[INFO] cloning repository https://github.com/sudfud/crux
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sudfud/crux" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudfud%2Fcrux", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudfud%2Fcrux'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 14375d7124187530af30ef1e52fa4acbd1477bbd
[INFO] checking sudfud/crux against master#19f42cb9bb65555e7d95dab7d17573ae6c5d634c for pr-139087
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsudfud%2Fcrux" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/sudfud/crux on toolchain 19f42cb9bb65555e7d95dab7d17573ae6c5d634c
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/sudfud/crux
[INFO] finished tweaking git repo https://github.com/sudfud/crux
[INFO] tweaked toml for git repo https://github.com/sudfud/crux written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/sudfud/crux 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" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a8414cf0261842789c0398058acf601b4e04c925d6d514b779dc9073ac411856
[INFO] running `Command { std: "docker" "start" "-a" "a8414cf0261842789c0398058acf601b4e04c925d6d514b779dc9073ac411856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a8414cf0261842789c0398058acf601b4e04c925d6d514b779dc9073ac411856", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a8414cf0261842789c0398058acf601b4e04c925d6d514b779dc9073ac411856", kill_on_drop: false }`
[INFO] [stdout] a8414cf0261842789c0398058acf601b4e04c925d6d514b779dc9073ac411856
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-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@sha256:4b26683ee3c49f365255c425c23003cbf4366de097804722c29c5bbbee3624d2" "/opt/rustwide/cargo-home/bin/cargo" "+19f42cb9bb65555e7d95dab7d17573ae6c5d634c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1174f656b4842900d162c3ef0e4cbe4359f45af06f56b71d8d9387494a485b92
[INFO] running `Command { std: "docker" "start" "-a" "1174f656b4842900d162c3ef0e4cbe4359f45af06f56b71d8d9387494a485b92", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.94
[INFO] [stderr]    Compiling unicode-ident v1.0.18
[INFO] [stderr]    Compiling rustversion v1.0.20
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]    Compiling heck v0.5.0
[INFO] [stderr]     Checking strum v0.27.1
[INFO] [stderr]    Compiling quote v1.0.40
[INFO] [stderr]    Compiling syn v2.0.100
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling strum_macros v0.27.1
[INFO] [stderr]     Checking crux v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/compiler.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Heap, Object};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/object.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ToString`
[INFO] [stdout]  --> src/scanner.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]    --> src/vm.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use std::ops::{Add, Sub, Mul, Div, Rem};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `read_string`
[INFO] [stdout]    --> src/vm.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     macro_rules! read_string {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `read_string_long`
[INFO] [stdout]    --> src/vm.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |     macro_rules! read_string_long {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `Opcode`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chunk::{Chunk, Opcode};
[INFO] [stdout]   |             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Object`
[INFO] [stdout]  --> src/compiler.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 | use crate::object::{Heap, Object};
[INFO] [stdout]   |                           ^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::collections::HashMap`
[INFO] [stdout]  --> src/object.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use std::collections::HashMap;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::string::ToString`
[INFO] [stdout]  --> src/scanner.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use std::string::ToString;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Add`
[INFO] [stdout]    --> src/vm.rs:150:17
[INFO] [stdout]     |
[INFO] [stdout] 150 |     use std::ops::{Add, Sub, Mul, Div, Rem};
[INFO] [stdout]     |                    ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `read_string`
[INFO] [stdout]    --> src/vm.rs:189:15
[INFO] [stdout]     |
[INFO] [stdout] 189 |     macro_rules! read_string {
[INFO] [stdout]     |                  ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_macros)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused macro definition: `read_string_long`
[INFO] [stdout]    --> src/vm.rs:195:15
[INFO] [stdout]     |
[INFO] [stdout] 195 |     macro_rules! read_string_long {
[INFO] [stdout]     |                  ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Chunk` and `Opcode`
[INFO] [stdout]  --> src/main.rs:9:13
[INFO] [stdout]   |
[INFO] [stdout] 9 | use chunk::{Chunk, Opcode};
[INFO] [stdout]   |             ^^^^^  ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:383:2
[INFO] [stdout]     |
[INFO] [stdout] 202 | /     loop {
[INFO] [stdout] 203 | |         // Print debug info
[INFO] [stdout] 204 | |         #[cfg(feature = "trace_execution")] {
[INFO] [stdout] 205 | |         print!("          ");
[INFO] [stdout] ...   |
[INFO] [stdout] 381 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 382 |       
[INFO] [stdout] 383 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable expression
[INFO] [stdout]    --> src/vm.rs:383:2
[INFO] [stdout]     |
[INFO] [stdout] 202 | /     loop {
[INFO] [stdout] 203 | |         // Print debug info
[INFO] [stdout] 204 | |         #[cfg(feature = "trace_execution")] {
