[INFO] cloning repository https://github.com/knightvertrag/lockhart
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/knightvertrag/lockhart" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightvertrag%2Flockhart", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightvertrag%2Flockhart'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 11b1ba6f2138f4ee3e9675d664576547bb5dff3c
[INFO] testing knightvertrag/lockhart against 1.95.0 for beta-1.96-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fknightvertrag%2Flockhart" "/workspace/builds/worker-7-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/knightvertrag/lockhart
[INFO] finished tweaking git repo https://github.com/knightvertrag/lockhart
[INFO] tweaked toml for git repo https://github.com/knightvertrag/lockhart written to /workspace/builds/worker-7-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/knightvertrag/lockhart on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/knightvertrag/lockhart 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" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded fd-lock v3.0.5
[INFO] [stderr]   Downloaded clipboard-win v4.4.1
[INFO] [stderr]   Downloaded str-buf v1.0.5
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[INFO] [stderr]   Downloaded io-lifetimes v0.6.1
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[INFO] [stderr]   Downloaded windows-sys v0.30.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ff114a7d427af8ede128086fe8fe36a4682dcbeff9548cbb0210e909ef1602c7
[INFO] running `Command { std: "docker" "start" "-a" "ff114a7d427af8ede128086fe8fe36a4682dcbeff9548cbb0210e909ef1602c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ff114a7d427af8ede128086fe8fe36a4682dcbeff9548cbb0210e909ef1602c7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ff114a7d427af8ede128086fe8fe36a4682dcbeff9548cbb0210e909ef1602c7", kill_on_drop: false }`
[INFO] [stdout] ff114a7d427af8ede128086fe8fe36a4682dcbeff9548cbb0210e909ef1602c7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf332a7e9f2123b59f23a0223d557306b6285aaeedbb10a055e82dbe64905a7
[INFO] running `Command { std: "docker" "start" "-a" "3bf332a7e9f2123b59f23a0223d557306b6285aaeedbb10a055e82dbe64905a7", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.124
[INFO] [stderr]    Compiling io-lifetimes v0.6.1
[INFO] [stderr]    Compiling ppv-lite86 v0.2.16
[INFO] [stderr]    Compiling siphasher v0.3.10
[INFO] [stderr]    Compiling rustix v0.34.6
[INFO] [stderr]    Compiling syn v1.0.91
[INFO] [stderr]    Compiling memchr v2.4.1
[INFO] [stderr]    Compiling log v0.4.16
[INFO] [stderr]    Compiling linux-raw-sys v0.0.46
[INFO] [stderr]    Compiling nibble_vec v0.1.0
[INFO] [stderr]    Compiling endian-type v0.1.2
[INFO] [stderr]    Compiling unicode-width v0.1.9
[INFO] [stderr]    Compiling proc-macro2 v1.0.37
[INFO] [stderr]    Compiling unicode-segmentation v1.9.0
[INFO] [stderr]    Compiling utf8parse v0.2.0
[INFO] [stderr]    Compiling radix_trie v0.2.1
[INFO] [stderr]    Compiling phf_shared v0.10.0
[INFO] [stderr]    Compiling quote v1.0.18
[INFO] [stderr]    Compiling getrandom v0.2.6
[INFO] [stderr]    Compiling rand_core v0.6.3
[INFO] [stderr]    Compiling rand_chacha v0.3.1
[INFO] [stderr]    Compiling dirs-sys-next v0.1.2
[INFO] [stderr]    Compiling nix v0.23.1
[INFO] [stderr]    Compiling rand v0.8.5
[INFO] [stderr]    Compiling dirs-next v2.0.0
[INFO] [stderr]    Compiling phf_generator v0.10.0
[INFO] [stderr]    Compiling fd-lock v3.0.5
[INFO] [stderr]    Compiling phf_macros v0.10.0
[INFO] [stderr]    Compiling phf v0.10.1
[INFO] [stderr]    Compiling rustyline v9.1.2
[INFO] [stderr]    Compiling lockhart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/chunk/disassemble.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc};
[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 import: `super::Lineno`
[INFO] [stdout]  --> src/chunk/disassemble.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::Lineno;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `disassemble::disassemble_chunk`
[INFO] [stdout]  --> src/compiler.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_chunk, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `TokenType` and `Token`
[INFO] [stdout]  --> src/lexer/tests.rs:1:20
[INFO] [stdout]   |
[INFO] [stdout] 1 | use crate::token::{Token, TokenType};
[INFO] [stdout]   |                    ^^^^^  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `disassemble::disassemble_instruction`
[INFO] [stdout]  --> src/vm.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_instruction, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:64
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_MOD` is never constructed
[INFO] [stdout]   --> src/bytecode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Opcode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     OP_MOD,
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]  --> src/chunk.rs:5:19
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub struct Lineno(pub usize);
[INFO] [stdout]   |            ------ ^^^^^^^^^
[INFO] [stdout]   |            |
[INFO] [stdout]   |            field in this struct
[INFO] [stdout]   |
