[INFO] cloning repository https://github.com/nirshahar/SVM [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/nirshahar/SVM" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 7471a165f7c255befe27bc55a14fa68dbab86893 [INFO] testing nirshahar/SVM against try#c066bf6804adc55193b71afdff6a56922f4a8689+target=x86_64-unknown-linux-musl for musl_upgrade_1_2_5_in_2025-retry-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fnirshahar%2FSVM" "/workspace/builds/worker-1-tc2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-1-tc2/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/nirshahar/SVM [INFO] finished tweaking git repo https://github.com/nirshahar/SVM [INFO] tweaked toml for git repo https://github.com/nirshahar/SVM written to /workspace/builds/worker-1-tc2/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/nirshahar/SVM on toolchain c066bf6804adc55193b71afdff6a56922f4a8689 [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/nirshahar/SVM 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" "+c066bf6804adc55193b71afdff6a56922f4a8689" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] fa29e333f8df79b6074b8496a252e46e80959c4e860b5c3c385f6758f7c9e4d1 [INFO] running `Command { std: "docker" "start" "-a" "fa29e333f8df79b6074b8496a252e46e80959c4e860b5c3c385f6758f7c9e4d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "fa29e333f8df79b6074b8496a252e46e80959c4e860b5c3c385f6758f7c9e4d1", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "fa29e333f8df79b6074b8496a252e46e80959c4e860b5c3c385f6758f7c9e4d1", kill_on_drop: false }` [INFO] [stdout] fa29e333f8df79b6074b8496a252e46e80959c4e860b5c3c385f6758f7c9e4d1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:90999bfc7ae267e83380e433d8e61a7c072ca6729e92edbae886d3423b3a6f4c" "/opt/rustwide/cargo-home/bin/cargo" "+c066bf6804adc55193b71afdff6a56922f4a8689" "build" "--frozen" "--message-format=json" "--target" "x86_64-unknown-linux-musl", kill_on_drop: false }` [INFO] [stdout] 41db46a06c0a44c612ed8db9a74d4dcfaa85d7232cc68b8abf9ade8e0777e377 [INFO] running `Command { std: "docker" "start" "-a" "41db46a06c0a44c612ed8db9a74d4dcfaa85d7232cc68b8abf9ade8e0777e377", kill_on_drop: false }` [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling libm v0.2.1 [INFO] [stderr] Compiling libc v0.2.86 [INFO] [stderr] Compiling getrandom v0.2.2 [INFO] [stderr] Compiling ppv-lite86 v0.2.10 [INFO] [stderr] Compiling rawpointer v0.2.1 [INFO] [stderr] Compiling ndarray v0.14.0 [INFO] [stderr] Compiling svg v0.9.0 [INFO] [stderr] Compiling matrixmultiply v0.2.4 [INFO] [stderr] Compiling num-traits v0.2.14 [INFO] [stderr] Compiling num-integer v0.1.44 [INFO] [stderr] Compiling rand_core v0.6.2 [INFO] [stderr] Compiling rand_chacha v0.3.0 [INFO] [stderr] Compiling rand v0.8.3 [INFO] [stderr] Compiling num-complex v0.3.1 [INFO] [stderr] Compiling rand_distr v0.4.0 [INFO] [stderr] Compiling svm v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused imports: `Shape` and `array` [INFO] [stdout] --> src/kernel.rs:1:15 [INFO] [stdout] | [INFO] [stdout] 1 | use ndarray::{array, Array1, ArrayView1, Shape}; [INFO] [stdout] | ^^^^^ ^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `data_points` [INFO] [stdout] --> src/kernel.rs:40:73 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ help: if this is intentional, prefix it with an underscore: `_data_points` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `kernel` [INFO] [stdout] --> src/kernel.rs:40:100 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^ help: if this is intentional, prefix it with an underscore: `_kernel` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `proj_gd` is never used [INFO] [stdout] --> src/main.rs:93:4 [INFO] [stdout] | [INFO] [stdout] 93 | fn proj_gd

