[INFO] cloning repository https://github.com/datara-lang/datara
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/datara-lang/datara" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatara-lang%2Fdatara", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatara-lang%2Fdatara'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 908f08795eed0184431bc296bf8f8c72af464e63
[INFO] checking datara-lang/datara against 3154cc1a3e6424e44f438a95007d043ed5ceaaf6+rustflags=-Znext-solver=coherence for pr-133502-30
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdatara-lang%2Fdatara" "/workspace/builds/worker-3-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3-tc1/source'...
[INFO] [stderr] done.
[INFO] started tweaking git repo https://github.com/datara-lang/datara
[INFO] finished tweaking git repo https://github.com/datara-lang/datara
[INFO] tweaked toml for git repo https://github.com/datara-lang/datara written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] validating manifest of git repo https://github.com/datara-lang/datara on toolchain 3154cc1a3e6424e44f438a95007d043ed5ceaaf6
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate git repo https://github.com/datara-lang/datara 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" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | homepage = "https://github.com/datara-lang/datara"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 | repository = "https://github.com/datara-lang/datara"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `forgen` (manifest) generated 1 warning
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded ct-codecs v1.1.7
[INFO] [stderr]   Downloaded ed25519-compact v2.4.2
[INFO] [stderr]   Downloaded wasmparser v0.221.3
[INFO] [stderr]   Downloaded cranelift-module v0.134.4
[INFO] [stderr]   Downloaded cranelift-control v0.134.4
[INFO] [stderr]   Downloaded cranelift-object v0.134.4
[INFO] [stderr]   Downloaded wasmtime-internal-core v47.0.4
[INFO] [stderr]   Downloaded cranelift-entity v0.134.4
[INFO] [stderr]   Downloaded cranelift-codegen-shared v0.134.4
[INFO] [stderr]   Downloaded cranelift-assembler-x64-meta v0.134.4
[INFO] [stderr]   Downloaded cranelift-bforest v0.134.4
[INFO] [stderr]   Downloaded cranelift-frontend v0.134.4
[INFO] [stderr]   Downloaded cranelift-bitset v0.134.4
[INFO] [stderr]   Downloaded cranelift-codegen-meta v0.134.4
[INFO] [stderr]   Downloaded cranelift-native v0.134.4
[INFO] [stderr]   Downloaded cranelift-isle v0.134.4
[INFO] [stderr]   Downloaded cranelift-srcgen v0.134.4
[INFO] [stderr]   Downloaded region v3.0.2
[INFO] [stderr]   Downloaded cranelift-jit v0.134.4
[INFO] [stderr]   Downloaded cranelift-assembler-x64 v0.134.4
[INFO] [stderr]   Downloaded cranelift-codegen v0.134.4
[INFO] [stderr]   Downloaded wasmtime-internal-jit-icache-coherence v47.0.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3
[INFO] running `Command { std: "docker" "start" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid -Znext-solver=coherence" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-w" "/opt/rustwide/workdir" "--user" "0:0" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3" "/opt/rustwide/cargo-home/bin/cargo" "+3154cc1a3e6424e44f438a95007d043ed5ceaaf6" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] warning: `package.homepage` is redundant with `package.repository`
[INFO] [stderr]   --> Cargo.toml:71:12
[INFO] [stderr]    |
[INFO] [stderr] 71 | homepage = "https://github.com/datara-lang/datara"
[INFO] [stderr]    |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] ...
