[INFO] cloning repository https://github.com/victorcwai/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/victorcwai/rust-lox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorcwai%2Frust-lox", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorcwai%2Frust-lox'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 02e0a5ef1429dc842370d3866565693eff24473f [INFO] testing victorcwai/rust-lox against master#c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 for pr-146098-7 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fvictorcwai%2Frust-lox" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/victorcwai/rust-lox [INFO] finished tweaking git repo https://github.com/victorcwai/rust-lox [INFO] tweaked toml for git repo https://github.com/victorcwai/rust-lox written to /workspace/builds/worker-2-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/victorcwai/rust-lox on toolchain c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/victorcwai/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" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 38706e29b1b74729d515967b5fffc4c3e0d577f2e20b78c2b4d282b4e3bdaabe [INFO] running `Command { std: "docker" "start" "-a" "38706e29b1b74729d515967b5fffc4c3e0d577f2e20b78c2b4d282b4e3bdaabe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "38706e29b1b74729d515967b5fffc4c3e0d577f2e20b78c2b4d282b4e3bdaabe", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "38706e29b1b74729d515967b5fffc4c3e0d577f2e20b78c2b4d282b4e3bdaabe", kill_on_drop: false }` [INFO] [stdout] 38706e29b1b74729d515967b5fffc4c3e0d577f2e20b78c2b4d282b4e3bdaabe [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] cb84eaa6c964ba8ff9b5123e45354504c924d2c77d868bfca4ecfeb39ae6d3c8 [INFO] running `Command { std: "docker" "start" "-a" "cb84eaa6c964ba8ff9b5123e45354504c924d2c77d868bfca4ecfeb39ae6d3c8", kill_on_drop: false }` [INFO] [stderr] Compiling rust-lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:471:31 [INFO] [stdout] | [INFO] [stdout] 471 | fn rule_binary(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:491:29 [INFO] [stdout] | [INFO] [stdout] 491 | fn rule_call(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:496:32 [INFO] [stdout] | [INFO] [stdout] 496 | fn rule_literal(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:505:33 [INFO] [stdout] | [INFO] [stdout] 505 | fn rule_grouping(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:511:31 [INFO] [stdout] | [INFO] [stdout] 511 | fn rule_number(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:520:27 [INFO] [stdout] | [INFO] [stdout] 520 | fn rule_or(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:533:31 [INFO] [stdout] | [INFO] [stdout] 533 | fn rule_string(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:566:30 [INFO] [stdout] | [INFO] [stdout] 566 | fn rule_unary(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:734:28 [INFO] [stdout] | [INFO] [stdout] 734 | fn rule_and(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ok` is never constructed [INFO] [stdout] --> src/vm.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum InterpretResult { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 41 | Ok, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `InterpretResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | vm.interpret(&buffer); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = vm.interpret(&buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/compiler.rs:780:20 [INFO] [stdout] | [INFO] [stdout] 780 | if self.compiler.function.arity > 255 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:8:24 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(source: &str) -> Scanner { [INFO] [stdout] | ^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(source: &str) -> Scanner<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | self.runtime_error(&msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = self.runtime_error(&msg); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | self.runtime_error("Stack overflow."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 273 | let _ = self.runtime_error("Stack overflow."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm.rs:285:17 [INFO] [stdout] | [INFO] [stdout] 285 | self.runtime_error("Can only call functions and classes."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 285 | let _ = self.runtime_error("Can only call functions and classes."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.57s [INFO] running `Command { std: "docker" "inspect" "cb84eaa6c964ba8ff9b5123e45354504c924d2c77d868bfca4ecfeb39ae6d3c8", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb84eaa6c964ba8ff9b5123e45354504c924d2c77d868bfca4ecfeb39ae6d3c8", kill_on_drop: false }` [INFO] [stdout] cb84eaa6c964ba8ff9b5123e45354504c924d2c77d868bfca4ecfeb39ae6d3c8 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] d5767cda46eefd9b8e3d327e1a8322b5e58aa5bf4d829ffa6811a944f1573998 [INFO] running `Command { std: "docker" "start" "-a" "d5767cda46eefd9b8e3d327e1a8322b5e58aa5bf4d829ffa6811a944f1573998", kill_on_drop: false }` [INFO] [stderr] Compiling rust-lox v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::convert::TryInto` [INFO] [stdout] --> src/main.rs:72:9 [INFO] [stdout] | [INFO] [stdout] 72 | use std::convert::TryInto; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Chunk` and `OpCode` [INFO] [stdout] --> src/main.rs:74:24 [INFO] [stdout] | [INFO] [stdout] 74 | use crate::chunk::{Chunk, OpCode}; [INFO] [stdout] | ^^^^^ ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::debug::disassemble_chunk` [INFO] [stdout] --> src/main.rs:75:9 [INFO] [stdout] | [INFO] [stdout] 75 | use crate::debug::disassemble_chunk; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::interner::Interner` [INFO] [stdout] --> src/main.rs:76:9 [INFO] [stdout] | [INFO] [stdout] 76 | use crate::interner::Interner; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `crate::value` [INFO] [stdout] --> src/main.rs:77:9 [INFO] [stdout] | [INFO] [stdout] 77 | use crate::value; [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:471:31 [INFO] [stdout] | [INFO] [stdout] 471 | fn rule_binary(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:491:29 [INFO] [stdout] | [INFO] [stdout] 491 | fn rule_call(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:496:32 [INFO] [stdout] | [INFO] [stdout] 496 | fn rule_literal(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:505:33 [INFO] [stdout] | [INFO] [stdout] 505 | fn rule_grouping(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:511:31 [INFO] [stdout] | [INFO] [stdout] 511 | fn rule_number(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:520:27 [INFO] [stdout] | [INFO] [stdout] 520 | fn rule_or(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:533:31 [INFO] [stdout] | [INFO] [stdout] 533 | fn rule_string(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:566:30 [INFO] [stdout] | [INFO] [stdout] 566 | fn rule_unary(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `can_assign` [INFO] [stdout] --> src/compiler.rs:734:28 [INFO] [stdout] | [INFO] [stdout] 734 | fn rule_and(&mut self, can_assign: bool) { [INFO] [stdout] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `Ok` is never constructed [INFO] [stdout] --> src/vm.rs:41:5 [INFO] [stdout] | [INFO] [stdout] 40 | pub enum InterpretResult { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 41 | Ok, [INFO] [stdout] | ^^ [INFO] [stdout] | [INFO] [stdout] = note: `InterpretResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/main.rs:51:17 [INFO] [stdout] | [INFO] [stdout] 51 | vm.interpret(&buffer); [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)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 51 | let _ = vm.interpret(&buffer); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: comparison is useless due to type limits [INFO] [stdout] --> src/compiler.rs:780:20 [INFO] [stdout] | [INFO] [stdout] 780 | if self.compiler.function.arity > 255 { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stdout] --> src/scanner.rs:8:24 [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(source: &str) -> Scanner { [INFO] [stdout] | ^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stdout] | | [INFO] [stdout] | the lifetime is elided here [INFO] [stdout] | [INFO] [stdout] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: use `'_` for type paths [INFO] [stdout] | [INFO] [stdout] 8 | pub fn new(source: &str) -> Scanner<'_> { [INFO] [stdout] | ++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm.rs:269:13 [INFO] [stdout] | [INFO] [stdout] 269 | self.runtime_error(&msg); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 269 | let _ = self.runtime_error(&msg); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm.rs:273:13 [INFO] [stdout] | [INFO] [stdout] 273 | self.runtime_error("Stack overflow."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 273 | let _ = self.runtime_error("Stack overflow."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused `Result` that must be used [INFO] [stdout] --> src/vm.rs:285:17 [INFO] [stdout] | [INFO] [stdout] 285 | self.runtime_error("Can only call functions and classes."); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stdout] help: use `let _ = ...` to ignore the resulting value [INFO] [stdout] | [INFO] [stdout] 285 | let _ = self.runtime_error("Can only call functions and classes."); [INFO] [stdout] | +++++++ [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.83s [INFO] running `Command { std: "docker" "inspect" "d5767cda46eefd9b8e3d327e1a8322b5e58aa5bf4d829ffa6811a944f1573998", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d5767cda46eefd9b8e3d327e1a8322b5e58aa5bf4d829ffa6811a944f1573998", kill_on_drop: false }` [INFO] [stdout] d5767cda46eefd9b8e3d327e1a8322b5e58aa5bf4d829ffa6811a944f1573998 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+c90bcb9571b7aab0d8beaa2ce8a998ffaf079d38" "test" "--frozen", kill_on_drop: false }` [INFO] [stdout] 63c8e70e3400848de2644204e7978a1aadb0992424e9eb61a4749fcd2db28d64 [INFO] running `Command { std: "docker" "start" "-a" "63c8e70e3400848de2644204e7978a1aadb0992424e9eb61a4749fcd2db28d64", kill_on_drop: false }` [INFO] [stderr] warning: unused import: `std::convert::TryInto` [INFO] [stderr] --> src/main.rs:72:9 [INFO] [stderr] | [INFO] [stderr] 72 | use std::convert::TryInto; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Chunk` and `OpCode` [INFO] [stderr] --> src/main.rs:74:24 [INFO] [stderr] | [INFO] [stderr] 74 | use crate::chunk::{Chunk, OpCode}; [INFO] [stderr] | ^^^^^ ^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::debug::disassemble_chunk` [INFO] [stderr] --> src/main.rs:75:9 [INFO] [stderr] | [INFO] [stderr] 75 | use crate::debug::disassemble_chunk; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::interner::Interner` [INFO] [stderr] --> src/main.rs:76:9 [INFO] [stderr] | [INFO] [stderr] 76 | use crate::interner::Interner; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `crate::value` [INFO] [stderr] --> src/main.rs:77:9 [INFO] [stderr] | [INFO] [stderr] 77 | use crate::value; [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:471:31 [INFO] [stderr] | [INFO] [stderr] 471 | fn rule_binary(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:491:29 [INFO] [stderr] | [INFO] [stderr] 491 | fn rule_call(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:496:32 [INFO] [stderr] | [INFO] [stderr] 496 | fn rule_literal(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:505:33 [INFO] [stderr] | [INFO] [stderr] 505 | fn rule_grouping(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:511:31 [INFO] [stderr] | [INFO] [stderr] 511 | fn rule_number(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:520:27 [INFO] [stderr] | [INFO] [stderr] 520 | fn rule_or(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:533:31 [INFO] [stderr] | [INFO] [stderr] 533 | fn rule_string(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:566:30 [INFO] [stderr] | [INFO] [stderr] 566 | fn rule_unary(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `can_assign` [INFO] [stderr] --> src/compiler.rs:734:28 [INFO] [stderr] | [INFO] [stderr] 734 | fn rule_and(&mut self, can_assign: bool) { [INFO] [stderr] | ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign` [INFO] [stderr] [INFO] [stderr] warning: variant `Ok` is never constructed [INFO] [stderr] --> src/vm.rs:41:5 [INFO] [stderr] | [INFO] [stderr] 40 | pub enum InterpretResult { [INFO] [stderr] | --------------- variant in this enum [INFO] [stderr] 41 | Ok, [INFO] [stderr] | ^^ [INFO] [stderr] | [INFO] [stderr] = note: `InterpretResult` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis [INFO] [stderr] = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/main.rs:51:17 [INFO] [stderr] | [INFO] [stderr] 51 | vm.interpret(&buffer); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] = note: `#[warn(unused_must_use)]` (part of `#[warn(unused)]`) on by default [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 51 | let _ = vm.interpret(&buffer); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: comparison is useless due to type limits [INFO] [stderr] --> src/compiler.rs:780:20 [INFO] [stderr] | [INFO] [stderr] 780 | if self.compiler.function.arity > 255 { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_comparisons)]` on by default [INFO] [stderr] [INFO] [stderr] warning: hiding a lifetime that's elided elsewhere is confusing [INFO] [stderr] --> src/scanner.rs:8:24 [INFO] [stderr] | [INFO] [stderr] 8 | pub fn new(source: &str) -> Scanner { [INFO] [stderr] | ^^^^ ^^^^^^^ the same lifetime is hidden here [INFO] [stderr] | | [INFO] [stderr] | the lifetime is elided here [INFO] [stderr] | [INFO] [stderr] = help: the same lifetime is referred to in inconsistent ways, making the signature confusing [INFO] [stderr] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stderr] help: use `'_` for type paths [INFO] [stderr] | [INFO] [stderr] 8 | pub fn new(source: &str) -> Scanner<'_> { [INFO] [stderr] | ++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/vm.rs:269:13 [INFO] [stderr] | [INFO] [stderr] 269 | self.runtime_error(&msg); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 269 | let _ = self.runtime_error(&msg); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/vm.rs:273:13 [INFO] [stderr] | [INFO] [stderr] 273 | self.runtime_error("Stack overflow."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 273 | let _ = self.runtime_error("Stack overflow."); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: unused `Result` that must be used [INFO] [stderr] --> src/vm.rs:285:17 [INFO] [stderr] | [INFO] [stderr] 285 | self.runtime_error("Can only call functions and classes."); [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: this `Result` may be an `Err` variant, which should be handled [INFO] [stderr] help: use `let _ = ...` to ignore the resulting value [INFO] [stderr] | [INFO] [stderr] 285 | let _ = self.runtime_error("Can only call functions and classes."); [INFO] [stderr] | +++++++ [INFO] [stderr] [INFO] [stderr] warning: `rust-lox` (bin "rust-lox" test) generated 21 warnings (run `cargo fix --bin "rust-lox" -p rust-lox --tests` to apply 15 suggestions) [INFO] [stderr] Finished `test` profile [unoptimized + debuginfo] target(s) in 0.20s [INFO] [stderr] Running unittests src/main.rs (/opt/rustwide/target/debug/deps/rust_lox-476cb2daee0c61ac) [INFO] [stdout] [INFO] [stdout] running 8 tests [INFO] [stdout] test tests::ch24_calls ... ok [INFO] [stdout] test tests::ch21_global ... ok [INFO] [stdout] test tests::ch24_calls3 ... ok [INFO] [stdout] test tests::ch14_chunk ... ok [INFO] [stdout] test tests::ch24_calls4 ... ok [INFO] [stdout] test tests::ch18_values ... ok [INFO] [stdout] test tests::ch24_calls2 ... ok [INFO] [stdout] test tests::ch15_vm ... ok [INFO] [stdout] [INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.05s [INFO] [stdout] [INFO] running `Command { std: "docker" "inspect" "63c8e70e3400848de2644204e7978a1aadb0992424e9eb61a4749fcd2db28d64", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "63c8e70e3400848de2644204e7978a1aadb0992424e9eb61a4749fcd2db28d64", kill_on_drop: false }` [INFO] [stdout] 63c8e70e3400848de2644204e7978a1aadb0992424e9eb61a4749fcd2db28d64