[INFO] [stdout] 205 | |         print!("          ");
[INFO] [stdout] ...   |
[INFO] [stdout] 381 | |     }
[INFO] [stdout]     | |_____- any code following this expression is unreachable
[INFO] [stdout] 382 |       
[INFO] [stdout] 383 |       Ok(())
[INFO] [stdout]     |       ^^^^^^ unreachable expression
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unreachable_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `can_assign`
[INFO] [stdout]    --> src/compiler.rs:326:26
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn binary(&mut self, can_assign: bool) {
[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/compiler.rs:351:27
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn literal(&mut self, can_assign: bool) {
[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/compiler.rs:361:28
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn grouping(&mut self, can_assign: bool) {
[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/compiler.rs:367:26
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn number(&mut self, can_assign: bool) {
[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/compiler.rs:375:22
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn or(&mut self, can_assign: bool) {
[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/compiler.rs:387:26
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn string(&mut self, can_assign: bool) {
[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/compiler.rs:441:25
[INFO] [stdout]     |
[INFO] [stdout] 441 |     fn unary(&mut self, can_assign: bool) {
[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/compiler.rs:574:23
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn and(&mut self, can_assign: bool) {
[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/compiler.rs:326:26
[INFO] [stdout]     |
[INFO] [stdout] 326 |     fn binary(&mut self, can_assign: bool) {
[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/compiler.rs:351:27
[INFO] [stdout]     |
[INFO] [stdout] 351 |     fn literal(&mut self, can_assign: bool) {
[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/compiler.rs:361:28
[INFO] [stdout]     |
[INFO] [stdout] 361 |     fn grouping(&mut self, can_assign: bool) {
[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/compiler.rs:367:26
[INFO] [stdout]     |
[INFO] [stdout] 367 |     fn number(&mut self, can_assign: bool) {
[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/compiler.rs:375:22
[INFO] [stdout]     |
[INFO] [stdout] 375 |     fn or(&mut self, can_assign: bool) {
[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/compiler.rs:387:26
[INFO] [stdout]     |
[INFO] [stdout] 387 |     fn string(&mut self, can_assign: bool) {
[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/compiler.rs:441:25
[INFO] [stdout]     |
[INFO] [stdout] 441 |     fn unary(&mut self, can_assign: bool) {
[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/compiler.rs:574:23
[INFO] [stdout]     |
[INFO] [stdout] 574 |     fn and(&mut self, can_assign: bool) {
[INFO] [stdout]     |                       ^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_can_assign`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |             ObjectType::String(s) => Some(s),
[INFO] [stdout]    |             --------------------- matches all the relevant values
[INFO] [stdout] 41 |             _ => None
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]   --> src/value.rs:41:7
[INFO] [stdout]    |
[INFO] [stdout] 40 |             ObjectType::String(s) => Some(s),
[INFO] [stdout]    |             --------------------- matches all the relevant values
[INFO] [stdout] 41 |             _ => None
[INFO] [stdout]    |             ^ no value can reach this
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unreachable_patterns)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `local_count` is never read
[INFO] [stdout]    --> src/compiler.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct Compiler<'a> {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 112 |     local_count: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/vm.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Globals {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub(crate) fn contains(&self, name: &str) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `local_count` is never read
[INFO] [stdout]    --> src/compiler.rs:112:5
[INFO] [stdout]     |
[INFO] [stdout] 107 | struct Compiler<'a> {
[INFO] [stdout]     |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 112 |     local_count: usize,
[INFO] [stdout]     |     ^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `contains` is never used
[INFO] [stdout]   --> src/vm.rs:24:19
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Globals {
[INFO] [stdout]    | ------------ method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub(crate) fn contains(&self, name: &str) -> bool {
[INFO] [stdout]    |                   ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/main.rs:20:2
[INFO] [stdout]    |
[INFO] [stdout] 20 |     io::stdout().flush();
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: this `Result` may be an `Err` variant, which should be handled
[INFO] [stdout]    = note: `#[warn(unused_must_use)]` on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 20 |     let _ = io::stdout().flush();
[INFO] [stdout]    |     +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 9.22s
[INFO] running `Command { std: "docker" "inspect" "1174f656b4842900d162c3ef0e4cbe4359f45af06f56b71d8d9387494a485b92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1174f656b4842900d162c3ef0e4cbe4359f45af06f56b71d8d9387494a485b92", kill_on_drop: false }`
[INFO] [stdout] 1174f656b4842900d162c3ef0e4cbe4359f45af06f56b71d8d9387494a485b92