[INFO] cloning repository https://github.com/porplax/MonotaurVM
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/porplax/MonotaurVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporplax%2FMonotaurVM", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporplax%2FMonotaurVM'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 6673e1c843702824321122be696a101f48273999
[INFO] checking porplax/MonotaurVM against 1.95.0 for pr-155915
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fporplax%2FMonotaurVM" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/porplax/MonotaurVM
[INFO] finished tweaking git repo https://github.com/porplax/MonotaurVM
[INFO] tweaked toml for git repo https://github.com/porplax/MonotaurVM written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/porplax/MonotaurVM on toolchain 1.95.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/porplax/MonotaurVM already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.95.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 8 packages to latest compatible versions
[INFO] [stderr]     Updating proc-macro2 v1.0.47 -> v1.0.106
[INFO] [stderr]     Updating quote v1.0.21 -> v1.0.45
[INFO] [stderr]       Adding serde v1.0.228
[INFO] [stderr]       Adding serde_core v1.0.228
[INFO] [stderr]       Adding serde_derive v1.0.228
[INFO] [stderr]       Adding serde_repr v0.1.20
[INFO] [stderr]       Adding syn v2.0.117
[INFO] [stderr]       Adding syscalls v0.8.1
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded clap_derive v4.0.18
[INFO] [stderr]   Downloaded os_str_bytes v6.3.1
[INFO] [stderr]   Downloaded syscalls v0.8.1
[INFO] [stderr]   Downloaded clap v4.0.18
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d8825a2f2a0aca6f1ce2c5a8ba67fed90d603347ec174ce7f77b5020d5ae9587
[INFO] running `Command { std: "docker" "start" "-a" "d8825a2f2a0aca6f1ce2c5a8ba67fed90d603347ec174ce7f77b5020d5ae9587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d8825a2f2a0aca6f1ce2c5a8ba67fed90d603347ec174ce7f77b5020d5ae9587", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d8825a2f2a0aca6f1ce2c5a8ba67fed90d603347ec174ce7f77b5020d5ae9587", kill_on_drop: false }`
[INFO] [stdout] d8825a2f2a0aca6f1ce2c5a8ba67fed90d603347ec174ce7f77b5020d5ae9587
[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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+1.95.0" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 953b233abe943bbe61ee8905d78161b628a6c75ea89f952f76ec7706067c15ee
[INFO] running `Command { std: "docker" "start" "-a" "953b233abe943bbe61ee8905d78161b628a6c75ea89f952f76ec7706067c15ee", kill_on_drop: false }`
[INFO] [stderr]    Compiling unicode-ident v1.0.5
[INFO] [stderr]    Compiling libc v0.2.137
[INFO] [stderr]    Compiling syn v1.0.103
[INFO] [stderr]    Compiling serde_core v1.0.228
[INFO] [stderr]    Compiling ahash v0.7.6
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]     Checking once_cell v1.16.0
[INFO] [stderr]    Compiling heck v0.4.0
[INFO] [stderr]    Compiling syscalls v0.8.1
[INFO] [stderr]     Checking os_str_bytes v6.3.1
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]     Checking clap_lex v0.3.0
[INFO] [stderr]    Compiling quote v1.0.45
[INFO] [stderr]     Checking getrandom v0.2.8
[INFO] [stderr]     Checking atty v0.2.14
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling proc-macro-error-attr v1.0.4
[INFO] [stderr]     Checking hashbrown v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling serde_repr v0.1.20
[INFO] [stderr]    Compiling proc-macro-error v1.0.4
[INFO] [stderr]    Compiling clap_derive v4.0.18
[INFO] [stderr]     Checking clap v4.0.18
[INFO] [stderr]     Checking monotaur v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `crate::cabinet::Cabinet`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use crate::cabinet::Cabinet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser`
[INFO] [stdout]   --> src/main.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | use clap::{parser, Parser};
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Float` and `Int`
[INFO] [stdout]   --> src/machine/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::SupportedTypes::{Float, Int};
[INFO] [stdout]    |                             ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `crate::cabinet::Cabinet`
[INFO] [stdout]   --> src/main.rs:36:5
[INFO] [stdout]    |
[INFO] [stdout] 36 | use crate::cabinet::Cabinet;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `parser`
[INFO] [stdout]   --> src/main.rs:38:12
[INFO] [stdout]    |
[INFO] [stdout] 38 | use clap::{parser, Parser};
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Float` and `Int`
[INFO] [stdout]   --> src/machine/mod.rs:17:29
[INFO] [stdout]    |
[INFO] [stdout] 17 | use crate::SupportedTypes::{Float, Int};
[INFO] [stdout]    |                             ^^^^^  ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/machine/mod.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/machine/mod.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |             HALT => self.set_running(false),
[INFO] [stdout]     |             ---- matches some of the same values
[INFO] [stdout] 286 |
[INFO] [stdout] 287 |             PLOP => {
[INFO] [stdout]     |             ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 302 |             PLUMMET => {
[INFO] [stdout]     |             ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 317 |             SCALE => {
[INFO] [stdout]     |             ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 507 |             _ => {
[INFO] [stdout]     |             ^ ...and 16 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 454 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:472:21
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `DUMMY`
[INFO] [stdout]    --> src/machine/mod.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |             TAKE => {   let DUMMY = self.plate.take();    }
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_DUMMY`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `istype` is never read
