[INFO] updating cached repository https://github.com/cardinalcat/cppbuild
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 87986a381d059dc692ada34590cc930c6fdab6d6
[INFO] testing cardinalcat/cppbuild against 1.44.0 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcardinalcat%2Fcppbuild" "/workspace/builds/worker-14/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-14/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/cardinalcat/cppbuild on toolchain 1.44.0
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/cardinalcat/cppbuild
[INFO] removed path dependency pkg-config from git repo https://github.com/cardinalcat/cppbuild
[INFO] finished tweaking git repo https://github.com/cardinalcat/cppbuild
[INFO] tweaked toml for git repo https://github.com/cardinalcat/cppbuild written to /workspace/builds/worker-14/source/Cargo.toml
[INFO] crate git repo https://github.com/cardinalcat/cppbuild already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+1.44.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c057a5db8c6543e208afa17b8e9e5af658f3cbfa7c379a5d45262e69aa909078
[INFO] running `"docker" "start" "-a" "c057a5db8c6543e208afa17b8e9e5af658f3cbfa7c379a5d45262e69aa909078"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling smallvec v1.3.0
[INFO] [stderr]    Compiling libflate_lz77 v1.0.0
[INFO] [stderr]    Compiling whoami v0.8.1
[INFO] [stderr]    Compiling rust_info v0.3.0
[INFO] [stderr]    Compiling clang-sys v0.28.1
[INFO] [stderr]    Compiling toml v0.5.6
[INFO] [stderr]    Compiling llvm-sys v100.0.1
[INFO] [stderr]    Compiling serde_json v1.0.52
[INFO] [stderr]    Compiling dirs-sys v0.3.4
[INFO] [stderr]    Compiling tokio v0.2.17
[INFO] [stderr]    Compiling native-tls v0.2.4
[INFO] [stderr]    Compiling tempfile v3.1.0
[INFO] [stderr]    Compiling dirs v2.0.2
[INFO] [stderr]    Compiling unicode-normalization v0.1.12
[INFO] [stderr]    Compiling libflate v1.0.0
[INFO] [stderr]    Compiling idna v0.2.0
[INFO] [stderr]    Compiling clang v0.23.0
[INFO] [stderr]    Compiling url v2.1.1
[INFO] [stderr]    Compiling serde_urlencoded v0.6.1
[INFO] [stderr]    Compiling tokio-util v0.3.1
[INFO] [stderr]    Compiling tokio-tls v0.3.0
[INFO] [stderr]    Compiling h2 v0.2.4
[INFO] [stderr]    Compiling pin-project-internal v0.4.8
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling pin-project v0.4.8
[INFO] [stderr]    Compiling hyper v0.13.4
[INFO] [stderr]    Compiling hyper-tls v0.4.1
[INFO] [stderr]    Compiling reqwest v0.10.4
[INFO] [stderr]    Compiling cppbuild v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::*`
[INFO] [stderr]  --> src/runtime.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm_sys::core::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/runtime.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut engine = mem::uninitialized();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errorcode`
[INFO] [stderr]   --> src/runtime.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let errorcode = LLVMCreateExecutionEngineForModule(&mut engine, module, &mut err);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errorcode`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `engine`
[INFO] [stderr]  --> src/runtime.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     engine: *mut LLVMExecutionEngineRef,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `err`
[INFO] [stderr]  --> src/runtime.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     err: *mut *mut c_char,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `compiler`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use compiler::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 27s
[INFO] running `"docker" "inspect" "c057a5db8c6543e208afa17b8e9e5af658f3cbfa7c379a5d45262e69aa909078"`
[INFO] running `"docker" "rm" "-f" "c057a5db8c6543e208afa17b8e9e5af658f3cbfa7c379a5d45262e69aa909078"`
[INFO] [stdout] c057a5db8c6543e208afa17b8e9e5af658f3cbfa7c379a5d45262e69aa909078
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen" "--no-run"`
[INFO] [stdout] 4d55b676e6f0f641740f9245216185f53b0b62f2618c9145c63d0bbdd1b737fa
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "4d55b676e6f0f641740f9245216185f53b0b62f2618c9145c63d0bbdd1b737fa"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling cppbuild v0.1.1 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::*`
[INFO] [stderr]  --> src/runtime.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm_sys::core::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/runtime.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut engine = mem::uninitialized();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errorcode`
[INFO] [stderr]   --> src/runtime.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let errorcode = LLVMCreateExecutionEngineForModule(&mut engine, module, &mut err);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errorcode`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `engine`
[INFO] [stderr]  --> src/runtime.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     engine: *mut LLVMExecutionEngineRef,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `err`
[INFO] [stderr]  --> src/runtime.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     err: *mut *mut c_char,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::*`
[INFO] [stderr]  --> src/runtime.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm_sys::core::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/runtime.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut engine = mem::uninitialized();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `compiler`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use compiler::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errorcode`
[INFO] [stderr]   --> src/runtime.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let errorcode = LLVMCreateExecutionEngineForModule(&mut engine, module, &mut err);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errorcode`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `engine`
[INFO] [stderr]  --> src/runtime.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     engine: *mut LLVMExecutionEngineRef,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `err`