( [INFO] [stdout] | ^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: struct `Model` is never constructed [INFO] [stdout] --> src/kernel.rs:5:8 [INFO] [stdout] | [INFO] [stdout] 5 | struct Model<'a, K> { [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dual_grad_at_data_point` is never used [INFO] [stdout] --> src/kernel.rs:10:4 [INFO] [stdout] | [INFO] [stdout] 10 | fn dual_grad_at_data_point( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `dual_grad_with_kernel` is never used [INFO] [stdout] --> src/kernel.rs:29:4 [INFO] [stdout] | [INFO] [stdout] 29 | fn dual_grad_with_kernel( [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `learn_model` is never used [INFO] [stdout] --> src/kernel.rs:40:4 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `square_kernel` is never used [INFO] [stdout] --> src/kernel.rs:44:4 [INFO] [stdout] | [INFO] [stdout] 44 | fn square_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, r: i32) -> f32 { [INFO] [stdout] | ^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `rbf_kernel` is never used [INFO] [stdout] --> src/kernel.rs:48:4 [INFO] [stdout] | [INFO] [stdout] 48 | fn rbf_kernel(x1: ArrayView1<'_, f32>, x2: ArrayView1<'_, f32>, sigma: f32) -> f32 { [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: lifetime flowing from input to output with different syntax can be confusing [INFO] [stdout] --> src/kernel.rs:40:86 [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model { [INFO] [stdout] | ^^^^^^^^^^^^ -------- the lifetime gets resolved as `'_` [INFO] [stdout] | | [INFO] [stdout] | this lifetime flows to the output [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(mismatched_lifetime_syntaxes)]` on by default [INFO] [stdout] help: one option is to remove the lifetime for references and use the anonymous lifetime for paths [INFO] [stdout] | [INFO] [stdout] 40 | fn learn_model, ArrayView1<'_, f32>) -> f32>(data_points: &[DataPoint], kernel: K) -> Model<'_, K> { [INFO] [stdout] | +++ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/rcrt1.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crti.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtbeginS.o" "/tmp/rustcZ0rQ3l/symbols.o" "<11 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/{libsvg-af5ef1c837d0fa4f.rlib,librand_distr-2f730f7b6191030d.rlib,librand-392c8983c2306c3f.rlib,librand_chacha-44de703bb7f72f19.rlib,libppv_lite86-5a92c3ab26105205.rlib,librand_core-2746eb356019b7f4.rlib,libgetrandom-5c6e00358a44def6.rlib,liblibc-b1b45a2d7bdd8704.rlib,libcfg_if-66d55f6b302e88c8.rlib,libndarray-aa96fb0e81de21c5.rlib,libmatrixmultiply-9744099092c83182.rlib,libnum_complex-90e5adb86057eeae.rlib,libnum_integer-39871f764d8a5a4d.rlib,libnum_traits-364d999c07f2552e.rlib,librawpointer-ee8696fe85e6dce4.rlib}.rlib" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*}.rlib" "-lunwind" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{libcfg_if-*,liblibc-*}.rlib" "-lc" "/lib/rustlib/x86_64-unknown-linux-musl/lib/{librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-L" "/tmp/rustcZ0rQ3l/raw-dylibs" "-Wl,-Bdynamic" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-nostartfiles" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained" "-L" "/lib/rustlib/x86_64-unknown-linux-musl/lib" "-o" "/opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/svm-50c9aec799d9af8d" "-Wl,--gc-sections" "-static-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtendS.o" "/lib/rustlib/x86_64-unknown-linux-musl/lib/self-contained/crtn.o" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: /usr/bin/ld: /opt/rustwide/target/x86_64-unknown-linux-musl/debug/deps/libgetrandom-5c6e00358a44def6.rlib(getrandom-5c6e00358a44def6.getrandom.aae207974008e22f-cgu.0.rcgu.o): in function `getrandom::util_libc::open_readonly': [INFO] [stdout] /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/getrandom-0.2.2/src/util_libc.rs:110:(.text._ZN9getrandom9util_libc13open_readonly17h9292cb9344e437d2E+0xb6): undefined reference to `open64' [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified [INFO] [stdout] = note: use the `-l` flag to specify native libraries to link [INFO] [stdout] = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#rustc-link-lib) [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `svm` (bin "svm") due to 1 previous error; 11 warnings emitted [INFO] running `Command { std: "docker" "inspect" "41db46a06c0a44c612ed8db9a74d4dcfaa85d7232cc68b8abf9ade8e0777e377", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "41db46a06c0a44c612ed8db9a74d4dcfaa85d7232cc68b8abf9ade8e0777e377", kill_on_drop: false }` [INFO] [stdout] 41db46a06c0a44c612ed8db9a74d4dcfaa85d7232cc68b8abf9ade8e0777e377