[INFO] cloning repository https://github.com/bbawj/rclox
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bbawj/rclox" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbawj%2Frclox", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbawj%2Frclox'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9aa049c6df6e87fee6a1a52bf92fc55789b69275
[INFO] checking bbawj/rclox against master#22572d0994593197593e2a1b7b18d720a9a349a7 for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbawj%2Frclox" "/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/bbawj/rclox on toolchain 22572d0994593197593e2a1b7b18d720a9a349a7
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbawj/rclox
[INFO] finished tweaking git repo https://github.com/bbawj/rclox
[INFO] tweaked toml for git repo https://github.com/bbawj/rclox written to /workspace/builds/worker-4-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/bbawj/rclox 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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] db41a8b378c8a0b7c73f1b727e341bc84f306e1151b5a36646a616435b20a1f3
[INFO] running `Command { std: "docker" "start" "-a" "db41a8b378c8a0b7c73f1b727e341bc84f306e1151b5a36646a616435b20a1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "db41a8b378c8a0b7c73f1b727e341bc84f306e1151b5a36646a616435b20a1f3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "db41a8b378c8a0b7c73f1b727e341bc84f306e1151b5a36646a616435b20a1f3", kill_on_drop: false }`
[INFO] [stdout] db41a8b378c8a0b7c73f1b727e341bc84f306e1151b5a36646a616435b20a1f3
[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" "+22572d0994593197593e2a1b7b18d720a9a349a7" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] cb3117baa9af4f8fd3a8c476da08e49a83a4ef3f754842c18ab9b0acd0109cbf
[INFO] running `Command { std: "docker" "start" "-a" "cb3117baa9af4f8fd3a8c476da08e49a83a4ef3f754842c18ab9b0acd0109cbf", kill_on_drop: false }`
[INFO] [stderr]     Checking rclox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `as_bool`, `as_number`, `bool_val`, and `vm::Vm`
[INFO] [stdout]  --> src/debug.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     value::{as_obj, as_string, as_function, bool_val, as_bool, as_number},
[INFO] [stdout]   |                                             ^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     vm::Vm,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/value.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{rc::Rc, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `rc::Rc`, and `self`
[INFO] [stdout]  --> src/vm.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     time::{self, SystemTime}, rc::Rc, cell::RefCell,
[INFO] [stdout]   |            ^^^^               ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `ObjFunction`
[INFO] [stdout]  --> src/vm.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chunk::{Chunk, OpCode},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 8 |     compile::{Compiler, INTERNER},
[INFO] [stdout] 9 |     object::{Obj, ObjFunction, allocate_closure, ObjClosure, allocate_upvalue, ObjUpvalue},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `as_bool`, `as_number`, `bool_val`, and `vm::Vm`
[INFO] [stdout]  --> src/debug.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     value::{as_obj, as_string, as_function, bool_val, as_bool, as_number},
[INFO] [stdout]   |                                             ^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     vm::Vm,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/value.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{rc::Rc, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `rc::Rc`, and `self`
[INFO] [stdout]  --> src/vm.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     time::{self, SystemTime}, rc::Rc, cell::RefCell,
[INFO] [stdout]   |            ^^^^               ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `ObjFunction`
[INFO] [stdout]  --> src/vm.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chunk::{Chunk, OpCode},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 8 |     compile::{Compiler, INTERNER},
[INFO] [stdout] 9 |     object::{Obj, ObjFunction, allocate_closure, ObjClosure, allocate_upvalue, ObjUpvalue},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:874:26
[INFO] [stdout]     |
[INFO] [stdout] 874 |     fn number(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:887:26
[INFO] [stdout]     |
[INFO] [stdout] 887 |     fn string(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:936:27
[INFO] [stdout]     |
[INFO] [stdout] 936 |     fn literal(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:947:28
[INFO] [stdout]     |
[INFO] [stdout] 947 |     fn grouping(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:952:25
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn unary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:965:26
[INFO] [stdout]     |
