[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 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkeithnoguchi%2Fwebchat" "/workspace/builds/worker-11/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/keithnoguchi/webchat on toolchain 1.49.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.49.0" "read-manifest" "--manifest-path" "Cargo.toml", 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-11/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" "+1.49.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aa7ddef0f05619c8136aed5745f45656dfa85150d72679e958935da9a9f773b1
[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" "aa7ddef0f05619c8136aed5745f45656dfa85150d72679e958935da9a9f773b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aa7ddef0f05619c8136aed5745f45656dfa85150d72679e958935da9a9f773b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aa7ddef0f05619c8136aed5745f45656dfa85150d72679e958935da9a9f773b1", kill_on_drop: false }`
[INFO] [stdout] aa7ddef0f05619c8136aed5745f45656dfa85150d72679e958935da9a9f773b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48a74beed09d98a98220ab71e97c21cf77bac25b4499f49b8f1fc10cb2a126e9
[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" "48a74beed09d98a98220ab71e97c21cf77bac25b4499f49b8f1fc10cb2a126e9", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v1.0.17
[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 iovec v0.1.4
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling http v0.1.21
[INFO] [stderr]    Compiling backtrace v0.3.46
[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-derive v0.5.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling web_logger v0.2.0
[INFO] [stderr]    Compiling yew v0.4.0
[INFO] [stderr]    Compiling webchat v0.1.0 (/opt/rustwide/workdir)
[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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.webchat.f4cxkw6d-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70" "/opt/rustwide/target/debug/deps/webchat-6e4e6746ce97ec70.3kzlm3bdmwyzvxh.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-baa7532ce12313dd/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libweb_logger-7c6f838b82906a2c.rlib" "/opt/rustwide/target/debug/deps/libwebchat-533e04233d4dad40.rlib" "/opt/rustwide/target/debug/deps/libyew-9c8ca977118f0d62.rlib" "/opt/rustwide/target/debug/deps/libstdweb-0a27d7685b58ab4c.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4790efd64fd1d129.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-0ae44811f20be355.rlib" "/opt/rustwide/target/debug/deps/libserde_json-7ca032c811b7a884.rlib" "/opt/rustwide/target/debug/deps/libryu-768d4b2cb1a3ca2b.rlib" "/opt/rustwide/target/debug/deps/libserde-b5677b2e22d661d8.rlib" "/opt/rustwide/target/debug/deps/libhttp-baff835abf8696ad.rlib" "/opt/rustwide/target/debug/deps/libitoa-3684b8eba7e8f8b7.rlib" "/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rlib" "/opt/rustwide/target/debug/deps/libbytes-23443b933a6d89e9.rlib" "/opt/rustwide/target/debug/deps/libiovec-9238d4459ca48cbe.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-04b16b37fbc1beb3.rlib" "/opt/rustwide/target/debug/deps/liblog-bf3c59a5ff900e52.rlib" "/opt/rustwide/target/debug/deps/libfailure-5c5ba2c725642b80.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-8939d82305f3e893.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-1a97ed353ed5e2c3.rlib" "/opt/rustwide/target/debug/deps/liblibc-72bab3e423bcd510.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-b10e0993eefc366b.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-cd0ead7d00ad78db.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e12de7683a34c500.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-446a53c2e468675f.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-86fef9fb252a2d33.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-3bed9bfd30304751.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-0e38eeb474a7b386.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-a846ed547b824740.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-c9540f0a4fb9265d.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7d2ca66c92c356eb.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-147e2c808f949493.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-bd2a4369506670e9.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74bfdd0ce7d0ed48.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-6777f47f1c491841.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-b104f1790174f2be.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-db37898996f45c13.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-25b7435131fc4938.rlib" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-9d4b6f3c097e876e.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-3f953ad652ab829a.rlib" "-Wl,-Bdynamic" "-lutil" "-ldl" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libweb_logger-7c6f838b82906a2c.rlib(web_logger-7c6f838b82906a2c.web_logger.abm92z2v-cgu.6.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-7c6f838b82906a2c.rlib(web_logger-7c6f838b82906a2c.web_logger.abm92z2v-cgu.6.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-7c6f838b82906a2c.rlib(web_logger-7c6f838b82906a2c.web_logger.abm92z2v-cgu.6.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-7c6f838b82906a2c.rlib(web_logger-7c6f838b82906a2c.web_logger.abm92z2v-cgu.6.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-7c6f838b82906a2c.rlib(web_logger-7c6f838b82906a2c.web_logger.abm92z2v-cgu.6.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-533e04233d4dad40.rlib(webchat-533e04233d4dad40.webchat.768dvzew-cgu.1.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-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.6.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:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::snippet::__cargo_web_snippet_a152e8d0e8fac5476f30c1d19e4ab217dbcba73d':
[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-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::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-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::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-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.6.rcgu.o): in function `stdweb::webapi::parent_node::IParentNode::query_selector::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-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.7.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-0.4.20/src/webcore/macros.rs:64: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-0a27d7685b58ab4c.rlib(stdweb-0a27d7685b58ab4c.stdweb.2w09jayy-cgu.7.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:64: 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
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `webchat`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "48a74beed09d98a98220ab71e97c21cf77bac25b4499f49b8f1fc10cb2a126e9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48a74beed09d98a98220ab71e97c21cf77bac25b4499f49b8f1fc10cb2a126e9", kill_on_drop: false }`
[INFO] [stdout] 48a74beed09d98a98220ab71e97c21cf77bac25b4499f49b8f1fc10cb2a126e9