[INFO] updating cached repository https://github.com/bwhetherington/rscript
[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] 2c128ec73de6418c36dcfd4fe507cd605d58ea6e
[INFO] checking bwhetherington/rscript against master#6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257 for pr-70872
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbwhetherington%2Frscript" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/bwhetherington/rscript on toolchain 6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/bwhetherington/rscript
[INFO] finished tweaking git repo https://github.com/bwhetherington/rscript
[INFO] tweaked toml for git repo https://github.com/bwhetherington/rscript written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] crate git repo https://github.com/bwhetherington/rscript already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+6dee5f1126dfd5c9314ee5ae9d9eb010e35ef257" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] 00f1d3ec1184918b138c52bd4aa8ff0aacad3b508003bab23f449496e13a29fe
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "00f1d3ec1184918b138c52bd4aa8ff0aacad3b508003bab23f449496e13a29fe"`
[INFO] [stderr]     Checking rscript v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `Statement::*`
[INFO] [stderr]     --> src/parser/ast.rs:1503:13
[INFO] [stderr]      |
[INFO] [stderr] 1503 |         use Statement::*;
[INFO] [stderr]      |             ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/parser/resolver.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Path, PathBuf},
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `Statement::*`
[INFO] [stderr]     --> src/parser/ast.rs:1503:13
[INFO] [stderr]      |
[INFO] [stderr] 1503 |         use Statement::*;
[INFO] [stderr]      |             ^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `PathBuf`
[INFO] [stderr]  --> src/parser/resolver.rs:8:18
[INFO] [stderr]   |
[INFO] [stderr] 8 |     path::{Path, PathBuf},
[INFO] [stderr]   |                  ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/engine/vm.rs:540:17
[INFO] [stderr]     |
[INFO] [stderr] 540 |                 (_, xs) => Err(EvalError::arity_mismatch(1, xs.len())),
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/engine/vm.rs:556:17
[INFO] [stderr]     |
[INFO] [stderr] 556 |                 (_, xs) => Err(EvalError::arity_mismatch(1, xs.len())),
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `engine`
[INFO] [stderr]    --> src/engine/vm.rs:353:49
[INFO] [stderr]     |
[INFO] [stderr] 353 |         obj_proto.define_method("instance_of", |engine, this, args| {
[INFO] [stderr]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `engine`
[INFO] [stderr]    --> src/engine/vm.rs:566:41
[INFO] [stderr]     |
[INFO] [stderr] 566 |         str_proto.define_method("new", |engine, this, args| {
[INFO] [stderr]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]     --> src/engine/vm.rs:1583:35
[INFO] [stderr]      |
[INFO] [stderr] 1583 |     fn capture_environment(&self, expr: &Expression) -> Frame {
[INFO] [stderr]      |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]     --> src/engine/vm.rs:1649:21
[INFO] [stderr]      |
[INFO] [stderr] 1649 |                     other => self.evaluate(then),
[INFO] [stderr]      |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/parser/mod.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let col = self.col as isize + col_offset;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/parser/mod.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let row = self.row as isize + row_offset;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `identifier`
[INFO] [stderr]    --> src/parser/ast.rs:989:21
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let identifier = self.parse_identifier()?;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identifier`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]     --> src/parser/ast.rs:1487:21
[INFO] [stderr]      |
[INFO] [stderr] 1487 |             Boolean(b) => write!(f, "False"),
[INFO] [stderr]      |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]     --> src/parser/ast.rs:1491:31
[INFO] [stderr]      |
[INFO] [stderr] 1491 |             Block(statements, expr) => {
[INFO] [stderr]      |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]     --> src/parser/ast.rs:1493:21
[INFO] [stderr]      |
[INFO] [stderr] 1493 |                 for statement in statements {}
[INFO] [stderr]      |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]     --> src/parser/ast.rs:1502:19
[INFO] [stderr]      |
