[INFO] cloning repository https://github.com/ish4n10/spliler
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ish4n10/spliler" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fish4n10%2Fspliler", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fish4n10%2Fspliler'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4c25cd5eb9d5a9f69dd1728abff39b5698734f85
[INFO] testing ish4n10/spliler against try#db823df02fd0c2cf67b43025ac3fef3f2d743245 for pr-150681-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fish4n10%2Fspliler" "/workspace/builds/worker-5-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ish4n10/spliler
[INFO] finished tweaking git repo https://github.com/ish4n10/spliler
[INFO] tweaked toml for git repo https://github.com/ish4n10/spliler written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ish4n10/spliler on toolchain db823df02fd0c2cf67b43025ac3fef3f2d743245
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ish4n10/spliler 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" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/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@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 16ba05272e1234cc77cf342d77cba991308feddfb9b66e27126fe6496e770d7d
[INFO] running `Command { std: "docker" "start" "-a" "16ba05272e1234cc77cf342d77cba991308feddfb9b66e27126fe6496e770d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "16ba05272e1234cc77cf342d77cba991308feddfb9b66e27126fe6496e770d7d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "16ba05272e1234cc77cf342d77cba991308feddfb9b66e27126fe6496e770d7d", kill_on_drop: false }`
[INFO] [stdout] 16ba05272e1234cc77cf342d77cba991308feddfb9b66e27126fe6496e770d7d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 37ec5891dac5b96d99d9f51546cb6840223a2441b048b19bd56eeb0c9c602e5b
[INFO] running `Command { std: "docker" "start" "-a" "37ec5891dac5b96d99d9f51546cb6840223a2441b048b19bd56eeb0c9c602e5b", kill_on_drop: false }`
[INFO] [stderr]    Compiling nasm-rs v0.3.0
[INFO] [stderr]    Compiling simple-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `invalid` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     invalid,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Invalid`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r8` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     r8,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `R8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r9` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     r9,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `R9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r10` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     r10,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `R10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r11` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     r11,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `R11`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use codegen::cpu::instructions::{self, InstructionList};
[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: `value`
[INFO] [stdout]   --> src/codegen/cpu/registers.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn alloc_register(&mut self, value: i64) -> Option<&RegisterImpl> {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `invalid` is never constructed
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum RegisterList {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     invalid,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RegisterList` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_empty` is never used
[INFO] [stdout]   --> src/codegen/cpu/registers.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl RegisterImpl {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn create_empty() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `free_all` is never used
[INFO] [stdout]   --> src/codegen/cpu/registers.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Registers {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn free_all(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 1.10s
[INFO] running `Command { std: "docker" "inspect" "37ec5891dac5b96d99d9f51546cb6840223a2441b048b19bd56eeb0c9c602e5b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "37ec5891dac5b96d99d9f51546cb6840223a2441b048b19bd56eeb0c9c602e5b", kill_on_drop: false }`
[INFO] [stdout] 37ec5891dac5b96d99d9f51546cb6840223a2441b048b19bd56eeb0c9c602e5b
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 64896b983d30e3df225e21767452fb6d008b6400cfbffd19079e522b5ae50076
[INFO] running `Command { std: "docker" "start" "-a" "64896b983d30e3df225e21767452fb6d008b6400cfbffd19079e522b5ae50076", kill_on_drop: false }`
[INFO] [stderr]    Compiling simple-compiler v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant `invalid` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 |     invalid,
[INFO] [stdout]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Invalid`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r8` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 |     r8,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `R8`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r9` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:5:5
[INFO] [stdout]   |
[INFO] [stdout] 5 |     r9,
[INFO] [stdout]   |     ^^ help: convert the identifier to upper camel case: `R9`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r10` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     r10,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `R10`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `r11` should have an upper camel case name
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     r11,
[INFO] [stdout]   |     ^^^ help: convert the identifier to upper camel case: `R11`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `self`
[INFO] [stdout]  --> src/main.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 | use codegen::cpu::instructions::{self, InstructionList};
[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: `value`
[INFO] [stdout]   --> src/codegen/cpu/registers.rs:79:38
[INFO] [stdout]    |
