[INFO] cloning repository https://github.com/rcardenes/little_smalltalk_in_rust
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rcardenes/little_smalltalk_in_rust" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcardenes%2Flittle_smalltalk_in_rust", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcardenes%2Flittle_smalltalk_in_rust'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 98f5f57cb68be12b98fae9e3c907d65e74ce6c0b
[INFO] fixing rcardenes/little_smalltalk_in_rust against try#622891a4e29178280638a6b63a8908bde2c0c854+cargoflags=-Zfix-edition=start=2015 for pr-157817-2
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frcardenes%2Flittle_smalltalk_in_rust" "/workspace/builds/worker-5-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc1/source'...
[INFO] [stderr] done.
[INFO] removed /workspace/builds/worker-5-tc1/source/rust-toolchain.toml
[INFO] started tweaking git repo https://github.com/rcardenes/little_smalltalk_in_rust
[INFO] finished tweaking git repo https://github.com/rcardenes/little_smalltalk_in_rust
[INFO] tweaked toml for git repo https://github.com/rcardenes/little_smalltalk_in_rust written to /workspace/builds/worker-5-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rcardenes/little_smalltalk_in_rust on toolchain 622891a4e29178280638a6b63a8908bde2c0c854
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rcardenes/little_smalltalk_in_rust 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" "+622891a4e29178280638a6b63a8908bde2c0c854" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/source:/opt/rustwide/workdir:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:3a6becf2bc8dde7f3fa57ede90e4f284e72d296796fc446bbb1e2c7cc0530151" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9
[INFO] running `Command { std: "docker" "start" "f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=" "-e" "RUSTDOCFLAGS=" "-w" "/opt/rustwide/workdir" "--user" "0:0" "f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9" "/opt/rustwide/cargo-home/bin/cargo" "+622891a4e29178280638a6b63a8908bde2c0c854" "fix" "--allow-no-vcs" "--allow-dirty" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zfix-edition=start=2015", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.106
[INFO] [stderr]    Compiling unicode-ident v1.0.23
[INFO] [stderr]     Checking quote v1.0.44
[INFO] [stderr]     Checking syn v2.0.115
[INFO] [stderr]     Checking proc_macros v0.1.0 (/opt/rustwide/workdir/proc_macros)
[INFO] [stderr]     Checking vm v0.1.0 (/opt/rustwide/workdir/vm)
[INFO] [stdout] error[E0603]: module `number` is private
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         number::Integer,
[INFO] [stdout]     |         ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export instead:
[INFO] [stdout]       crate::objects::Integer
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:217:9
[INFO] [stdout]     |
[INFO] [stdout] 217 |         number::Integer,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] note: the module `number` is defined here
[INFO] [stdout]    --> vm/src/objects/mod.rs:6:1
[INFO] [stdout]     |
[INFO] [stdout]   6 | mod number;
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `symbol` is private
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         symbol::Symbol,
[INFO] [stdout]     |         ^^^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export instead:
[INFO] [stdout]       crate::objects::Symbol
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:218:9
[INFO] [stdout]     |
[INFO] [stdout] 218 |         symbol::Symbol,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^
[INFO] [stdout] note: the module `symbol` is defined here
[INFO] [stdout]    --> vm/src/objects/mod.rs:9:1
[INFO] [stdout]     |
[INFO] [stdout]   9 | mod symbol;
[INFO] [stdout]     | ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error[E0603]: module `byte` is private
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         byte::ByteArray,
[INFO] [stdout]     |         ^^^^ private module
[INFO] [stdout]     |
[INFO] [stdout] help: consider importing this struct through its public re-export instead:
[INFO] [stdout]       crate::objects::ByteArray
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:219:9
[INFO] [stdout]     |
[INFO] [stdout] 219 |         byte::ByteArray,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] note: the module `byte` is defined here
[INFO] [stdout]    --> vm/src/objects/mod.rs:2:1
[INFO] [stdout]     |
[INFO] [stdout]   2 | mod byte;
[INFO] [stdout]     | ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::*`
[INFO] [stdout]   --> vm/src/lib.rs:52:9
[INFO] [stdout]    |
[INFO] [stdout] 52 |     use super::*;
[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 variable: `classname`
[INFO] [stdout]   --> vm/src/objects/class.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn build(self, classname: String) -> Class {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `byte_mem`, `class_mem`, `int_mem`, `str_mem`, and `sym_mem` are never read
[INFO] [stdout]   --> vm/src/lib.rs:17:5
[INFO] [stdout]    |
[INFO] [stdout] 16 | pub struct VirtualMachine {
[INFO] [stdout]    |            -------------- fields in this struct
