rust-lox 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" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded num-derive v0.2.3 [INFO] [stderr] Downloaded arraydeque v0.4.3 [INFO] [stderr] Downloaded num-bigint v0.2.0 [INFO] [stderr] Downloaded syn v0.15.9 [INFO] [stderr] Downloaded proc-macro2 v0.4.20 [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] dce267fdc84bf677f05994288830f0f9063c203102edb821a7dc5d421f589e6c [INFO] running `Command { std: "docker" "start" "-a" "dce267fdc84bf677f05994288830f0f9063c203102edb821a7dc5d421f589e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "dce267fdc84bf677f05994288830f0f9063c203102edb821a7dc5d421f589e6c", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "dce267fdc84bf677f05994288830f0f9063c203102edb821a7dc5d421f589e6c", kill_on_drop: false }` [INFO] [stdout] dce267fdc84bf677f05994288830f0f9063c203102edb821a7dc5d421f589e6c [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@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+1f12b9b0fdbe735968ac002792a720f0ba4faca6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2694fd5bf50ba770cefe2e09ddeef411fcafc1077ebb3cf80e6297c19583a9a4 [INFO] running `Command { std: "docker" "start" "-a" "2694fd5bf50ba770cefe2e09ddeef411fcafc1077ebb3cf80e6297c19583a9a4", kill_on_drop: false }` [INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2021 [INFO] [stderr] Compiling num-traits v0.2.6 [INFO] [stderr] Compiling num-integer v0.1.39 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Compiling num-rational v0.2.1 [INFO] [stderr] Compiling num-iter v0.1.37 [INFO] [stderr] Compiling num-complex v0.2.1 [INFO] [stderr] Compiling num-derive v0.2.3 [INFO] [stderr] Checking arraydeque v0.4.3 [INFO] [stderr] Compiling quote v0.6.8 [INFO] [stderr] Compiling syn v0.15.9 [INFO] [stderr] Checking num v0.2.0 [INFO] [stderr] Checking loxvm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `object::*` [INFO] [stdout] --> src/compiler.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use object::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Into` [INFO] [stdout] --> src/value.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common::*` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use common::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `scanner::Scanner` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use scanner::Scanner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `scanner::TokenType` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use scanner::TokenType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `object::*` [INFO] [stdout] --> src/compiler.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use object::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `Into` [INFO] [stdout] --> src/value.rs:2:26 [INFO] [stdout] | [INFO] [stdout] 2 | use std::convert::{From, Into}; [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `common::*` [INFO] [stdout] --> src/main.rs:17:5 [INFO] [stdout] | [INFO] [stdout] 17 | use common::*; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `scanner::Scanner` [INFO] [stdout] --> src/main.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 19 | use scanner::Scanner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `scanner::TokenType` [INFO] [stdout] --> src/main.rs:20:5 [INFO] [stdout] | [INFO] [stdout] 20 | use scanner::TokenType; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:74:25 [INFO] [stdout] | [INFO] [stdout] 74 | let mut value; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:74:25 [INFO] [stdout] | [INFO] [stdout] 74 | let mut value; [INFO] [stdout] | ----^^^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `line_no`, `payload`, and `message` are never read [INFO] [stdout] --> src/compiler.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct CompileError { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 10 | pub line_no: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | pub payload: CompileErrorPayload, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub message: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/compiler.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | UnexpectedToken(TokenType), [INFO] [stdout] | --------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CompileErrorPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | UnexpectedToken(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TooManyConstants` is never constructed [INFO] [stdout] --> src/compiler.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum CompileErrorPayload { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | TooManyConstants, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CompileErrorPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `error_at_current` is never used [INFO] [stdout] --> src/compiler.rs:361:8 [INFO] [stdout] | [INFO] [stdout] 93 | impl<'a, 'b: 'a> Parser<'a, 'b> { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 361 | fn error_at_current(&mut self, message: &str) -> CompileError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Function` is never constructed [INFO] [stdout] --> src/object.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Obj { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] 7 | Function, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Obj` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `identifier_equal` is never used [INFO] [stdout] --> src/scanner/token.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl<'a> Token<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn identifier_equal(&self, other: &Token<'a>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `take` and `into_bool` are never used [INFO] [stdout] --> src/value.