[INFO] updating cached repository https://github.com/elpassion-labs/wasm-demo
[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] ac5afd8cf4cf334031225abd7aee0a863ff92cad
[INFO] testing elpassion-labs/wasm-demo against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Felpassion-labs%2Fwasm-demo" "/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/elpassion-labs/wasm-demo on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/elpassion-labs/wasm-demo
[INFO] finished tweaking git repo https://github.com/elpassion-labs/wasm-demo
[INFO] tweaked toml for git repo https://github.com/elpassion-labs/wasm-demo written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/elpassion-labs/wasm-demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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" "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:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f0f786986cb0841793f292202b5c23149b7fcb9fd089b016335f62244f59c7c5
[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" "f0f786986cb0841793f292202b5c23149b7fcb9fd089b016335f62244f59c7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f0f786986cb0841793f292202b5c23149b7fcb9fd089b016335f62244f59c7c5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f0f786986cb0841793f292202b5c23149b7fcb9fd089b016335f62244f59c7c5", kill_on_drop: false }`
[INFO] [stdout] f0f786986cb0841793f292202b5c23149b7fcb9fd089b016335f62244f59c7c5
[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" "MAP_USER_ID=0" "-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@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c0903a00e0ecf8b4f2e6da5dc1a7e77e9f3c6d39f2e8f80a2b4b22a8c693b85f
[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" "c0903a00e0ecf8b4f2e6da5dc1a7e77e9f3c6d39f2e8f80a2b4b22a8c693b85f", kill_on_drop: false }`
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling byteorder v1.2.6
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.0
[INFO] [stderr]    Compiling failure_derive v0.1.2
[INFO] [stderr]    Compiling cfg-if v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling num-traits v0.1.43
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling syn v0.15.8
[INFO] [stderr]    Compiling log v0.4.5
[INFO] [stderr]    Compiling bytes v0.4.10
[INFO] [stderr]    Compiling rmp v0.8.7
[INFO] [stderr]    Compiling http v0.1.13
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_derive v1.0.79
[INFO] [stderr]    Compiling serde_json v1.0.32
[INFO] [stderr]    Compiling rmp-serde v0.13.7
[INFO] [stderr]    Compiling serde_yaml v0.7.5
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling toml v0.4.8
[INFO] [stderr]    Compiling serde_cbor v0.8.2
[INFO] [stderr]    Compiling synstructure v0.9.0
[INFO] [stderr]    Compiling stdweb-derive v0.5.0
[INFO] [stderr]    Compiling failure v0.1.2
[INFO] [stderr]    Compiling stdweb v0.4.9
[INFO] [stderr]    Compiling yew v0.5.0 (https://github.com/DenisKolodin/yew#33ebfcbe)
[INFO] [stderr]    Compiling wasm-demo v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: variant is never constructed: `GotInput`
[INFO] [stdout]   --> src/main.rs:65:5
[INFO] [stdout]    |
[INFO] [stdout] 65 |     GotInput(String),
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[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-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb" "/opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.23ozuz9nfdeqiu4.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-1f9cbf7e17b867c8/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-2e086e5f02e59a80.rlib" "/opt/rustwide/target/debug/deps/libserde_cbor-2b6a9565b2f08010.rlib" "/opt/rustwide/target/debug/deps/librmp_serde-d637ee73cfe4c8da.rlib" "/opt/rustwide/target/debug/deps/librmp-2bb02668f1b62bef.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-59056e9b79ae238f.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cdbb2c93d82ff0aa.rlib" "/opt/rustwide/target/debug/deps/libserde_yaml-f52f50fde1b1ddcb.rlib" "/opt/rustwide/target/debug/deps/libyaml_rust-f515d8f4563ff09c.rlib" "/opt/rustwide/target/debug/deps/liblinked_hash_map-ac94e133861aa5cb.rlib" "/opt/rustwide/target/debug/deps/libdtoa-155c8379712b16f0.rlib" "/opt/rustwide/target/debug/deps/libtoml-92f750c56df833ea.rlib" "/opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib" "/opt/rustwide/target/debug/deps/libdiscard-567e082f2ad47cfa.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-789bb367d89dc75d.rlib" "/opt/rustwide/target/debug/deps/libslab-9d13d6c58b92640e.rlib" "/opt/rustwide/target/debug/deps/libanymap-c5ec738a6cce3d5b.rlib" "/opt/rustwide/target/debug/deps/libbincode-2ef30d193e948f62.rlib" "/opt/rustwide/target/debug/deps/libserde_json-7d48282dc6a7b2d6.rlib" "/opt/rustwide/target/debug/deps/libryu-966ec7b0dcae4b97.rlib" "/opt/rustwide/target/debug/deps/libserde-d3e5277628752c0e.rlib" "/opt/rustwide/target/debug/deps/libhttp-66acd4fa56150d45.rlib" "/opt/rustwide/target/debug/deps/libitoa-976ae10b2fc88251.rlib" "/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rlib" "/opt/rustwide/target/debug/deps/libbytes-4e74d5d79726effc.rlib" "/opt/rustwide/target/debug/deps/libiovec-478bf5a8a06d43b3.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-b50c166d1e4b54bc.rlib" "/opt/rustwide/target/debug/deps/liblog-5e3aa69b28308632.rlib" "/opt/rustwide/target/debug/deps/libfailure-955f23cfe9f66dab.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-be7d19395fae0c93.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-d6211f784aa8fc28.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-784d1ffed57fb06c.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-642a78bbea3a8aa7.rlib" "/opt/rustwide/target/debug/deps/liblibc-992e4eaaf6dee430.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.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/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.10.rcgu.o: in function `<stdweb::webapi::html_elements::textarea::TextAreaElement as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.10.rcgu.o: in function `stdweb::webapi::html_elements::textarea::TextAreaElement::set_value':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.12.rcgu.o: in function `<stdweb::webapi::html_elements::input::InputElement as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.12.rcgu.o: in function `stdweb::webapi::html_elements::input::InputElement::set_raw_value':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.12.rcgu.o: in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/wasm_demo-63f5298374deb6cb.wasm_demo.6bad5ppo-cgu.14.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/macros.rs:37: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.13.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/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-0.4.9/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.13.rcgu.o): in function `<stdweb::webcore::symbol::Symbol as core::clone::Clone>::clone':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/symbol.rs:10: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.13.rcgu.o): in function `<stdweb::webcore::symbol::Symbol as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/symbol.rs:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.13.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-0.4.9/src/webapi/element.rs:173: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.2.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.2.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-0.4.9/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5cc7f3c7594e0497.rlib(stdweb-5cc7f3c7594e0497.stdweb.x4jlzagi-cgu.2.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.9/src/webapi/node.rs:357: 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; 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `wasm-demo`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "c0903a00e0ecf8b4f2e6da5dc1a7e77e9f3c6d39f2e8f80a2b4b22a8c693b85f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c0903a00e0ecf8b4f2e6da5dc1a7e77e9f3c6d39f2e8f80a2b4b22a8c693b85f", kill_on_drop: false }`
[INFO] [stdout] c0903a00e0ecf8b4f2e6da5dc1a7e77e9f3c6d39f2e8f80a2b4b22a8c693b85f