[INFO] [stdout]   = help: consider removing this field
[INFO] [stdout]   = note: `Lineno` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]  --> src/chunk/disassemble.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PrecPrimary` is never constructed
[INFO] [stdout]   --> src/compiler/precedence.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     PrecPrimary,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLASS` is never constructed
[INFO] [stdout]   --> src/object.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ObjectType {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     CLASS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectType` 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 `add_all` is never used
[INFO] [stdout]    --> src/table.rs:142:12
[INFO] [stdout]     |
[INFO] [stdout]  19 | impl Table {
[INFO] [stdout]     | ---------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 142 |     pub fn add_all(&mut self, from: &Table) {
[INFO] [stdout]     |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `0` is never read
[INFO] [stdout]   --> src/vm.rs:40:27
[INFO] [stdout]    |
[INFO] [stdout] 40 |     InterpretRuntimeError(String),
[INFO] [stdout]    |     --------------------- ^^^^^^
[INFO] [stdout]    |     |
[INFO] [stdout]    |     field in this variant
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` 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] 40 -     InterpretRuntimeError(String),
[INFO] [stdout] 40 +     InterpretRuntimeError(()),
[INFO] [stdout]    |
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretCompileError` is never constructed
[INFO] [stdout]   --> src/vm.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 39 |     InterpretCompileError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` 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 `offset` is never used
[INFO] [stdout]   --> src/vm.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl CallFrame {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]   --> src/vm.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn alloc<T: GcManaged>(&mut self, object: T) -> GcRef<T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run` is never used
[INFO] [stdout]  --> src/vm/tests.rs:5:4
[INFO] [stdout]   |
[INFO] [stdout] 5 | fn run(source: &str) -> Vm {
[INFO] [stdout]   |    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `run_err` is never used
[INFO] [stdout]   --> src/vm/tests.rs:12:4
[INFO] [stdout]    |
[INFO] [stdout] 12 | fn run_err(source: &str) -> InterpretError {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `global` is never used
[INFO] [stdout]   --> src/vm/tests.rs:18:4
[INFO] [stdout]    |
[INFO] [stdout] 18 | fn global(vm: &mut Vm, name: &str) -> Value {
[INFO] [stdout]    |    ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 14.24s
[INFO] running `Command { std: "docker" "inspect" "3bf332a7e9f2123b59f23a0223d557306b6285aaeedbb10a055e82dbe64905a7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf332a7e9f2123b59f23a0223d557306b6285aaeedbb10a055e82dbe64905a7", kill_on_drop: false }`
[INFO] [stdout] 3bf332a7e9f2123b59f23a0223d557306b6285aaeedbb10a055e82dbe64905a7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cebcf878d6eadf9d13866c71fee2980d9aae6c42f3223470ff4da2718e32fece
[INFO] running `Command { std: "docker" "start" "-a" "cebcf878d6eadf9d13866c71fee2980d9aae6c42f3223470ff4da2718e32fece", kill_on_drop: false }`
[INFO] [stderr]    Compiling lockhart v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/chunk/disassemble.rs:1:11
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::{cell::RefCell, rc::Rc};
[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 import: `super::Lineno`
[INFO] [stdout]  --> src/chunk/disassemble.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | use super::Lineno;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `disassemble::disassemble_chunk`
[INFO] [stdout]  --> src/compiler.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_chunk, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `disassemble::disassemble_instruction`
[INFO] [stdout]  --> src/vm.rs:5:13
[INFO] [stdout]   |
[INFO] [stdout] 5 |     chunk::{disassemble::disassemble_instruction, Chunk, Lineno},
[INFO] [stdout]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:64
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `OP_MOD` is never constructed
[INFO] [stdout]   --> src/bytecode.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Opcode {
[INFO] [stdout]    |          ------ variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     OP_MOD,
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_chunk` is never used
[INFO] [stdout]  --> src/chunk/disassemble.rs:7:8
[INFO] [stdout]   |
[INFO] [stdout] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stdout]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `disassemble_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:14:8
[INFO] [stdout]    |
[INFO] [stdout] 14 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `constant_instruction` is never used
[INFO] [stdout]   --> src/chunk/disassemble.rs:37:4
[INFO] [stdout]    |
[INFO] [stdout] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `PrecPrimary` is never constructed
