[INFO] cloning repository https://github.com/mrobakowski/stdweb-event-stream
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/mrobakowski/stdweb-event-stream" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Fstdweb-event-stream", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fmrobakowski%2Fstdweb-event-stream'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 35c29403a79ca49dcc057cc0f18e27d094dedafd
[INFO] testing mrobakowski/stdweb-event-stream 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%2Fmrobakowski%2Fstdweb-event-stream" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/mrobakowski/stdweb-event-stream 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/mrobakowski/stdweb-event-stream
[INFO] finished tweaking git repo https://github.com/mrobakowski/stdweb-event-stream
[INFO] tweaked toml for git repo https://github.com/mrobakowski/stdweb-event-stream written to /workspace/builds/worker-5/source/Cargo.toml
[INFO] crate git repo https://github.com/mrobakowski/stdweb-event-stream 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded proc-macro2 v0.2.3
[INFO] [stderr]   Downloaded futures-channel v0.2.1
[INFO] [stderr]   Downloaded discard v1.0.3
[INFO] [stderr]   Downloaded base-x v0.2.2
[INFO] [stderr]   Downloaded stdweb-derive v0.4.0
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.1.0
[INFO] [stderr]   Downloaded futures-core v0.2.1
[INFO] [stderr]   Downloaded syn v0.12.15
[INFO] [stderr]   Downloaded futures-sink v0.2.1
[INFO] [stderr]   Downloaded futures-executor v0.2.1
[INFO] [stderr]   Downloaded syn v0.14.6
[INFO] [stderr]   Downloaded futures-io v0.2.1
[INFO] [stderr]   Downloaded futures-util v0.2.1
[INFO] [stderr]   Downloaded stdweb v0.4.8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] d57a5fc4e87cce9f4ab8031d5e34eb9fcf1b2045a7e49c10253d0b631be4b26c
[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" "d57a5fc4e87cce9f4ab8031d5e34eb9fcf1b2045a7e49c10253d0b631be4b26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "d57a5fc4e87cce9f4ab8031d5e34eb9fcf1b2045a7e49c10253d0b631be4b26c", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d57a5fc4e87cce9f4ab8031d5e34eb9fcf1b2045a7e49c10253d0b631be4b26c", kill_on_drop: false }`
[INFO] [stdout] d57a5fc4e87cce9f4ab8031d5e34eb9fcf1b2045a7e49c10253d0b631be4b26c
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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] [stdout] fe908072f16be55f12c9c6302628110ab560053bcc986c233da58aed87a14310
[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" "fe908072f16be55f12c9c6302628110ab560053bcc986c233da58aed87a14310", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling lazy_static v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling futures-core v0.2.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling futures-channel v0.2.1
[INFO] [stderr]    Compiling futures-io v0.2.1
[INFO] [stderr]    Compiling futures-sink v0.2.1
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling futures-util v0.2.1
[INFO] [stderr]    Compiling syn v0.14.6
[INFO] [stderr]    Compiling futures-executor v0.2.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling stdweb-event-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 1m 02s
[INFO] running `Command { std: "docker" "inspect" "fe908072f16be55f12c9c6302628110ab560053bcc986c233da58aed87a14310", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fe908072f16be55f12c9c6302628110ab560053bcc986c233da58aed87a14310", kill_on_drop: false }`
[INFO] [stdout] fe908072f16be55f12c9c6302628110ab560053bcc986c233da58aed87a14310
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 9e3bf837dfde97d0aa056cd5e31d7605dca4390010d0dd9e87854ef295e6b2a5
[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" "9e3bf837dfde97d0aa056cd5e31d7605dca4390010d0dd9e87854ef295e6b2a5", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling stdweb-event-stream v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] error: could not compile `stdweb-event-stream`
[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/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86" "/opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.2wbdujfm5jqy0ok6.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-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/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libtest-c99ebba9851136ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libterm-190ecd0479955c2e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgetopts-10cf7eacb763a707.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-01-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunicode_width-5f0069e1a0595222.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_std-176a753cf8833059.rlib" "/opt/rustwide/target/debug/deps/libfutures_executor-9b6967e42971bb3b.rlib" "/opt/rustwide/target/debug/deps/libnum_cpus-d6c1c04599fe159a.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-2f3582a5c2008896.rlib" "/opt/rustwide/target/debug/deps/libstdweb-0a5315d78a787481.rlib" "/opt/rustwide/target/debug/deps/libdiscard-dc97db543a8a7401.rlib" "/opt/rustwide/target/debug/deps/libfutures_util-1b237a5c63907113.rlib" "/opt/rustwide/target/debug/deps/libfutures_sink-6454ccdef850fb23.rlib" "/opt/rustwide/target/debug/deps/libfutures_channel-f1b7bfabdd0b7815.rlib" "/opt/rustwide/target/debug/deps/libfutures_io-77839a1d8d6ec1b2.rlib" "/opt/rustwide/target/debug/deps/libiovec-5f4862fd5e49e199.rlib" "/opt/rustwide/target/debug/deps/liblibc-79850a6ece173d7b.rlib" "/opt/rustwide/target/debug/deps/libfutures_core-0f4857feca2d9ba9.rlib" "/opt/rustwide/target/debug/deps/libeither-0a287b661a8d7f8e.rlib" "/opt/rustwide/target/debug/deps/libserde_json-5381574135eaa39f.rlib" "/opt/rustwide/target/debug/deps/libitoa-6fe8073984a0fbb0.rlib" "/opt/rustwide/target/debug/deps/libdtoa-6996bee27d65cc33.rlib" "/opt/rustwide/target/debug/deps/libserde-a001c38752e12607.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/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.11.rcgu.o: in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,(A12,)),F> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/serialization.rs:1036: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.15.rcgu.o: in function `<stdweb::webapi::events::mouse::ClickEvent as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/events/mouse.rs:259: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-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-0.4.8/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.5.rcgu.o: in function `stdweb::webapi::event_target::IEventTarget::dispatch_event':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:71: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.5.rcgu.o: in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/stdweb_event_stream-33193842bc537a86.stdweb_event_stream.2ep8ktlf-cgu.6.rcgu.o:/opt/rustwide/workdir/src/lib.rs:86: 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] [stderr] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "9e3bf837dfde97d0aa056cd5e31d7605dca4390010d0dd9e87854ef295e6b2a5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "9e3bf837dfde97d0aa056cd5e31d7605dca4390010d0dd9e87854ef295e6b2a5", kill_on_drop: false }`
[INFO] [stdout] 9e3bf837dfde97d0aa056cd5e31d7605dca4390010d0dd9e87854ef295e6b2a5