[INFO] cloning repository https://github.com/ClarkWalker/rust_wasm_yew_demo
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/ClarkWalker/rust_wasm_yew_demo" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClarkWalker%2Frust_wasm_yew_demo", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClarkWalker%2Frust_wasm_yew_demo'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3a38721892dabe6687fcde7fd4454adad5864913
[INFO] testing ClarkWalker/rust_wasm_yew_demo against 1.69.0 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FClarkWalker%2Frust_wasm_yew_demo" "/workspace/builds/worker-6-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/ClarkWalker/rust_wasm_yew_demo on toolchain 1.69.0
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/ClarkWalker/rust_wasm_yew_demo
[INFO] finished tweaking git repo https://github.com/ClarkWalker/rust_wasm_yew_demo
[INFO] tweaked toml for git repo https://github.com/ClarkWalker/rust_wasm_yew_demo written to /workspace/builds/worker-6-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/ClarkWalker/rust_wasm_yew_demo already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.69.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded quote v0.6.10
[INFO] [stderr]   Downloaded serde_json v1.0.33
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded proc-macro2 v0.4.24
[INFO] [stderr]   Downloaded syn v0.15.23
[INFO] [stderr]   Downloaded http v0.1.14
[INFO] [stderr]   Downloaded yew v0.4.0
[INFO] [stderr]   Downloaded backtrace-sys v0.1.26
[INFO] [stderr]   Downloaded cc v1.0.27
[INFO] [stderr]   Downloaded serde_derive v1.0.82
[INFO] [stderr]   Downloaded autocfg v0.1.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.11
[INFO] [stderr]   Downloaded backtrace v0.3.13
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded libc v0.2.45
[INFO] [stderr]   Downloaded stdweb v0.4.12
[INFO] [stderr]   Downloaded byteorder v1.2.7
[INFO] [stderr]   Downloaded serde v1.0.82
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7b8eb2212c79bd5a83cfe972a01fc96e5ef62b7bc053f0ed8a0fa5749399a163
[INFO] running `Command { std: "docker" "start" "-a" "7b8eb2212c79bd5a83cfe972a01fc96e5ef62b7bc053f0ed8a0fa5749399a163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7b8eb2212c79bd5a83cfe972a01fc96e5ef62b7bc053f0ed8a0fa5749399a163", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7b8eb2212c79bd5a83cfe972a01fc96e5ef62b7bc053f0ed8a0fa5749399a163", kill_on_drop: false }`
[INFO] [stdout] 7b8eb2212c79bd5a83cfe972a01fc96e5ef62b7bc053f0ed8a0fa5749399a163
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6-tc1/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" "RUSTDOCFLAGS=--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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+1.69.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 03214833883f34f02b2bd3778ee4fd502605346fd8334c88a7d491a01dee389c
[INFO] running `Command { std: "docker" "start" "-a" "03214833883f34f02b2bd3778ee4fd502605346fd8334c88a7d491a01dee389c", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.45
[INFO] [stderr]    Compiling serde v1.0.82
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cc v1.0.27
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling autocfg v0.1.1
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling stdweb v0.4.12
[INFO] [stderr]    Compiling rustc-demangle v0.1.11
[INFO] [stderr]    Compiling syn v0.15.23
[INFO] [stderr]    Compiling backtrace-sys v0.1.26
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.82
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.4
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling yew v0.4.0
[INFO] [stderr]    Compiling _2018_12_19_wasm_demo_02 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcy9EQRk/symbols.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647._2018_12_19_wasm_demo_02.f384e129-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647.3h808b06pyqn5l0w.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-2fd7c3b1506fb3c7/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-398c98c6729b6d22.rlib" "/opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib" "/opt/rustwide/target/debug/deps/libdiscard-02bbda03231d877a.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-7c7df723107015c7.rlib" "/opt/rustwide/target/debug/deps/libserde_json-62182cd5d95ece49.rlib" "/opt/rustwide/target/debug/deps/libryu-7e448da78b7773dd.rlib" "/opt/rustwide/target/debug/deps/libserde-c8a832a18207980d.rlib" "/opt/rustwide/target/debug/deps/libhttp-1a3d3da2dae14d00.rlib" "/opt/rustwide/target/debug/deps/libitoa-95d621d34b3d633c.rlib" "/opt/rustwide/target/debug/deps/libfnv-684c969a0825947e.rlib" "/opt/rustwide/target/debug/deps/libbytes-947e3ef04ef69bd4.rlib" "/opt/rustwide/target/debug/deps/libiovec-de39a58318590693.