[INFO] cloning repository https://github.com/jakub-szczepaniak/lox-vm [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jakub-szczepaniak/lox-vm" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakub-szczepaniak%2Flox-vm", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakub-szczepaniak%2Flox-vm'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 9961d3936b23645089c93c24d5c450d9f3f30e3d [INFO] checking jakub-szczepaniak/lox-vm against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjakub-szczepaniak%2Flox-vm" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jakub-szczepaniak/lox-vm on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/jakub-szczepaniak/lox-vm [INFO] finished tweaking git repo https://github.com/jakub-szczepaniak/lox-vm [INFO] tweaked toml for git repo https://github.com/jakub-szczepaniak/lox-vm written to /workspace/builds/worker-3-tc1/source/Cargo.toml [INFO] crate git repo https://github.com/jakub-szczepaniak/lox-vm 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" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded semver v1.0.22 [INFO] [stderr] Downloaded colorchoice v1.0.0 [INFO] [stderr] Downloaded futures-executor v0.3.30 [INFO] [stderr] Downloaded futures-macro v0.3.30 [INFO] [stderr] Downloaded windows-targets v0.52.4 [INFO] [stderr] Downloaded clap_lex v0.7.0 [INFO] [stderr] Downloaded strsim v0.11.0 [INFO] [stderr] Downloaded heck v0.5.0 [INFO] [stderr] Downloaded anstyle-wincon v3.0.2 [INFO] [stderr] Downloaded anstyle-parse v0.2.3 [INFO] [stderr] Downloaded anstream v0.6.13 [INFO] [stderr] Downloaded clap v4.5.4 [INFO] [stderr] Downloaded minimal-lexical v0.2.1 [INFO] [stderr] Downloaded windows_aarch64_gnullvm v0.52.4 [INFO] [stderr] Downloaded regex-automata v0.4.6 [INFO] [stderr] Downloaded windows_x86_64_gnullvm v0.52.4 [INFO] [stderr] Downloaded windows_aarch64_msvc v0.52.4 [INFO] [stderr] Downloaded windows_i686_msvc v0.52.4 [INFO] [stderr] Downloaded windows_x86_64_gnu v0.52.4 [INFO] [stderr] Downloaded windows_i686_gnu v0.52.4 [INFO] [stderr] Downloaded windows_x86_64_msvc v0.52.4 [INFO] [stderr] Downloaded clap_builder v4.5.2 [INFO] [stderr] Downloaded regex v1.10.3 [INFO] [stderr] Downloaded syn v2.0.53 [INFO] [stderr] Downloaded nom v7.1.3 [INFO] [stderr] Downloaded futures v0.3.30 [INFO] [stderr] Downloaded windows-sys v0.52.0 [INFO] [stderr] Downloaded memchr v2.7.1 [INFO] [stderr] Downloaded anstyle-query v1.0.2 [INFO] [stderr] Downloaded anstyle v1.0.6 [INFO] [stderr] Downloaded clap_derive v4.5.4 [INFO] [stderr] Downloaded pin-project-lite v0.2.13 [INFO] [stderr] Downloaded glob v0.3.1 [INFO] [stderr] Downloaded rstest_macros v0.18.2 [INFO] [stderr] Downloaded utf8parse v0.2.1 [INFO] [stderr] Downloaded futures-timer v3.0.3 [INFO] [stderr] Downloaded rstest v0.18.2 [INFO] [stderr] Downloaded relative-path v1.9.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 32513f31989ee5f08a140525e02ef0f8ddd5d2fb4ff9b358e12be21d937766c2 [INFO] running `Command { std: "docker" "start" "-a" "32513f31989ee5f08a140525e02ef0f8ddd5d2fb4ff9b358e12be21d937766c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "32513f31989ee5f08a140525e02ef0f8ddd5d2fb4ff9b358e12be21d937766c2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "32513f31989ee5f08a140525e02ef0f8ddd5d2fb4ff9b358e12be21d937766c2", kill_on_drop: false }` [INFO] [stdout] 32513f31989ee5f08a140525e02ef0f8ddd5d2fb4ff9b358e12be21d937766c2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 9c1c87571163accecf1979adcac745d735cac7276254ae02aaf19000a2a701e6 [INFO] running `Command { std: "docker" "start" "-a" "9c1c87571163accecf1979adcac745d735cac7276254ae02aaf19000a2a701e6", kill_on_drop: false }` [INFO] [stderr] Compiling proc-macro2 v1.0.79 [INFO] [stderr] Compiling unicode-ident v1.0.12 [INFO] [stderr] Compiling semver v1.0.22 [INFO] [stderr] Compiling autocfg v1.1.0 [INFO] [stderr] Checking memchr v2.7.1 [INFO] [stderr] Checking futures-sink v0.3.30 [INFO] [stderr] Checking utf8parse v0.2.1 [INFO] [stderr] Checking futures-core v0.3.30 [INFO] [stderr] Checking pin-utils v0.1.0 [INFO] [stderr] Checking futures-task v0.3.30 [INFO] [stderr] Checking colorchoice v1.0.0 [INFO] [stderr] Checking futures-io v0.3.30 [INFO] [stderr] Checking anstyle-query v1.0.2 [INFO] [stderr] Compiling regex-syntax v0.8.2 [INFO] [stderr] Checking pin-project-lite v0.2.13 [INFO] [stderr] Checking anstyle v1.0.6 [INFO] [stderr] Checking anstyle-parse v0.2.3 [INFO] [stderr] Compiling heck v0.5.0 [INFO] [stderr] Checking strsim v0.11.0 [INFO] [stderr] Checking clap_lex v0.7.0 [INFO] [stderr] Compiling cfg-if v1.0.0 [INFO] [stderr] Checking futures-channel v0.3.30 [INFO] [stderr] Compiling relative-path v1.9.2 [INFO] [stderr] Compiling glob v0.3.1 [INFO] [stderr] Checking minimal-lexical v0.2.1 [INFO] [stderr] Checking futures-timer v3.0.3 [INFO] [stderr] Checking anstream v0.6.13 [INFO] [stderr] Compiling slab v0.4.9 [INFO] [stderr] Checking clap_builder v4.5.2 [INFO] [stderr] Checking nom v7.1.3 [INFO] [stderr] Compiling aho-corasick v1.1.2 [INFO] [stderr] Compiling rustc_version v0.4.0 [INFO] [stderr] Compiling quote v1.0.35 [INFO] [stderr] Compiling rstest_macros v0.18.2 [INFO] [stderr] Compiling syn v2.0.53 [INFO] [stderr] Compiling regex-automata v0.4.6 [INFO] [stderr] Compiling regex v1.10.3 [INFO] [stderr] Compiling futures-macro v0.3.30 [INFO] [stderr] Compiling clap_derive v4.5.4 [INFO] [stderr] Checking futures-util v0.3.30 [INFO] [stderr] Checking clap v4.5.4 [INFO] [stderr] Checking lox-vm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `chunk::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use chunk::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `escaped`, `line_ending`, `take_until` [INFO] [stdout] --> src/scanner.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | bytes::complete::{escaped, tag, take, take_until}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] 4 | character::complete::{line_ending, space0}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple variants are never constructed [INFO] [stdout] --> src/chunk.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum OpCode { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] 6 | Constant(Value), [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 7 | Negate, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 8 | Return, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] 9 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | Substract, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | Multiply, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 12 | Divide, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/chunk.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ChunkEntry { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 21 | code: OpCode, [INFO] [stdout] 22 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function `new` is never used [INFO] [stdout] --> src/chunk.rs:37:12 [INFO] [stdout] | [INFO] [stdout] 36 | impl ChunkEntry { [INFO] [stdout] | --------------- associated function in this implementation [INFO] [stdout] 37 | pub fn new(code: OpCode, line: usize) -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Chunk` is never constructed [INFO] [stdout] --> src/chunk.rs:42:12 [INFO] [stdout] | [INFO] [stdout] 42 | pub struct Chunk { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: multiple associated items are never used [INFO] [stdout] --> src/chunk.rs:48:12 [INFO] [stdout] | [INFO] [stdout] 47 | impl Chunk { [INFO] [stdout] | ---------- associated items in this implementation [INFO] [stdout] 48 | pub fn new() -> Self { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 55 | pub fn write_opcode(&mut self, code: OpCode, line: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 60 | pub fn add_constant(&mut self, value: Value, line: usize) { [INFO] [stdout] | ^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 70 | fn add_line(&mut self, line_number: usize) { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 79 | fn get_line(&self, index: usize) -> Option { [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 89 | pub fn free(&mut self) { [INFO] [stdout] | ^^^^ [INFO] [stdout] ... [INFO] [stdout] 94 | pub fn disassemble(&self, chunk_name: &str, output: &mut impl Write) { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 102 | pub fn disassemble_instruction(&self, offset: usize, output: &mut impl Write) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 124 | fn simple_instruction(&self, name: &str, offset: usize, output: &mut impl Write) -> usize { [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 129 | fn constant_instruction( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 142 | pub fn read(&self, index: usize) -> OpCode { [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variants `InterpretCompilerError` and `InterpretRuntimeError` are never constructed [INFO] [stdout] --> src/vm.