[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] 55537eac5cc183b522023c2ec5447ded28b4464d
[INFO] checking zxqcs/rusmachine against master#dfd7b8d03fb93d0e03147d28b3be6d93260fa94d for pr-87050
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzxqcs%2Frusmachine" "/workspace/builds/worker-1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zxqcs/rusmachine on toolchain dfd7b8d03fb93d0e03147d28b3be6d93260fa94d
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-1/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" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8e500a90715c0395a56459e643140ba887e9106d7f93f929954acaee54a0b7e7
[INFO] running `Command { std: "docker" "start" "-a" "8e500a90715c0395a56459e643140ba887e9106d7f93f929954acaee54a0b7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8e500a90715c0395a56459e643140ba887e9106d7f93f929954acaee54a0b7e7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8e500a90715c0395a56459e643140ba887e9106d7f93f929954acaee54a0b7e7", kill_on_drop: false }`
[INFO] [stdout] 8e500a90715c0395a56459e643140ba887e9106d7f93f929954acaee54a0b7e7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+dfd7b8d03fb93d0e03147d28b3be6d93260fa94d" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 6cde19d5ca86a9abfd723d85854a3fcd4f0eb18c6eb31b6f5aeb4cd566086cdc
[INFO] running `Command { std: "docker" "start" "-a" "6cde19d5ca86a9abfd723d85854a3fcd4f0eb18c6eb31b6f5aeb4cd566086cdc", kill_on_drop: false }`
[INFO] [stderr]     Checking machine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]    --> src/assembler.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         inst: Exp,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]    --> src/assembler.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         labels: &Exp,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         machine: &mut BasicMachine,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         memory: &mut Memory,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:138:31
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:138:59
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:146:59
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/assembler.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         Object::Index(x) => {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         machine: &mut BasicMachine,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         memory: &mut Memory,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `evalued_operands`
[INFO] [stdout]    --> src/assembler.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let evalued_operands = eval_operands_iter(operands, machine, memory, labels);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_evalued_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/gc.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let label = machine
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/gc.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut x = 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:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let label = machine
[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:170:30
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 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: `x`
[INFO] [stdout]    --> src/machine.rs:189:38
[INFO] [stdout]     |
[INFO] [stdout] 189 |         pub fn assign_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:189:55
[INFO] [stdout]     |
[INFO] [stdout] 189 |         pub fn assign_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:189:72
[INFO] [stdout]     |
[INFO] [stdout] 189 |         pub fn assign_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:193:38
[INFO] [stdout]     |
[INFO] [stdout] 193 |         pub fn assign_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:193:55
[INFO] [stdout]     |
[INFO] [stdout] 193 |         pub fn assign_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:193:72
[INFO] [stdout]     |
[INFO] [stdout] 193 |         pub fn assign_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:197:35
[INFO] [stdout]     |
[INFO] [stdout] 197 |         pub fn set_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:197:52
[INFO] [stdout]     |
[INFO] [stdout] 197 |         pub fn set_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:197:69
[INFO] [stdout]     |
[INFO] [stdout] 197 |         pub fn set_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:201:35
[INFO] [stdout]     |
[INFO] [stdout] 201 |         pub fn set_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:201:52
[INFO] [stdout]     |
[INFO] [stdout] 201 |         pub fn set_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:201:69
[INFO] [stdout]     |
[INFO] [stdout] 201 |         pub fn set_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |             x: &'static str,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             y: &'static str,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/machine.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             z: &'static str,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             memory: &mut Memory,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memory.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             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: `x`
[INFO] [stdout]   --> src/primitives.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Exp::SchemeString(x) => true,
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/primitives.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Exp::Integer(x) => true,
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/primitives.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Exp::FloatNumber(x) => true,
