[INFO] cloning repository https://github.com/rokkunbruv/Exu
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rokkunbruv/Exu" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frokkunbruv%2FExu", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frokkunbruv%2FExu'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 4f98fc312779e75130ec41b4e5b3e9180f986bc4
[INFO] checking rokkunbruv/Exu against master#57f772f25c5ce2bd870d6f8c3ab318eaee5a3326 for pr-133502-22
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frokkunbruv%2FExu" "/workspace/builds/worker-1-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/rokkunbruv/Exu
[INFO] finished tweaking git repo https://github.com/rokkunbruv/Exu
[INFO] tweaked toml for git repo https://github.com/rokkunbruv/Exu written to /workspace/builds/worker-1-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/rokkunbruv/Exu on toolchain 57f772f25c5ce2bd870d6f8c3ab318eaee5a3326
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/rokkunbruv/Exu 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" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cc v1.2.29
[INFO] [stderr]   Downloaded ariadne v0.5.1
[INFO] [stderr]   Downloaded chumsky v0.10.1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ddc5ac33a96fcb7e603c5142737d574d5ba15f83804e0a4a7b964f089dea5ef2
[INFO] running `Command { std: "docker" "start" "-a" "ddc5ac33a96fcb7e603c5142737d574d5ba15f83804e0a4a7b964f089dea5ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ddc5ac33a96fcb7e603c5142737d574d5ba15f83804e0a4a7b964f089dea5ef2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ddc5ac33a96fcb7e603c5142737d574d5ba15f83804e0a4a7b964f089dea5ef2", kill_on_drop: false }`
[INFO] [stdout] ddc5ac33a96fcb7e603c5142737d574d5ba15f83804e0a4a7b964f089dea5ef2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+57f772f25c5ce2bd870d6f8c3ab318eaee5a3326" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] bd04f9b3742f063b5586c75dbc33db5024ee661e51e58d8a308fb76e7b669480
[INFO] running `Command { std: "docker" "start" "-a" "bd04f9b3742f063b5586c75dbc33db5024ee661e51e58d8a308fb76e7b669480", kill_on_drop: false }`
[INFO] [stderr]    Compiling cc v1.2.29
[INFO] [stderr]    Compiling chumsky v0.10.1
[INFO] [stderr]     Checking hashbrown v0.15.4
[INFO] [stderr]     Checking unicode-ident v1.0.18
[INFO] [stderr]     Checking ariadne v0.5.1
[INFO] [stderr]    Compiling psm v0.1.26
[INFO] [stderr]    Compiling stacker v0.1.21
[INFO] [stderr]     Checking Exu v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `chumsky::label`
[INFO] [stdout]  --> src/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chumsky::label;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `chumsky::label`
[INFO] [stdout]  --> src/compiler.rs:1:5
[INFO] [stdout]   |
[INFO] [stdout] 1 | use chumsky::label;
[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: `global_fn_addr`
[INFO] [stdout]    --> src/compiler.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let global_fn_addr = self.curr_addr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_fn_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/compiler.rs:509:17
[INFO] [stdout]     |
[INFO] [stdout] 509 |                 name,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/compiler.rs:510:17
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 params,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_type`
[INFO] [stdout]    --> src/compiler.rs:511:17
[INFO] [stdout]     |
[INFO] [stdout] 511 |                 ret_type,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `ret_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/compiler.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `global_fn_addr`
[INFO] [stdout]    --> src/compiler.rs:286:13
[INFO] [stdout]     |
[INFO] [stdout] 286 |         let global_fn_addr = self.curr_addr;
[INFO] [stdout]     |             ^^^^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_global_fn_addr`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `name`
[INFO] [stdout]    --> src/compiler.rs:509:17
[INFO] [stdout]     |
[INFO] [stdout] 509 |                 name,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `name: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `params`
[INFO] [stdout]    --> src/compiler.rs:510:17
[INFO] [stdout]     |
[INFO] [stdout] 510 |                 params,
[INFO] [stdout]     |                 ^^^^^^ help: try ignoring the field: `params: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `ret_type`
[INFO] [stdout]    --> src/compiler.rs:511:17
[INFO] [stdout]     |
[INFO] [stdout] 511 |                 ret_type,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `ret_type: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `body`
[INFO] [stdout]    --> src/compiler.rs:512:17
[INFO] [stdout]     |
[INFO] [stdout] 512 |                 body,
[INFO] [stdout]     |                 ^^^^ help: try ignoring the field: `body: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PLACEHOLDER_ADDRESS` is never used
[INFO] [stdout]   --> src/compiler.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const PLACEHOLDER_ADDRESS: Address = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `local_fn_mode` is never used
[INFO] [stdout]   --> src/compiler.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl CompileContext {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn local_fn_mode(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/compiler.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl LabelFixup {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 71 |     pub fn new(label: String, load_reg: Register, load_label_addr_instr_offset: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `call_stack` is never read
