[INFO] fetching crate spbuild 0.3.3...
[INFO] testing spbuild-0.3.3 against try#0abe69e6c16114311cc2700e972492e64d69c28f for pr-154065-1
[INFO] extracting crate spbuild 0.3.3 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate spbuild 0.3.3
[INFO] finished tweaking crates.io crate spbuild 0.3.3
[INFO] tweaked toml for crates.io crate spbuild 0.3.3 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate spbuild 0.3.3 on toolchain 0abe69e6c16114311cc2700e972492e64d69c28f
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate spbuild 0.3.3 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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 07c8d3b6c0e7fa4dbcb5e2a2c853c08c0a9695d86e0f32fe83b5bbf324404ac2
[INFO] running `Command { std: "docker" "start" "-a" "07c8d3b6c0e7fa4dbcb5e2a2c853c08c0a9695d86e0f32fe83b5bbf324404ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "07c8d3b6c0e7fa4dbcb5e2a2c853c08c0a9695d86e0f32fe83b5bbf324404ac2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "07c8d3b6c0e7fa4dbcb5e2a2c853c08c0a9695d86e0f32fe83b5bbf324404ac2", kill_on_drop: false }`
[INFO] [stdout] 07c8d3b6c0e7fa4dbcb5e2a2c853c08c0a9695d86e0f32fe83b5bbf324404ac2
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1bbd3ab7d744a2f664cfa5867dac782631fafd6bf6004b138160eb3d1f8555f8
[INFO] running `Command { std: "docker" "start" "-a" "1bbd3ab7d744a2f664cfa5867dac782631fafd6bf6004b138160eb3d1f8555f8", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v2.0.117
[INFO] [stderr]    Compiling colorchoice v1.0.5
[INFO] [stderr]    Compiling anstyle v1.0.14
[INFO] [stderr]    Compiling anstyle-parse v1.0.0
[INFO] [stderr]    Compiling clap_lex v1.1.0
[INFO] [stderr]    Compiling memchr v2.8.0
[INFO] [stderr]    Compiling strum v0.28.0
[INFO] [stderr]    Compiling colored v3.1.1
[INFO] [stderr]    Compiling anstream v1.0.0
[INFO] [stderr]    Compiling clap_builder v4.6.0
[INFO] [stderr]    Compiling serde_json v1.0.149
[INFO] [stderr]    Compiling serde_derive v1.0.228
[INFO] [stderr]    Compiling clap_derive v4.6.0
[INFO] [stderr]    Compiling strum_macros v0.28.0
[INFO] [stderr]    Compiling clap v4.6.0
[INFO] [stderr]    Compiling serde v1.0.228
[INFO] [stderr]    Compiling spbuild v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn compile(path: &Path) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link(files: &Vec<&Path>) -> Result<(), &'static str> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn build_project(project: Project) -> Result<(), &'static str> {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let paths = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_root_from_config_path` is never used
[INFO] [stdout]   --> src/compiler_interfaces/common.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait Compiler {
[INFO] [stdout]    |           -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn build_root_from_config_path(project_path: &str) -> Result<PathBuf, &'static str> {
[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 `detect_msvc_path` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn detect_msvc_path() -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn compile(path: &Path) -> Result<(), &'static str> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `link` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link(files: &Vec<&Path>) -> Result<(), &'static str> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_project` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn build_project(project: Project) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ld_path` is never read
[INFO] [stdout]   --> src/compiler_interfaces/gcc.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct GccCompiler {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub ld_path: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 21.23s
[INFO] running `Command { std: "docker" "inspect" "1bbd3ab7d744a2f664cfa5867dac782631fafd6bf6004b138160eb3d1f8555f8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1bbd3ab7d744a2f664cfa5867dac782631fafd6bf6004b138160eb3d1f8555f8", kill_on_drop: false }`
[INFO] [stdout] 1bbd3ab7d744a2f664cfa5867dac782631fafd6bf6004b138160eb3d1f8555f8
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 21f868226f5dc4c3b14d48a81a05b9e47b230ef641a8220b1184a0e9709295ea
[INFO] running `Command { std: "docker" "start" "-a" "21f868226f5dc4c3b14d48a81a05b9e47b230ef641a8220b1184a0e9709295ea", kill_on_drop: false }`
[INFO] [stderr]    Compiling spbuild v0.3.3 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `path`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:65:12
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn compile(path: &Path) -> Result<(), &'static str> {
[INFO] [stdout]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `files`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:72:9
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link(files: &Vec<&Path>) -> Result<(), &'static str> {
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `project`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:79:22
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn build_project(project: Project) -> Result<(), &'static str> {
[INFO] [stdout]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `paths`
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:81:9
[INFO] [stdout]    |
[INFO] [stdout] 81 |     let paths = vec![
[INFO] [stdout]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function `build_root_from_config_path` is never used
[INFO] [stdout]   --> src/compiler_interfaces/common.rs:75:8
[INFO] [stdout]    |
[INFO] [stdout]  6 | pub trait Compiler {
[INFO] [stdout]    |           -------- associated function in this trait
[INFO] [stdout] ...
[INFO] [stdout] 75 |     fn build_root_from_config_path(project_path: &str) -> Result<PathBuf, &'static str> {
[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 `detect_msvc_path` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:15:8
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub fn detect_msvc_path() -> Result<String, &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `compile` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:65:4
[INFO] [stdout]    |
[INFO] [stdout] 65 | fn compile(path: &Path) -> Result<(), &'static str> {
[INFO] [stdout]    |    ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `link` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:72:4
[INFO] [stdout]    |
[INFO] [stdout] 72 | fn link(files: &Vec<&Path>) -> Result<(), &'static str> {
[INFO] [stdout]    |    ^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function `build_project` is never used
[INFO] [stdout]   --> src/compiler_interfaces/msvc.rs:79:8
[INFO] [stdout]    |
[INFO] [stdout] 79 | pub fn build_project(project: Project) -> Result<(), &'static str> {
[INFO] [stdout]    |        ^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field `ld_path` is never read
[INFO] [stdout]   --> src/compiler_interfaces/gcc.rs:18:9
[INFO] [stdout]    |
[INFO] [stdout] 15 | pub struct GccCompiler {
[INFO] [stdout]    |            ----------- field in this struct
[INFO] [stdout] ...
