[INFO] cloning repository https://github.com/bumi/openalias-ruby
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/bumi/openalias-ruby" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumi%2Fopenalias-ruby", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumi%2Fopenalias-ruby'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 562e4fac459cd2932d76f9825d6c1cd76343a107
[INFO] testing bumi/openalias-ruby against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fbumi%2Fopenalias-ruby" "/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/bumi/openalias-ruby on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/bumi/openalias-ruby
[INFO] finished tweaking git repo https://github.com/bumi/openalias-ruby
[INFO] tweaked toml for git repo https://github.com/bumi/openalias-ruby written to /workspace/builds/worker-13/source/Cargo.toml
[INFO] crate git repo https://github.com/bumi/openalias-ruby already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c63629a92759efc12c09843a4b9783bd0d985f0101aafaf35e1632e8ef73cc03
[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" "c63629a92759efc12c09843a4b9783bd0d985f0101aafaf35e1632e8ef73cc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c63629a92759efc12c09843a4b9783bd0d985f0101aafaf35e1632e8ef73cc03", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c63629a92759efc12c09843a4b9783bd0d985f0101aafaf35e1632e8ef73cc03", kill_on_drop: false }`
[INFO] [stdout] c63629a92759efc12c09843a4b9783bd0d985f0101aafaf35e1632e8ef73cc03
[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" "rustops/crates-build-env@sha256:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f8675642c980e4de5868d970f1b255da360ddbf7cf46d0a3764e1a8d8ae42878
[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" "f8675642c980e4de5868d970f1b255da360ddbf7cf46d0a3764e1a8d8ae42878", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.43
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling ucd-util v0.1.2
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling term v0.4.6
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling rustfmt v0.9.0
[INFO] [stderr]    Compiling unicode-segmentation v1.2.1
[INFO] [stderr]    Compiling diff v0.1.11
[INFO] [stderr]    Compiling ruby-sys v0.2.20
[INFO] [stderr]    Compiling embed-resource v1.1.4
[INFO] [stderr]    Compiling lazy_static v1.1.0
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling memchr v2.1.1
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling peg v0.5.7
[INFO] [stderr]    Compiling regex-syntax v0.5.6
[INFO] [stderr]    Compiling log v0.3.9
[INFO] [stderr]    Compiling idna v0.1.5
[INFO] [stderr]    Compiling extprim v1.6.0
[INFO] [stderr]    Compiling rand v0.4.3
[INFO] [stderr]    Compiling atty v0.2.11
[INFO] [stderr]    Compiling strings v0.1.1
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling ruru v0.9.3
[INFO] [stderr]    Compiling quote v0.6.9
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling syn v0.15.17
[INFO] [stderr]    Compiling rand v0.3.22
[INFO] [stderr]    Compiling resolve v0.1.2
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling env_logger v0.4.3
[INFO] [stderr]    Compiling syntex_pos v0.59.1
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling syntex_errors v0.59.1
[INFO] [stderr]    Compiling syntex_syntax v0.59.1
[INFO] [stderr]    Compiling openalias v0.2.0
[INFO] [stderr]    Compiling openalias v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `Openalias`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:10:5
[INFO] [stdout]    |
[INFO] [stdout] 10 |     Openalias,
[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:7:1
[INFO] [stdout]    |
[INFO] [stdout] 7  | class!(Openalias);
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]    = note: this warning originates in a macro (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.openalias_rust.5r4h9mcn-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/libopenalias_rust.so" "-Wl,--version-script=/tmp/rustcKdKlEV/list" "/opt/rustwide/target/debug/deps/openalias_rust.1owrc7nb5aikwo9l.rcgu.o" "/opt/rustwide/target/debug/deps/openalias_rust.2n33p2rndm5dhh5m.rcgu.o" "-shared" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/usr/lib" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libopenalias-041d6739f0b97016.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libcrc-a4e1a16bcb5e832a.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libclap-dc0a6111eec31a8c.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libvec_map-8d2af087de360564.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libtextwrap-9e7eb393cf1e6503.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libunicode_width-a9a20247601aeda8.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libstrsim-5da1e89203290db5.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libbitflags-5c7d271dfd8fcb55.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libatty-8e01cdf74aacefca.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libansi_term-017778a055950e81.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libresolve-107f1778903141a3.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/librand-440fd8100eadb9c9.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/librand-28a5d62f4f772b17.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/liblog-5f42b8d0af8bc792.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/liblog-dd2e1dd9ed7755be.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libcfg_if-71fd10852ca6af1b.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libidna-9a1c8b92c5c741f1.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libunicode_normalization-2c2c8d7ad91531b3.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libunicode_bidi-7e8075a07f0e5422.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libmatches-5499bb0a916b29b9.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libruru-7260c7d8631241bf.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libruby_sys-1ab01e1d4c1038b1.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/liblibc-a1242cd790f47890.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/liblazy_static-9850e1ed257f46c2.rlib" "-Wl,--no-whole-archive" "-Wl,--start-group" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libstd-e12de7683a34c500.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libpanic_unwind-446a53c2e468675f.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libminiz_oxide-86fef9fb252a2d33.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libadler-3bed9bfd30304751.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libobject-0e38eeb474a7b386.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libaddr2line-a846ed547b824740.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libgimli-c9540f0a4fb9265d.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/librustc_demangle-7d2ca66c92c356eb.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libhashbrown-147e2c808f949493.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libunwind-74bfdd0ce7d0ed48.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libcfg_if-6777f47f1c491841.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/liblibc-b104f1790174f2be.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/liballoc-db37898996f45c13.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/librustc_std_workspace_core-25b7435131fc4938.rlib" "-Wl,--no-whole-archive" "-Wl,--whole-archive" "/tmp/rustcKdKlEV/libcore-9d4b6f3c097e876e.rlib" "-Wl,--no-whole-archive" "-Wl,--end-group" "/tmp/rustcKdKlEV/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lruby-2.7" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `openalias`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "f8675642c980e4de5868d970f1b255da360ddbf7cf46d0a3764e1a8d8ae42878", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f8675642c980e4de5868d970f1b255da360ddbf7cf46d0a3764e1a8d8ae42878", kill_on_drop: false }`
[INFO] [stdout] f8675642c980e4de5868d970f1b255da360ddbf7cf46d0a3764e1a8d8ae42878