[INFO] cloning repository https://github.com/ddmngz/mcc
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ddmngz/mcc" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddmngz%2Fmcc", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddmngz%2Fmcc'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8629add25e8ebc62f7af6fe919f66589bd0e275d
[INFO] checking ddmngz/mcc against try#0611f7de057c584b8771102fde7aed6c70c71d3b for pr-146440
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fddmngz%2Fmcc" "/workspace/builds/worker-7-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7-tc2/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/ddmngz/mcc
[INFO] finished tweaking git repo https://github.com/ddmngz/mcc
[INFO] tweaked toml for git repo https://github.com/ddmngz/mcc written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/ddmngz/mcc on toolchain 0611f7de057c584b8771102fde7aed6c70c71d3b
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/ddmngz/mcc 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" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /workspace/builds/worker-7-tc2/source/mcc/Cargo.toml
[INFO] [stderr] workspace: /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] d62a71e08bb22cd1704b187484c3a340587ed4601fa9fb7b244f0b165a258b8a
[INFO] running `Command { std: "docker" "start" "-a" "d62a71e08bb22cd1704b187484c3a340587ed4601fa9fb7b244f0b165a258b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d62a71e08bb22cd1704b187484c3a340587ed4601fa9fb7b244f0b165a258b8a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d62a71e08bb22cd1704b187484c3a340587ed4601fa9fb7b244f0b165a258b8a", kill_on_drop: false }`
[INFO] [stdout] d62a71e08bb22cd1704b187484c3a340587ed4601fa9fb7b244f0b165a258b8a
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-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:d429b63d4308055ea97f60fb1d3dfca48854a00942f1bd2ad806beaf015945ec" "/opt/rustwide/cargo-home/bin/cargo" "+0611f7de057c584b8771102fde7aed6c70c71d3b" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 5f2dbcc28bde9ab9b025a4661a928ae141139dec0f83ff42c0b033165bbcc4c6
[INFO] running `Command { std: "docker" "start" "-a" "5f2dbcc28bde9ab9b025a4661a928ae141139dec0f83ff42c0b033165bbcc4c6", kill_on_drop: false }`
[INFO] [stderr] warning: profiles for the non root package will be ignored, specify profiles at the workspace root:
[INFO] [stderr] package:   /opt/rustwide/workdir/mcc/Cargo.toml
[INFO] [stderr] workspace: /opt/rustwide/workdir/Cargo.toml
[INFO] [stderr]    Compiling thiserror v2.0.12
[INFO] [stderr]     Checking ast v0.1.0 (/opt/rustwide/workdir/ast)
[INFO] [stderr]     Checking clap_lex v0.7.6
[INFO] [stderr]    Compiling syn v2.0.104
[INFO] [stderr]     Checking clap_builder v4.5.53
[INFO] [stderr]    Compiling thiserror-impl v2.0.12
[INFO] [stderr]    Compiling derive_more-impl v2.0.1
[INFO] [stderr]    Compiling clap_derive v4.5.49
[INFO] [stderr]     Checking derive_more v2.0.1
[INFO] [stderr]     Checking util v0.1.0 (/opt/rustwide/workdir/util)
[INFO] [stderr]     Checking clap v4.5.53
[INFO] [stderr]     Checking asm v0.1.0 (/opt/rustwide/workdir/asm)
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> asm/src/x86.rs:614:31
[INFO] [stdout]     |
[INFO] [stdout] 614 |     pub fn above_dword(&self, target: &Target) -> bool {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ty` is never used
[INFO] [stdout]   --> asm/src/x86.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl BackendSymbol {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 34 |     fn ty(&self) -> Option<AsmType> {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `target`
[INFO] [stdout]    --> asm/src/x86.rs:614:31
[INFO] [stdout]     |
[INFO] [stdout] 614 |     pub fn above_dword(&self, target: &Target) -> bool {
[INFO] [stdout]     |                               ^^^^^^ help: if this is intentional, prefix it with an underscore: `_target`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `ty` is never used
[INFO] [stdout]   --> asm/src/x86.rs:34:8
[INFO] [stdout]    |
[INFO] [stdout] 33 | impl BackendSymbol {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 34 |     fn ty(&self) -> Option<AsmType> {
[INFO] [stdout]    |        ^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Checking mcc v0.1.0 (/opt/rustwide/workdir/mcc)
[INFO] [stdout] warning: unused import: `ast::semantics::Label`
[INFO] [stdout]  --> mcc/src/codegen/tacky_opt.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ast::semantics::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: `HashSet`
[INFO] [stdout]  --> mcc/src/codegen/tacky_opt.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> mcc/src/codegen/tacky_opt/eliminate_unreachable.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Graph, Instruction, Node, NodeId};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `R10`
[INFO] [stdout]  --> mcc/src/codegen/x86_pass.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     op_regs::{self as op, R10},
[INFO] [stdout]   |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::Constant`
[INFO] [stdout]  --> mcc/src/parse.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ast::Constant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Int` and `Long`
[INFO] [stdout]   --> mcc/src/parse.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use ast::{Int, Long};
[INFO] [stdout]    |           ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::semantics::Label`
[INFO] [stdout]  --> mcc/src/codegen/tacky_opt.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 | use ast::semantics::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: `HashSet`
[INFO] [stdout]  --> mcc/src/codegen/tacky_opt.rs:8:33
[INFO] [stdout]   |
[INFO] [stdout] 8 | use std::collections::{HashMap, HashSet};