[INFO] [stderr] 76 | repository = "https://github.com/datara-lang/datara"
[INFO] [stderr]    |              ---------------------------------------
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::redundant_homepage` is set to `warn` by default
[INFO] [stderr] help: consider removing `package.homepage`
[INFO] [stderr] warning: `forgen` (manifest) generated 1 warning
[INFO] [stderr]     Checking hashbrown v0.17.1
[INFO] [stderr]    Compiling cranelift-srcgen v0.134.4
[INFO] [stderr]    Compiling wasmtime-internal-core v47.0.4
[INFO] [stderr]    Compiling syn v3.0.4
[INFO] [stderr]    Compiling cranelift-isle v0.134.4
[INFO] [stderr]    Compiling cranelift-codegen-shared v0.134.4
[INFO] [stderr]    Compiling serde v1.0.229
[INFO] [stderr]     Checking rustc-hash v2.1.3
[INFO] [stderr]     Checking smallvec v1.15.2
[INFO] [stderr]     Checking cranelift-control v0.134.4
[INFO] [stderr]    Compiling getrandom v0.4.3
[INFO] [stderr]    Compiling anyhow v1.0.104
[INFO] [stderr]    Compiling crc32fast v1.5.1
[INFO] [stderr]    Compiling cranelift-assembler-x64-meta v0.134.4
[INFO] [stderr]    Compiling object v0.39.1
[INFO] [stderr]    Compiling cc v1.4.4
[INFO] [stderr]    Compiling syn v2.0.119
[INFO] [stderr]     Checking winnow v0.7.15
[INFO] [stderr]     Checking indexmap v2.14.1
[INFO] [stderr]     Checking cranelift-bitset v0.134.4
[INFO] [stderr]     Checking cranelift-entity v0.134.4
[INFO] [stderr]     Checking gimli v0.33.0
[INFO] [stderr]     Checking cranelift-bforest v0.134.4
[INFO] [stderr]    Compiling cranelift-codegen-meta v0.134.4
[INFO] [stderr]     Checking regalloc2 v0.15.2
[INFO] [stderr]    Compiling forgen v1.4.5 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling cranelift-assembler-x64 v0.134.4
[INFO] [stderr]    Compiling serde_derive v1.0.229
[INFO] [stderr]     Checking wasmtime-internal-jit-icache-coherence v47.0.4
[INFO] [stderr]     Checking region v3.0.2
[INFO] [stderr]    Compiling zerocopy v0.8.56
[INFO] [stderr]     Checking memmap2 v0.9.11
[INFO] [stderr]     Checking ct-codecs v1.1.7
[INFO] [stderr]     Checking ed25519-compact v2.4.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.9.21
[INFO] [stderr]     Checking either v1.18.0
[INFO] [stderr]     Checking crossbeam-deque v0.8.8
[INFO] [stderr]    Compiling cranelift-codegen v0.134.4
[INFO] [stderr]     Checking ciborium-io v0.2.2
[INFO] [stderr]     Checking plotters-backend v0.3.7
[INFO] [stderr]     Checking tempfile v3.27.0
[INFO] [stderr]     Checking plotters-svg v0.3.7
[INFO] [stderr]     Checking clap_builder v4.6.6
[INFO] [stderr]     Checking rayon-core v1.13.0
[INFO] [stderr]    Compiling zerocopy-derive v0.8.56
[INFO] [stderr]     Checking itertools v0.10.5
[INFO] [stderr]     Checking regex-automata v0.4.18
[INFO] [stderr]     Checking cast v0.3.0
[INFO] [stderr]     Checking serde_spanned v0.6.9
[INFO] [stderr]     Checking toml_datetime v0.6.11
[INFO] [stderr]    Compiling wasmparser v0.221.3
[INFO] [stderr]     Checking toml_edit v0.22.27
[INFO] [stderr]     Checking rusty-fork v0.3.1
[INFO] [stderr]     Checking criterion-plot v0.5.0
[INFO] [stderr]     Checking tinytemplate v1.2.1
[INFO] [stderr]     Checking hashbrown v0.15.5
[INFO] [stderr]     Checking clap v4.6.6
[INFO] [stderr]     Checking rayon v1.12.0
[INFO] [stderr]     Checking plotters v0.3.7
[INFO] [stderr]     Checking regex v1.13.1
[INFO] [stderr]     Checking rand_xorshift v0.4.0
[INFO] [stderr]     Checking toml v0.8.23
[INFO] [stderr]     Checking rand v0.9.5
[INFO] [stderr]     Checking is-terminal v0.4.17
[INFO] [stderr]     Checking anes v0.1.6
[INFO] [stderr]     Checking oorandom v11.1.5
[INFO] [stderr]     Checking semver v1.0.28
[INFO] [stderr]     Checking half v2.7.1
[INFO] [stderr]     Checking ppv-lite86 v0.2.21
[INFO] [stderr]     Checking ciborium-ll v0.2.2
[INFO] [stderr]     Checking rand_chacha v0.9.0
[INFO] [stderr]     Checking ciborium v0.2.2
[INFO] [stderr]     Checking proptest v1.11.0
[INFO] [stderr]     Checking criterion v0.5.1
[INFO] [stderr] warning: forgen@1.4.5: Failed to create runtime/ mirror directory: Read-only file system (os error 30)
[INFO] [stderr]     Checking cranelift-module v0.134.4
[INFO] [stderr]     Checking cranelift-native v0.134.4
[INFO] [stderr]     Checking cranelift-frontend v0.134.4
[INFO] [stderr]     Checking cranelift-object v0.134.4
[INFO] [stderr]     Checking cranelift-jit v0.134.4
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]    --> src/codegen/cranelift/jit.rs:414:5
[INFO] [stdout]     |