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum InterpretResult { [INFO] [stdout] | --------------- variants in this enum [INFO] [stdout] 6 | InterpretOK, [INFO] [stdout] 7 | InterpretCompilerError, [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] 8 | InterpretRuntimeError, [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] [INFO] [stdout] [INFO] [stdout] warning: field `stack` is never read [INFO] [stdout] --> src/vm.rs:13:5 [INFO] [stdout] | [INFO] [stdout] 11 | pub struct VM { [INFO] [stdout] | -- field in this struct [INFO] [stdout] 12 | ip: usize, [INFO] [stdout] 13 | stack: Vec, [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: methods `run`, `divide_op`, `binary_op`, and `read_opcode` are never used [INFO] [stdout] --> src/vm.rs:35:8 [INFO] [stdout] | [INFO] [stdout] 16 | impl VM { [INFO] [stdout] | ------- methods in this implementation [INFO] [stdout] ... [INFO] [stdout] 35 | fn run(&mut self, chunk: &Chunk) -> InterpretResult { [INFO] [stdout] | ^^^ [INFO] [stdout] ... [INFO] [stdout] 78 | fn divide_op(&mut self) -> Result { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 90 | fn binary_op(&mut self, operation: fn(a: Value, b: Value) -> Value) { [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] ... [INFO] [stdout] 96 | fn read_opcode(&mut self, chunk: &Chunk) -> OpCode { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 10 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Checking futures-executor v0.3.30 [INFO] [stderr] Checking futures v0.3.30 [INFO] [stderr] Checking rstest v0.18.2 [INFO] [stdout] warning: unused import: `chunk::*` [INFO] [stdout] --> src/main.rs:6:5 [INFO] [stdout] | [INFO] [stdout] 6 | use chunk::*; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::result` [INFO] [stdout] --> src/chunk.rs:149:9 [INFO] [stdout] | [INFO] [stdout] 149 | use std::result; [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `escaped`, `line_ending`, `take_until` [INFO] [stdout] --> src/scanner.rs:3:23 [INFO] [stdout] | [INFO] [stdout] 3 | bytes::complete::{escaped, tag, take, take_until}, [INFO] [stdout] | ^^^^^^^ ^^^^^^^^^^ [INFO] [stdout] 4 | character::complete::{line_ending, space0}, [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `vm` [INFO] [stdout] --> src/vm.rs:122:17 [INFO] [stdout] | [INFO] [stdout] 122 | let mut vm = VM::new(); [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_vm` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/vm.rs:122:13 [INFO] [stdout] | [INFO] [stdout] 122 | let mut vm = VM::new(); [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: variants `Add`, `Substract`, `Multiply`, and `Divide` are never constructed [INFO] [stdout] --> src/chunk.rs:9:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum OpCode { [INFO] [stdout] | ------ variants in this enum [INFO] [stdout] ... [INFO] [stdout] 9 | Add, [INFO] [stdout] | ^^^ [INFO] [stdout] 10 | Substract, [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] 11 | Multiply, [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] 12 | Divide, [INFO] [stdout] | ^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `OpCode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: field `line` is never read [INFO] [stdout] --> src/chunk.rs:22:5 [INFO] [stdout] | [INFO] [stdout] 20 | pub struct ChunkEntry { [INFO] [stdout] | ---------- field in this struct [INFO] [stdout] 21 | code: OpCode, [INFO] [stdout] 22 | line: usize, [INFO] [stdout] | ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `InterpretCompilerError` is never constructed [INFO] [stdout] --> src/vm.rs:7:5 [INFO] [stdout] | [INFO] [stdout] 5 | pub enum InterpretResult { [INFO] [stdout] | --------------- variant in this enum [INFO] [stdout] 6 | InterpretOK, [INFO] [stdout] 7 | InterpretCompilerError, [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] [INFO] [stdout] [INFO] [stdout] warning: 8 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.05s [INFO] running `Command { std: "docker" "inspect" "9c1c87571163accecf1979adcac745d735cac7276254ae02aaf19000a2a701e6", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "9c1c87571163accecf1979adcac745d735cac7276254ae02aaf19000a2a701e6", kill_on_drop: false }` [INFO] [stdout] 9c1c87571163accecf1979adcac745d735cac7276254ae02aaf19000a2a701e6