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-1562d5eed5a0519c.rlib" "/opt/rustwide/target/debug/deps/liblog-d01a5eca5e8dc0f9.rlib" "/opt/rustwide/target/debug/deps/libfailure-52f90155885b6a31.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-71c98bbca1573ce5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-0b3f3a0a7ae9a2eb.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-324fa71255acc3f3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-9a9738f935a6bb80.rlib" "/opt/rustwide/target/debug/deps/liblibc-420924e2e83bcff8.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-89bc084783fdc439.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-8bee4b287d4367c1.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-d61707aed80694c0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d85366256f22345b.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-96069b86b8a8cae9.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-d19d53abf68dfa6c.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-787cbccd19d64ac6.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-b3837a36b830e0d0.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e3deb0e7e3f04966.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-dabbb79c9815def4.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-305b01f34c9409f2.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-f833521df6074e73.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9ac333113350d171.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-1c126114322d0eee.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bad9164fdeeecf92.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-f9374b1e480fa681.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-207f06e41d9603af.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-7e2768e66e984e85.rlib" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-957b4aff41f8cd46.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.69.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/_2018_12_19_wasm_demo_02-c5dc3fea49784647" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-398c98c6729b6d22.rlib(yew-398c98c6729b6d22.yew.9084a293-cgu.8.rcgu.o): in function `yew::virtual_dom::vtag::VTag<CTX,COMP>::apply_diffs::snippet::__cargo_web_snippet_0da47658267a7497de743e1b0892f992ba6ca6ef':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-398c98c6729b6d22.rlib(yew-398c98c6729b6d22.yew.9084a293-cgu.8.rcgu.o): in function `yew::virtual_dom::vtag::VTag<CTX,COMP>::apply_diffs::snippet::__cargo_web_snippet_6a77b2f2accec26fefbfa0d864061d26f40f8f6f':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-398c98c6729b6d22.rlib(yew-398c98c6729b6d22.yew.9084a293-cgu.8.rcgu.o): in function `yew::virtual_dom::vtag::set_attribute::snippet::__cargo_web_snippet_da2febd72f9938d90bc2bf2905643f595b07abd9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-398c98c6729b6d22.rlib(yew-398c98c6729b6d22.yew.9084a293-cgu.8.rcgu.o): in function `yew::virtual_dom::vtag::remove_attribute::snippet::__cargo_web_snippet_f6358c198ebcc61c9da370cca2679c0b8bc81a7b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-398c98c6729b6d22.rlib(yew-398c98c6729b6d22.yew.9084a293-cgu.8.rcgu.o): in function `yew::virtual_dom::vtag::set_checked::snippet::__cargo_web_snippet_a1f43b583e011a9bbeae64030b81f677e6c29005':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.10.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.4.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.4.rcgu.o): in function `stdweb::webapi::event::IEvent::stop_propagation::snippet::__cargo_web_snippet_85b9ecbdb8513465b790546acfd0cd530441b8a4':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::HierarchyRequestError as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_c023351d5bff43ef3dd317b499821cd4e71492f0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::NotFoundError as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_de2896a7ccf316486788a4d0bc433c25d2f1a12b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::SyntaxError as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_7c8dfab835dc8a552cd9d67f27d26624590e052c':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::InvalidCharacterError as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_0e54fd9c163fcf648ce0a395fde4500fd167a40b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-69ee071301e3fa47.rlib(stdweb-69ee071301e3fa47.stdweb.70438215-cgu.5.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `_2018_12_19_wasm_demo_02` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "03214833883f34f02b2bd3778ee4fd502605346fd8334c88a7d491a01dee389c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "03214833883f34f02b2bd3778ee4fd502605346fd8334c88a7d491a01dee389c", kill_on_drop: false }`
[INFO] [stdout] 03214833883f34f02b2bd3778ee4fd502605346fd8334c88a7d491a01dee389c