[INFO] [stdout]   --> src/compiler/precedence.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  2 | pub enum Precedence {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     PrecPrimary,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `CLASS` is never constructed
[INFO] [stdout]   --> src/object.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub enum ObjectType {
[INFO] [stdout]    |          ---------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 12 |     CLASS,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `ObjectType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretCompileError` is never constructed
[INFO] [stdout]   --> src/vm.rs:39:5
[INFO] [stdout]    |
[INFO] [stdout] 38 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 39 |     InterpretCompileError(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `InterpretError` 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 `offset` is never used
[INFO] [stdout]   --> src/vm.rs:59:12
[INFO] [stdout]    |
[INFO] [stdout] 50 | impl CallFrame {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 59 |     pub fn offset(&self) -> usize {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `alloc` is never used
[INFO] [stdout]   --> src/vm.rs:97:8
[INFO] [stdout]    |
[INFO] [stdout] 67 | impl Vm {
[INFO] [stdout]    | ------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 97 |     fn alloc<T: GcManaged>(&mut self, object: T) -> GcRef<T> {
[INFO] [stdout]    |        ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.85s
[INFO] running `Command { std: "docker" "inspect" "cebcf878d6eadf9d13866c71fee2980d9aae6c42f3223470ff4da2718e32fece", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cebcf878d6eadf9d13866c71fee2980d9aae6c42f3223470ff4da2718e32fece", kill_on_drop: false }`
[INFO] [stdout] cebcf878d6eadf9d13866c71fee2980d9aae6c42f3223470ff4da2718e32fece
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 69964bf8bac0379b94d2f207874aea70247e345f41003e060a2fbda199039281
[INFO] running `Command { std: "docker" "start" "-a" "69964bf8bac0379b94d2f207874aea70247e345f41003e060a2fbda199039281", kill_on_drop: false }`
[INFO] [stderr] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stderr]  --> src/chunk/disassemble.rs:1:11
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::{cell::RefCell, rc::Rc};
[INFO] [stderr]   |           ^^^^^^^^^^^^^  ^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `super::Lineno`
[INFO] [stderr]  --> src/chunk/disassemble.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 | use super::Lineno;
[INFO] [stderr]   |     ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `disassemble::disassemble_chunk`
[INFO] [stderr]  --> src/compiler.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     chunk::{disassemble::disassemble_chunk, Chunk, Lineno},
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused imports: `Chunk` and `disassemble::disassemble_instruction`
[INFO] [stderr]  --> src/vm.rs:5:13
[INFO] [stderr]   |
[INFO] [stderr] 5 |     chunk::{disassemble::disassemble_instruction, Chunk, Lineno},
[INFO] [stderr]   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `offset`
[INFO] [stderr]   --> src/chunk/disassemble.rs:37:64
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stderr]    |                                                                ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `OP_MOD` is never constructed
[INFO] [stderr]   --> src/bytecode.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  4 | pub enum Opcode {
[INFO] [stderr]    |          ------ variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 13 |     OP_MOD,
[INFO] [stderr]    |     ^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Opcode` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `disassemble_chunk` is never used
[INFO] [stderr]  --> src/chunk/disassemble.rs:7:8
[INFO] [stderr]   |
[INFO] [stderr] 7 | pub fn disassemble_chunk(chunk: &Chunk, name: &str) {
[INFO] [stderr]   |        ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `disassemble_instruction` is never used
[INFO] [stderr]   --> src/chunk/disassemble.rs:14:8
[INFO] [stderr]    |
[INFO] [stderr] 14 | pub fn disassemble_instruction(chunk: &Chunk, offset: usize) {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `constant_instruction` is never used
[INFO] [stderr]   --> src/chunk/disassemble.rs:37:4
[INFO] [stderr]    |
[INFO] [stderr] 37 | fn constant_instruction(name: &str, chunk: &Chunk, idx: usize, offset: usize) {
[INFO] [stderr]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: variant `PrecPrimary` is never constructed
[INFO] [stderr]   --> src/compiler/precedence.rs:13:5
[INFO] [stderr]    |
[INFO] [stderr]  2 | pub enum Precedence {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 13 |     PrecPrimary,
[INFO] [stderr]    |     ^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `Precedence` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `CLASS` is never constructed
[INFO] [stderr]   --> src/object.rs:12:5
[INFO] [stderr]    |
[INFO] [stderr]  9 | pub enum ObjectType {
[INFO] [stderr]    |          ---------- variant in this enum
[INFO] [stderr] ...
