[INFO] cloning repository https://github.com/skailasa/rust-gpu-wrapper [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/skailasa/rust-gpu-wrapper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskailasa%2Frust-gpu-wrapper", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskailasa%2Frust-gpu-wrapper'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] e61dea6f7c4a90b1838d34c18621c3dc19cd5efd [INFO] testing skailasa/rust-gpu-wrapper against master#562dee4820c458d823175268e41601d4c060588a for pr-154210-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fskailasa%2Frust-gpu-wrapper" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'... [INFO] [stderr] done. [INFO] started tweaking git repo https://github.com/skailasa/rust-gpu-wrapper [INFO] finished tweaking git repo https://github.com/skailasa/rust-gpu-wrapper [INFO] tweaked toml for git repo https://github.com/skailasa/rust-gpu-wrapper written to /workspace/builds/worker-6-tc1/source/Cargo.toml [INFO] validating manifest of git repo https://github.com/skailasa/rust-gpu-wrapper on toolchain 562dee4820c458d823175268e41601d4c060588a [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] crate git repo https://github.com/skailasa/rust-gpu-wrapper 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" "+562dee4820c458d823175268e41601d4c060588a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] b50bfd16774f47d4350133513cc8ea2f8a3ab3bb9b7a005830a1d4fda74a9683 [INFO] running `Command { std: "docker" "start" "-a" "b50bfd16774f47d4350133513cc8ea2f8a3ab3bb9b7a005830a1d4fda74a9683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "b50bfd16774f47d4350133513cc8ea2f8a3ab3bb9b7a005830a1d4fda74a9683", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b50bfd16774f47d4350133513cc8ea2f8a3ab3bb9b7a005830a1d4fda74a9683", kill_on_drop: false }` [INFO] [stdout] b50bfd16774f47d4350133513cc8ea2f8a3ab3bb9b7a005830a1d4fda74a9683 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "+562dee4820c458d823175268e41601d4c060588a" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] c6742a0007b8ae9175e2429e8dbd6afa8b2999d3f96b3fa4b089901f2bc2d9e0 [INFO] running `Command { std: "docker" "start" "-a" "c6742a0007b8ae9175e2429e8dbd6afa8b2999d3f96b3fa4b089901f2bc2d9e0", kill_on_drop: false }` [INFO] [stderr] Compiling rust-cuda v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> build.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [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] --> build.rs:3:5 [INFO] [stdout] | [INFO] [stdout] 3 | use std::path::PathBuf; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::process::Command` [INFO] [stdout] --> build.rs:4:5 [INFO] [stdout] | [INFO] [stdout] 4 | use std::process::Command; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut a = vec![1.0f32; n]; [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a` [INFO] [stdout] --> src/main.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | let mut a = vec![1.0f32; n]; [INFO] [stdout] | ^^^^^ help: if this is intentional, prefix it with an underscore: `_a` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` (part of `#[warn(unused)]`) on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `a_d` [INFO] [stdout] --> src/main.rs:38:9 [INFO] [stdout] | [INFO] [stdout] 38 | let a_d: *mut f32 = cuda_malloc(n); [INFO] [stdout] | ^^^ help: if this is intentional, prefix it with an underscore: `_a_d` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cuda_check` is never used [INFO] [stdout] --> src/main.rs:23:4 [INFO] [stdout] | [INFO] [stdout] 23 | fn cuda_check(status: i32) { [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 `cuda_add_kernel` is never used [INFO] [stdout] --> src/main.rs:2:8 [INFO] [stdout] | [INFO] [stdout] 2 | fn cuda_add_kernel(a: *mut f32, b: *mut f32, c: *mut f32, n: i32); [INFO] [stdout] | ^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function `cudaMemcpyGeneric` is never used [INFO] [stdout] --> src/main.rs:4:8 [INFO] [stdout] | [INFO] [stdout] 4 | fn cudaMemcpyGeneric(data: *mut *mut std::ffi::c_void, size: usize) -> i32; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/rustcpy2OlP/symbols.o" "<2 object files omitted>" "-Wl,--as-needed" "-Wl,-Bstatic" "/lib/rustlib/x86_64-unknown-linux-gnu/lib/{libstd-*,libpanic_unwind-*,libobject-*,libmemchr-*,libaddr2line-*,libgimli-*,libcfg_if-*,librustc_demangle-*,libstd_detect-*,libhashbrown-*,librustc_std_workspace_alloc-*,libminiz_oxide-*,libadler2-*,libunwind-*,liblibc-*,librustc_std_workspace_core-*,liballoc-*,libcore-*,libcompiler_builtins-*}.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-L" "/opt/rustwide/target/debug/deps/rustcpy2OlP/raw-dylibs" "-B/lib/rustlib/x86_64-unknown-linux-gnu/bin/gcc-ld" "-fuse-ld=lld" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_cuda-0cb357640a7c570a" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs" [INFO] [stdout] = note: some arguments are omitted. use `--verbose` to show all linker arguments [INFO] [stdout] = note: rust-lld: error: undefined symbol: cudaMallocGeneric [INFO] [stdout] >>> referenced by main.rs:16 (src/main.rs:16) [INFO] [stdout] >>> /opt/rustwide/target/debug/deps/rust_cuda-0cb357640a7c570a.rust_cuda.d363ae27a5d4a328-cgu.0.rcgu.o:(rust_cuda::cuda_malloc::) [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust-cuda` (bin "rust-cuda") due to 1 previous error; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "c6742a0007b8ae9175e2429e8dbd6afa8b2999d3f96b3fa4b089901f2bc2d9e0", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "c6742a0007b8ae9175e2429e8dbd6afa8b2999d3f96b3fa4b089901f2bc2d9e0", kill_on_drop: false }` [INFO] [stdout] c6742a0007b8ae9175e2429e8dbd6afa8b2999d3f96b3fa4b089901f2bc2d9e0