[INFO] updating cached repository babariviere/unibot
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/babariviere/unibot
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/babariviere/unibot" "work/ex/beta-1.37-6/sources/1.36.0/gh/babariviere/unibot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/babariviere/unibot'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/babariviere/unibot" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/babariviere/unibot"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/babariviere/unibot'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 64c81d5880811da6d79f7b70fda111bf0e00f4e0
[INFO] sha for GitHub repo babariviere/unibot: 64c81d5880811da6d79f7b70fda111bf0e00f4e0
[INFO] validating manifest of babariviere/unibot on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of babariviere/unibot on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing babariviere/unibot
[INFO] finished frobbing babariviere/unibot
[INFO] frobbed toml for babariviere/unibot written to work/ex/beta-1.37-6/sources/1.36.0/gh/babariviere/unibot/Cargo.toml
[INFO] started frobbing babariviere/unibot
[INFO] finished frobbing babariviere/unibot
[INFO] frobbed toml for babariviere/unibot written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/babariviere/unibot/Cargo.toml
[INFO] crate babariviere/unibot already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing babariviere/unibot against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-4/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/babariviere/unibot:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] c8bd90db2c7f69fd7bec64eb81a6d073206d2f07e7c6bbab5a3e9027791ce06f
[INFO] running `"docker" "start" "-a" "c8bd90db2c7f69fd7bec64eb81a6d073206d2f07e7c6bbab5a3e9027791ce06f"`
[INFO] [stderr]    Compiling siphasher v0.2.0
[INFO] [stderr]    Compiling toml v0.2.1
[INFO] [stderr]    Compiling error-chain v0.7.2
[INFO] [stderr]    Compiling libc v0.2.20
[INFO] [stderr]    Compiling gcc v0.3.41
[INFO] [stderr]    Compiling openssl v0.9.6
[INFO] [stderr]    Compiling unicode-normalization v0.1.3
[INFO] [stderr]    Compiling rustc-serialize v0.3.22
[INFO] [stderr]    Compiling mac v0.0.2
[INFO] [stderr]    Compiling backtrace v0.3.0
[INFO] [stderr]    Compiling rustc-demangle v0.1.3
[INFO] [stderr]    Compiling httparse v1.2.1
[INFO] [stderr]    Compiling bit-vec v0.4.3
[INFO] [stderr]    Compiling unicode-segmentation v0.1.3
[INFO] [stderr]    Compiling unicode-bidi v0.2.4
[INFO] [stderr]    Compiling utf-8 v0.6.0
[INFO] [stderr]    Compiling phf_shared v0.7.21
[INFO] [stderr]    Compiling mime v0.2.2
[INFO] [stderr]    Compiling rand v0.3.15
[INFO] [stderr]    Compiling num_cpus v1.2.1
[INFO] [stderr]    Compiling time v0.1.36
[INFO] [stderr]    Compiling term_size v0.2.1
[INFO] [stderr]    Compiling bit-set v0.4.0
[INFO] [stderr]    Compiling phf v0.7.21
[INFO] [stderr]    Compiling backtrace-sys v0.1.5
[INFO] [stderr]    Compiling metadeps v1.1.1
[INFO] [stderr]    Compiling futf v0.1.2
[INFO] [stderr]    Compiling clap v2.19.3
[INFO] [stderr]    Compiling idna v0.1.0
[INFO] [stderr]    Compiling term v0.4.4
[INFO] [stderr]    Compiling tendril v0.2.3
[INFO] [stderr]    Compiling openssl-sys v0.9.6
[INFO] [stderr]    Compiling phf_generator v0.7.21
[INFO] [stderr]    Compiling string_cache v0.2.29
[INFO] [stderr]    Compiling phf_codegen v0.7.21
[INFO] [stderr]    Compiling error-chain v0.8.1
[INFO] [stderr]    Compiling url v1.3.0
[INFO] [stderr]    Compiling html5ever v0.5.4
[INFO] [stderr] warning[E0713]: borrow may still be in use when destructor runs
[INFO] [stderr]    --> /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/url-1.3.0/src/form_urlencoded.rs:246:40
[INFO] [stderr]     |
[INFO] [stderr] 244 | impl<'a> Target for ::UrlQuery<'a> {
[INFO] [stderr]     |      -- lifetime `'a` defined here
[INFO] [stderr] 245 |     fn as_mut_string(&mut self) -> &mut String { &mut self.url.serialization }
[INFO] [stderr] 246 |     fn finish(self) -> &'a mut ::Url { self.url }