[INFO] [stdout] 79 |     pub fn alloc_register(&mut self, value: i64) -> Option<&RegisterImpl> {
[INFO] [stdout]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `invalid` is never constructed
[INFO] [stdout]  --> src/codegen/cpu/registers.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | pub enum RegisterList {
[INFO] [stdout]   |          ------------ variant in this enum
[INFO] [stdout] 3 |     invalid,
[INFO] [stdout]   |     ^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `RegisterList` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `create_empty` is never used
[INFO] [stdout]   --> src/codegen/cpu/registers.rs:31:12
[INFO] [stdout]    |
[INFO] [stdout] 30 | impl RegisterImpl {
[INFO] [stdout]    | ----------------- associated function in this implementation
[INFO] [stdout] 31 |     pub fn create_empty() -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `free_all` is never used
[INFO] [stdout]   --> src/codegen/cpu/registers.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl Registers {
[INFO] [stdout]    | -------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 65 |     pub fn free_all(&mut self) {
[INFO] [stdout]    |            ^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.35s
[INFO] running `Command { std: "docker" "inspect" "64896b983d30e3df225e21767452fb6d008b6400cfbffd19079e522b5ae50076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "64896b983d30e3df225e21767452fb6d008b6400cfbffd19079e522b5ae50076", kill_on_drop: false }`
[INFO] [stdout] 64896b983d30e3df225e21767452fb6d008b6400cfbffd19079e522b5ae50076
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:845e597a41426bbf2703be69acdb67d10b6de511142d05cba7bbe119c898b2c7" "/opt/rustwide/cargo-home/bin/cargo" "+db823df02fd0c2cf67b43025ac3fef3f2d743245" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] fe651d2ba331a350f88ad75ab277326acbb8e0f87063bdf37564731561b6c2d8
[INFO] running `Command { std: "docker" "start" "-a" "fe651d2ba331a350f88ad75ab277326acbb8e0f87063bdf37564731561b6c2d8", kill_on_drop: false }`
[INFO] [stderr] warning: variant `invalid` should have an upper camel case name
[INFO] [stderr]  --> src/codegen/cpu/registers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 3 |     invalid,
[INFO] [stderr]   |     ^^^^^^^ help: convert the identifier to upper camel case (notice the capitalization): `Invalid`
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(non_camel_case_types)]` (part of `#[warn(nonstandard_style)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r8` should have an upper camel case name
[INFO] [stderr]  --> src/codegen/cpu/registers.rs:4:5
[INFO] [stderr]   |
[INFO] [stderr] 4 |     r8,
[INFO] [stderr]   |     ^^ help: convert the identifier to upper camel case: `R8`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r9` should have an upper camel case name
[INFO] [stderr]  --> src/codegen/cpu/registers.rs:5:5
[INFO] [stderr]   |
[INFO] [stderr] 5 |     r9,
[INFO] [stderr]   |     ^^ help: convert the identifier to upper camel case: `R9`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r10` should have an upper camel case name
[INFO] [stderr]  --> src/codegen/cpu/registers.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     r10,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `R10`
[INFO] [stderr] 
[INFO] [stderr] warning: variant `r11` should have an upper camel case name
[INFO] [stderr]  --> src/codegen/cpu/registers.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     r11,
[INFO] [stderr]   |     ^^^ help: convert the identifier to upper camel case: `R11`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `self`
[INFO] [stderr]  --> src/main.rs:9:34
[INFO] [stderr]   |
[INFO] [stderr] 9 | use codegen::cpu::instructions::{self, InstructionList};
[INFO] [stderr]   |                                  ^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `value`
[INFO] [stderr]   --> src/codegen/cpu/registers.rs:79:38
[INFO] [stderr]    |
[INFO] [stderr] 79 |     pub fn alloc_register(&mut self, value: i64) -> Option<&RegisterImpl> {
[INFO] [stderr]    |                                      ^^^^^ help: if this is intentional, prefix it with an underscore: `_value`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: variant `invalid` is never constructed
[INFO] [stderr]  --> src/codegen/cpu/registers.rs:3:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | pub enum RegisterList {
[INFO] [stderr]   |          ------------ variant in this enum
[INFO] [stderr] 3 |     invalid,
[INFO] [stderr]   |     ^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `RegisterList` has derived impls for the traits `Debug` and `Clone`, but these are intentionally ignored during dead code analysis
[INFO] [stderr]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `create_empty` is never used
[INFO] [stderr]   --> src/codegen/cpu/registers.rs:31:12
[INFO] [stderr]    |
[INFO] [stderr] 30 | impl RegisterImpl {
[INFO] [stderr]    | ----------------- associated function in this implementation
[INFO] [stderr] 31 |     pub fn create_empty() -> Self {
[INFO] [stderr]    |            ^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: method `free_all` is never used
[INFO] [stderr]   --> src/codegen/cpu/registers.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 41 | impl Registers {
[INFO] [stderr]    | -------------- method in this implementation
[INFO] [stderr] ...
[INFO] [stderr] 65 |     pub fn free_all(&mut self) {
[INFO] [stderr]    |            ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `simple-compiler` (bin "simple-compiler" test) generated 10 warnings (run `cargo fix --bin "simple-compiler" -p simple-compiler --tests` to apply 2 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.02s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/simple_compiler-ae4bb6298c97ca63)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "fe651d2ba331a350f88ad75ab277326acbb8e0f87063bdf37564731561b6c2d8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe651d2ba331a350f88ad75ab277326acbb8e0f87063bdf37564731561b6c2d8", kill_on_drop: false }`
[INFO] [stdout] fe651d2ba331a350f88ad75ab277326acbb8e0f87063bdf37564731561b6c2d8