[INFO] [stderr]  --> src/runtime.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     err: *mut *mut c_char,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 6.91s
[INFO] running `"docker" "inspect" "4d55b676e6f0f641740f9245216185f53b0b62f2618c9145c63d0bbdd1b737fa"`
[INFO] running `"docker" "rm" "-f" "4d55b676e6f0f641740f9245216185f53b0b62f2618c9145c63d0bbdd1b737fa"`
[INFO] [stdout] 4d55b676e6f0f641740f9245216185f53b0b62f2618c9145c63d0bbdd1b737fa
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-14/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+1.44.0" "test" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0dbfa23dd4f87f148435c41976e22e085d722cddbf3cab22e94ad4f8b971c29d
[INFO] running `"docker" "start" "-a" "0dbfa23dd4f87f148435c41976e22e085d722cddbf3cab22e94ad4f8b971c29d"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::*`
[INFO] [stderr]  --> src/runtime.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm_sys::core::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/runtime.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut engine = mem::uninitialized();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errorcode`
[INFO] [stderr]   --> src/runtime.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let errorcode = LLVMCreateExecutionEngineForModule(&mut engine, module, &mut err);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errorcode`
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `llvm_sys::core::*`
[INFO] [stderr]  --> src/runtime.rs:2:5
[INFO] [stderr]   |
[INFO] [stderr] 2 | use llvm_sys::core::*;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]   --> src/runtime.rs:14:30
[INFO] [stderr]    |
[INFO] [stderr] 14 |             let mut engine = mem::uninitialized();
[INFO] [stderr]    |                              ^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `errorcode`
[INFO] [stderr]   --> src/runtime.rs:15:17
[INFO] [stderr]    |
[INFO] [stderr] 15 |             let errorcode = LLVMCreateExecutionEngineForModule(&mut engine, module, &mut err);
[INFO] [stderr]    |                 ^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_errorcode`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `engine`
[INFO] [stderr]  --> src/runtime.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     engine: *mut LLVMExecutionEngineRef,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `err`
[INFO] [stderr]  --> src/runtime.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     err: *mut *mut c_char,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `engine`
[INFO] [stderr]  --> src/runtime.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     engine: *mut LLVMExecutionEngineRef,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `err`
[INFO] [stderr]  --> src/runtime.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     err: *mut *mut c_char,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 14 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `std::mem`
[INFO] [stderr]  --> src/compiler.rs:1:5
[INFO] [stderr]   |
[INFO] [stderr] 1 | use std::mem;
[INFO] [stderr]   |     ^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `clang::source::Location`
[INFO] [stderr]  --> src/compiler.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 | use clang::source::Location;
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused import: `compiler`
[INFO] [stderr]   --> src/main.rs:10:5
[INFO] [stderr]    |
[INFO] [stderr] 10 | use compiler::*;
[INFO] [stderr]    |     ^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `mode`
[INFO] [stderr]    --> src/program.rs:132:46
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                              ^^^^ help: if this is intentional, prefix it with an underscore: `_mode`
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `file`
[INFO] [stderr]    --> src/program.rs:132:63
[INFO] [stderr]     |
[INFO] [stderr] 132 |     fn create(project: &Project, path: &str, mode: BuildMode, file: Option<&str>) -> Self {
[INFO] [stderr]     |                                                               ^^^^ help: if this is intentional, prefix it with an underscore: `_file`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `entry`
[INFO] [stderr]   --> src/compiler.rs:76:41
[INFO] [stderr]    |
[INFO] [stderr] 76 |     pub fn generate_module<T: ASTEntry>(entry: T){
[INFO] [stderr]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_entry`
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `source_files`
[INFO] [stderr]   --> src/compiler.rs:59:5
[INFO] [stderr]    |
[INFO] [stderr] 59 |     source_files: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `context`
[INFO] [stderr]   --> src/compiler.rs:60:5
[INFO] [stderr]    |
[INFO] [stderr] 60 |     context: LLVMContextRef,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `modules`
[INFO] [stderr]   --> src/compiler.rs:61:5
[INFO] [stderr]    |
[INFO] [stderr] 61 |     modules: Vec<LLVMModuleRef>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never read: `arguments`
[INFO] [stderr]   --> src/compiler.rs:62:5
[INFO] [stderr]    |
[INFO] [stderr] 62 |     arguments: Vec<String>,
[INFO] [stderr]    |     ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: 10 warnings emitted
[INFO] [stderr] 
[INFO] [stderr]     Finished test [unoptimized + debuginfo] target(s) in 0.55s
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cppbuild-fd2523843b75d8b6
[INFO] [stderr]      Running /opt/rustwide/target/debug/deps/cppbuild-26449a86bebab19a
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests cppbuild
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
[INFO] [stdout] 
[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
[INFO] [stdout] 
[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
[INFO] [stdout] 
[INFO] running `"docker" "inspect" "0dbfa23dd4f87f148435c41976e22e085d722cddbf3cab22e94ad4f8b971c29d"`
[INFO] running `"docker" "rm" "-f" "0dbfa23dd4f87f148435c41976e22e085d722cddbf3cab22e94ad4f8b971c29d"`
[INFO] [stdout] 0dbfa23dd4f87f148435c41976e22e085d722cddbf3cab22e94ad4f8b971c29d