[INFO] [stderr]     |                                        ^^^^^^^^ - here, drop of `self` needs exclusive access to `*self.url`, because the type `UrlQuery<'_>` implements the `Drop` trait
[INFO] [stderr]     |                                        |
[INFO] [stderr]     |                                        returning this value requires that `*self.url` is borrowed for `'a`
[INFO] [stderr]     |
[INFO] [stderr]     = warning: this error has been downgraded to a warning for backwards compatibility with previous releases
[INFO] [stderr]     = warning: this represents potential undefined behavior in your code and this warning will become a hard error in the future
[INFO] [stderr]     = note: for more information, try `rustc --explain E0729`
[INFO] [stderr] 
[INFO] [stderr]    Compiling hyper v0.10.0
[INFO] [stderr]    Compiling native-tls v0.1.1
[INFO] [stderr]    Compiling hyper-native-tls v0.2.1
[INFO] [stderr]    Compiling select v0.3.0
[INFO] [stderr]    Compiling unibot v0.1.0 (/opt/crater/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]  --> src/crawl/config.rs:9:17
[INFO] [stderr]   |
[INFO] [stderr] 9 |     filter: Arc<Fn(&Url, &Url) -> bool + Send + Sync>,
[INFO] [stderr]   |                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: use `dyn`: `dyn Fn(&Url, &Url) -> bool + Send + Sync`
[INFO] [stderr]   |
[INFO] [stderr]   = note: #[warn(bare_trait_objects)] on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain!{
[INFO] [stderr] 3  | |     foreign_links {
[INFO] [stderr] 4  | |         Io(::std::io::Error);
[INFO] [stderr] 5  | |         Hyper(::hyper::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: #[warn(deprecated)] on by default
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::error::Error::cause': replaced by Error::source, which can support downcasting
[INFO] [stderr]   --> src/error.rs:2:1
[INFO] [stderr]    |
[INFO] [stderr] 2  | / error_chain!{
[INFO] [stderr] 3  | |     foreign_links {
[INFO] [stderr] 4  | |         Io(::std::io::Error);
[INFO] [stderr] 5  | |         Hyper(::hyper::Error);
[INFO] [stderr] ...  |
[INFO] [stderr] 22 | |     }
[INFO] [stderr] 23 | | }
[INFO] [stderr]    | |_^
[INFO] [stderr]    |
[INFO] [stderr]    = note: this warning originates in a macro outside of the current crate (in Nightly builds, run with -Z external-macro-backtrace for more info)
[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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.unibot.ei09ljk1-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4" "/opt/crater/target/debug/deps/unibot-d4e943c6e9cf2fb4.1ehw9p5u9k6225fm.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/usr/lib/x86_64-linux-gnu" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libterm-9aff99235a5d2797.rlib" "/opt/crater/target/debug/deps/liblibunibot-0a15562e8b2a58d2.rlib" "/opt/crater/target/debug/deps/libselect-c78e9498a677c6ee.rlib" "/opt/crater/target/debug/deps/libhtml5ever-e02340d32e9cdc15.rlib" "/opt/crater/target/debug/deps/libtendril-e3c658a7a486722e.rlib" "/opt/crater/target/debug/deps/libencoding-6b8dd5ea4cb27bd5.rlib" "/opt/crater/target/debug/deps/libencoding_index_tradchinese-1131a16f0f98b3fe.rlib" "/opt/crater/target/debug/deps/libencoding_index_simpchinese-3f1e54dd83c60324.rlib" "/opt/crater/target/debug/deps/libencoding_index_japanese-658f338d0fb6ac8d.rlib" "/opt/crater/target/debug/deps/libencoding_index_korean-f69bdce4439b48dd.rlib" "/opt/crater/target/debug/deps/libencoding_index_singlebyte-3c524629977f3b84.rlib" "/opt/crater/target/debug/deps/libutf8-0ce1a3019734e180.rlib" "/opt/crater/target/debug/deps/libfutf-fc69905d61f25633.rlib" "/opt/crater/target/debug/deps/libphf-d54b8785e5aa9859.rlib" "/opt/crater/target/debug/deps/libmac-060ac698ad798ba2.rlib" "/opt/crater/target/debug/deps/libstring_cache-a48fdf5fbcd8c7f4.rlib" "/opt/crater/target/debug/deps/libphf_shared-cfdd18f0cb0c20e0.rlib" "/opt/crater/target/debug/deps/libsiphasher-363feab415bedbb2.rlib" "/opt/crater/target/debug/deps/libserde-62f3db29fc7f843a.rlib" "/opt/crater/target/debug/deps/libdebug_unreachable-7e4ddf462