[INFO] cloning repository https://github.com/zxqcs/rusmachine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zxqcs/rusmachine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqcs%2Frusmachine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqcs%2Frusmachine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73f0d55ec75d9df0ad19d90e58b2cc6b8ecccf63
[INFO] checking zxqcs/rusmachine against try#8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346 for pr-86194
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqcs%2Frusmachine" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxqcs/rusmachine on toolchain 8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zxqcs/rusmachine
[INFO] finished tweaking git repo https://github.com/zxqcs/rusmachine
[INFO] tweaked toml for git repo https://github.com/zxqcs/rusmachine written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/zxqcs/rusmachine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 394b60876516535929822d38f85ca37128439ea74baf938c59db0928ec4ae40c
[INFO] running `Command { std: "docker" "start" "-a" "394b60876516535929822d38f85ca37128439ea74baf938c59db0928ec4ae40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "394b60876516535929822d38f85ca37128439ea74baf938c59db0928ec4ae40c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "394b60876516535929822d38f85ca37128439ea74baf938c59db0928ec4ae40c", kill_on_drop: false }`
[INFO] [stdout] 394b60876516535929822d38f85ca37128439ea74baf938c59db0928ec4ae40c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+8552849d5ae3b6c66b89a0ac2e9c1e3ef5cde346" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a7815abf6aa06663028c706781399786a5893e99e5c3d7473f20672e231d7a27
[INFO] running `Command { std: "docker" "start" "-a" "a7815abf6aa06663028c706781399786a5893e99e5c3d7473f20672e231d7a27", kill_on_drop: false }`
[INFO] [stderr]     Checking machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `Register`
[INFO] [stdout]  --> src/gc.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::infrastructure::register::{Item, Register};
[INFO] [stdout]   |                                                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/memory.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::{fmt::{self, write}, usize};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gc::garbage_collector::garbage_collector`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gc::garbage_collector::garbage_collector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `memory::memory::Memory`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use memory::memory::Memory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Register`
[INFO] [stdout]  --> src/gc.rs:2:49
[INFO] [stdout]   |
[INFO] [stdout] 2 |     use crate::infrastructure::register::{Item, Register};
[INFO] [stdout]   |                                                 ^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `super::garbage_collector`
[INFO] [stdout]    --> src/gc.rs:212:9
[INFO] [stdout]     |
[INFO] [stdout] 212 |     use super::garbage_collector;
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `write`
[INFO] [stdout]  --> src/memory.rs:3:27
[INFO] [stdout]   |
[INFO] [stdout] 3 |     use std::{fmt::{self, write}, usize};
[INFO] [stdout]   |                           ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `gc::garbage_collector::garbage_collector`
[INFO] [stdout]  --> src/main.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 | use gc::garbage_collector::garbage_collector;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `memory::memory::Memory`
[INFO] [stdout]  --> src/main.rs:9:5
[INFO] [stdout]   |
[INFO] [stdout] 9 | use memory::memory::Memory;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/gc.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let label = machine.get_register_contents("relocate_continue").unwrap();
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/gc.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut x = Item::Object(Object::Nil);
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/gc.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     let label = machine.get_register_contents("relocate_continue").unwrap();
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/gc.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 Object::Pair(x) => true,
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memory.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |             for i in 0..size {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memory.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |         pub fn read(&self, i: usize) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `BROKEN_HEART`
[INFO] [stdout]  --> src/gc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     static BROKEN_HEART: Item = Item::Object(Object::Symbol("broken_heart"));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `garbage_collector`
[INFO] [stdout]  --> src/gc.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn garbage_collector(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reassign_root`
[INFO] [stdout]   --> src/gc.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn reassign_root(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `relocate_old_result_in_new`
[INFO] [stdout]   --> src/gc.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn relocate_old_result_in_new(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `relocate_pair`
[INFO] [stdout]   --> src/gc.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn relocate_pair(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assign_to_register_from_memory`
[INFO] [stdout]   --> src/gc.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn assign_to_register_from_memory(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perform_memeory_set`
[INFO] [stdout]    --> src/gc.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn perform_memeory_set(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `give_a_location`
[INFO] [stdout]    --> src/gc.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn give_a_location(machine: &BasicMachine, name: &'static str) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `already_moved`
[INFO] [stdout]    --> src/gc.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn already_moved(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_pair`