[INFO] [stdout] 17 |     byte_mem: MemPool<objects::ByteArray>,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 18 |     class_mem: MemPool<objects::Class>,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 19 |     int_mem: MemPool<objects::Integer>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 20 |     str_mem: MemPool<objects::StringObject>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 21 |     sym_mem: MemPool<objects::Symbol>,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `interpreter`, `numargs`, and `arglocation` are never read
[INFO] [stdout]   --> vm/src/objects/block.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Block {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout]  7 |     header: ObjectHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  8 |     interpreter: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout]  9 |     numargs: u32,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 10 |     arglocation: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> vm/src/objects/class.rs:12:5
[INFO] [stdout]    |
[INFO] [stdout] 10 | pub struct Class {
[INFO] [stdout]    |            ----- fields in this struct
[INFO] [stdout] 11 |     header:         ObjectHeader,
[INFO] [stdout] 12 |     name:           ObjectPointer,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 13 |     super_class:    ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 14 |     file_name:      ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     c_inst_vars:    ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 16 |     context_size:   u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 17 |     message_names:  ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^^^^^
[INFO] [stdout] 18 |     methods:        ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 19 |     stack_max:      u32,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Class` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CharMode`, `StrMode`, and `InteMode` are never constructed
[INFO] [stdout]  --> vm/src/objects/file.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | enum FileMode {
[INFO] [stdout]   |      -------- variants in this enum
[INFO] [stdout] 7 |     CharMode,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 8 |     StrMode,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout] 9 |     InteMode,
[INFO] [stdout]   |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `file_mode`, and `descriptor` are never read
[INFO] [stdout]   --> vm/src/objects/file.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout] 12 | pub struct File {
[INFO] [stdout]    |            ---- fields in this struct
[INFO] [stdout] 13 |     header: ObjectHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 14 |     file_mode: FileMode,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 15 |     // Placeholder. Later we may implement it based on std::fs::File
[INFO] [stdout] 16 |     descriptor: usize,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `SIZE` is never used
[INFO] [stdout]   --> vm/src/objects/file.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl File {
[INFO] [stdout]    | --------- associated constant in this implementation
[INFO] [stdout] 20 |     const SIZE: ObjectSize = FILESIZE;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: multiple fields are never read
[INFO] [stdout]   --> vm/src/objects/interp.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub struct Interpreter {
[INFO] [stdout]    |            ----------- fields in this struct
[INFO] [stdout]  7 |     header: ObjectHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  8 |     creator: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout]  9 |     sender: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 10 |     bytecode: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 11 |     receiver: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 12 |     literals: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^
[INFO] [stdout] 13 |     context: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 14 |     stack: ObjectPointer,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 15 |     // stacktop: ... In C this is object**. Figure out how it is used
[INFO] [stdout] 16 |     current_byte: u32,
[INFO] [stdout]    |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated constant `SIZE` is never used
[INFO] [stdout]   --> vm/src/objects/interp.rs:20:11
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl Interpreter {
[INFO] [stdout]    | ---------------- associated constant in this implementation
[INFO] [stdout] 20 |     const SIZE: ObjectSize = INTERPSIZE;
[INFO] [stdout]    |           ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `value` is never read
[INFO] [stdout]   --> vm/src/objects/number.rs:34:5
[INFO] [stdout]    |
[INFO] [stdout] 32 | pub struct Float {
[INFO] [stdout]    |            ----- field in this struct
[INFO] [stdout] 33 |     header: ObjectHeader,
[INFO] [stdout] 34 |     value: f64,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Float` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Active`, `Suspended`, `Blocked`, `Unblocked`, and `Terminated` are never constructed