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> src/tpfordev.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if let Exp::List(Pair::Cons(lhs, rhs)) = x {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/tpfordev.rs:117:42
[INFO] [stdout]     |
[INFO] [stdout] 117 |         if let Exp::List(Pair::Cons(lhs, rhs)) = x {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `inst`
[INFO] [stdout]    --> src/assembler.rs:104:9
[INFO] [stdout]     |
[INFO] [stdout] 104 |         inst: Exp,
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_inst`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `labels`
[INFO] [stdout]    --> src/assembler.rs:105:9
[INFO] [stdout]     |
[INFO] [stdout] 105 |         labels: &Exp,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_labels`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:106:9
[INFO] [stdout]     |
[INFO] [stdout] 106 |         machine: &mut BasicMachine,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:107:9
[INFO] [stdout]     |
[INFO] [stdout] 107 |         memory: &mut Memory,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:138:31
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:138:59
[INFO] [stdout]     |
[INFO] [stdout] 138 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:146:31
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                               ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:146:59
[INFO] [stdout]     |
[INFO] [stdout] 146 |                 let lambda = |machine: &mut BasicMachine, memory: &mut Memory| {
[INFO] [stdout]     |                                                           ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/assembler.rs:158:39
[INFO] [stdout]     |
[INFO] [stdout] 158 |                         Object::Index(x) => {
[INFO] [stdout]     |                                       ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `machine`
[INFO] [stdout]    --> src/assembler.rs:131:9
[INFO] [stdout]     |
[INFO] [stdout] 131 |         machine: &mut BasicMachine,
[INFO] [stdout]     |         ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_machine`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/assembler.rs:132:9
[INFO] [stdout]     |
[INFO] [stdout] 132 |         memory: &mut Memory,
[INFO] [stdout]     |         ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `evalued_operands`
[INFO] [stdout]    --> src/assembler.rs:214:13
[INFO] [stdout]     |
[INFO] [stdout] 214 |         let evalued_operands = eval_operands_iter(operands, machine, memory, labels);
[INFO] [stdout]     |             ^^^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_evalued_operands`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `label`
[INFO] [stdout]   --> src/gc.rs:73:25
[INFO] [stdout]    |
[INFO] [stdout] 73 |                     let label = machine
[INFO] [stdout]    |                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_label`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: value assigned to `x` is never read
[INFO] [stdout]   --> src/gc.rs:93:17
[INFO] [stdout]    |
[INFO] [stdout] 93 |         let mut x = 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:149:25
[INFO] [stdout]     |
[INFO] [stdout] 149 |                     let label = machine
[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:170:30
[INFO] [stdout]     |
[INFO] [stdout] 170 |                 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: `another_root`
[INFO] [stdout]    --> src/infrastructure.rs:257:13
[INFO] [stdout]     |
[INFO] [stdout] 257 |         let another_root = build_syntax_tree_into_memeory(&mut ttokens, &mut memory, &mut machine);
[INFO] [stdout]     |             ^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_another_root`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `s`
[INFO] [stdout]    --> src/infrastructure.rs:259:13
[INFO] [stdout]     |
[INFO] [stdout] 259 |         let s = String::from("(( 7 8) 9)");
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_s`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:189:38
[INFO] [stdout]     |
[INFO] [stdout] 189 |         pub fn assign_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:189:55
[INFO] [stdout]     |
[INFO] [stdout] 189 |         pub fn assign_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:189:72
[INFO] [stdout]     |
[INFO] [stdout] 189 |         pub fn assign_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:193:38
[INFO] [stdout]     |
[INFO] [stdout] 193 |         pub fn assign_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                      ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:193:55
[INFO] [stdout]     |
[INFO] [stdout] 193 |         pub fn assign_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                       ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:193:72
[INFO] [stdout]     |
[INFO] [stdout] 193 |         pub fn assign_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                        ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:197:35
[INFO] [stdout]     |
[INFO] [stdout] 197 |         pub fn set_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:197:52
[INFO] [stdout]     |
[INFO] [stdout] 197 |         pub fn set_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:197:69
[INFO] [stdout]     |
[INFO] [stdout] 197 |         pub fn set_car(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:201:35
[INFO] [stdout]     |
[INFO] [stdout] 201 |         pub fn set_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                   ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:201:52
[INFO] [stdout]     |
[INFO] [stdout] 201 |         pub fn set_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                    ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:201:69
[INFO] [stdout]     |