[INFO] [stdout]    --> src/gc.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn is_pair(old: &Item, memory: &Memory) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_car`
[INFO] [stdout]    --> src/gc.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn update_car(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_cdr`
[INFO] [stdout]    --> src/gc.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn update_cdr(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gc_loop`
[INFO] [stdout]    --> src/gc.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn gc_loop(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gc_flip`
[INFO] [stdout]    --> src/gc.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn gc_flip(memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `where_to_go`
[INFO] [stdout]    --> src/gc.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn where_to_go(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/infrastructure.rs:22:16
[INFO] [stdout]    |
[INFO] [stdout] 22 |         pub fn new(s: &'static str) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get`
[INFO] [stdout]   --> src/infrastructure.rs:28:16
[INFO] [stdout]    |
[INFO] [stdout] 28 |         pub fn get(&self) -> &Item {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set`
[INFO] [stdout]   --> src/infrastructure.rs:32:16
[INFO] [stdout]    |
[INFO] [stdout] 32 |         pub fn set(&mut self, val: Item) {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_inner_object`
[INFO] [stdout]   --> src/infrastructure.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         pub fn get_inner_object(&self) -> Object {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]   --> src/infrastructure.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         pub fn pop(&mut self) -> Option<Item> {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicMachine`
[INFO] [stdout]  --> src/machine.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub struct BasicMachine {
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initilize_registers`
[INFO] [stdout]   --> src/machine.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |         pub fn initilize_registers(&mut self) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/machine.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn new() -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register_contents`
[INFO] [stdout]   --> src/machine.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         pub fn get_register_contents(&self, name: &'static str) -> Option<&Item> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register_inner_object`
[INFO] [stdout]   --> src/machine.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub fn get_register_inner_object(&self, name: &'static str) -> Option<Object> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_register_contents`
[INFO] [stdout]   --> src/machine.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         pub fn set_register_contents(&mut self, name: &'static str, item: Item) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assign_from_one_register_to_another`
[INFO] [stdout]   --> src/machine.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         pub fn assign_from_one_register_to_another(
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `register_increment_by_one`
[INFO] [stdout]   --> src/machine.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |         pub fn register_increment_by_one(&mut self, name: &'static str) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/memory.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         pub fn new(size: usize) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/memory.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub fn update(&mut self, message: &'static str, item: Object, index: usize) {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> src/memory.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn flip(&mut self) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `car`
[INFO] [stdout]   --> src/memory.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub fn car(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cdr`
[INFO] [stdout]   --> src/memory.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn cdr(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_car`
[INFO] [stdout]   --> src/memory.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |         pub fn new_car(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_cdr`
[INFO] [stdout]   --> src/memory.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn new_cdr(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/memory.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |         pub fn read(&self, i: usize) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/representation.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Integer(i32),
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Index`
[INFO] [stdout]  --> src/representation.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Index(usize),
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Symbol`
[INFO] [stdout]  --> src/representation.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Symbol(&'static str),
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Quote`
[INFO] [stdout]   --> src/representation.rs:10:9
[INFO] [stdout]    |
[INFO] [stdout] 10 |         Quote(&'static str),
[INFO] [stdout]    |         ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/representation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Bool(bool),
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/representation.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Pair(Pair),
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/representation.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Nil,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 53 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/gc.rs:65:25
[INFO] [stdout]    |
[INFO] [stdout] 65 |                     let label = machine.get_register_contents("relocate_continue").unwrap();
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/gc.rs:83:17
[INFO] [stdout]    |
[INFO] [stdout] 83 |         let mut x = Item::Object(Object::Nil);
[INFO] [stdout]    |                 ^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_assignments)]` on by default
[INFO] [stdout]    = help: maybe it is overwritten before being read?
