[INFO] updating cached repository https://github.com/sombrastudios/js [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] d6e2fa1fbee939c6e1b34c79f8e0971f9d03762e [INFO] checking sombrastudios/js against master#2748a9fd93dd1a00a4521f4f16de5befbf77f6cd for pr-62262-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsombrastudios%2Fjs" "/workspace/builds/worker-12/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sombrastudios/js on toolchain 2748a9fd93dd1a00a4521f4f16de5befbf77f6cd [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/sombrastudios/js [INFO] finished tweaking git repo https://github.com/sombrastudios/js [INFO] tweaked toml for git repo https://github.com/sombrastudios/js written to /workspace/builds/worker-12/source/Cargo.toml [INFO] crate git repo https://github.com/sombrastudios/js already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+2748a9fd93dd1a00a4521f4f16de5befbf77f6cd" "check" "--frozen" "--all" "--all-targets"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 033a3c2b09333e3c6dcb4fd53ced3b329e6ffb8593148c9a75920d4b06d3ba72 [INFO] running `"docker" "start" "-a" "033a3c2b09333e3c6dcb4fd53ced3b329e6ffb8593148c9a75920d4b06d3ba72"` [INFO] [stderr] Compiling ryu v0.2.8 [INFO] [stderr] Compiling memchr v2.2.0 [INFO] [stderr] Checking cfg-if v0.1.9 [INFO] [stderr] Checking static_assertions v0.2.5 [INFO] [stderr] Checking gc v0.3.3 [INFO] [stderr] Compiling nom v5.0.0 [INFO] [stderr] Checking stackvector v1.0.2 [INFO] [stderr] Compiling synstructure v0.6.1 [INFO] [stderr] Checking lexical-core v0.4.0 [INFO] [stderr] Compiling gc_derive v0.3.2 [INFO] [stderr] Checking js v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unused import: `super::*` [INFO] [stderr] --> src/parse/for_loop.rs:86:9 [INFO] [stderr] | [INFO] [stderr] 86 | use super::*; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused imports: `many0`, `none_of` [INFO] [stderr] --> src/parse/obj.rs:13:33 [INFO] [stderr] | [INFO] [stderr] 13 | character::complete::{char, none_of}, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 14 | combinator::map, [INFO] [stderr] 15 | multi::{many0, separated_list}, [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `StackAddress` [INFO] [stderr] --> src/vm/machine.rs:2:39 [INFO] [stderr] | [INFO] [stderr] 2 | instruction::{InstructionAddress, StackAddress}, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Add`, `Sub` [INFO] [stderr] --> src/vm/object.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ops::{Add, Sub}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `many0`, `none_of` [INFO] [stderr] --> src/parse/obj.rs:13:33 [INFO] [stderr] | [INFO] [stderr] 13 | character::complete::{char, none_of}, [INFO] [stderr] | ^^^^^^^ [INFO] [stderr] 14 | combinator::map, [INFO] [stderr] 15 | multi::{many0, separated_list}, [INFO] [stderr] | ^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `StackAddress` [INFO] [stderr] --> src/vm/machine.rs:2:39 [INFO] [stderr] | [INFO] [stderr] 2 | instruction::{InstructionAddress, StackAddress}, [INFO] [stderr] | ^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Add`, `Sub` [INFO] [stderr] --> src/vm/object.rs:3:16 [INFO] [stderr] | [INFO] [stderr] 3 | use std::ops::{Add, Sub}; [INFO] [stderr] | ^^^ ^^^ [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/vm/machine.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let right = self.stack.pop(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_right` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/vm/machine.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let left = self.stack.pop(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_left` [INFO] [stderr] [INFO] [stderr] warning: private type `vm::object::Gc>` in public interface (error E0446) [INFO] [stderr] --> src/vm/object.rs:16:11 [INFO] [stderr] | [INFO] [stderr] 16 | Array(Gc>), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ElemOfIter` [INFO] [stderr] --> src/parse/for_loop.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | / ElemOfIter { [INFO] [stderr] 52 | | element: String, [INFO] [stderr] 53 | | iter: String, [INFO] [stderr] 54 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KeyInIter` [INFO] [stderr] --> src/parse/for_loop.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | / KeyInIter { [INFO] [stderr] 57 | | key: String, [INFO] [stderr] 58 | | iter: String, [INFO] [stderr] 59 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `StackAddress` [INFO] [stderr] --> src/vm/instruction.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub type StackAddress = usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Instruction` [INFO] [stderr] --> src/vm/instruction.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub enum Instruction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `VirtualMachine` [INFO] [stderr] --> src/vm/machine.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct VirtualMachine { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `INITIAL_STACK_SIZE` [INFO] [stderr] --> src/vm/machine.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const INITIAL_STACK_SIZE: usize = 256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/vm/machine.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(instructions: Vec) -> VirtualMachine { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `op_add` [INFO] [stderr] --> src/vm/machine.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | fn op_add(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Boolean` [INFO] [stderr] --> src/vm/object.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Boolean(bool), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/vm/object.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Number(f64), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `String` [INFO] [stderr] --> src/vm/object.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | String(Rc), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Array` [INFO] [stderr] --> src/vm/object.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Array(Gc>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Map` [INFO] [stderr] --> src/vm/object.