[INFO] [stdout] 201 |         pub fn set_cdr(&mut self, x: &'static str, y: &'static str, memory: &mut Memory) {}
[INFO] [stdout]     |                                                                     ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]    --> src/machine.rs:207:13
[INFO] [stdout]     |
[INFO] [stdout] 207 |             x: &'static str,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]    --> src/machine.rs:208:13
[INFO] [stdout]     |
[INFO] [stdout] 208 |             y: &'static str,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `z`
[INFO] [stdout]    --> src/machine.rs:209:13
[INFO] [stdout]     |
[INFO] [stdout] 209 |             z: &'static str,
[INFO] [stdout]     |             ^ help: if this is intentional, prefix it with an underscore: `_z`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `memory`
[INFO] [stdout]    --> src/machine.rs:210:13
[INFO] [stdout]     |
[INFO] [stdout] 210 |             memory: &mut Memory,
[INFO] [stdout]     |             ^^^^^^ help: if this is intentional, prefix it with an underscore: `_memory`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `i`
[INFO] [stdout]   --> src/memory.rs:18:17
[INFO] [stdout]    |
[INFO] [stdout] 18 |             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: `x`
[INFO] [stdout]   --> src/primitives.rs:85:31
[INFO] [stdout]    |
[INFO] [stdout] 85 |             Exp::SchemeString(x) => true,
[INFO] [stdout]    |                               ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/primitives.rs:86:26
[INFO] [stdout]    |
[INFO] [stdout] 86 |             Exp::Integer(x) => true,
[INFO] [stdout]    |                          ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]   --> src/primitives.rs:87:30
[INFO] [stdout]    |
[INFO] [stdout] 87 |             Exp::FloatNumber(x) => true,
[INFO] [stdout]    |                              ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `lhs`
[INFO] [stdout]    --> src/tpfordev.rs:108:37
[INFO] [stdout]     |
[INFO] [stdout] 108 |         if let Exp::List(Pair::Cons(lhs, rhs)) = x {
[INFO] [stdout]     |                                     ^^^ help: if this is intentional, prefix it with an underscore: `_lhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `rhs`
[INFO] [stdout]    --> src/tpfordev.rs:117:42
[INFO] [stdout]     |
[INFO] [stdout] 117 |         if let Exp::List(Pair::Cons(lhs, rhs)) = x {
[INFO] [stdout]     |                                          ^^^ help: if this is intentional, prefix it with an underscore: `_rhs`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `garbage_collector`
[INFO] [stdout]  --> src/gc.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn garbage_collector(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reassign_root`
[INFO] [stdout]   --> src/gc.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     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:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     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:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     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:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     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:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     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:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn give_a_location(machine: &BasicMachine, name: String) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `already_moved`
[INFO] [stdout]    --> src/gc.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     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:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn is_pair(old: &Object, memory: &Memory) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_car`
[INFO] [stdout]    --> src/gc.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 |     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:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     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:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     fn where_to_go(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]     |        ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `car`
[INFO] [stdout]   --> src/infrastructure.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pub fn car(&self, memory: &Memory) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cdr`
[INFO] [stdout]   --> src/infrastructure.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         pub fn cdr(&self, memory: &Memory) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `capacity`
[INFO] [stdout]    --> src/infrastructure.rs:172:9
[INFO] [stdout]     |
[INFO] [stdout] 172 |         capacity: usize,
[INFO] [stdout]     |         ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `push`
[INFO] [stdout]    --> src/infrastructure.rs:184:16
[INFO] [stdout]     |
[INFO] [stdout] 184 |         pub fn push(&mut self, item: Object) {
[INFO] [stdout]     |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `pop`
[INFO] [stdout]    --> src/infrastructure.rs:192:16
[INFO] [stdout]     |
[INFO] [stdout] 192 |         pub fn pop(&mut self) -> Option<Object> {
[INFO] [stdout]     |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/machine.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         stack: Stack,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: struct is never constructed: `MachineCase`
[INFO] [stdout]  --> src/machine_cases.rs:2:16
[INFO] [stdout]   |
[INFO] [stdout] 2 |     pub struct MachineCase {
[INFO] [stdout]   |                ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new`
[INFO] [stdout]  --> src/machine_cases.rs:8:16
[INFO] [stdout]   |
[INFO] [stdout] 8 |         pub fn new() -> Self {
