[INFO] updating cached repository https://github.com/jleahred/connect4 [INFO] running `"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"` [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 3516a4ce664330778521d8698f4545d40e79fb9d [INFO] testing jleahred/connect4 against beta-2020-06-03 for beta-1.45-1 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjleahred%2Fconnect4" "/workspace/builds/worker-3/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/jleahred/connect4 on toolchain beta-2020-06-03 [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started tweaking git repo https://github.com/jleahred/connect4 [INFO] finished tweaking git repo https://github.com/jleahred/connect4 [INFO] tweaked toml for git repo https://github.com/jleahred/connect4 written to /workspace/builds/worker-3/source/Cargo.toml [INFO] crate git repo https://github.com/jleahred/connect4 already has a lockfile, it will not be regenerated [INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"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" "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" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] 4f0346bfef34b61775826d8aade02e7bbb184a64ebc790e43327a2bdb6283d22 [INFO] running `"docker" "start" "-a" "4f0346bfef34b61775826d8aade02e7bbb184a64ebc790e43327a2bdb6283d22"` [INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted [INFO] [stderr] Compiling stdweb-internal-runtime v0.1.2 [INFO] [stderr] Compiling base-x v0.2.3 [INFO] [stderr] Compiling discard v1.0.4 [INFO] [stderr] Compiling anymap v0.12.1 [INFO] [stderr] Compiling idata v0.1.1 (https://github.com/jleahred/idata.git#08eab4e3) [INFO] [stderr] Compiling synstructure v0.10.1 [INFO] [stderr] Compiling serde_derive v1.0.80 [INFO] [stderr] Compiling bincode v1.0.1 [INFO] [stderr] Compiling stdweb v0.4.12 [INFO] [stderr] Compiling failure_derive v0.1.3 [INFO] [stderr] Compiling failure v0.1.3 [INFO] [stderr] Compiling stdweb-derive v0.5.1 [INFO] [stderr] Compiling stdweb-internal-macros v0.2.4 [INFO] [stderr] Compiling yew v0.5.0 (https://github.com/DenisKolodin/yew#5a040a19) [INFO] [stderr] Compiling connect4 v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] warning: unnecessary parentheses around block return value [INFO] [stderr] --> src/engine/patterns.rs:111:9 [INFO] [stderr] | [INFO] [stderr] 111 | (other - curr) [INFO] [stderr] | ^^^^^^^^^^^^^^ help: remove these parentheses [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_parens)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/html/game.rs:14:21 [INFO] [stderr] | [INFO] [stderr] 14 | job: Option>, [INFO] [stderr] | ^^^^ help: use `dyn`: `dyn Task` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/html/config.rs:9:34 [INFO] [stderr] | [INFO] [stderr] 9 | pub onstart: Option>, [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary parentheses around type [INFO] [stderr] --> src/html/config.rs:25:34 [INFO] [stderr] | [INFO] [stderr] 25 | pub onstart: Option>, [INFO] [stderr] | ^^^^^^^^ help: remove these parentheses [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `if` condition [INFO] [stderr] --> src/html/config.rs:113:54 [INFO] [stderr] | [INFO] [stderr] 113 | [INFO] [stderr] | ^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_braces)]` on by default [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `if` condition [INFO] [stderr] --> src/html/config.rs:114:59 [INFO] [stderr] | [INFO] [stderr] 114 | [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `if` condition [INFO] [stderr] --> src/html/config.rs:134:68 [INFO] [stderr] | [INFO] [stderr] 134 | [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `if` condition [INFO] [stderr] --> src/html/config.rs:135:61 [INFO] [stderr] | [INFO] [stderr] 135 | [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: unnecessary braces around `if` condition [INFO] [stderr] --> src/html/config.rs:136:61 [INFO] [stderr] | [INFO] [stderr] 136 | [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces [INFO] [stderr] [INFO] [stderr] warning: variant is never constructed: `PlayersAnalisys` [INFO] [stderr] --> src/html/config.rs:16:5 [INFO] [stderr] | [INFO] [stderr] 16 | PlayersAnalisys, [INFO] [stderr] | ^^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: 10 warnings emitted [INFO] [stderr] [INFO] [stderr] error: linking with `cc` failed: exit code: 1 [INFO] [stderr] | [INFO] [stderr] = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.connect4.2af7vrvb-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a" "/opt/rustwide/target/debug/deps/connect4-b3acba36f6d1b16a.4hn0j7b6stfoaoa.