[INFO] updating cached repository https://github.com/jackyzhen/rust-vs-go-slides
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] aab94ec37548c57d445ea7438359d3f1e66f0988
[INFO] testing jackyzhen/rust-vs-go-slides against beta-2019-09-28 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides" "work/builds/worker-0/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackyzhen/rust-vs-go-slides on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/jackyzhen/rust-vs-go-slides
[INFO] finished tweaking git repo https://github.com/jackyzhen/rust-vs-go-slides
[INFO] tweaked toml for git repo https://github.com/jackyzhen/rust-vs-go-slides written to work/builds/worker-0/source/Cargo.toml
[INFO] crate git repo https://github.com/jackyzhen/rust-vs-go-slides already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-0/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 995ac8cb5a15fc26738df96c37dee7d551d573751446777b49d147171fb2767e
[INFO] running `"docker" "start" "-a" "995ac8cb5a15fc26738df96c37dee7d551d573751446777b49d147171fb2767e"`
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling http v0.1.8
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling yew v0.5.0 (https://github.com/DenisKolodin/yew?rev=b957f8778ebb3ce88a6d10dfb41f04a4e44d6640#b957f877)
[INFO] [stderr]    Compiling rust-vs-go-slides v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/model.rs:28:29
[INFO] [stderr]    |
[INFO] [stderr] 28 |     pub handler: Option<Box<Task>>,
[INFO] [stderr]    |                             ^^^^ help: use `dyn`: `dyn Task`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[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/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.1zf12ibp8ml3jxnz.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-51d1c7791041e833/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librust_vs_go_slides-e49e00ef1bbbecd4.rlib" "/opt/rustwide/target/debug/deps/libpulldown_cmark-efa2e415c2532dbb.rlib" "/opt/rustwide/target/debug/deps/libbitflags-920bcd2eac591960.rlib" "/opt/rustwide/target/debug/deps/libyew-2ac14b2e283aa4b5.rlib" "/opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib" "/opt/rustwide/target/debug/deps/libdiscard-c47abdd0105b3923.rlib" "/opt/rustwide/target/debug/deps/libslab-3223f751692226db.rlib" "/opt/rustwide/target/debug/deps/libanymap-9b2684f03e561fe5.rlib" "/opt/rustwide/target/debug/deps/libbincode-b26b5417581bc9f2.rlib" "/opt/rustwide/target/debug/deps/libserde_json-db871f1a03b32c39.rlib" "/opt/rustwide/target/debug/deps/libdtoa-b2e2b8327c5faaa3.rlib" "/opt/rustwide/target/debug/deps/libserde-0137ae66588bee9a.rlib" "/opt/rustwide/target/debug/deps/libhttp-f736dae100e68717.rlib" "/opt/rustwide/target/debug/deps/libitoa-51a96f20442ed7de.rlib" "/opt/rustwide/target/debug/deps/libfnv-593caa3c2629b83d.rlib" "/opt/rustwide/target/debug/deps/libbytes-84d6258a7996f08a.rlib" "/opt/rustwide/target/debug/deps/libiovec-ed9b58d2213fc3d9.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-15d101da604ba292.rlib" "/opt/rustwide/target/debug/deps/liblog-011cef673e33fb75.rlib" "/opt/rustwide/target/debug/deps/libfailure-d7e47d1a8884db27.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-6a302719b4c0a205.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-df3341d9ecd60996.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-21b91257395cbded.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-e479763af9a2bcf4.rlib" "/opt/rustwide/target/debug/deps/liblibc-305071ebe1b48b11.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.1.rcgu.o: In function `stdweb::webapi::parent_node::IParentNode::query_selector':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/rust_vs_go_slides-d846c9dbcbc1987b.rust_vs_go_slides.dyjb4l5v-cgu.10.rcgu.o: In function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/librust_vs_go_slides-e49e00ef1bbbecd4.rlib(rust_vs_go_slides-e49e00ef1bbbecd4.rust_vs_go_slides.ypopgjko-cgu.10.rcgu.o): In function `<stdweb::webapi::events::keyboard::KeyDownEvent as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/librust_vs_go_slides-e49e00ef1bbbecd4.rlib(rust_vs_go_slides-e49e00ef1bbbecd4.rust_vs_go_slides.ypopgjko-cgu.10.rcgu.o): In function `stdweb::webapi::event::IEvent::stop_propagation':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/librust_vs_go_slides-e49e00ef1bbbecd4.rlib(rust_vs_go_slides-e49e00ef1bbbecd4.rust_vs_go_slides.ypopgjko-cgu.10.rcgu.o): In function `stdweb::webapi::events::keyboard::IKeyboardEvent::key':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/librust_vs_go_slides-e49e00ef1bbbecd4.rlib(rust_vs_go_slides-e49e00ef1bbbecd4.rust_vs_go_slides.ypopgjko-cgu.13.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.6.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.6.rcgu.o): In function `<stdweb::webapi::dom_exception::HierarchyRequestError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:567: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.6.rcgu.o): In function `<stdweb::webapi::dom_exception::NotFoundError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:567: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.8.rcgu.o): In function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.8.rcgu.o): In function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.8.rcgu.o): In function `stdweb::webapi::document::document':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-16b5f601935c9b41.rlib(stdweb-16b5f601935c9b41.stdweb.f0yr9ro8-cgu.8.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:57: more undefined references to `emscripten_asm_const_int' follow
[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 `rust-vs-go-slides`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "995ac8cb5a15fc26738df96c37dee7d551d573751446777b49d147171fb2767e"`
[INFO] running `"docker" "rm" "-f" "995ac8cb5a15fc26738df96c37dee7d551d573751446777b49d147171fb2767e"`
[INFO] [stdout] 995ac8cb5a15fc26738df96c37dee7d551d573751446777b49d147171fb2767e