[INFO] cloning repository https://github.com/sinexl/exfo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sinexl/exfo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinexl%2Fexfo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinexl%2Fexfo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 61810857afa41c3abed8fd41049a58993c996d4f
[INFO] checking sinexl/exfo against try#95813608313bff49cfc1afc393a946a3c085b772 for pr-148946
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsinexl%2Fexfo" "/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/sinexl/exfo
[INFO] finished tweaking git repo https://github.com/sinexl/exfo
[INFO] tweaked toml for git repo https://github.com/sinexl/exfo written to /workspace/builds/worker-5-tc2/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/sinexl/exfo on toolchain 95813608313bff49cfc1afc393a946a3c085b772
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/sinexl/exfo 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" "+95813608313bff49cfc1afc393a946a3c085b772" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aba10751918b84cc149c41b37ce77e65e1b61943f2e9f4f4055c2c7dd08198ca
[INFO] running `Command { std: "docker" "start" "-a" "aba10751918b84cc149c41b37ce77e65e1b61943f2e9f4f4055c2c7dd08198ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aba10751918b84cc149c41b37ce77e65e1b61943f2e9f4f4055c2c7dd08198ca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aba10751918b84cc149c41b37ce77e65e1b61943f2e9f4f4055c2c7dd08198ca", kill_on_drop: false }`
[INFO] [stdout] aba10751918b84cc149c41b37ce77e65e1b61943f2e9f4f4055c2c7dd08198ca
[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@sha256:4848fb76d95f26979359cc7e45710b1dbc8f3acb7aeedee7c460d7702230f228" "/opt/rustwide/cargo-home/bin/cargo" "+95813608313bff49cfc1afc393a946a3c085b772" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 06cc680e9a550ceef85b45d55c1b6d66a1c6d6b95daacb01494bd97bde810c10
[INFO] running `Command { std: "docker" "start" "-a" "06cc680e9a550ceef85b45d55c1b6d66a1c6d6b95daacb01494bd97bde810c10", kill_on_drop: false }`
[INFO] [stderr]     Checking bumpalo v3.19.0
[INFO] [stderr]    Compiling syn v2.0.106
[INFO] [stderr]     Checking clap_builder v4.5.48
[INFO] [stderr]    Compiling clap_derive v4.5.47
[INFO] [stderr]     Checking clap v4.5.48
[INFO] [stderr]     Checking exfo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `IdentifierBox`
[INFO] [stdout]   --> src/parsing/parser.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::common::{BumpVec, IdentifierBox};
[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: `IdentifierBox`
[INFO] [stdout]   --> src/parsing/parser.rs:12:30
[INFO] [stdout]    |
[INFO] [stdout] 12 | use crate::common::{BumpVec, IdentifierBox};
[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: `body`
[INFO] [stdout]    --> src/analysis/typechecker.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         body: &'ast [&'ast Statement<'ast>],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:277:40
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Arg::StackOffset { offset, size } => {
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:287:36
[INFO] [stdout]     |
[INFO] [stdout] 287 |             Arg::Argument { index, size } => {
[INFO] [stdout]     |                                    ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:314:40
[INFO] [stdout]     |
[INFO] [stdout] 314 |             Arg::StackOffset { offset, size } => {
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:325:36
[INFO] [stdout]     |
[INFO] [stdout] 325 |             Arg::Argument { index, size } => {
[INFO] [stdout]     |                                    ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_type`
[INFO] [stdout]    --> src/compiling/compiler.rs:159:39
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 if let Type::Function(fn_type) = var.ty {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/compiling/ir/printer.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |         Arg::Argument { index, size } => write!(f, "argument[{index}]")?
[INFO] [stdout]     |                                ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parsing/parser.rs:832:17
[INFO] [stdout]     |
[INFO] [stdout] 832 |                 expected,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `got`
[INFO] [stdout]    --> src/parsing/parser.rs:833:17
[INFO] [stdout]     |
[INFO] [stdout] 833 |                 got,
[INFO] [stdout]     |                 ^^^ help: try ignoring the field: `got: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_infer_type` is never used
[INFO] [stdout]    --> src/analysis/typechecker.rs:328:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl<'ast> Typechecker<'ast> {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 328 |     pub fn try_infer_type(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CouldntInferFunctionReturnType` and `FromPrevious` are never constructed
[INFO] [stdout]    --> src/analysis/typechecker.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub enum TypeErrorKind {
[INFO] [stdout]     |          ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 354 |     CouldntInferFunctionReturnType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     FromPrevious,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExpressionVisitor` is never used
[INFO] [stdout]  --> src/ast/traits.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait ExpressionVisitor<R> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `accept` is never used
[INFO] [stdout]  --> src/ast/traits.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Expression<'_> {
[INFO] [stdout]   | ------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn accept<R>(&self, mut visitor: impl ExpressionVisitor<R>) -> R {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StatementVisitor` is never used
[INFO] [stdout]   --> src/ast/traits.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait StatementVisitor<R> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `accept` is never used
[INFO] [stdout]   --> src/ast/traits.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Statement<'_> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 18 |     pub fn accept<R>(&self, mut visitor: impl StatementVisitor<R>) -> R {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rbp` is never constructed
[INFO] [stdout]   --> src/code_generation/register.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Register {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Rbp { offset: usize, size: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` 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: unused variable: `body`
[INFO] [stdout]    --> src/analysis/typechecker.rs:330:9
[INFO] [stdout]     |
[INFO] [stdout] 330 |         body: &'ast [&'ast Statement<'ast>],
[INFO] [stdout]     |         ^^^^ help: if this is intentional, prefix it with an underscore: `_body`
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:277:40
[INFO] [stdout]     |
[INFO] [stdout] 277 |             Arg::StackOffset { offset, size } => {
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:287:36
[INFO] [stdout]     |
[INFO] [stdout] 287 |             Arg::Argument { index, size } => {
[INFO] [stdout]     |                                    ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:314:40
[INFO] [stdout]     |
[INFO] [stdout] 314 |             Arg::StackOffset { offset, size } => {
[INFO] [stdout]     |                                        ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/code_generation/codegen.rs:325:36
[INFO] [stdout]     |
[INFO] [stdout] 325 |             Arg::Argument { index, size } => {
[INFO] [stdout]     |                                    ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `fn_type`
[INFO] [stdout]    --> src/compiling/compiler.rs:159:39
[INFO] [stdout]     |
[INFO] [stdout] 159 |                 if let Type::Function(fn_type) = var.ty {
[INFO] [stdout]     |                                       ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_fn_type`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `size`
[INFO] [stdout]    --> src/compiling/ir/printer.rs:100:32
[INFO] [stdout]     |
[INFO] [stdout] 100 |         Arg::Argument { index, size } => write!(f, "argument[{index}]")?
