[INFO] cloning repository https://github.com/danielpclark/bench_ruby_ffi_example [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/danielpclark/bench_ruby_ffi_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Fbench_ruby_ffi_example", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Fbench_ruby_ffi_example'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] 2f8fae8311f8d69695d428e538201c98ba2c67c2 [INFO] testing danielpclark/bench_ruby_ffi_example against 1.55.0 for beta-1.56-1 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdanielpclark%2Fbench_ruby_ffi_example" "/workspace/builds/worker-10/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/danielpclark/bench_ruby_ffi_example 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/danielpclark/bench_ruby_ffi_example [INFO] finished tweaking git repo https://github.com/danielpclark/bench_ruby_ffi_example [INFO] tweaked toml for git repo https://github.com/danielpclark/bench_ruby_ffi_example written to /workspace/builds/worker-10/source/Cargo.toml [INFO] crate git repo https://github.com/danielpclark/bench_ruby_ffi_example 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] Downloading crates ... [INFO] [stderr] Downloaded array_tool v0.4.1 [INFO] [stderr] Downloaded ruby-sys v0.2.20 [INFO] [stderr] Downloaded ruru v0.9.3 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] 292eec942c2ddbc8aa98311167553768ccc1e1bdc15fdb5f933f8000d0a38d68 [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" "292eec942c2ddbc8aa98311167553768ccc1e1bdc15fdb5f933f8000d0a38d68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "292eec942c2ddbc8aa98311167553768ccc1e1bdc15fdb5f933f8000d0a38d68", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "292eec942c2ddbc8aa98311167553768ccc1e1bdc15fdb5f933f8000d0a38d68", kill_on_drop: false }` [INFO] [stdout] 292eec942c2ddbc8aa98311167553768ccc1e1bdc15fdb5f933f8000d0a38d68 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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] d30ce99bdb8c7d02f44b2553fa760a0bf2df48ceef35979b9b0e1bf854fbac1f [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" "d30ce99bdb8c7d02f44b2553fa760a0bf2df48ceef35979b9b0e1bf854fbac1f", kill_on_drop: false }` [INFO] [stderr] Compiling ruby-sys v0.2.20 [INFO] [stderr] Compiling array_tool v0.4.1 [INFO] [stderr] Compiling ruru v0.9.3 [INFO] [stderr] Compiling ffi_example v0.0.1 (/opt/rustwide/workdir) [INFO] [stdout] warning: unused import: `self::array_tool::string::Squeeze` [INFO] [stdout] --> src/lib.rs:11:7 [INFO] [stdout] | [INFO] [stdout] 11 | use self::array_tool::string::Squeeze; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_imports)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `extern` fn uses type `RuruExample`, which is not FFI-safe [INFO] [stdout] --> src/lib.rs:95:3 [INFO] [stdout] | [INFO] [stdout] 95 | RuruExample, [INFO] [stdout] | ^^^^^^^^^^^ not FFI-safe [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(improper_ctypes_definitions)]` on by default [INFO] [stdout] = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct [INFO] [stdout] = note: this struct has unspecified layout [INFO] [stdout] note: the type is defined here [INFO] [stdout] --> src/lib.rs:92:1 [INFO] [stdout] | [INFO] [stdout] 92 | class!(RuruExample); [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] = note: this warning originates in the macro `class` (in Nightly builds, run with -Z macro-backtrace for more info) [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: linking with `cc` failed: exit status: 1 [INFO] [stdout] | [INFO] [stdout] = note: "cc" "-Wl,--version-script=/tmp/rustcFn9Xro/list" "-m64" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.ffi_example.6f99d623-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.4tcpq7g5d03bzgp1.rcgu.o" "/opt/rustwide/target/debug/deps/ffi_example.510wvs8pha62stex.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "/opt/rustwide/target/debug/deps/libarray_tool-2795a4da8ce1c693.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/target/debug/deps/libruru-a4e537198585de89.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/target/debug/deps/libruby_sys-b214416172599e02.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/target/debug/deps/liblibc-9d687c5ad0cc667f.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/target/debug/deps/liblazy_static-1ecc6c6a78435a7a.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/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,--no-whole-archive" "-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" "-lruby-2.7" "-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/libffi_example.so" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" [INFO] [stdout] = note: /usr/bin/ld: cannot find -lruby-2.7 [INFO] [stdout] collect2: error: ld returned 1 exit status [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] error: aborting due to previous error; 2 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] error: could not compile `ffi_example` due to 2 previous errors; 2 warnings emitted [INFO] running `Command { std: "docker" "inspect" "d30ce99bdb8c7d02f44b2553fa760a0bf2df48ceef35979b9b0e1bf854fbac1f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d30ce99bdb8c7d02f44b2553fa760a0bf2df48ceef35979b9b0e1bf854fbac1f", kill_on_drop: false }` [INFO] [stdout] d30ce99bdb8c7d02f44b2553fa760a0bf2df48ceef35979b9b0e1bf854fbac1f