[INFO] [stdout] 965 |     fn binary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/debug.rs:112:39
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn simple_instruction(name: &str, offset: usize) {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/vm.rs:189:40
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 OpCode::OpConstantLong(c) => {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/vm.rs:556:17
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn clock_native(args: Vec<Option<Value>>) -> Value {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ObjUpvalue` is never constructed
[INFO] [stdout]   --> src/object.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Obj {
[INFO] [stdout]    |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     ObjUpvalue(ObjUpvalue)
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Obj` 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: function `allocate_native` is never used
[INFO] [stdout]   --> src/object.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn allocate_native(function: fn(args: Vec<Option<Value>>) -> Value) -> Box<Obj> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_obj` is never used
[INFO] [stdout]    --> src/value.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn is_obj(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_native` is never used
[INFO] [stdout]    --> src/value.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn is_native(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretParserError` is never constructed
[INFO] [stdout]   --> src/vm.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 51 |     InterpretParserError,
[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: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:874:26
[INFO] [stdout]     |
[INFO] [stdout] 874 |     fn number(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:887:26
[INFO] [stdout]     |
[INFO] [stdout] 887 |     fn string(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:936:27
[INFO] [stdout]     |
[INFO] [stdout] 936 |     fn literal(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                           ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:947:28
[INFO] [stdout]     |
[INFO] [stdout] 947 |     fn grouping(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:952:25
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn unary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:965:26
[INFO] [stdout]     |
[INFO] [stdout] 965 |     fn binary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/debug.rs:112:39
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn simple_instruction(name: &str, offset: usize) {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/vm.rs:189:40
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 OpCode::OpConstantLong(c) => {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/vm.rs:556:17
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn clock_native(args: Vec<Option<Value>>) -> Value {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ObjUpvalue` is never constructed
[INFO] [stdout]   --> src/object.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Obj {
[INFO] [stdout]    |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     ObjUpvalue(ObjUpvalue)
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Obj` 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: function `allocate_native` is never used
[INFO] [stdout]   --> src/object.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn allocate_native(function: fn(args: Vec<Option<Value>>) -> Value) -> Box<Obj> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_obj` is never used
[INFO] [stdout]    --> src/value.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn is_obj(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_native` is never used
[INFO] [stdout]    --> src/value.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn is_native(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretParserError` is never constructed
[INFO] [stdout]   --> src/vm.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 51 |     InterpretParserError,
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.60s
[INFO] running `Command { std: "docker" "inspect" "cb3117baa9af4f8fd3a8c476da08e49a83a4ef3f754842c18ab9b0acd0109cbf", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cb3117baa9af4f8fd3a8c476da08e49a83a4ef3f754842c18ab9b0acd0109cbf", kill_on_drop: false }`
[INFO] [stdout] cb3117baa9af4f8fd3a8c476da08e49a83a4ef3f754842c18ab9b0acd0109cbf
[INFO] checking bbawj/rclox against try#6289438dbad80b1a0029c66dd3f6abf57c2c51be for pr-126452-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbbawj%2Frclox" "/workspace/builds/worker-4-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bbawj/rclox on toolchain 6289438dbad80b1a0029c66dd3f6abf57c2c51be
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bbawj/rclox
[INFO] finished tweaking git repo https://github.com/bbawj/rclox
