[INFO] cloning repository https://github.com/jackyzhen/rust-vs-go-slides
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackyzhen/rust-vs-go-slides" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aab94ec37548c57d445ea7438359d3f1e66f0988
[INFO] testing jackyzhen/rust-vs-go-slides against beta-2020-10-09 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides" "/workspace/builds/worker-2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackyzhen/rust-vs-go-slides on toolchain beta-2020-10-09
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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 /workspace/builds/worker-2/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-10-09" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating git repository `https://github.com/DenisKolodin/yew`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded http v0.1.8
[INFO] [stderr]   Downloaded stdweb-derive v0.4.0
[INFO] [stderr]   Downloaded base-x v0.2.2
[INFO] [stderr]   Downloaded discard v1.0.3
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.1.0
[INFO] [stderr]   Downloaded stdweb v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 04749b3a28c2509c2ddaeed627803414bb0b1eae1491afa8df6fa0c44591fdd4
[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" "04749b3a28c2509c2ddaeed627803414bb0b1eae1491afa8df6fa0c44591fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "04749b3a28c2509c2ddaeed627803414bb0b1eae1491afa8df6fa0c44591fdd4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "04749b3a28c2509c2ddaeed627803414bb0b1eae1491afa8df6fa0c44591fdd4", kill_on_drop: false }`
[INFO] [stdout] 04749b3a28c2509c2ddaeed627803414bb0b1eae1491afa8df6fa0c44591fdd4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-10-09" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 19e41620b7d1051afbea500ded3e8124c84d8af4268b53bd3d6e5ffac25f501b
[INFO] running `Command { std: "docker" "start" "-a" "19e41620b7d1051afbea500ded3e8124c84d8af4268b53bd3d6e5ffac25f501b", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.42
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling cc v1.0.18
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling cfg-if v0.1.4
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling slab v0.4.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling http v0.1.8
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling bincode v1.0.1
[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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub handler: Option<Box<Task>>,
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[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/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.3kmridyaglatiadi.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-56e026b423f3375e/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librust_vs_go_slides-a5bae3c4d67054e4.rlib" "/opt/rustwide/target/debug/deps/libpulldown_cmark-c41b43a7332d655a.rlib" "/opt/rustwide/target/debug/deps/libbitflags-e1adf2d5a3c5eab4.rlib" "/opt/rustwide/target/debug/deps/libyew-0683539ef9d4186c.rlib" "/opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib" "/opt/rustwide/target/debug/deps/libdiscard-75d7fc041849b731.rlib" "/opt/rustwide/target/debug/deps/libslab-6f9b7899ef2aefdf.rlib" "/opt/rustwide/target/debug/deps/libanymap-c5ec738a6cce3d5b.rlib" "/opt/rustwide/target/debug/deps/libbincode-07891fd04fbee021.rlib" "/opt/rustwide/target/debug/deps/libserde_json-e784ab60416cb581.rlib" "/opt/rustwide/target/debug/deps/libdtoa-155c8379712b16f0.rlib" "/opt/rustwide/target/debug/deps/libserde-ce9a4e04432257c1.rlib" "/opt/rustwide/target/debug/deps/libhttp-af1b1a0a1f971f7c.rlib" "/opt/rustwide/target/debug/deps/libitoa-50560fb57a0ecaba.rlib" "/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rlib" "/opt/rustwide/target/debug/deps/libbytes-07933cff485a8322.rlib" "/opt/rustwide/target/debug/deps/libiovec-28c79699867c289f.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0eae9a9907f3c0c1.rlib" "/opt/rustwide/target/debug/deps/liblog-3ad2b0a0333f9cfc.rlib" "/opt/rustwide/target/debug/deps/libfailure-269dd5d5d21b0ce9.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-9b5dc7f9068ffea8.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-c7d2094ce79aa99b.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-784d1ffed57fb06c.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ceac252e29b68a89.rlib" "/opt/rustwide/target/debug/deps/liblibc-dc5293f2db4df33e.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-3532beb752f910d7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3529ece450b7f3c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-23e8f582a6744f80.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-5e7e0793b29cbf78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-253e0736424ceb78.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-b6fd484888124c85.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-cca4d20e4b53839c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0a7401891c2a4f50.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-efbb25e073df787e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-25965457612624bc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-09058283ea779342.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-ab973dacc0513511.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b437d6640b1f764b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8cc0b2380206399c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-727cdf2b6a468113.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cf4d442d877ea2f4.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-10-09-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-7e5b6df427ca977c.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_vs_go_slides-27af5d088687e8de.rust_vs_go_slides.can9jtr0-cgu.2.rcgu.o: in function `stdweb::webapi::parent_node::IParentNode::query_selector':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/parent_node.rs:23: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-a5bae3c4d67054e4.rlib(rust_vs_go_slides-a5bae3c4d67054e4.rust_vs_go_slides.6l8o3b1m-cgu.11.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-a5bae3c4d67054e4.rlib(rust_vs_go_slides-a5bae3c4d67054e4.rust_vs_go_slides.6l8o3b1m-cgu.11.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-a5bae3c4d67054e4.rlib(rust_vs_go_slides-a5bae3c4d67054e4.rust_vs_go_slides.6l8o3b1m-cgu.11.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-a5bae3c4d67054e4.rlib(rust_vs_go_slides-a5bae3c4d67054e4.rust_vs_go_slides.6l8o3b1m-cgu.11.rcgu.o): in function `stdweb::webapi::node::INode::next_sibling':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/node.rs:142: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-a5bae3c4d67054e4.rlib(rust_vs_go_slides-a5bae3c4d67054e4.rust_vs_go_slides.6l8o3b1m-cgu.11.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/element.rs:25: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.15.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /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] [stdout]           /usr/bin/ld: /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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.15.rcgu.o): in function `<stdweb::webapi::element::Element as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/element.rs:173: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.3.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stdout]           /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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.3.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::HierarchyRequestError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::NotFoundError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /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] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-eef43646e23c9d54.rlib(stdweb-eef43646e23c9d54.stdweb.4mu30x8q-cgu.7.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:34: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[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 `Command { std: "docker" "inspect" "19e41620b7d1051afbea500ded3e8124c84d8af4268b53bd3d6e5ffac25f501b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "19e41620b7d1051afbea500ded3e8124c84d8af4268b53bd3d6e5ffac25f501b", kill_on_drop: false }`
[INFO] [stdout] 19e41620b7d1051afbea500ded3e8124c84d8af4268b53bd3d6e5ffac25f501b