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl Value { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 43 | pub fn take(&mut self) -> Value { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn into_bool(self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: fields `line_no`, `payload`, and `message` are never read [INFO] [stdout] --> src/compiler.rs:10:9 [INFO] [stdout] | [INFO] [stdout] 9 | pub struct CompileError { [INFO] [stdout] | ------------ fields in this struct [INFO] [stdout] 10 | pub line_no: u64, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 11 | pub payload: CompileErrorPayload, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] 12 | pub message: Option, [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CompileError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `0` is never read [INFO] [stdout] --> src/compiler.rs:18:21 [INFO] [stdout] | [INFO] [stdout] 18 | UnexpectedToken(TokenType), [INFO] [stdout] | --------------- ^^^^^^^^^ [INFO] [stdout] | | [INFO] [stdout] | field in this variant [INFO] [stdout] | [INFO] [stdout] = note: `CompileErrorPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] help: consider changing the field to be of unit type to suppress this warning while preserving the field numbering, or remove the field [INFO] [stdout] | [INFO] [stdout] 18 | UnexpectedToken(()), [INFO] [stdout] | ~~ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `TooManyConstants` is never constructed [INFO] [stdout] --> src/compiler.rs:19:5 [INFO] [stdout] | [INFO] [stdout] 15 | pub enum CompileErrorPayload { [INFO] [stdout] | ------------------- variant in this enum [INFO] [stdout] ... [INFO] [stdout] 19 | TooManyConstants, [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `CompileErrorPayload` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `error_at_current` is never used [INFO] [stdout] --> src/compiler.rs:361:8 [INFO] [stdout] | [INFO] [stdout] 93 | impl<'a, 'b: 'a> Parser<'a, 'b> { [INFO] [stdout] | ------------------------------- method in this implementation [INFO] [stdout] ... [INFO] [stdout] 361 | fn error_at_current(&mut self, message: &str) -> CompileError { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Function` is never constructed [INFO] [stdout] --> src/object.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 6 | pub enum Obj { [INFO] [stdout] | --- variant in this enum [INFO] [stdout] 7 | Function, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `Obj` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: method `identifier_equal` is never used [INFO] [stdout] --> src/scanner/token.rs:64:12 [INFO] [stdout] | [INFO] [stdout] 60 | impl<'a> Token<'a> { [INFO] [stdout] | ------------------ method in this implementation [INFO] [stdout] ... [INFO] [stdout] 64 | pub fn identifier_equal(&self, other: &Token<'a>) -> bool { [INFO] [stdout] | ^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `take` and `into_bool` are never used [INFO] [stdout] --> src/value.rs:43:12 [INFO] [stdout] | [INFO] [stdout] 42 | impl Value { [INFO] [stdout] | ---------------- methods in this implementation [INFO] [stdout] 43 | pub fn take(&mut self) -> Value { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 52 | pub fn into_bool(self) -> Option { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | vm.interpret(); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = vm.interpret(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/main.rs:38:13 [INFO] [stdout] | [INFO] [stdout] 38 | vm.interpret(); [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] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 38 | let _ = vm.interpret(); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | write!(write_to, " | "); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:111:13 [INFO] [stdout] | [INFO] [stdout] 111 | write!(write_to, " | "); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | write!(write_to, "{:04} ", line_no); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:113:13 [INFO] [stdout] | [INFO] [stdout] 113 | write!(write_to, "{:04} ", line_no); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | writeln!(write_to, "Unknown OptCode {}", instr); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:141:17 [INFO] [stdout] | [INFO] [stdout] 141 | writeln!(write_to, "Unknown OptCode {}", instr); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | writeln!(write_to, "{}", name); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:152:9 [INFO] [stdout] | [INFO] [stdout] 152 | writeln!(write_to, "{}", name); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | write!(write_to, "{:<16} {:04} ", name, constant); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:163:9 [INFO] [stdout] | [INFO] [stdout] 163 | write!(write_to, "{:<16} {:04} ", name, constant); [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 `write` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | writeln!(write_to, "{}", self.constants[constant as usize]); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/chunk.rs:164:9 [INFO] [stdout] | [INFO] [stdout] 164 | writeln!(write_to, "{}", self.constants[constant as usize]); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 227 | writeln!(self.output, "{}", v); [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] warning: unused `std::result::Result` that must be used [INFO] [stdout] --> src/vm.rs:227:9 [INFO] [stdout] | [INFO] [stdout] 227 | writeln!(self.output, "{}", v); [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] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 21 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 2.15s [INFO] running `Command { std: "docker" "inspect" "2694fd5bf50ba770cefe2e09ddeef411fcafc1077ebb3cf80e6297c19583a9a4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2694fd5bf50ba770cefe2e09ddeef411fcafc1077ebb3cf80e6297c19583a9a4", kill_on_drop: false }` [INFO] [stdout] 2694fd5bf50ba770cefe2e09ddeef411fcafc1077ebb3cf80e6297c19583a9a4