[INFO] tweaked toml for git repo https://github.com/bbawj/rclox written to /workspace/builds/worker-4-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/bbawj/rclox 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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:923055f121b5182466d55868a8b05e67af8ba4a3a3f6bad814e953ca3cd3ac2a" "/opt/rustwide/cargo-home/bin/cargo" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 0465b1b574b5aabc79566c1f701e6e1cbfc925654f501fff66d97d6ba88e2ad4
[INFO] running `Command { std: "docker" "start" "-a" "0465b1b574b5aabc79566c1f701e6e1cbfc925654f501fff66d97d6ba88e2ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "0465b1b574b5aabc79566c1f701e6e1cbfc925654f501fff66d97d6ba88e2ad4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0465b1b574b5aabc79566c1f701e6e1cbfc925654f501fff66d97d6ba88e2ad4", kill_on_drop: false }`
[INFO] [stdout] 0465b1b574b5aabc79566c1f701e6e1cbfc925654f501fff66d97d6ba88e2ad4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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" "+6289438dbad80b1a0029c66dd3f6abf57c2c51be" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 62da0fe57ba238f5dfe2c373bad5ef8218b4fc76b8ff89429025598e6b57ab0f
[INFO] running `Command { std: "docker" "start" "-a" "62da0fe57ba238f5dfe2c373bad5ef8218b4fc76b8ff89429025598e6b57ab0f", kill_on_drop: false }`
[INFO] [stderr]     Checking rclox v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused imports: `as_bool`, `as_number`, `bool_val`, and `vm::Vm`
[INFO] [stdout]  --> src/debug.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     value::{as_obj, as_string, as_function, bool_val, as_bool, as_number},
[INFO] [stdout]   |                                             ^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     vm::Vm,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/value.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{rc::Rc, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `rc::Rc`, and `self`
[INFO] [stdout]  --> src/vm.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     time::{self, SystemTime}, rc::Rc, cell::RefCell,
[INFO] [stdout]   |            ^^^^               ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `ObjFunction`
[INFO] [stdout]  --> src/vm.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chunk::{Chunk, OpCode},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 8 |     compile::{Compiler, INTERNER},
[INFO] [stdout] 9 |     object::{Obj, ObjFunction, allocate_closure, ObjClosure, allocate_upvalue, ObjUpvalue},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `as_bool`, `as_number`, `bool_val`, and `vm::Vm`
[INFO] [stdout]  --> src/debug.rs:4:45
[INFO] [stdout]   |
[INFO] [stdout] 4 |     value::{as_obj, as_string, as_function, bool_val, as_bool, as_number},
[INFO] [stdout]   |                                             ^^^^^^^^  ^^^^^^^  ^^^^^^^^^
[INFO] [stdout] 5 |     vm::Vm,
[INFO] [stdout]   |     ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell` and `rc::Rc`
[INFO] [stdout]  --> src/value.rs:3:11
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::{rc::Rc, cell::RefCell};
[INFO] [stdout]   |           ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `cell::RefCell`, `rc::Rc`, and `self`
[INFO] [stdout]  --> src/vm.rs:3:12
[INFO] [stdout]   |
[INFO] [stdout] 3 |     time::{self, SystemTime}, rc::Rc, cell::RefCell,
[INFO] [stdout]   |            ^^^^               ^^^^^^  ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `ObjFunction`
[INFO] [stdout]  --> src/vm.rs:7:13
[INFO] [stdout]   |
[INFO] [stdout] 7 |     chunk::{Chunk, OpCode},
[INFO] [stdout]   |             ^^^^^
[INFO] [stdout] 8 |     compile::{Compiler, INTERNER},
[INFO] [stdout] 9 |     object::{Obj, ObjFunction, allocate_closure, ObjClosure, allocate_upvalue, ObjUpvalue},
[INFO] [stdout]   |                   ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:874:26
[INFO] [stdout]     |
[INFO] [stdout] 874 |     fn number(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:887:26
[INFO] [stdout]     |
[INFO] [stdout] 887 |     fn string(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:936:27
[INFO] [stdout]     |
[INFO] [stdout] 936 |     fn literal(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:947:28
[INFO] [stdout]     |
[INFO] [stdout] 947 |     fn grouping(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:952:25
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn unary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:965:26
[INFO] [stdout]     |
[INFO] [stdout] 965 |     fn binary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/debug.rs:112:39
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn simple_instruction(name: &str, offset: usize) {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:874:26
[INFO] [stdout]     |
[INFO] [stdout] 874 |     fn number(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compile.rs:887:26
[INFO] [stdout]     |
