[INFO] cloning repository https://github.com/qezz/rust-ffi-demo [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/qezz/rust-ffi-demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 20254e58d38ec17be2261bc2a721bfede617e454 [INFO] testing qezz/rust-ffi-demo against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo" "/workspace/builds/worker-11/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qezz/rust-ffi-demo on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/qezz/rust-ffi-demo [INFO] finished tweaking git repo https://github.com/qezz/rust-ffi-demo [INFO] tweaked toml for git repo https://github.com/qezz/rust-ffi-demo written to /workspace/builds/worker-11/source/Cargo.toml [INFO] crate git repo https://github.com/qezz/rust-ffi-demo already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] bad6ec64fd6707cebf869f93442469c011d4484350d426ac6756625e93ab41f7 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "bad6ec64fd6707cebf869f93442469c011d4484350d426ac6756625e93ab41f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "bad6ec64fd6707cebf869f93442469c011d4484350d426ac6756625e93ab41f7", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "bad6ec64fd6707cebf869f93442469c011d4484350d426ac6756625e93ab41f7", kill_on_drop: false }` [INFO] [stdout] bad6ec64fd6707cebf869f93442469c011d4484350d426ac6756625e93ab41f7 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 07be04180abad5401ed3611fa1eff2e20cc99837cd837a231e1bc8612bde868f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "07be04180abad5401ed3611fa1eff2e20cc99837cd837a231e1bc8612bde868f", kill_on_drop: false }` [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling glob v0.2.11 [INFO] [stderr] Compiling ucd-util v0.1.3 [INFO] [stderr] Compiling quick-error v1.2.2 [INFO] [stderr] Compiling unicode-width v0.1.5 [INFO] [stderr] Compiling utf8-ranges v1.0.2 [INFO] [stderr] Compiling bindgen v0.45.0 [INFO] [stderr] Compiling vec_map v0.8.1 [INFO] [stderr] Compiling ryu v0.2.7 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling itoa v0.4.3 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling textwrap v0.10.0 [INFO] [stderr] Compiling humantime v1.2.0 [INFO] [stderr] Compiling regex-syntax v0.6.4 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling clang-sys v0.26.3 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling cexpr v0.3.3 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling env_logger v0.6.0 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling serde_json v1.0.33 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling rust_ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: constant is never used: `true_` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-aef4b015e68697d0/out/c_mx_bindings.rs:3:1 [INFO] [stdout] | [INFO] [stdout] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpos... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `false_` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-aef4b015e68697d0/out/c_mx_bindings.rs:3:29 [INFO] [stdout] | [INFO] [stdout] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpos... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `isEqual` [INFO] [stdout] --> /opt/rustwide/target/debug/build/rust_ffi-aef4b015e68697d0/out/c_mx_bindings.rs:3:365 [INFO] [stdout] | [INFO] [stdout] 3 | ... } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { ... [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 3 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `std::env` [INFO] [stdout] --> src/main.rs:1:5 [INFO] [stdout] | [INFO] [stdout] 1 | use std::env; [INFO] [stdout] | ^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `SubCommand` [INFO] [stdout] --> src/main.rs:6:22 [INFO] [stdout] | [INFO] [stdout] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stdout] | ^^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused imports: `Error`, `Value`, `json` [INFO] [stdout] --> src/main.rs:7:18 [INFO] [stdout] | [INFO] [stdout] 7 | use serde_json::{Value, Error, json}; [INFO] [stdout] | ^^^^^ ^^^^^ ^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `serde` [INFO] [stdout] --> src/main.rs:8:5 [INFO] [stdout] | [INFO] [stdout] 8 | use serde; [INFO] [stdout] | ^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused import: `transpose` [INFO] [stdout] --> src/main.rs:12:16 [INFO] [stdout] | [INFO] [stdout] 12 | use rust_ffi::{transpose, multiply}; [INFO] [stdout] | ^^^^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: associated function is never used: `new` [INFO] [stdout] --> src/main.rs:20:8 [INFO] [stdout] | [INFO] [stdout] 20 | fn new(s: &[f64]) -> LinearMatrix { [INFO] [stdout] | ^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [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/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.rust_ffi.57cddf4f-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8.431qqzlgsa0vb26l.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "./c" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librust_ffi-7c0f786c648ef352.rlib" "/opt/rustwide/target/debug/deps/libserde_json-7af781bc31fb66e6.rlib" "/opt/rustwide/target/debug/deps/libryu-15b6ba5feaf4bf0a.rlib" "/opt/rustwide/target/debug/deps/libitoa-96ce37d5cfefc361.rlib" "/opt/rustwide/target/debug/deps/libserde-f24598223aac47a0.rlib" "/opt/rustwide/target/debug/deps/libclap-582ea8b69a43ea6e.rlib" "/opt/rustwide/target/debug/deps/libvec_map-11539489c7468588.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-6150aefb2733d976.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-1c5c393aa49a23dd.rlib" "/opt/rustwide/target/debug/deps/libstrsim-086f10016726ef86.rlib" "/opt/rustwide/target/debug/deps/libbitflags-257fd09b908c4179.rlib" "/opt/rustwide/target/debug/deps/libatty-2b67c37e4f49d527.rlib" "/opt/rustwide/target/debug/deps/liblibc-13d8f9b5b14c5b4b.rlib" "/opt/rustwide/target/debug/deps/libansi_term-76ca62e328105e50.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lmx" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_ffi-1462036f61c254b8" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lmx [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 6 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `rust_ffi` due to 2 previous errors; 6 warnings emitted [INFO] running `Command { std: "docker" "inspect" "07be04180abad5401ed3611fa1eff2e20cc99837cd837a231e1bc8612bde868f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "07be04180abad5401ed3611fa1eff2e20cc99837cd837a231e1bc8612bde868f", kill_on_drop: false }` [INFO] [stdout] 07be04180abad5401ed3611fa1eff2e20cc99837cd837a231e1bc8612bde868f