[INFO] [stdout]   |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/memory.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn capacity(&self) -> usize {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> src/memory.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |         pub fn flip(&mut self) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_car`
[INFO] [stdout]   --> src/memory.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |         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:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |         pub fn new_cdr(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BROKEN_HEART` should have a snake case name
[INFO] [stdout]   --> src/gc.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let BROKEN_HEART = Object::Symbol("broken_heart".to_string());
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `broken_heart`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MachineCase` should have a snake case name
[INFO] [stdout]  --> src/machine_cases.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod MachineCase {
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `machine_case`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 66 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `garbage_collector`
[INFO] [stdout]  --> src/gc.rs:6:12
[INFO] [stdout]   |
[INFO] [stdout] 6 |     pub fn garbage_collector(machine: &mut BasicMachine, memory: &mut Memory) {
[INFO] [stdout]   |            ^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `reassign_root`
[INFO] [stdout]   --> src/gc.rs:20:8
[INFO] [stdout]    |
[INFO] [stdout] 20 |     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:25:8
[INFO] [stdout]    |
[INFO] [stdout] 25 |     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:35:8
[INFO] [stdout]    |
[INFO] [stdout] 35 |     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:85:8
[INFO] [stdout]    |
[INFO] [stdout] 85 |     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:118:8
[INFO] [stdout]     |
[INFO] [stdout] 118 |     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:129:8
[INFO] [stdout]     |
[INFO] [stdout] 129 |     fn give_a_location(machine: &BasicMachine, name: String) -> usize {
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `already_moved`
[INFO] [stdout]    --> src/gc.rs:139:8
[INFO] [stdout]     |
[INFO] [stdout] 139 |     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:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn is_pair(old: &Object, memory: &Memory) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `update_car`
[INFO] [stdout]    --> src/gc.rs:178:8
[INFO] [stdout]     |
[INFO] [stdout] 178 |     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:193:8
[INFO] [stdout]     |
[INFO] [stdout] 193 |     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:200:8
[INFO] [stdout]     |
[INFO] [stdout] 200 |     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:219:8
[INFO] [stdout]     |
[INFO] [stdout] 219 |     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:223:8
[INFO] [stdout]     |
[INFO] [stdout] 223 |     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:251:8
[INFO] [stdout]     |
[INFO] [stdout] 251 |     fn relocate_old_result_in_new_works() {}
[INFO] [stdout]     |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `car`
[INFO] [stdout]   --> src/infrastructure.rs:62:16
[INFO] [stdout]    |
[INFO] [stdout] 62 |         pub fn car(&self, memory: &Memory) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `cdr`
[INFO] [stdout]   --> src/infrastructure.rs:67:16
[INFO] [stdout]    |
[INFO] [stdout] 67 |         pub fn cdr(&self, memory: &Memory) -> Object {
[INFO] [stdout]    |                ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `stack`
[INFO] [stdout]   --> src/machine.rs:11:9
[INFO] [stdout]    |
[INFO] [stdout] 11 |         stack: Stack,
[INFO] [stdout]    |         ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `capacity`
[INFO] [stdout]   --> src/memory.rs:30:16
[INFO] [stdout]    |
[INFO] [stdout] 30 |         pub fn capacity(&self) -> usize {
[INFO] [stdout]    |                ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `flip`
[INFO] [stdout]   --> src/memory.rs:55:16
[INFO] [stdout]    |
[INFO] [stdout] 55 |         pub fn flip(&mut self) {
[INFO] [stdout]    |                ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_car`
[INFO] [stdout]   --> src/memory.rs:77:16
[INFO] [stdout]    |
[INFO] [stdout] 77 |         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:83:16
[INFO] [stdout]    |
[INFO] [stdout] 83 |         pub fn new_cdr(&self, i: usize) -> Object {
[INFO] [stdout]    |                ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variable `BROKEN_HEART` should have a snake case name
[INFO] [stdout]   --> src/gc.rs:36:13
[INFO] [stdout]    |
[INFO] [stdout] 36 |         let BROKEN_HEART = Object::Symbol("broken_heart".to_string());
[INFO] [stdout]    |             ^^^^^^^^^^^^ help: convert the identifier to snake case: `broken_heart`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_snake_case)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: module `MachineCase` should have a snake case name
[INFO] [stdout]  --> src/machine_cases.rs:1:9
[INFO] [stdout]   |
[INFO] [stdout] 1 | pub mod MachineCase {
[INFO] [stdout]   |         ^^^^^^^^^^^ help: convert the identifier to snake case: `machine_case`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 64 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.88s
[INFO] running `Command { std: "docker" "inspect" "6cde19d5ca86a9abfd723d85854a3fcd4f0eb18c6eb31b6f5aeb4cd566086cdc", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "6cde19d5ca86a9abfd723d85854a3fcd4f0eb18c6eb31b6f5aeb4cd566086cdc", kill_on_drop: false }`
[INFO] [stdout] 6cde19d5ca86a9abfd723d85854a3fcd4f0eb18c6eb31b6f5aeb4cd566086cdc