[INFO] [stdout] 887 |     fn string(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:936:27
[INFO] [stdout]     |
[INFO] [stdout] 936 |     fn literal(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:947:28
[INFO] [stdout]     |
[INFO] [stdout] 947 |     fn grouping(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:952:25
[INFO] [stdout]     |
[INFO] [stdout] 952 |     fn unary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[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/compile.rs:965:26
[INFO] [stdout]     |
[INFO] [stdout] 965 |     fn binary(&mut self, can_assign: bool) -> Result<(), CompileError> {
[INFO] [stdout]     |                          ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `offset`
[INFO] [stdout]    --> src/debug.rs:112:39
[INFO] [stdout]     |
[INFO] [stdout] 112 | pub fn simple_instruction(name: &str, offset: usize) {
[INFO] [stdout]     |                                       ^^^^^^ help: if this is intentional, prefix it with an underscore: `_offset`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/vm.rs:189:40
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 OpCode::OpConstantLong(c) => {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `c`
[INFO] [stdout]    --> src/vm.rs:189:40
[INFO] [stdout]     |
[INFO] [stdout] 189 |                 OpCode::OpConstantLong(c) => {
[INFO] [stdout]     |                                        ^ help: if this is intentional, prefix it with an underscore: `_c`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/vm.rs:556:17
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn clock_native(args: Vec<Option<Value>>) -> Value {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `args`
[INFO] [stdout]    --> src/vm.rs:556:17
[INFO] [stdout]     |
[INFO] [stdout] 556 | fn clock_native(args: Vec<Option<Value>>) -> Value {
[INFO] [stdout]     |                 ^^^^ help: if this is intentional, prefix it with an underscore: `_args`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `ObjUpvalue` is never constructed
[INFO] [stdout]   --> src/object.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Obj {
[INFO] [stdout]    |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     ObjUpvalue(ObjUpvalue)
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Obj` 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: function `allocate_native` is never used
[INFO] [stdout]   --> src/object.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn allocate_native(function: fn(args: Vec<Option<Value>>) -> Value) -> Box<Obj> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_obj` is never used
[INFO] [stdout]    --> src/value.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn is_obj(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_native` is never used
[INFO] [stdout]    --> src/value.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn is_native(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretParserError` is never constructed
[INFO] [stdout]   --> src/vm.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 51 |     InterpretParserError,
[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: variant `ObjUpvalue` is never constructed
[INFO] [stdout]   --> src/object.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout] 6  | pub enum Obj {
[INFO] [stdout]    |          --- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 11 |     ObjUpvalue(ObjUpvalue)
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Obj` 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: function `allocate_native` is never used
[INFO] [stdout]   --> src/object.rs:88:8
[INFO] [stdout]    |
[INFO] [stdout] 88 | pub fn allocate_native(function: fn(args: Vec<Option<Value>>) -> Value) -> Box<Obj> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_obj` is never used
[INFO] [stdout]    --> src/value.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 | pub fn is_obj(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `is_native` is never used
[INFO] [stdout]    --> src/value.rs:127:8
[INFO] [stdout]     |
[INFO] [stdout] 127 | pub fn is_native(value: &Value) -> bool {
[INFO] [stdout]     |        ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `InterpretParserError` is never constructed
[INFO] [stdout]   --> src/vm.rs:51:5
[INFO] [stdout]    |
[INFO] [stdout] 50 | pub enum InterpretError {
[INFO] [stdout]    |          -------------- variant in this enum
[INFO] [stdout] 51 |     InterpretParserError,
[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: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 18 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.64s
[INFO] running `Command { std: "docker" "inspect" "62da0fe57ba238f5dfe2c373bad5ef8218b4fc76b8ff89429025598e6b57ab0f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "62da0fe57ba238f5dfe2c373bad5ef8218b4fc76b8ff89429025598e6b57ab0f", kill_on_drop: false }`
[INFO] [stdout] 62da0fe57ba238f5dfe2c373bad5ef8218b4fc76b8ff89429025598e6b57ab0f