[INFO] [stdout] 18 |     pub ld_path: String,
[INFO] [stdout]    |         ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.86s
[INFO] running `Command { std: "docker" "inspect" "21f868226f5dc4c3b14d48a81a05b9e47b230ef641a8220b1184a0e9709295ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "21f868226f5dc4c3b14d48a81a05b9e47b230ef641a8220b1184a0e9709295ea", kill_on_drop: false }`
[INFO] [stdout] 21f868226f5dc4c3b14d48a81a05b9e47b230ef641a8220b1184a0e9709295ea
[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" "+0abe69e6c16114311cc2700e972492e64d69c28f" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] 2052d2aa1f0bde0d5f425e4eed0408d18a8daa0f06583453c9d8c41b58d15b7a
[INFO] running `Command { std: "docker" "start" "-a" "2052d2aa1f0bde0d5f425e4eed0408d18a8daa0f06583453c9d8c41b58d15b7a", kill_on_drop: false }`
[INFO] [stderr] warning: unused variable: `path`
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:65:12
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn compile(path: &Path) -> Result<(), &'static str> {
[INFO] [stderr]    |            ^^^^ help: if this is intentional, prefix it with an underscore: `_path`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `files`
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:72:9
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn link(files: &Vec<&Path>) -> Result<(), &'static str> {
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_files`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `project`
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:79:22
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn build_project(project: Project) -> Result<(), &'static str> {
[INFO] [stderr]    |                      ^^^^^^^ help: if this is intentional, prefix it with an underscore: `_project`
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `paths`
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:81:9
[INFO] [stderr]    |
[INFO] [stderr] 81 |     let paths = vec![
[INFO] [stderr]    |         ^^^^^ help: if this is intentional, prefix it with an underscore: `_paths`
[INFO] [stderr] 
[INFO] [stderr] warning: associated function `build_root_from_config_path` is never used
[INFO] [stderr]   --> src/compiler_interfaces/common.rs:75:8
[INFO] [stderr]    |
[INFO] [stderr]  6 | pub trait Compiler {
[INFO] [stderr]    |           -------- associated function in this trait
[INFO] [stderr] ...
[INFO] [stderr] 75 |     fn build_root_from_config_path(project_path: &str) -> Result<PathBuf, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(dead_code)]` (part of `#[warn(unused)]`) on by default
[INFO] [stderr] 
[INFO] [stderr] warning: function `detect_msvc_path` is never used
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:15:8
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub fn detect_msvc_path() -> Result<String, &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `compile` is never used
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:65:4
[INFO] [stderr]    |
[INFO] [stderr] 65 | fn compile(path: &Path) -> Result<(), &'static str> {
[INFO] [stderr]    |    ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `link` is never used
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:72:4
[INFO] [stderr]    |
[INFO] [stderr] 72 | fn link(files: &Vec<&Path>) -> Result<(), &'static str> {
[INFO] [stderr]    |    ^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function `build_project` is never used
[INFO] [stderr]   --> src/compiler_interfaces/msvc.rs:79:8
[INFO] [stderr]    |
[INFO] [stderr] 79 | pub fn build_project(project: Project) -> Result<(), &'static str> {
[INFO] [stderr]    |        ^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field `ld_path` is never read
[INFO] [stderr]   --> src/compiler_interfaces/gcc.rs:18:9
[INFO] [stderr]    |
[INFO] [stderr] 15 | pub struct GccCompiler {
[INFO] [stderr]    |            ----------- field in this struct
[INFO] [stderr] ...
[INFO] [stderr] 18 |     pub ld_path: String,
[INFO] [stderr]    |         ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: `spbuild` (bin "spbuild" test) generated 10 warnings (run `cargo fix --bin "spbuild" -p spbuild --tests` to apply 4 suggestions)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.07s
[INFO] [stderr]      Running unittests src/main.rs (/opt/rustwide/target/debug/deps/spbuild-3254962fd60630f7)
[INFO] [stdout] 
[INFO] [stdout] running 8 tests
[INFO] [stdout] test helpers::version_tools::tests::greater_than_or_equal ... ok
[INFO] [stdout] test helpers::version_tools::tests::greater_than ... ok
[INFO] [stdout] test helpers::version_tools::tests::less_than ... ok
[INFO] [stdout] test helpers::version_tools::tests::less_than_or_equal ... ok
[INFO] [stdout] test helpers::version_tools::tests::tilde_approximately_same_major_and_minor ... ok
[INFO] [stdout] test helpers::version_tools::tests::missing_majors_minors ... ok
[INFO] [stdout] test helpers::version_tools::tests::exact_match_without_modifier ... ok
[INFO] [stdout] test helpers::version_tools::tests::caret_compatible_same_major ... ok
[INFO] [stdout] 
[INFO] [stdout] test result: ok. 8 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] running `Command { std: "docker" "inspect" "2052d2aa1f0bde0d5f425e4eed0408d18a8daa0f06583453c9d8c41b58d15b7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2052d2aa1f0bde0d5f425e4eed0408d18a8daa0f06583453c9d8c41b58d15b7a", kill_on_drop: false }`
[INFO] [stdout] 2052d2aa1f0bde0d5f425e4eed0408d18a8daa0f06583453c9d8c41b58d15b7a