[INFO] [stdout]   |                                 ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `Node`
[INFO] [stdout]  --> mcc/src/codegen/tacky_opt/eliminate_unreachable.rs:1:33
[INFO] [stdout]   |
[INFO] [stdout] 1 | use super::{Graph, Instruction, Node, NodeId};
[INFO] [stdout]   |                                 ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `R10`
[INFO] [stdout]  --> mcc/src/codegen/x86_pass.rs:2:27
[INFO] [stdout]   |
[INFO] [stdout] 2 |     op_regs::{self as op, R10},
[INFO] [stdout]   |                           ^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `ast::Constant`
[INFO] [stdout]  --> mcc/src/parse.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 | use ast::Constant;
[INFO] [stdout]   |     ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused imports: `Int` and `Long`
[INFO] [stdout]   --> mcc/src/parse.rs:14:11
[INFO] [stdout]    |
[INFO] [stdout] 14 | use ast::{Int, Long};
[INFO] [stdout]    |           ^^^  ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `annot` is never read
[INFO] [stdout]    --> mcc/src/codegen/tacky_opt/cfg.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct Node<T> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 134 |     annot: T,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_exit`, `is_entry`, `annot`, and `annot_mut` are never used
[INFO] [stdout]    --> mcc/src/codegen/tacky_opt/cfg.rs:161:18
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl<T> Node<T> {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub const fn is_exit(&self) -> bool {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub const fn is_entry(&self) -> bool {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     pub const fn annot(&self) -> &T {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub const fn annot_mut(&mut self) -> &mut T {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RuleRes` is never used
[INFO] [stdout]   --> mcc/src/codegen/x86_pass.rs:85:6
[INFO] [stdout]    |
[INFO] [stdout] 85 | type RuleRes = std::result::Result<Op, Op>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unary` is never used
[INFO] [stdout]    --> mcc/src/codegen/x86_pass/rule.rs:299:18
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<'a> PairRule<'a> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     pub const fn unary(rule: OpRule<'a>) -> Self {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DebugStmnt` is never constructed
[INFO] [stdout]    --> mcc/src/parse.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub struct DebugStmnt {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `DebugStmnt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcc` (lib) due to 1 previous error; 10 warnings emitted
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: field `annot` is never read
[INFO] [stdout]    --> mcc/src/codegen/tacky_opt/cfg.rs:134:5
[INFO] [stdout]     |
[INFO] [stdout] 129 | pub struct Node<T> {
[INFO] [stdout]     |            ---- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 134 |     annot: T,
[INFO] [stdout]     |     ^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: methods `is_exit`, `is_entry`, `annot`, and `annot_mut` are never used
[INFO] [stdout]    --> mcc/src/codegen/tacky_opt/cfg.rs:161:18
[INFO] [stdout]     |
[INFO] [stdout] 150 | impl<T> Node<T> {
[INFO] [stdout]     | --------------- methods in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 161 |     pub const fn is_exit(&self) -> bool {
[INFO] [stdout]     |                  ^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 165 |     pub const fn is_entry(&self) -> bool {
[INFO] [stdout]     |                  ^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 169 |     pub const fn annot(&self) -> &T {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 173 |     pub const fn annot_mut(&mut self) -> &mut T {
[INFO] [stdout]     |                  ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: type alias `RuleRes` is never used
[INFO] [stdout]   --> mcc/src/codegen/x86_pass.rs:85:6
[INFO] [stdout]    |
[INFO] [stdout] 85 | type RuleRes = std::result::Result<Op, Op>;
[INFO] [stdout]    |      ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `unary` is never used
[INFO] [stdout]    --> mcc/src/codegen/x86_pass/rule.rs:299:18
[INFO] [stdout]     |
[INFO] [stdout] 137 | impl<'a> PairRule<'a> {
[INFO] [stdout]     | --------------------- associated function in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 299 |     pub const fn unary(rule: OpRule<'a>) -> Self {
[INFO] [stdout]     |                  ^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: struct `DebugStmnt` is never constructed
[INFO] [stdout]    --> mcc/src/parse.rs:337:12
[INFO] [stdout]     |
[INFO] [stdout] 337 | pub struct DebugStmnt {
[INFO] [stdout]     |            ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: this `pub` struct has private fields, no public constructor, and is not otherwise reachable through the external API, so consider providing a public constructor or removing it
[INFO] [stdout]     = note: `DebugStmnt` has a derived impl for the trait `Debug`, but this is intentionally ignored during dead code analysis
[INFO] [stdout]     = note: `#[deny(unused_unconstructable_pub_struct)]` (part of `#[deny(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `mcc` (lib test) due to 1 previous error; 10 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "5f2dbcc28bde9ab9b025a4661a928ae141139dec0f83ff42c0b033165bbcc4c6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5f2dbcc28bde9ab9b025a4661a928ae141139dec0f83ff42c0b033165bbcc4c6", kill_on_drop: false }`
[INFO] [stdout] 5f2dbcc28bde9ab9b025a4661a928ae141139dec0f83ff42c0b033165bbcc4c6