[INFO] [stdout]     |                                ^^^^ help: try ignoring the field: `size: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `expected`
[INFO] [stdout]    --> src/parsing/parser.rs:832:17
[INFO] [stdout]     |
[INFO] [stdout] 832 |                 expected,
[INFO] [stdout]     |                 ^^^^^^^^ help: try ignoring the field: `expected: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `got`
[INFO] [stdout]    --> src/parsing/parser.rs:833:17
[INFO] [stdout]     |
[INFO] [stdout] 833 |                 got,
[INFO] [stdout]     |                 ^^^ help: try ignoring the field: `got: _`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `try_infer_type` is never used
[INFO] [stdout]    --> src/analysis/typechecker.rs:328:12
[INFO] [stdout]     |
[INFO] [stdout]  36 | impl<'ast> Typechecker<'ast> {
[INFO] [stdout]     | ---------------------------- method in this implementation
[INFO] [stdout] ...
[INFO] [stdout] 328 |     pub fn try_infer_type(
[INFO] [stdout]     |            ^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variants `CouldntInferFunctionReturnType` and `FromPrevious` are never constructed
[INFO] [stdout]    --> src/analysis/typechecker.rs:354:5
[INFO] [stdout]     |
[INFO] [stdout] 340 | pub enum TypeErrorKind {
[INFO] [stdout]     |          ------------- variants in this enum
[INFO] [stdout] ...
[INFO] [stdout] 354 |     CouldntInferFunctionReturnType,
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] ...
[INFO] [stdout] 357 |     FromPrevious,
[INFO] [stdout]     |     ^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `ExpressionVisitor` is never used
[INFO] [stdout]  --> src/ast/traits.rs:4:11
[INFO] [stdout]   |
[INFO] [stdout] 4 | pub trait ExpressionVisitor<R> {
[INFO] [stdout]   |           ^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `accept` is never used
[INFO] [stdout]  --> src/ast/traits.rs:9:12
[INFO] [stdout]   |
[INFO] [stdout] 8 | impl Expression<'_> {
[INFO] [stdout]   | ------------------- method in this implementation
[INFO] [stdout] 9 |     pub fn accept<R>(&self, mut visitor: impl ExpressionVisitor<R>) -> R {
[INFO] [stdout]   |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait `StatementVisitor` is never used
[INFO] [stdout]   --> src/ast/traits.rs:13:11
[INFO] [stdout]    |
[INFO] [stdout] 13 | pub trait StatementVisitor<R> {
[INFO] [stdout]    |           ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: method `accept` is never used
[INFO] [stdout]   --> src/ast/traits.rs:18:12
[INFO] [stdout]    |
[INFO] [stdout] 17 | impl Statement<'_> {
[INFO] [stdout]    | ------------------ method in this implementation
[INFO] [stdout] 18 |     pub fn accept<R>(&self, mut visitor: impl StatementVisitor<R>) -> R {
[INFO] [stdout]    |            ^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant `Rbp` is never constructed
[INFO] [stdout]   --> src/code_generation/register.rs:13:5
[INFO] [stdout]    |
[INFO] [stdout]  4 | pub enum Register {
[INFO] [stdout]    |          -------- variant in this enum
[INFO] [stdout] ...
[INFO] [stdout] 13 |     Rbp { offset: usize, size: usize },
[INFO] [stdout]    |     ^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `Register` has derived impls for the traits `Clone` and `Debug`, but these are intentionally ignored during dead code analysis
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 7.44s
[INFO] running `Command { std: "docker" "inspect" "06cc680e9a550ceef85b45d55c1b6d66a1c6d6b95daacb01494bd97bde810c10", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "06cc680e9a550ceef85b45d55c1b6d66a1c6d6b95daacb01494bd97bde810c10", kill_on_drop: false }`
[INFO] [stdout] 06cc680e9a550ceef85b45d55c1b6d66a1c6d6b95daacb01494bd97bde810c10