[INFO] [stdout]   --> vm/src/objects/process.rs:7:5
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub enum ProcessState {
[INFO] [stdout]    |          ------------ variants in this enum
[INFO] [stdout]  7 |     Active,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout]  8 |     Suspended,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout]  9 |     Ready,
[INFO] [stdout] 10 |     Blocked,
[INFO] [stdout]    |     ^^^^^^^
[INFO] [stdout] 11 |     Unblocked,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     Terminated,
[INFO] [stdout]    |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `interpreter`, `state`, `next`, and `prev` are never read
[INFO] [stdout]   --> vm/src/objects/process.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct Process {
[INFO] [stdout]    |            ------- fields in this struct
[INFO] [stdout] 16 |     header: ObjectHeader,
[INFO] [stdout]    |     ^^^^^^
[INFO] [stdout] 17 |     interpreter: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^^^
[INFO] [stdout] 18 |     state: ProcessState,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout] 19 |     next: Option<ObjectPointer>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 20 |     prev: Option<ObjectPointer>,
[INFO] [stdout]    |     ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `super_obj` and `value` are never read
[INFO] [stdout]   --> vm/src/objects/string.rs:11:5
[INFO] [stdout]    |
[INFO] [stdout]  9 | pub struct StringObject {
[INFO] [stdout]    |            ------------ fields in this struct
[INFO] [stdout] 10 |     header: ObjectHeader,
[INFO] [stdout] 11 |     super_obj: ObjectPointer,
[INFO] [stdout]    |     ^^^^^^^^^
[INFO] [stdout] 12 |     value: String,
[INFO] [stdout]    |     ^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `StringObject` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `header`, `class`, `super_obj`, and `inst_var` are never read
[INFO] [stdout]    --> vm/src/objects/object.rs:145:5
[INFO] [stdout]     |
[INFO] [stdout] 144 | pub struct Object {
[INFO] [stdout]     |            ------ fields in this struct
[INFO] [stdout] 145 |     header:     ObjectHeader,
[INFO] [stdout]     |     ^^^^^^
[INFO] [stdout] 146 |     class:      ObjectPointer,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] 147 |     super_obj:  ObjectPointer,
[INFO] [stdout]     |     ^^^^^^^^^
[INFO] [stdout] 148 |     inst_var:   Vec<ObjectPointer>,
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `allocations` is never read
[INFO] [stdout]  --> vm/src/memory/memory_pool.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 5 | struct MemBlock<T: ValidObject + Debug> {
[INFO] [stdout]   |        -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 8 |     allocations: usize,
[INFO] [stdout]   |     ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `emplace`, `drop`, `get`, and `get_mut` are never used
[INFO] [stdout]   --> vm/src/memory/memory_pool.rs:47:8
[INFO] [stdout]    |
[INFO] [stdout] 13 | / impl<T> MemBlock<T>
[INFO] [stdout] 14 | |     where T: ValidObject + Debug
[INFO] [stdout]    | |________________________________- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 47 |       fn emplace(&mut self, offset: usize, value: T) -> ObjectPointer {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 60 |       fn drop(&mut self, ptr: ObjectPointer, next_free: ObjectPointer) -> ObjectPointer {
[INFO] [stdout]    |          ^^^^
[INFO] [stdout] ...
[INFO] [stdout] 79 |       fn get(&self, offset: usize) -> Option<&T> {
[INFO] [stdout]    |          ^^^
[INFO] [stdout] ...
[INFO] [stdout] 87 |       fn get_mut(&mut self, offset: usize) -> &mut T {
[INFO] [stdout]    |          ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `MemAlloc` is never used
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:124:11
[INFO] [stdout]     |
[INFO] [stdout] 124 | pub trait MemAlloc {
[INFO] [stdout]     |           ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `get` is never used
[INFO] [stdout]    --> vm/src/memory/memory_pool.rs:162:8
[INFO] [stdout]     |
[INFO] [stdout] 138 | / impl<T> MemPool<T>
[INFO] [stdout] 139 | |     where T: ValidObject + Debug
[INFO] [stdout]     | |________________________________- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 162 |       fn get(&self, ptr: ObjectPointer) -> Option<&T> {
[INFO] [stdout]     |          ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `classname`
[INFO] [stdout]   --> vm/src/objects/class.rs:55:24
[INFO] [stdout]    |
[INFO] [stdout] 55 |     pub fn build(self, classname: String) -> Class {
[INFO] [stdout]    |                        ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_classname`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking lst v0.1.0 (/opt/rustwide/workdir/lst)
[INFO] [stdout] For more information about this error, try `rustc --explain E0603`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `vm` (lib test) due to 3 previous errors; 2 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9", kill_on_drop: false }`
[INFO] [stdout] f6239d3390b23307e776890ab7f1cde094ad8bd9b2f7abc73b5f892e574173d9