[INFO] [stdout]    --> src/compiler.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout]  86 | pub struct Compiler<'prog> {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |     call_stack: Vec<Register>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `compile_function`, `save_upvalues`, `begin_call`, `end_call`, and `use_curr_addr` are never used
[INFO] [stdout]     --> src/compiler.rs:911:8
[INFO] [stdout]      |
[INFO] [stdout]  118 | impl<'prog> Compiler<'prog> {
[INFO] [stdout]      | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  911 |     fn compile_function(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1038 |     fn save_upvalues(&self, start_addr: &Address) -> Vec<Instr<'prog>> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1081 |     fn begin_call(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1087 |     fn end_call(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1175 |     fn use_curr_addr(&mut self) -> Address {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Store` and `JmpLabel` are never constructed
[INFO] [stdout]    --> src/instruction.rs:27:5
[INFO] [stdout]     |
[INFO] [stdout]   5 | pub enum Instr<'a> {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  27 |     Store {
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     JmpLabel {
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_instrs` is never used
[INFO] [stdout]   --> src/object.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Func<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn load_instrs(&mut self, instrs: Vec<Instr<'a>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Label` is never used
[INFO] [stdout]  --> src/vm.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Label<'prog> = &'prog str;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: constant `PLACEHOLDER_ADDRESS` is never used
[INFO] [stdout]   --> src/compiler.rs:28:7
[INFO] [stdout]    |
[INFO] [stdout] 28 | const PLACEHOLDER_ADDRESS: Address = 0;
[INFO] [stdout]    |       ^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `local_fn_mode` is never used
[INFO] [stdout]   --> src/compiler.rs:51:12
[INFO] [stdout]    |
[INFO] [stdout] 41 | impl CompileContext {
[INFO] [stdout]    | ------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 51 |     pub fn local_fn_mode(mut self) -> Self {
[INFO] [stdout]    |            ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `new` is never used
[INFO] [stdout]   --> src/compiler.rs:71:12
[INFO] [stdout]    |
[INFO] [stdout] 70 | impl LabelFixup {
[INFO] [stdout]    | --------------- associated function in this implementation
[INFO] [stdout] 71 |     pub fn new(label: String, load_reg: Register, load_label_addr_instr_offset: usize) -> Self {
[INFO] [stdout]    |            ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `call_stack` is never read
[INFO] [stdout]    --> src/compiler.rs:106:5
[INFO] [stdout]     |
[INFO] [stdout]  86 | pub struct Compiler<'prog> {
[INFO] [stdout]     |            -------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 106 |     call_stack: Vec<Register>,
[INFO] [stdout]     |     ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `compile_function`, `save_upvalues`, `begin_call`, `end_call`, and `use_curr_addr` are never used
[INFO] [stdout]     --> src/compiler.rs:911:8
[INFO] [stdout]      |
[INFO] [stdout]  118 | impl<'prog> Compiler<'prog> {
[INFO] [stdout]      | --------------------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout]  911 |     fn compile_function(
[INFO] [stdout]      |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1038 |     fn save_upvalues(&self, start_addr: &Address) -> Vec<Instr<'prog>> {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1081 |     fn begin_call(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1087 |     fn end_call(&mut self) {
[INFO] [stdout]      |        ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 1175 |     fn use_curr_addr(&mut self) -> Address {
[INFO] [stdout]      |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `Store` and `JmpLabel` are never constructed
[INFO] [stdout]    --> src/instruction.rs:27:5
[INFO] [stdout]     |
[INFO] [stdout]   5 | pub enum Instr<'a> {
[INFO] [stdout]     |          ----- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout]  27 |     Store {
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 120 |     JmpLabel {
[INFO] [stdout]     |     ^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `Instr` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `load_instrs` is never used
[INFO] [stdout]   --> src/object.rs:39:12
[INFO] [stdout]    |
[INFO] [stdout] 19 | impl<'a> Func<'a> {
[INFO] [stdout]    | ----------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 39 |     pub fn load_instrs(&mut self, instrs: Vec<Instr<'a>>) {
[INFO] [stdout]    |            ^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `Label` is never used
[INFO] [stdout]  --> src/vm.rs:9:10
[INFO] [stdout]   |
[INFO] [stdout] 9 | pub type Label<'prog> = &'prog str;
[INFO] [stdout]   |          ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 12.96s
[INFO] running `Command { std: "docker" "inspect" "bd04f9b3742f063b5586c75dbc33db5024ee661e51e58d8a308fb76e7b669480", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bd04f9b3742f063b5586c75dbc33db5024ee661e51e58d8a308fb76e7b669480", kill_on_drop: false }`
[INFO] [stdout] bd04f9b3742f063b5586c75dbc33db5024ee661e51e58d8a308fb76e7b669480