[INFO] [stdout]   --> src/plate/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PackedIngredients {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 12 |     pub istype: SupportedTypes,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PackedIngredients` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cabinet` is never constructed
[INFO] [stdout]   --> src/cabinet/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Cabinet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, and `retreive` are never used
[INFO] [stdout]   --> src/cabinet/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Cabinet {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(max: usize) -> Cabinet {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn insert(&mut self, slot: u32, value: Delectable) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn retreive(&mut self, slot: &u32) -> &Delectable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DUMMY` should have a snake case name
[INFO] [stdout]    --> src/machine/mod.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |             TAKE => {   let DUMMY = self.plate.take();    }
[INFO] [stdout]     |                             ^^^^^ help: convert the identifier to snake case: `dummy`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/machine/syscalls/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         syscall!(Sysno::write, mode, str.as_ptr() as *const _, str.len()); 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = syscall!(Sysno::write, mode, str.as_ptr() as *const _, str.len()); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unreachable pattern
[INFO] [stdout]    --> src/machine/mod.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 507 |             _ => {
[INFO] [stdout]     |             ^ no value can reach this
[INFO] [stdout]     |
[INFO] [stdout] note: multiple earlier patterns match some of the same values
[INFO] [stdout]    --> src/machine/mod.rs:507:13
[INFO] [stdout]     |
[INFO] [stdout] 285 |             HALT => self.set_running(false),
[INFO] [stdout]     |             ---- matches some of the same values
[INFO] [stdout] 286 |
[INFO] [stdout] 287 |             PLOP => {
[INFO] [stdout]     |             ---- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 302 |             PLUMMET => {
[INFO] [stdout]     |             ------- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 317 |             SCALE => {
[INFO] [stdout]     |             ----- matches some of the same values
[INFO] [stdout] ...
[INFO] [stdout] 507 |             _ => {
[INFO] [stdout]     |             ^ ...and 16 other patterns collectively make this unreachable
[INFO] [stdout]     = note: `#[warn(unreachable_patterns)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:418:21
[INFO] [stdout]     |
[INFO] [stdout] 418 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:436:21
[INFO] [stdout]     |
[INFO] [stdout] 436 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:454:21
[INFO] [stdout]     |
[INFO] [stdout] 454 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable does not need to be mutable
[INFO] [stdout]    --> src/machine/mod.rs:472:21
[INFO] [stdout]     |
[INFO] [stdout] 472 |                 let mut seasoning = GetValueOfType {
[INFO] [stdout]     |                     ----^^^^^^^^^
[INFO] [stdout]     |                     |
[INFO] [stdout]     |                     help: remove this `mut`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `DUMMY`
[INFO] [stdout]    --> src/machine/mod.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |             TAKE => {   let DUMMY = self.plate.take();    }
[INFO] [stdout]     |                             ^^^^^ help: if this is intentional, prefix it with an underscore: `_DUMMY`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `istype` is never read
[INFO] [stdout]   --> src/plate/mod.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct PackedIngredients {
[INFO] [stdout]    |            ----------------- field in this struct
[INFO] [stdout] 12 |     pub istype: SupportedTypes,
[INFO] [stdout]    |         ^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `PackedIngredients` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct `Cabinet` is never constructed
[INFO] [stdout]   --> src/cabinet/mod.rs:11:12
[INFO] [stdout]    |
[INFO] [stdout] 11 | pub struct Cabinet {
[INFO] [stdout]    |            ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated items `new`, `insert`, and `retreive` are never used
[INFO] [stdout]   --> src/cabinet/mod.rs:17:12
[INFO] [stdout]    |
[INFO] [stdout] 16 | impl Cabinet {
[INFO] [stdout]    | ------------ associated items in this implementation
[INFO] [stdout] 17 |     pub fn new(max: usize) -> Cabinet {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] ...
[INFO] [stdout] 24 |     pub fn insert(&mut self, slot: u32, value: Delectable) {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 32 |     pub fn retreive(&mut self, slot: &u32) -> &Delectable {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `DUMMY` should have a snake case name
[INFO] [stdout]    --> src/machine/mod.rs:333:29
[INFO] [stdout]     |
[INFO] [stdout] 333 |             TAKE => {   let DUMMY = self.plate.take();    }
[INFO] [stdout]     |                             ^^^^^ help: convert the identifier to snake case: `dummy`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(non_snake_case)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused `Result` that must be used
[INFO] [stdout]   --> src/machine/syscalls/mod.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         syscall!(Sysno::write, mode, str.as_ptr() as *const _, str.len()); 
[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)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] help: use `let _ = ...` to ignore the resulting value
[INFO] [stdout]    |
[INFO] [stdout] 10 |         let _ = syscall!(Sysno::write, mode, str.as_ptr() as *const _, str.len()); 
[INFO] [stdout]    |         +++++++
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 15.69s
[INFO] running `Command { std: "docker" "inspect" "953b233abe943bbe61ee8905d78161b628a6c75ea89f952f76ec7706067c15ee", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "953b233abe943bbe61ee8905d78161b628a6c75ea89f952f76ec7706067c15ee", kill_on_drop: false }`
[INFO] [stdout] 953b233abe943bbe61ee8905d78161b628a6c75ea89f952f76ec7706067c15ee
