[INFO] cloning repository https://github.com/keithnoguchi/webchat
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/keithnoguchi/webchat" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fwebchat", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fwebchat'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 86f4f2844db9231804dba0818c4b3bf9b337e1ab
[INFO] testing keithnoguchi/webchat against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fwebchat" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithnoguchi/webchat on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/keithnoguchi/webchat
[INFO] finished tweaking git repo https://github.com/keithnoguchi/webchat
[INFO] tweaked toml for git repo https://github.com/keithnoguchi/webchat written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/keithnoguchi/webchat already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yew v0.4.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", 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] e17dc22ff5605fb4dda9dfb671991f4c04ae558b1a081f6bedb60df408dcde87
[INFO] running `Command { std: "docker" "start" "-a" "e17dc22ff5605fb4dda9dfb671991f4c04ae558b1a081f6bedb60df408dcde87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "e17dc22ff5605fb4dda9dfb671991f4c04ae558b1a081f6bedb60df408dcde87", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e17dc22ff5605fb4dda9dfb671991f4c04ae558b1a081f6bedb60df408dcde87", kill_on_drop: false }`
[INFO] [stdout] e17dc22ff5605fb4dda9dfb671991f4c04ae558b1a081f6bedb60df408dcde87
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 654c788b7cad316988f053f1b535a91382e2ed17dd02eb048aff962dbcdecd12
[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" "654c788b7cad316988f053f1b535a91382e2ed17dd02eb048aff962dbcdecd12", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.10
[INFO] [stderr]    Compiling syn v1.0.17
[INFO] [stderr]    Compiling libc v0.2.69
[INFO] [stderr]    Compiling serde v1.0.106
[INFO] [stderr]    Compiling ryu v1.0.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling failure_derive v0.1.7
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling backtrace-sys v0.1.35
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling quote v1.0.3
[INFO] [stderr]    Compiling iovec v0.1.4
[INFO] [stderr]    Compiling backtrace v0.3.46
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling serde_json v1.0.51
[INFO] [stderr]    Compiling synstructure v0.12.3
[INFO] [stderr]    Compiling serde_derive v1.0.106
[INFO] [stderr]    Compiling failure v0.1.7
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling yew v0.4.0
[INFO] [stderr]    Compiling web_logger v0.2.0
[INFO] [stderr]    Compiling webchat v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.webchat.fb89ad30-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287.35s7dzsxa548ptsv.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-cc3d1a00e5eba20b/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libweb_logger-d8e6b4aecf31d2d4.rlib" "/opt/rustwide/target/debug/deps/libwebchat-db32ad2166b7dc49.rlib" "/opt/rustwide/target/debug/deps/libyew-453c953e62561016.rlib" "/opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib" "/opt/rustwide/target/debug/deps/libdiscard-cc4f4c59330690ca.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-efff53b688b559e1.rlib" "/opt/rustwide/target/debug/deps/libserde_json-0ff9d2a6500a7833.rlib" "/opt/rustwide/target/debug/deps/libryu-a983490bd64b9dd8.rlib" "/opt/rustwide/target/debug/deps/libserde-f454bcb547d73bdb.rlib" "/opt/rustwide/target/debug/deps/libhttp-52e3927934d9e203.rlib" "/opt/rustwide/target/debug/deps/libitoa-49b33d255b8312c1.rlib" "/opt/rustwide/target/debug/deps/libfnv-3b027f9af76441c8.rlib" "/opt/rustwide/target/debug/deps/libbytes-a05d7aab48f561e1.rlib" "/opt/rustwide/target/debug/deps/libiovec-03f3fa54332ee12f.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-8e56524b8e4e4333.rlib" "/opt/rustwide/target/debug/deps/liblog-8d247a416cf35571.rlib" "/opt/rustwide/target/debug/deps/libfailure-66167b0dd8e0b9d4.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-276f8add46e736e0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-3fece603615002b4.rlib" "/opt/rustwide/target/debug/deps/liblibc-2e55ceeccc3dc861.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b22544e46cbb7baa.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5c928f6ad816bbf3.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/webchat-371ed79b8edf4287" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libweb_logger-d8e6b4aecf31d2d4.rlib(web_logger-d8e6b4aecf31d2d4.web_logger.35ba58e8-cgu.7.rcgu.o): in function `web_logger::console::trace::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libweb_logger-d8e6b4aecf31d2d4.rlib(web_logger-d8e6b4aecf31d2d4.web_logger.35ba58e8-cgu.7.rcgu.o): in function `web_logger::console::debug::snippet::__cargo_web_snippet_6bcfdb0f4808b0b1e8b8b8d2facd39b73ac5018b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libweb_logger-d8e6b4aecf31d2d4.rlib(web_logger-d8e6b4aecf31d2d4.web_logger.35ba58e8-cgu.7.rcgu.o): in function `web_logger::console::info::snippet::__cargo_web_snippet_c5c1b47195f246fcd2672c546e8c4d526e328687':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libweb_logger-d8e6b4aecf31d2d4.rlib(web_logger-d8e6b4aecf31d2d4.web_logger.35ba58e8-cgu.7.rcgu.o): in function `web_logger::console::warn::snippet::__cargo_web_snippet_114b518968fda2247f8d0d6ad5a226d35aa55986':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libweb_logger-d8e6b4aecf31d2d4.rlib(web_logger-d8e6b4aecf31d2d4.web_logger.35ba58e8-cgu.7.rcgu.o): in function `web_logger::console::error::snippet::__cargo_web_snippet_4fd31c9e56d40b8642cf9e6f96fd6b570f355cea':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libwebchat-db32ad2166b7dc49.rlib(webchat-db32ad2166b7dc49.webchat.a6902407-cgu.2.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/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-0.4.20/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o): in function `stdweb::webapi::node::INode::append_child::snippet::__cargo_web_snippet_e741b9d9071097746386b2c2ec044a2bc73e688c':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_cd41a77d0178ae27c833ef2950e5f1a48a1455c1':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_b06dde4acf09433b5190a4b001259fe5d4abcbc2':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_ab05f53189dacccf2d365ad26daa407d4f7abea9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_614a3dd2adb7e9eac4a0ec6e59d37f87e0521c3b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-07f7204e98d5ac82.rlib(stdweb-07f7204e98d5ac82.stdweb.98f59dce-cgu.14.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: 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 `webchat` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "654c788b7cad316988f053f1b535a91382e2ed17dd02eb048aff962dbcdecd12", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "654c788b7cad316988f053f1b535a91382e2ed17dd02eb048aff962dbcdecd12", kill_on_drop: false }`
[INFO] [stdout] 654c788b7cad316988f053f1b535a91382e2ed17dd02eb048aff962dbcdecd12