[INFO] [stdout] 414 |     fn malloc(size: usize) -> *mut u8;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]                found `unsafe extern "C" fn(usize) -> *mut u8`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout]     = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stdout]    --> src/codegen/cranelift/jit.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn free(ptr: *mut u8);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stdout]                found `unsafe extern "C" fn(*mut u8)`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]    --> src/codegen/cranelift/jit.rs:414:5
[INFO] [stdout]     |
[INFO] [stdout] 414 |     fn malloc(size: usize) -> *mut u8;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]                found `unsafe extern "C" fn(usize) -> *mut u8`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout]     = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stdout]    --> src/codegen/cranelift/jit.rs:415:5
[INFO] [stdout]     |
[INFO] [stdout] 415 |     fn free(ptr: *mut u8);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stdout]                found `unsafe extern "C" fn(*mut u8)`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]    --> tests/test_phase13_allocator_and_sso.rs:242:5
[INFO] [stdout]     |
[INFO] [stdout] 242 |     fn libc_malloc(size: usize) -> *mut u8;
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]                found `unsafe extern "C" fn(usize) -> *mut u8`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout]     = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `free` symbol used by the standard library
[INFO] [stdout]    --> tests/test_phase13_allocator_and_sso.rs:244:5
[INFO] [stdout]     |
[INFO] [stdout] 244 |     fn libc_free(ptr: *mut u8);
[INFO] [stdout]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected `unsafe extern "C" fn(*mut c_void)` (for the current target)
[INFO] [stdout]                found `unsafe extern "C" fn(*mut u8)`
[INFO] [stdout]     = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "free")]`, or `#[link_name = "free"]`
[INFO] [stdout]     = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forgen::codegen::linker::ensure_linker`
[INFO] [stdout]   --> tests/test_cimport_extern_block.rs:27:5
[INFO] [stdout]    |
[INFO] [stdout] 27 | use forgen::codegen::linker::ensure_linker;
[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: `std::path::PathBuf`
[INFO] [stdout]   --> tests/test_cimport_extern_block.rs:29:5
[INFO] [stdout]    |
[INFO] [stdout] 29 | use std::path::PathBuf;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `std::process::Command`
[INFO] [stdout]   --> tests/test_cimport_extern_block.rs:30:5
[INFO] [stdout]    |
[INFO] [stdout] 30 | use std::process::Command;
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `forgen::driver::ForgenCompiler`
[INFO] [stdout]  --> tests/test_cimport_abi.rs:2:5
[INFO] [stdout]   |
[INFO] [stdout] 2 | use forgen::driver::ForgenCompiler;
[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: `PathBuf`
[INFO] [stdout]  --> tests/test_cimport_abi.rs:3:23
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::path::{Path, PathBuf};
[INFO] [stdout]   |                       ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile_c_fixture_to_lib` is never used
[INFO] [stdout]  --> tests/test_cimport_abi.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn compile_c_fixture_to_lib(c_src: &Path, out_lib: &Path) -> Result<(), String> {
[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 import: `PathBuf`
[INFO] [stdout]   --> tests/test_sret_abi.rs:26:23
[INFO] [stdout]    |
[INFO] [stdout] 26 | use std::path::{Path, PathBuf};
[INFO] [stdout]    |                       ^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_imports)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile_c_fixture_to_lib` is never used
[INFO] [stdout]   --> tests/test_sret_abi.rs:29:4
[INFO] [stdout]    |
[INFO] [stdout] 29 | fn compile_c_fixture_to_lib(c_src: &Path, out_lib: &Path) -> Result<(), String> {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_rust_fixture_path` is never used
[INFO] [stdout]  --> tests/test_polyglot_hybrid_e2e.rs:6:4
[INFO] [stdout]   |
[INFO] [stdout] 6 | fn get_rust_fixture_path() -> PathBuf {
[INFO] [stdout]   |    ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `get_c_fixture_header` is never used
[INFO] [stdout]   --> tests/test_polyglot_hybrid_e2e.rs:13:4
[INFO] [stdout]    |
[INFO] [stdout] 13 | fn get_c_fixture_header() -> PathBuf {
[INFO] [stdout]    |    ^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 2m 43s
[INFO] running `Command { std: "docker" "inspect" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3", kill_on_drop: false }`
[INFO] [stdout] 9a03f43ed1df87eb2c572872c22561d83ef32c626203abbcda02af4ff25870c3
