[INFO] updating cached repository https://github.com/qezz/rust-ffi-demo [INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 20254e58d38ec17be2261bc2a721bfede617e454 [INFO] testing qezz/rust-ffi-demo against 1.38.0 for beta-1.39-1 [INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo" "work/builds/worker-1/source"` [INFO] [stderr] Cloning into 'work/builds/worker-1/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qezz/rust-ffi-demo on toolchain 1.38.0 [INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"` [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 work/builds/worker-1/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 `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"` [INFO] [stdout] 5f5f863e4473d4b28bf6786f21cb9bf03db04df70f4efca0067c84176f8a0583 [INFO] running `"docker" "start" "-a" "5f5f863e4473d4b28bf6786f21cb9bf03db04df70f4efca0067c84176f8a0583"` [INFO] [stderr] Compiling clang-sys v0.26.3 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling serde_derive v1.0.82 [INFO] [stderr] Compiling which v2.0.1 [INFO] [stderr] Compiling bindgen v0.45.0 [INFO] [stderr] Compiling cexpr v0.3.3 [INFO] [stderr] Compiling rust_ffi v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: constant item is never used: `true_` [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust_ffi-be7a8d6a75f2d11b/out/c_mx_bindings.rs:3:1 [INFO] [stderr] | [INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `false_` [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust_ffi-be7a8d6a75f2d11b/out/c_mx_bindings.rs:3:29 [INFO] [stderr] | [INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: foreign function is never used: `isEqual` [INFO] [stderr] --> /opt/rustwide/target/debug/build/rust_ffi-be7a8d6a75f2d11b/out/c_mx_bindings.rs:3:365 [INFO] [stderr] | [INFO] [stderr] 3 | pub const true_ : u32 = 1 ; pub const false_ : u32 = 0 ; pub const __bool_true_false_are_defined : u32 = 1 ; extern "C" { pub fn transpose ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn isEqual ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : :: std :: os :: raw :: c_int ) -> bool ; } extern "C" { pub fn multiply_l ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } extern "C" { pub fn multiply_pf ( arg1 : * mut f64 , arg2 : * mut f64 , arg3 : * mut f64 , arg4 : :: std :: os :: raw :: c_int ) ; } [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `std::env` [INFO] [stderr] --> src/main.rs:1:5 [INFO] [stderr] | [INFO] [stderr] 1 | use std::env; [INFO] [stderr] | ^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_imports)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unused import: `SubCommand` [INFO] [stderr] --> src/main.rs:6:22 [INFO] [stderr] | [INFO] [stderr] 6 | use clap::{Arg, App, SubCommand}; [INFO] [stderr] | ^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused imports: `Error`, `Value`, `json` [INFO] [stderr] --> src/main.rs:7:18 [INFO] [stderr] | [INFO] [stderr] 7 | use serde_json::{Value, Error, json}; [INFO] [stderr] | ^^^^^ ^^^^^ ^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `serde` [INFO] [stderr] --> src/main.rs:8:5 [INFO] [stderr] | [INFO] [stderr] 8 | use serde; [INFO] [stderr] | ^^^^^ [INFO] [stderr] [INFO] [stderr] warning: unused import: `transpose` [INFO] [stderr] --> src/main.rs:12:16 [INFO] [stderr] | [INFO] [stderr] 12 | use rust_ffi::{transpose, multiply}; [INFO] [stderr] | ^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: method is never used: `new` [INFO] [stderr] --> src/main.rs:20:5 [INFO] [stderr] | [INFO] [stderr] 20 | fn new(s: &[f64]) -> LinearMatrix { [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.rust_ffi.axcgdbtu-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b" "/opt/rustwide/target/debug/deps/rust_ffi-32bf91a1cd40d89b.4zp4wwwn5mtask1n.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "./c" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librust_ffi-0a747eadbe68fff2.rlib" "/opt/rustwide/target/debug/deps/libserde_json-3e7791cac641a3e7.rlib" "/opt/rustwide/target/debug/deps/libryu-c3ac84d4531c6c3c.rlib" "/opt/rustwide/target/debug/deps/libitoa-29042d2791be6b24.rlib" "/opt/rustwide/target/debug/deps/libserde-39dfdba0128c79d9.rlib" "/opt/rustwide/target/debug/deps/libclap-df515012c7bb5d17.rlib" "/opt/rustwide/target/debug/deps/libvec_map-430eebd9ad766441.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-4a971c230493c426.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-efcaf7621463ca26.rlib" "/opt/rustwide/target/debug/deps/libstrsim-421bb410b122b449.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ac824a210725bad3.rlib" "/opt/rustwide/target/debug/deps/libatty-85b5dce3e82f5098.rlib" "/opt/rustwide/target/debug/deps/liblibc-a10230026ee20ca7.rlib" "/opt/rustwide/target/debug/deps/libansi_term-96d819b388a7bd02.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lmx" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: cannot find -lmx [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: Could not compile `rust_ffi`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "5f5f863e4473d4b28bf6786f21cb9bf03db04df70f4efca0067c84176f8a0583"` [INFO] running `"docker" "rm" "-f" "5f5f863e4473d4b28bf6786f21cb9bf03db04df70f4efca0067c84176f8a0583"` [INFO] [stdout] 5f5f863e4473d4b28bf6786f21cb9bf03db04df70f4efca0067c84176f8a0583