[INFO] [stderr] 1502 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]      |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/engine/vm.rs:540:17
[INFO] [stderr]     |
[INFO] [stderr] 540 |                 (_, xs) => Err(EvalError::arity_mismatch(1, xs.len())),
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unreachable pattern
[INFO] [stderr]    --> src/engine/vm.rs:556:17
[INFO] [stderr]     |
[INFO] [stderr] 556 |                 (_, xs) => Err(EvalError::arity_mismatch(1, xs.len())),
[INFO] [stderr]     |                 ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `engine`
[INFO] [stderr]    --> src/engine/vm.rs:353:49
[INFO] [stderr]     |
[INFO] [stderr] 353 |         obj_proto.define_method("instance_of", |engine, this, args| {
[INFO] [stderr]     |                                                 ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `engine`
[INFO] [stderr]    --> src/engine/vm.rs:566:41
[INFO] [stderr]     |
[INFO] [stderr] 566 |         str_proto.define_method("new", |engine, this, args| {
[INFO] [stderr]     |                                         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_engine`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]     --> src/engine/vm.rs:1583:35
[INFO] [stderr]      |
[INFO] [stderr] 1583 |     fn capture_environment(&self, expr: &Expression) -> Frame {
[INFO] [stderr]      |                                   ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `other`
[INFO] [stderr]     --> src/engine/vm.rs:1649:21
[INFO] [stderr]      |
[INFO] [stderr] 1649 |                     other => self.evaluate(then),
[INFO] [stderr]      |                     ^^^^^ help: if this is intentional, prefix it with an underscore: `_other`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `col`
[INFO] [stderr]   --> src/parser/mod.rs:39:13
[INFO] [stderr]    |
[INFO] [stderr] 39 |         let col = self.col as isize + col_offset;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_col`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `row`
[INFO] [stderr]   --> src/parser/mod.rs:40:13
[INFO] [stderr]    |
[INFO] [stderr] 40 |         let row = self.row as isize + row_offset;
[INFO] [stderr]    |             ^^^ help: if this is intentional, prefix it with an underscore: `_row`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `identifier`
[INFO] [stderr]    --> src/parser/ast.rs:989:21
[INFO] [stderr]     |
[INFO] [stderr] 989 |                 let identifier = self.parse_identifier()?;
[INFO] [stderr]     |                     ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_identifier`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `b`
[INFO] [stderr]     --> src/parser/ast.rs:1487:21
[INFO] [stderr]      |
[INFO] [stderr] 1487 |             Boolean(b) => write!(f, "False"),
[INFO] [stderr]      |                     ^ help: if this is intentional, prefix it with an underscore: `_b`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `expr`
[INFO] [stderr]     --> src/parser/ast.rs:1491:31
[INFO] [stderr]      |
[INFO] [stderr] 1491 |             Block(statements, expr) => {
[INFO] [stderr]      |                               ^^^^ help: if this is intentional, prefix it with an underscore: `_expr`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `statement`
[INFO] [stderr]     --> src/parser/ast.rs:1493:21
[INFO] [stderr]      |
[INFO] [stderr] 1493 |                 for statement in statements {}
[INFO] [stderr]      |                     ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_statement`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `f`
[INFO] [stderr]     --> src/parser/ast.rs:1502:19
[INFO] [stderr]      |
[INFO] [stderr] 1502 |     fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
[INFO] [stderr]      |                   ^ help: if this is intentional, prefix it with an underscore: `_f`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/engine/vm.rs:1584:13
[INFO] [stderr]      |
[INFO] [stderr] 1584 |         let mut frame = HashMap::new();
[INFO] [stderr]      |             ----^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/parser/ast.rs:1372:9
[INFO] [stderr]      |
[INFO] [stderr] 1372 |     let mut others = Vec::new();
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/engine/vm.rs:1584:13
[INFO] [stderr]      |
[INFO] [stderr] 1584 |         let mut frame = HashMap::new();
[INFO] [stderr]      |             ----^^^^^
[INFO] [stderr]      |             |
[INFO] [stderr]      |             help: remove this `mut`
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_mut)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `instructions`
