[INFO] cloning 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" "clone" "--bare" "https://github.com/aidanhs/slow-ref-stdweb-example" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3fe6f72f6dd92ca0027a4334e1f00124fee9a74f
[INFO] testing aidanhs/slow-ref-stdweb-example against beta-2021-01-01 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aidanhs/slow-ref-stdweb-example on toolchain beta-2021-01-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-01-01" "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-8/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" "+beta-2021-01-01" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/DenisKolodin/yew.git`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded serde_json v1.0.17
[INFO] [stderr]   Downloaded itoa v0.4.1
[INFO] [stderr]   Downloaded quote v0.6.2
[INFO] [stderr]   Downloaded stdweb-derive v0.4.0
[INFO] [stderr]   Downloaded http v0.1.5
[INFO] [stderr]   Downloaded cfg-if v0.1.3
[INFO] [stderr]   Downloaded log v0.4.1
[INFO] [stderr]   Downloaded serde v1.0.59
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded backtrace v0.3.7
[INFO] [stderr]   Downloaded failure_derive v0.1.1
[INFO] [stderr]   Downloaded failure v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.8
[INFO] [stderr]   Downloaded synstructure v0.6.1
[INFO] [stderr]   Downloaded byteorder v1.2.3
[INFO] [stderr]   Downloaded cc v1.0.15
[INFO] [stderr]   Downloaded libc v0.2.41
[INFO] [stderr]   Downloaded bytes v0.4.7
[INFO] [stderr]   Downloaded stdweb v0.4.6
[INFO] [stderr]   Downloaded discard v1.0.3
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.1.0
[INFO] [stderr]   Downloaded quote v0.4.2
[INFO] [stderr]   Downloaded proc-macro2 v0.4.3
[INFO] [stderr]   Downloaded syn v0.14.0
[INFO] [stderr]   Downloaded base-x v0.2.2
[INFO] [stderr]   Downloaded serde_derive v1.0.59
[INFO] [stderr]   Downloaded web_logger v0.1.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] b9dbbf9a940ebe4f75a9536a5aa15c3c55ccb6d1be0d70020fc0e682a9a0d10d
[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" "b9dbbf9a940ebe4f75a9536a5aa15c3c55ccb6d1be0d70020fc0e682a9a0d10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "b9dbbf9a940ebe4f75a9536a5aa15c3c55ccb6d1be0d70020fc0e682a9a0d10d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b9dbbf9a940ebe4f75a9536a5aa15c3c55ccb6d1be0d70020fc0e682a9a0d10d", kill_on_drop: false }`
[INFO] [stdout] b9dbbf9a940ebe4f75a9536a5aa15c3c55ccb6d1be0d70020fc0e682a9a0d10d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "+beta-2021-01-01" "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] c3ff05df1179294d3d824aed1f147c5ca78df0deb4e6b4edd7c28f89b68c6714
[INFO] running `Command { std: "docker" "start" "-a" "c3ff05df1179294d3d824aed1f147c5ca78df0deb4e6b4edd7c28f89b68c6714", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling cc v1.0.15
[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 iovec v0.1.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[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/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.1pqj1b8hq67l8zn6.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-16a4a955f19d85fa/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-bd1741044a289af3.rlib" "/opt/rustwide/target/debug/deps/libhttp-e9ae05a9ba36ce45.rlib" "/opt/rustwide/target/debug/deps/libfnv-81254b20febae08d.rlib" "/opt/rustwide/target/debug/deps/libbytes-157910b07e63d188.rlib" "/opt/rustwide/target/debug/deps/libiovec-c582f904bfff6b0f.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-c1b44e45763452f1.rlib" "/opt/rustwide/target/debug/deps/libfailure-67726d6abf6fea4a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-2c702fbe9b278a18.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-437431fe67f92ae1.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b2f25b63572fb187.rlib" "/opt/rustwide/target/debug/deps/liblibc-332cacf012734e1a.rlib" "/opt/rustwide/target/debug/deps/libweb_logger-71fae059dc3e076b.rlib" "/opt/rustwide/target/debug/deps/libstdweb-1b702a375e84a117.rlib" "/opt/rustwide/target/debug/deps/libdiscard-dc97db543a8a7401.rlib" "/opt/rustwide/target/debug/deps/libserde_json-131ca5d321022369.rlib" "/opt/rustwide/target/debug/deps/libitoa-c22d898cb58e6a78.rlib" "/opt/rustwide/target/debug/deps/libdtoa-9e582f846bf6d236.rlib" "/opt/rustwide/target/debug/deps/libserde-1605d99c7f5b01e2.rlib" "/opt/rustwide/target/debug/deps/liblog-29085723fd5b126b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-5a8068f7a24d113f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-7444fd17919e9af0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-0ee2f67026959ab7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-df1bcd1e82256d04.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-ed9ecf1b54021131.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0ede66bb24e94b96.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7c2de7f50940865c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-b138d50085fd4683.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-6576870d8f2b9ae2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-042a30c5f67b2c91.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7b3f33d3dbe385dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-90b3063cd7b22527.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-17f9484f8dc4da1e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-df38345acd9d92e1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-a5e10ca10bdd9e54.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9e5b4162eeef2cef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-3a4e739a77468800.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0f3a0c116d5e04d6.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-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/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-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/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-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/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-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/webapi/node.rs:142: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-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/webapi/node.rs:55: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-af7e8147569938c9.logobble_dataflow_page.7gxslfuu-cgu.1.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:55: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-cgu.15.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/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-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-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-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-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-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-cgu.3.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-0.4.6/src/webcore/macros.rs:564: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-cgu.4.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-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-cgu.4.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-1b702a375e84a117.rlib(stdweb-1b702a375e84a117.stdweb.88dv8u0o-cgu.8.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/object.rs:68: 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" "c3ff05df1179294d3d824aed1f147c5ca78df0deb4e6b4edd7c28f89b68c6714", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ff05df1179294d3d824aed1f147c5ca78df0deb4e6b4edd7c28f89b68c6714", kill_on_drop: false }`
[INFO] [stdout] c3ff05df1179294d3d824aed1f147c5ca78df0deb4e6b4edd7c28f89b68c6714