[INFO] cloning repository https://github.com/dodecaphonic/rust_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/dodecaphonic/rust_ffi_example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdodecaphonic%2Frust_ffi_example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdodecaphonic%2Frust_ffi_example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 73a1c32ee74f0848947012a1fdf456c29367a2b1
[INFO] testing dodecaphonic/rust_ffi_example against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fdodecaphonic%2Frust_ffi_example" "/workspace/builds/worker-2-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/dodecaphonic/rust_ffi_example on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/dodecaphonic/rust_ffi_example
[INFO] finished tweaking git repo https://github.com/dodecaphonic/rust_ffi_example
[INFO] tweaked toml for git repo https://github.com/dodecaphonic/rust_ffi_example written to /workspace/builds/worker-2-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/dodecaphonic/rust_ffi_example 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" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 5b6d627e12e4555a92954e366e8cca919c217d7268b552cea97f74488b92f8f5
[INFO] running `Command { std: "docker" "start" "-a" "5b6d627e12e4555a92954e366e8cca919c217d7268b552cea97f74488b92f8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5b6d627e12e4555a92954e366e8cca919c217d7268b552cea97f74488b92f8f5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5b6d627e12e4555a92954e366e8cca919c217d7268b552cea97f74488b92f8f5", kill_on_drop: false }`
[INFO] [stdout] 5b6d627e12e4555a92954e366e8cca919c217d7268b552cea97f74488b92f8f5
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-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=warn" "-e" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ca85e185570fde41d2c49d8a1b41d588e552d265038deff130df15189df05264
[INFO] running `Command { std: "docker" "start" "-a" "ca85e185570fde41d2c49d8a1b41d588e552d265038deff130df15189df05264", kill_on_drop: false }`
[INFO] [stderr]    Compiling rust_ffi_example v0.0.1 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcyPkMOv/symbols.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.3hhp5xjo7johp12c.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-lmagic" "-Wl,-Bstatic" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-89bc084783fdc439.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8bee4b287d4367c1.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-d61707aed80694c0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d85366256f22345b.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-96069b86b8a8cae9.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-d19d53abf68dfa6c.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-787cbccd19d64ac6.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-b3837a36b830e0d0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e3deb0e7e3f04966.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dabbb79c9815def4.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-305b01f34c9409f2.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f833521df6074e73.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9ac333113350d171.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1c126114322d0eee.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bad9164fdeeecf92.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f9374b1e480fa681.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-207f06e41d9603af.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-7e2768e66e984e85.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-957b4aff41f8cd46.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.6.rcgu.o: in function `rust_ffi_example::magic::pow':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:18: undefined reference to `magic_pow'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_ffi_example-712b54c79372c9a4.rust_ffi_example.c894930b-cgu.6.rcgu.o: in function `rust_ffi_example::magic::multiply':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:24: undefined reference to `magic_multiply'
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust_ffi_example` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ca85e185570fde41d2c49d8a1b41d588e552d265038deff130df15189df05264", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ca85e185570fde41d2c49d8a1b41d588e552d265038deff130df15189df05264", kill_on_drop: false }`
[INFO] [stdout] ca85e185570fde41d2c49d8a1b41d588e552d265038deff130df15189df05264
