[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 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fqezz%2Frust-ffi-demo" "/workspace/builds/worker-13/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/qezz/rust-ffi-demo on toolchain 1.55.0 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "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-13/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded itertools-num v0.1.3 [INFO] [stderr] Downloaded thread-scoped v1.0.2 [INFO] [stderr] Downloaded clang-sys v0.26.3 [INFO] [stderr] Downloaded cexpr v0.3.3 [INFO] [stderr] Downloaded nom v4.1.1 [INFO] [stderr] Downloaded csv-core v0.1.5 [INFO] [stderr] Downloaded criterion-plot v0.2.5 [INFO] [stderr] Downloaded csv v1.0.5 [INFO] [stderr] Downloaded handlebars v0.32.4 [INFO] [stderr] Downloaded rustc-demangle v0.1.11 [INFO] [stderr] Downloaded pest_derive v1.0.8 [INFO] [stderr] Downloaded simplelog v0.5.3 [INFO] [stderr] Downloaded serde_derive v1.0.82 [INFO] [stderr] Downloaded serde v1.0.82 [INFO] [stderr] Downloaded bindgen v0.45.0 [INFO] [stderr] Downloaded criterion-stats v0.2.5 [INFO] [stderr] Downloaded criterion v0.2.5 [INFO] [stderr] Downloaded autocfg v0.1.1 [INFO] [stderr] Downloaded backtrace v0.3.13 [INFO] [stderr] Downloaded term v0.5.1 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] ea82ff6e88811d828ecda2e96c338c84080249e4dd7593b7b1f922e06b379276 [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" "ea82ff6e88811d828ecda2e96c338c84080249e4dd7593b7b1f922e06b379276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "ea82ff6e88811d828ecda2e96c338c84080249e4dd7593b7b1f922e06b379276", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "ea82ff6e88811d828ecda2e96c338c84080249e4dd7593b7b1f922e06b379276", kill_on_drop: false }` [INFO] [stdout] ea82ff6e88811d828ecda2e96c338c84080249e4dd7593b7b1f922e06b379276 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=warn" "-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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 2793934ec38c04b05d97aa56c8f0e70bed463fd867091c29280b59ca0d556217 [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" "2793934ec38c04b05d97aa56c8f0e70bed463fd867091c29280b59ca0d556217", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.45 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Compiling autocfg v0.1.1 [INFO] [stderr] Compiling rustc-demangle v0.1.11 [INFO] [stderr] Compiling termcolor v1.0.4 [INFO] [stderr] Compiling bindgen v0.45.0 [INFO] [stderr] Compiling serde v1.0.82 [INFO] [stderr] Compiling memchr v2.1.2 [INFO] [stderr] Compiling clang-sys v0.26.3 [INFO] [stderr] Compiling syn v0.15.23 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Compiling libloading v0.5.0 [INFO] [stderr] Compiling atty v0.2.11 [INFO] [stderr] Compiling clap v2.32.0 [INFO] [stderr] Compiling aho-corasick v0.6.9 [INFO] [stderr] Compiling nom v4.1.1 [INFO] [stderr] Compiling regex v1.1.0 [INFO] [stderr] Compiling cexpr v0.3.3 [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 failure_derive v0.1.3 [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-68f5f4c8458ac8a8/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-68f5f4c8458ac8a8/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-68f5f4c8458ac8a8/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-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.rust_ffi.0af11b5d-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1.3qt2yycz5ntw06o7.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "./c" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librust_ffi-e0e779833852eb0c.rlib" "/opt/rustwide/target/debug/deps/libserde_json-c477d5bc0ef9c30c.rlib" "/opt/rustwide/target/debug/deps/libryu-660a4fd43c22b659.rlib" "/opt/rustwide/target/debug/deps/libitoa-ed3e65388eda00dc.rlib" "/opt/rustwide/target/debug/deps/libserde-3a83f3d9eae2f351.rlib" "/opt/rustwide/target/debug/deps/libclap-e93c4f465122fc3b.rlib" "/opt/rustwide/target/debug/deps/libvec_map-2fd734c4c1e4fc50.rlib" "/opt/rustwide/target/debug/deps/libtextwrap-db8e725060015756.rlib" "/opt/rustwide/target/debug/deps/libunicode_width-bbf70183f4a76aeb.rlib" "/opt/rustwide/target/debug/deps/libstrsim-2c756d049be254c7.rlib" "/opt/rustwide/target/debug/deps/libbitflags-be708b057de9c1af.rlib" "/opt/rustwide/target/debug/deps/libatty-ab61f51919832fe1.rlib" "/opt/rustwide/target/debug/deps/liblibc-419bd3809bf5aa70.rlib" "/opt/rustwide/target/debug/deps/libansi_term-329dab68dba20daf.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.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/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_ffi-0bab87e773d94fa1" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-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" "2793934ec38c04b05d97aa56c8f0e70bed463fd867091c29280b59ca0d556217", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "2793934ec38c04b05d97aa56c8f0e70bed463fd867091c29280b59ca0d556217", kill_on_drop: false }` [INFO] [stdout] 2793934ec38c04b05d97aa56c8f0e70bed463fd867091c29280b59ca0d556217