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Map(HashMap, Object>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Closure` [INFO] [stderr] --> src/vm/object.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | / Closure { [INFO] [stderr] 19 | | enviroment: Rc>, [INFO] [stderr] 20 | | function: InstructionAddress, [INFO] [stderr] 21 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_string` [INFO] [stderr] --> src/vm/object.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | fn to_string(&self) -> Rc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `currentFp` should have a snake case name [INFO] [stderr] --> src/vm/machine.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | currentFp: InstructionAddress, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `current_fp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `functionPointerStack` should have a snake case name [INFO] [stderr] --> src/vm/machine.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | functionPointerStack: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `function_pointer_stack` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `right` [INFO] [stderr] --> src/vm/machine.rs:30:13 [INFO] [stderr] | [INFO] [stderr] 30 | let right = self.stack.pop(); [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_right` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused variable: `left` [INFO] [stderr] --> src/vm/machine.rs:31:13 [INFO] [stderr] | [INFO] [stderr] 31 | let left = self.stack.pop(); [INFO] [stderr] | ^^^^ help: consider prefixing with an underscore: `_left` [INFO] [stderr] [INFO] [stderr] warning: private type `vm::object::Gc>` in public interface (error E0446) [INFO] [stderr] --> src/vm/object.rs:16:11 [INFO] [stderr] | [INFO] [stderr] 16 | Array(Gc>), [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(private_in_public)]` on by default [INFO] [stderr] = warning: this was previously accepted by the compiler but is being phased out; it will become a hard error in a future release! [INFO] [stderr] = note: for more information, see issue #34537 [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `ElemOfIter` [INFO] [stderr] --> src/parse/for_loop.rs:51:5 [INFO] [stderr] | [INFO] [stderr] 51 | / ElemOfIter { [INFO] [stderr] 52 | | element: String, [INFO] [stderr] 53 | | iter: String, [INFO] [stderr] 54 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `KeyInIter` [INFO] [stderr] --> src/parse/for_loop.rs:56:5 [INFO] [stderr] | [INFO] [stderr] 56 | / KeyInIter { [INFO] [stderr] 57 | | key: String, [INFO] [stderr] 58 | | iter: String, [INFO] [stderr] 59 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: type alias is never used: `StackAddress` [INFO] [stderr] --> src/vm/instruction.rs:4:1 [INFO] [stderr] | [INFO] [stderr] 4 | pub type StackAddress = usize; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: enum is never used: `Instruction` [INFO] [stderr] --> src/vm/instruction.rs:8:1 [INFO] [stderr] | [INFO] [stderr] 8 | pub enum Instruction { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: struct is never constructed: `VirtualMachine` [INFO] [stderr] --> src/vm/machine.rs:7:1 [INFO] [stderr] | [INFO] [stderr] 7 | pub struct VirtualMachine { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `INITIAL_STACK_SIZE` [INFO] [stderr] --> src/vm/machine.rs:16:1 [INFO] [stderr] | [INFO] [stderr] 16 | const INITIAL_STACK_SIZE: usize = 256; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/vm/machine.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | pub fn new(instructions: Vec) -> VirtualMachine { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `op_add` [INFO] [stderr] --> src/vm/machine.rs:29:5 [INFO] [stderr] | [INFO] [stderr] 29 | fn op_add(&mut self) { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Boolean` [INFO] [stderr] --> src/vm/object.rs:13:5 [INFO] [stderr] | [INFO] [stderr] 13 | Boolean(bool), [INFO] [stderr] | ^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Number` [INFO] [stderr] --> src/vm/object.rs:14:5 [INFO] [stderr] | [INFO] [stderr] 14 | Number(f64), [INFO] [stderr] | ^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `String` [INFO] [stderr] --> src/vm/object.rs:15:5 [INFO] [stderr] | [INFO] [stderr] 15 | String(Rc), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Array` [INFO] [stderr] --> src/vm/object.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | Array(Gc>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Map` [INFO] [stderr] --> src/vm/object.rs:17:5 [INFO] [stderr] | [INFO] [stderr] 17 | Map(HashMap, Object>), [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `Closure` [INFO] [stderr] --> src/vm/object.rs:18:5 [INFO] [stderr] | [INFO] [stderr] 18 | / Closure { [INFO] [stderr] 19 | | enviroment: Rc>, [INFO] [stderr] 20 | | function: InstructionAddress, [INFO] [stderr] 21 | | }, [INFO] [stderr] | |_____^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `to_string` [INFO] [stderr] --> src/vm/object.rs:25:5 [INFO] [stderr] | [INFO] [stderr] 25 | fn to_string(&self) -> Rc { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: structure field `currentFp` should have a snake case name [INFO] [stderr] --> src/vm/machine.rs:10:5 [INFO] [stderr] | [INFO] [stderr] 10 | currentFp: InstructionAddress, [INFO] [stderr] | ^^^^^^^^^ help: convert the identifier to snake case: `current_fp` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(non_snake_case)]` on by default [INFO] [stderr] [INFO] [stderr] warning: structure field `functionPointerStack` should have a snake case name [INFO] [stderr] --> src/vm/machine.rs:12:5 [INFO] [stderr] | [INFO] [stderr] 12 | functionPointerStack: Vec, [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^ help: convert the identifier to snake case: `function_pointer_stack` [INFO] [stderr] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 16.07s [INFO] running `"docker" "inspect" "033a3c2b09333e3c6dcb4fd53ced3b329e6ffb8593148c9a75920d4b06d3ba72"` [INFO] running `"docker" "rm" "-f" "033a3c2b09333e3c6dcb4fd53ced3b329e6ffb8593148c9a75920d4b06d3ba72"` [INFO] [stdout] 033a3c2b09333e3c6dcb4fd53ced3b329e6ffb8593148c9a75920d4b06d3ba72