[INFO] [stderr] 12 |     CLASS,
[INFO] [stderr]    |     ^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `ObjectType` has a derived impl for the trait `Clone`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: variant `InterpretCompileError` is never constructed
[INFO] [stderr]   --> src/vm.rs:39:5
[INFO] [stderr]    |
[INFO] [stderr] 38 | pub enum InterpretError {
[INFO] [stderr]    |          -------------- variant in this enum
[INFO] [stderr] 39 |     InterpretCompileError(String),
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `InterpretError` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stderr] 
[INFO] [stderr] warning: method `offset` is never used
[INFO] [stderr]   --> src/vm.rs:59:12
[INFO] [stderr]    |
[INFO] [stderr] 50 | impl CallFrame {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 59 |     pub fn offset(&self) -> usize {
[INFO] [stderr]    |            ^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `alloc` is never used
[INFO] [stderr]   --> src/vm.rs:97:8
[INFO] [stderr]    |
[INFO] [stderr] 67 | impl Vm {
[INFO] [stderr]    | ------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 97 |     fn alloc<T: GcManaged>(&mut self, object: T) -> GcRef<T> {
[INFO] [stderr]    |        ^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `lockhart` (bin "lockhart" test) generated 14 warnings (run `cargo fix --bin "lockhart" -p lockhart --tests` to apply 5 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.09s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/lockhart-ba905d2e387ea045)
[INFO] [stdout] 
[INFO] [stdout] running 23 tests
[INFO] [stdout] test chunk::tests::add_constant_returns_index_and_stores_value ... ok
[INFO] [stdout] test chunk::tests::write_chunk_appends_opcode_and_lineno ... ok
[INFO] [stdout] test lexer::tests::test_error ... ok
[INFO] [stdout] test lexer::tests::test_token_next ... ok
[INFO] [stdout] test table::tests::iter_and_add_all_copy_entries ... ok
[INFO] [stdout] test table::tests::set_get_and_overwrite ... ok
[INFO] [stdout] test value::tests::getters_return_typed_values ... ok
[INFO] [stdout] test table::tests::delete_entry_removes_key ... ok
[INFO] [stdout] test value::tests::values_equal_checks_type_and_contents ... ok
[INFO] [stdout] test vm::tests::adding_invalid_operands_returns_runtime_error ... ok
[INFO] [stdout] test value::tests::falsey_and_falsify_behavior ... ok
[INFO] [stdout] test vm::tests::block_assignment_updates_global ... ok
[INFO] [stdout] test vm::tests::arithmetic_and_precedence ... ok
[INFO] [stdout] test table::tests::find_string_returns_interned_match ... ok
[INFO] [stdout] test vm::tests::boolean_logic_and_not ... ok
[INFO] [stdout] test vm::tests::undefined_variable_returns_runtime_error ... ok
[INFO] [stdout] test vm::tests::string_concat ... ok
[INFO] [stdout] test lexer::tests::test_comments ... ok
[INFO] [stdout] test vm::tests::for_loop_executes ... ok
[INFO] [stdout] test vm::tests::function_call_and_return_value ... ok
[INFO] [stdout] test vm::tests::wrong_arity_returns_runtime_error ... ok
[INFO] [stdout] test vm::tests::while_loop_executes ... ok
[INFO] [stdout] test vm::tests::if_else_branching ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 23 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.08s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "69964bf8bac0379b94d2f207874aea70247e345f41003e060a2fbda199039281", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69964bf8bac0379b94d2f207874aea70247e345f41003e060a2fbda199039281", kill_on_drop: false }`
[INFO] [stdout] 69964bf8bac0379b94d2f207874aea70247e345f41003e060a2fbda199039281