c558906.rlib" "/opt/crater/target/debug/deps/libunreachable-374972d11d7ce0a4.rlib" "/opt/crater/target/debug/deps/libvoid-b4a3c83e92a11249.rlib" "/opt/crater/target/debug/deps/libbit_set-910e057f611be072.rlib" "/opt/crater/target/debug/deps/libbit_vec-ad8f9c2ac14c7e90.rlib" "/opt/crater/target/debug/deps/libhyper_native_tls-7ecca39f288cb628.rlib" "/opt/crater/target/debug/deps/libnative_tls-ba7d8554ff980256.rlib" "/opt/crater/target/debug/deps/libopenssl-6bc10132175dc9a8.rlib" "/opt/crater/target/debug/deps/libopenssl_sys-21fe96a87783394d.rlib" "/opt/crater/target/debug/deps/liblazy_static-324b27031227093c.rlib" "/opt/crater/target/debug/deps/libantidote-1bf644495c1bf2dd.rlib" "/opt/crater/target/debug/deps/libhyper-32e1413df8cc2711.rlib" "/opt/crater/target/debug/deps/libmime-80863ec1318c80a3.rlib" "/opt/crater/target/debug/deps/liblog-bc9d51df88434be4.rlib" "/opt/crater/target/debug/deps/liblanguage_tags-c0eb57f43d2a41bf.rlib" "/opt/crater/target/debug/deps/libtypeable-fa4659829e02080f.rlib" "/opt/crater/target/debug/deps/libtraitobject-850d8bc7f31d985c.rlib" "/opt/crater/target/debug/deps/libnum_cpus-ae485ac7dc93d098.rlib" "/opt/crater/target/debug/deps/libhttparse-fcde16203cec7afc.rlib" "/opt/crater/target/debug/deps/libunicase-da202f8ce257135b.rlib" "/opt/crater/target/debug/deps/liburl-c8b98f81180e1c94.rlib" "/opt/crater/target/debug/deps/libidna-2c3c75abf75d5381.rlib" "/opt/crater/target/debug/deps/libunicode_normalization-cb94810ccae24c51.rlib" "/opt/crater/target/debug/deps/libunicode_bidi-55bad784d8ca51bc.rlib" "/opt/crater/target/debug/deps/libmatches-b41f009379eec519.rlib" "/opt/crater/target/debug/deps/libtime-4e0d0acb537ef45e.rlib" "/opt/crater/target/debug/deps/librustc_serialize-788fa727d6d1b52d.rlib" "/opt/crater/target/debug/deps/liberror_chain-ab519a05bb156c62.rlib" "/opt/crater/target/debug/deps/libbacktrace-83adaf7cbe24ee88.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-8134a4b747663d5e.rlib" "/opt/crater/target/debug/deps/librustc_demangle-7e1e84fc0d2949f5.rlib" "/opt/crater/target/debug/deps/libcfg_if-e3a657be82e73c34.rlib" "/opt/crater/target/debug/deps/libdbghelp-610e6a484d3f70b3.rlib" "/opt/crater/target/debug/deps/libwinapi-387a29eb28388c06.rlib" "/opt/crater/target/debug/deps/libkernel32-f16f9b42bdd87fed.rlib" "/opt/crater/target/debug/deps/libclap-f554b14a977b63a5.rlib" "/opt/crater/target/debug/deps/libunicode_segmentation-75792a1cc0a1545a.rlib" "/opt/crater/target/debug/deps/libterm_size-0650b0c30e3361fa.rlib" "/opt/crater/target/debug/deps/libvec_map-4703094ead6324b7.rlib" "/opt/crater/target/debug/deps/libbitflags-e424d0a7dda42873.rlib" "/opt/crater/target/debug/deps/libunicode_width-9160dad23804e44f.rlib" "/opt/crater/target/debug/deps/liblibc-3e8a307d81baba4b.rlib" "/opt/crater/target/debug/deps/libansi_term-fcb9211d64d6a652.rlib" "/opt/crater/target/debug/deps/libstrsim-ded59fc8f8e0b320.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lssl" "-lcrypto" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/libbacktrace-83adaf7cbe24ee88.rlib(backtrace-83adaf7cbe24ee88.backtrace.9wo9y6zr-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::init_state::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:156: undefined reference to `backtrace_create_state'
[INFO] [stderr]           /opt/crater/target/debug/deps/libbacktrace-83adaf7cbe24ee88.rlib(backtrace-83adaf7cbe24ee88.backtrace.9wo9y6zr-cgu.4.rcgu.o): In function `backtrace::symbolize::libbacktrace::resolve':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:173: undefined reference to `backtrace_pcinfo'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.0/src/symbolize/libbacktrace.rs:177: undefined reference to `backtrace_syminfo'
[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 `unibot`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "c8bd90db2c7f69fd7bec64eb81a6d073206d2f07e7c6bbab5a3e9027791ce06f"`
[INFO] running `"docker" "rm" "-f" "c8bd90db2c7f69fd7bec64eb81a6d073206d2f07e7c6bbab5a3e9027791ce06f"`
[INFO] [stdout] c8bd90db2c7f69fd7bec64eb81a6d073206d2f07e7c6bbab5a3e9027791ce06f