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]    --> src/gc.rs:137:25
[INFO] [stdout]     |
[INFO] [stdout] 137 |                     let label = machine.get_register_contents("relocate_continue").unwrap();
[INFO] [stdout]     |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/gc.rs:156:30
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 Object::Pair(x) => true,
[INFO] [stdout]     |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memory.rs:15:17
[INFO] [stdout]    |
[INFO] [stdout] 15 |             for i in 0..size {
[INFO] [stdout]    |                 ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memory.rs:82:28
[INFO] [stdout]    |
[INFO] [stdout] 82 |         pub fn read(&self, i: usize) {
[INFO] [stdout]    |                            ^ help: if this is intentional, prefix it with an underscore: `_i`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static is never used: `BROKEN_HEART`
[INFO] [stdout]  --> src/gc.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     static BROKEN_HEART: Item = Item::Object(Object::Symbol("broken_heart"));
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `garbage_collector`
[INFO] [stdout]  --> src/gc.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub fn garbage_collector(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reassign_root`
[INFO] [stdout]   --> src/gc.rs:23:8
[INFO] [stdout]    |
[INFO] [stdout] 23 |     fn reassign_root(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `relocate_old_result_in_new`
[INFO] [stdout]   --> src/gc.rs:28:8
[INFO] [stdout]    |
[INFO] [stdout] 28 |     fn relocate_old_result_in_new(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `relocate_pair`
[INFO] [stdout]   --> src/gc.rs:39:8
[INFO] [stdout]    |
[INFO] [stdout] 39 |     fn relocate_pair(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `assign_to_register_from_memory`
[INFO] [stdout]   --> src/gc.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout] 75 |     fn assign_to_register_from_memory(
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `perform_memeory_set`
[INFO] [stdout]    --> src/gc.rs:108:8
[INFO] [stdout]     |
[INFO] [stdout] 108 |     fn perform_memeory_set(
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `give_a_location`
[INFO] [stdout]    --> src/gc.rs:119:8
[INFO] [stdout]     |
[INFO] [stdout] 119 |     fn give_a_location(machine: &BasicMachine, name: &'static str) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `already_moved`
[INFO] [stdout]    --> src/gc.rs:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn already_moved(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `is_pair`
[INFO] [stdout]    --> src/gc.rs:152:8
[INFO] [stdout]     |
[INFO] [stdout] 152 |     fn is_pair(old: &Item, memory: &Memory) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_car`
[INFO] [stdout]    --> src/gc.rs:164:8
[INFO] [stdout]     |
[INFO] [stdout] 164 |     fn update_car(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_cdr`
[INFO] [stdout]    --> src/gc.rs:173:8
[INFO] [stdout]     |
[INFO] [stdout] 173 |     fn update_cdr(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gc_loop`
[INFO] [stdout]    --> src/gc.rs:180:8
[INFO] [stdout]     |
[INFO] [stdout] 180 |     fn gc_loop(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `gc_flip`
[INFO] [stdout]    --> src/gc.rs:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     fn gc_flip(memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `where_to_go`
[INFO] [stdout]    --> src/gc.rs:197:8
[INFO] [stdout]     |
[INFO] [stdout] 197 |     fn where_to_go(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `relocate_old_result_in_new_works`
[INFO] [stdout]    --> src/gc.rs:217:8
[INFO] [stdout]     |
[INFO] [stdout] 217 |     fn relocate_old_result_in_new_works() {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_inner_object`
[INFO] [stdout]   --> src/infrastructure.rs:36:16
[INFO] [stdout]    |
[INFO] [stdout] 36 |         pub fn get_inner_object(&self) -> Object {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `BasicMachine`
[INFO] [stdout]  --> src/machine.rs:7:16
[INFO] [stdout]   |
[INFO] [stdout] 7 |     pub struct BasicMachine {
[INFO] [stdout]   |                ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `initilize_registers`
[INFO] [stdout]   --> src/machine.rs:14:16
[INFO] [stdout]    |