[INFO] [stderr]    --> src/engine/vm.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     instructions: Vec<Statement>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_prefix`
[INFO] [stderr]    --> src/engine/vm.rs:189:4
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn matches_prefix<T: PartialEq + fmt::Debug>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `capture_environment`
[INFO] [stderr]     --> src/engine/vm.rs:1583:5
[INFO] [stderr]      |
[INFO] [stderr] 1583 |     fn capture_environment(&self, expr: &Expression) -> Frame {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `WeakPtr`
[INFO] [stderr]     --> src/engine/vm.rs:1875:1
[INFO] [stderr]      |
[INFO] [stderr] 1875 | type WeakPtr<T> = Weak<RefCell<T>>;
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_alias_statement`
[INFO] [stderr]     --> src/parser/ast.rs:1285:5
[INFO] [stderr]      |
[INFO] [stderr] 1285 |     fn parse_interface_alias_statement(&mut self) -> ParseResult<InterfaceStatement> {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_file`
[INFO] [stderr]    --> src/parser/lexer.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn show_file(file: Option<&String>) -> String {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/engine/vm.rs:1687:25
[INFO] [stderr]      |
[INFO] [stderr] 1687 |                         self.call_method(&new_obj, "new", &args);
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/engine/vm.rs:1829:17
[INFO] [stderr]      |
[INFO] [stderr] 1829 |                 self.call_method(&new_obj, "new", &args);
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/engine/vm.rs:1850:17
[INFO] [stderr]      |
[INFO] [stderr] 1850 |                 self.call_method(&new_obj, "new", &args);
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: variable does not need to be mutable
[INFO] [stderr]     --> src/parser/ast.rs:1372:9
[INFO] [stderr]      |
[INFO] [stderr] 1372 |     let mut others = Vec::new();
[INFO] [stderr]      |         ----^^^^^^
[INFO] [stderr]      |         |
[INFO] [stderr]      |         help: remove this `mut`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `instructions`
[INFO] [stderr]    --> src/engine/vm.rs:141:5
[INFO] [stderr]     |
[INFO] [stderr] 141 |     instructions: Vec<Statement>,
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `matches_prefix`
[INFO] [stderr]    --> src/engine/vm.rs:189:4
[INFO] [stderr]     |
[INFO] [stderr] 189 | fn matches_prefix<T: PartialEq + fmt::Debug>(
[INFO] [stderr]     |    ^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `capture_environment`
[INFO] [stderr]     --> src/engine/vm.rs:1583:5
[INFO] [stderr]      |
[INFO] [stderr] 1583 |     fn capture_environment(&self, expr: &Expression) -> Frame {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: type alias is never used: `WeakPtr`
[INFO] [stderr]     --> src/engine/vm.rs:1875:1
[INFO] [stderr]      |
[INFO] [stderr] 1875 | type WeakPtr<T> = Weak<RefCell<T>>;
[INFO] [stderr]      | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method is never used: `parse_interface_alias_statement`
[INFO] [stderr]     --> src/parser/ast.rs:1285:5
[INFO] [stderr]      |
[INFO] [stderr] 1285 |     fn parse_interface_alias_statement(&mut self) -> ParseResult<InterfaceStatement> {
[INFO] [stderr]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `show_file`
[INFO] [stderr]    --> src/parser/lexer.rs:152:4
[INFO] [stderr]     |
[INFO] [stderr] 152 | fn show_file(file: Option<&String>) -> String {
[INFO] [stderr]     |    ^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/engine/vm.rs:1687:25
[INFO] [stderr]      |
[INFO] [stderr] 1687 |                         self.call_method(&new_obj, "new", &args);
[INFO] [stderr]      |                         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/engine/vm.rs:1829:17
[INFO] [stderr]      |
[INFO] [stderr] 1829 |                 self.call_method(&new_obj, "new", &args);
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr] warning: unused `std::result::Result` that must be used
[INFO] [stderr]     --> src/engine/vm.rs:1850:17
[INFO] [stderr]      |
[INFO] [stderr] 1850 |                 self.call_method(&new_obj, "new", &args);
[INFO] [stderr]      |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]      |
[INFO] [stderr]      = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 4.37s
[INFO] running `"docker" "inspect" "00f1d3ec1184918b138c52bd4aa8ff0aacad3b508003bab23f449496e13a29fe"`
[INFO] running `"docker" "rm" "-f" "00f1d3ec1184918b138c52bd4aa8ff0aacad3b508003bab23f449496e13a29fe"`
[INFO] [stdout] 00f1d3ec1184918b138c52bd4aa8ff0aacad3b508003bab23f449496e13a29fe