[INFO] updating cached repository https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe6f72f6dd92ca0027a4334e1f00124fee9a74f
[INFO] testing aidanhs/slow-ref-stdweb-example against try#03a1ea71b075ab964b5278bc6e74cd6c52c36ee0 for pr-74409
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example" "/workspace/builds/worker-9/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-9/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aidanhs/slow-ref-stdweb-example on toolchain 03a1ea71b075ab964b5278bc6e74cd6c52c36ee0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] finished tweaking git repo https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] tweaked toml for git repo https://github.com/aidanhs/slow-ref-stdweb-example written to /workspace/builds/worker-9/source/Cargo.toml
[INFO] crate git repo https://github.com/aidanhs/slow-ref-stdweb-example already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 14d27cc40db68d22001be15d9783baa21b7544c84700b2d0990739832dc5158d
[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" "14d27cc40db68d22001be15d9783baa21b7544c84700b2d0990739832dc5158d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "14d27cc40db68d22001be15d9783baa21b7544c84700b2d0990739832dc5158d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "14d27cc40db68d22001be15d9783baa21b7544c84700b2d0990739832dc5158d", kill_on_drop: false }`
[INFO] [stdout] 14d27cc40db68d22001be15d9783baa21b7544c84700b2d0990739832dc5158d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-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@sha256:38e1b949b06cde1964af550a6e548bd9b2b2ea170003ae122f8fc0886596cc07" "/opt/rustwide/cargo-home/bin/cargo" "+03a1ea71b075ab964b5278bc6e74cd6c52c36ee0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 32469a67e731623f41f8be30508eb138743ce3d6fd9d5a61f4091552b41e8690
[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" "32469a67e731623f41f8be30508eb138743ce3d6fd9d5a61f4091552b41e8690", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb v0.4.6
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling web_logger v0.1.0
[INFO] [stderr]    Compiling yew v0.4.0 (https://github.com/DenisKolodin/yew.git?rev=f392d7e#f392d7ef)
[INFO] [stderr]    Compiling logobble-dataflow-page v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/main.rs:33:9
[INFO] [stdout]    |
[INFO] [stdout] 33 |     let env = app.mount(elt);
[INFO] [stdout]    |         ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `env`
[INFO] [stdout]   --> src/main.rs:78:46
[INFO] [stdout]    |
[INFO] [stdout] 78 |     fn update(&mut self, msg: Self::Message, env: &mut Env<CTX, Self>) -> ShouldRender {
[INFO] [stdout]    |                                              ^^^ help: if this is intentional, prefix it with an underscore: `_env`
[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/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.1cv09ft0njtl3cdj.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-addeec98a7cc50cd/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-b680acfaba2db323.rlib" "/opt/rustwide/target/debug/deps/libhttp-65a1bee3ad3019a3.rlib" "/opt/rustwide/target/debug/deps/libfnv-e461bc511369ce67.rlib" "/opt/rustwide/target/debug/deps/libbytes-8685f2a42b8acd62.rlib" "/opt/rustwide/target/debug/deps/libiovec-dc348fb05e0dd803.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f596df4ed368e2a7.rlib" "/opt/rustwide/target/debug/deps/libfailure-3903e3e71ca681bb.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-949b0e4d3e9436ec.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-ce0ecdf826a23bea.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-09804f504d904833.rlib" "/opt/rustwide/target/debug/deps/liblibc-2acf169450dc26ff.rlib" "/opt/rustwide/target/debug/deps/libweb_logger-384926a4aa93e3b2.rlib" "/opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib" "/opt/rustwide/target/debug/deps/libdiscard-0150c773be9f3631.rlib" "/opt/rustwide/target/debug/deps/libserde_json-1421a23e5a83c9e4.rlib" "/opt/rustwide/target/debug/deps/libitoa-94fd109bac6bd2f9.rlib" "/opt/rustwide/target/debug/deps/libdtoa-a9be346276aef9f4.rlib" "/opt/rustwide/target/debug/deps/libserde-3ff1984504633baf.rlib" "/opt/rustwide/target/debug/deps/liblog-26d78a8446ca4244.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-0c03ed3d309eee9c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-5989bcf78182f65e.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-4d6da34bc177af8d.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-10e0d6c948699482.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-c2318e2415657781.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-3815b93ed84badbb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-d7999143d95238cb.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-c58298a0d40df8b8.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b7de97e2ba6fb4e2.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6f71c9f654d72cce.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-95ea48ddc44a311b.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-7402cd4761aebc14.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-68f423c59dc48a40.rlib" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-54580c7798bf2225.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/03a1ea71b075ab964b5278bc6e74cd6c52c36ee0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-95a4d456339b7385.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::next_sibling':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::remove_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-939f4371d94ee5fd.logobble_dataflow_page.agxnzezu-cgu.1.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-cgu.12.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/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-0.4.6/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-cgu.12.rcgu.o): in function `stdweb::webapi::event_target::EventListenerHandle::remove':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/event_target.rs:29: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-cgu.15.rcgu.o): in function `<stdweb::webapi::node::Node as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:357: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-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-0.4.6/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-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-0.4.6/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-cgu.3.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-0.4.6/src/webcore/macros.rs:564: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-11f658a0b20fde39.rlib(stdweb-11f658a0b20fde39.stdweb.aeg4rhwz-cgu.3.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:564: 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; 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `logobble-dataflow-page`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "32469a67e731623f41f8be30508eb138743ce3d6fd9d5a61f4091552b41e8690", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "32469a67e731623f41f8be30508eb138743ce3d6fd9d5a61f4091552b41e8690", kill_on_drop: false }`
[INFO] [stdout] 32469a67e731623f41f8be30508eb138743ce3d6fd9d5a61f4091552b41e8690