[INFO] [stdout] 14 |         pub fn initilize_registers(&mut self) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/machine.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn new() -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register_contents`
[INFO] [stdout]   --> src/machine.rs:38:16
[INFO] [stdout]    |
[INFO] [stdout] 38 |         pub fn get_register_contents(&self, name: &'static str) -> Option<&Item> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `get_register_inner_object`
[INFO] [stdout]   --> src/machine.rs:46:16
[INFO] [stdout]    |
[INFO] [stdout] 46 |         pub fn get_register_inner_object(&self, name: &'static str) -> Option<Object> {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `set_register_contents`
[INFO] [stdout]   --> src/machine.rs:54:16
[INFO] [stdout]    |
[INFO] [stdout] 54 |         pub fn set_register_contents(&mut self, name: &'static str, item: Item) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `assign_from_one_register_to_another`
[INFO] [stdout]   --> src/machine.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         pub fn assign_from_one_register_to_another(
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `register_increment_by_one`
[INFO] [stdout]   --> src/machine.rs:84:16
[INFO] [stdout]    |
[INFO] [stdout] 84 |         pub fn register_increment_by_one(&mut self, name: &'static str) {
[INFO] [stdout]    |                ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]   --> src/memory.rs:12:16
[INFO] [stdout]    |
[INFO] [stdout] 12 |         pub fn new(size: usize) -> Self {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `update`
[INFO] [stdout]   --> src/memory.rs:27:16
[INFO] [stdout]    |
[INFO] [stdout] 27 |         pub fn update(&mut self, message: &'static str, item: Object, index: usize) {
[INFO] [stdout]    |                ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> src/memory.rs:48:16
[INFO] [stdout]    |
[INFO] [stdout] 48 |         pub fn flip(&mut self) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `car`
[INFO] [stdout]   --> src/memory.rs:58:16
[INFO] [stdout]    |
[INFO] [stdout] 58 |         pub fn car(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cdr`
[INFO] [stdout]   --> src/memory.rs:64:16
[INFO] [stdout]    |
[INFO] [stdout] 64 |         pub fn cdr(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_car`
[INFO] [stdout]   --> src/memory.rs:70:16
[INFO] [stdout]    |
[INFO] [stdout] 70 |         pub fn new_car(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_cdr`
[INFO] [stdout]   --> src/memory.rs:76:16
[INFO] [stdout]    |
[INFO] [stdout] 76 |         pub fn new_cdr(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `read`
[INFO] [stdout]   --> src/memory.rs:82:16
[INFO] [stdout]    |
[INFO] [stdout] 82 |         pub fn read(&self, i: usize) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Integer`
[INFO] [stdout]  --> src/representation.rs:7:9
[INFO] [stdout]   |
[INFO] [stdout] 7 |         Integer(i32),
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Index`
[INFO] [stdout]  --> src/representation.rs:8:9
[INFO] [stdout]   |
[INFO] [stdout] 8 |         Index(usize),
[INFO] [stdout]   |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Symbol`
[INFO] [stdout]  --> src/representation.rs:9:9
[INFO] [stdout]   |
[INFO] [stdout] 9 |         Symbol(&'static str),
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Bool`
[INFO] [stdout]   --> src/representation.rs:12:9
[INFO] [stdout]    |
[INFO] [stdout] 12 |         Bool(bool),
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Pair`
[INFO] [stdout]   --> src/representation.rs:13:9
[INFO] [stdout]    |
[INFO] [stdout] 13 |         Pair(Pair),
[INFO] [stdout]    |         ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `Nil`
[INFO] [stdout]   --> src/representation.rs:14:9
[INFO] [stdout]    |
[INFO] [stdout] 14 |         Nil,
[INFO] [stdout]    |         ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 50 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.49s
[INFO] running `Command { std: "docker" "inspect" "a7815abf6aa06663028c706781399786a5893e99e5c3d7473f20672e231d7a27", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a7815abf6aa06663028c706781399786a5893e99e5c3d7473f20672e231d7a27", kill_on_drop: false }`
[INFO] [stdout] a7815abf6aa06663028c706781399786a5893e99e5c3d7473f20672e231d7a27