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-52e0f315a2788ab5/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libconnect4-ae05c90392dab915.rlib" "/opt/rustwide/target/debug/deps/libidata-d2902eabdc0af51c.rlib" "/opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib" "/opt/rustwide/target/debug/deps/libslab-c9a9abd5b0d314a7.rlib" "/opt/rustwide/target/debug/deps/libanymap-16ac0cbd5a2e2ebb.rlib" "/opt/rustwide/target/debug/deps/libbincode-a62b6894e0e51ab6.rlib" "/opt/rustwide/target/debug/deps/libhttp-810976cfb7922082.rlib" "/opt/rustwide/target/debug/deps/libfnv-18c63eb7d27d11b7.rlib" "/opt/rustwide/target/debug/deps/libbytes-31b92cf287dc8ad6.rlib" "/opt/rustwide/target/debug/deps/libiovec-c2745c216993f0db.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-1944a57d09be4cce.rlib" "/opt/rustwide/target/debug/deps/liblog-f6038cc70ed47e96.rlib" "/opt/rustwide/target/debug/deps/libfailure-04f12a1be549c385.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-4ffbd713f2c79aee.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-f6a8451decfb0a96.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-d7cde8b4a32d0610.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ea4f283344e50e84.rlib" "/opt/rustwide/target/debug/deps/liblibc-1c46df051429aa83.rlib" "/opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib" "/opt/rustwide/target/debug/deps/libdiscard-655a8a041e78b6aa.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-d860572ace1c6ad5.rlib" "/opt/rustwide/target/debug/deps/libserde_json-5a6357df39fda5a3.rlib" "/opt/rustwide/target/debug/deps/libryu-8e67a7e56e9798f9.rlib" "/opt/rustwide/target/debug/deps/libitoa-26e40ea11a3f8443.rlib" "/opt/rustwide/target/debug/deps/libserde-aeebb664292c4c8f.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil" [INFO] [stderr] = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib(yew-cf0e4586de7a08d6.yew.7s3kha5t-cgu.12.rcgu.o): in function `yew::services::timeout::TimeoutService::spawn::snippet::__cargo_web_snippet_f11967ebdd9b2715f6e5dff0f3829fecc1b1a7ec': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib(yew-cf0e4586de7a08d6.yew.7s3kha5t-cgu.12.rcgu.o): in function `::cancel::snippet::__cargo_web_snippet_88fdef85e51047882d647a7f6f4a63bf786cb581': [INFO] [stderr] /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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib(yew-cf0e4586de7a08d6.yew.7s3kha5t-cgu.2.rcgu.o): in function `yew::virtual_dom::vtag::VTag::apply_diffs::snippet::__cargo_web_snippet_0da47658267a7497de743e1b0892f992ba6ca6ef': [INFO] [stderr] /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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib(yew-cf0e4586de7a08d6.yew.7s3kha5t-cgu.2.rcgu.o): in function `yew::virtual_dom::vtag::VTag::apply_diffs::snippet::__cargo_web_snippet_6a77b2f2accec26fefbfa0d864061d26f40f8f6f': [INFO] [stderr] /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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib(yew-cf0e4586de7a08d6.yew.7s3kha5t-cgu.2.rcgu.o): in function `yew::virtual_dom::vtag::set_attribute::snippet::__cargo_web_snippet_da2febd72f9938d90bc2bf2905643f595b07abd9': [INFO] [stderr] /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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-cf0e4586de7a08d6.rlib(yew-cf0e4586de7a08d6.yew.7s3kha5t-cgu.2.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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.4.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop' [INFO] [stderr] /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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.5.rcgu.o): in function `stdweb::webapi::node::INode::append_child::snippet::__cargo_web_snippet_e741b9d9071097746386b2c2ec044a2bc73e688c': [INFO] [stderr] /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] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.5.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_cd41a77d0178ae27c833ef2950e5f1a48a1455c1': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.5.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_b06dde4acf09433b5190a4b001259fe5d4abcbc2': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.5.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_ab05f53189dacccf2d365ad26daa407d4f7abea9': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.5.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_614a3dd2adb7e9eac4a0ec6e59d37f87e0521c3b': [INFO] [stderr] /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-5d3f9f499657e9ec.rlib(stdweb-5d3f9f499657e9ec.stdweb.12nuyecq-cgu.5.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: more undefined references to `emscripten_asm_const_int' follow [INFO] [stderr] collect2: error: ld returned 1 exit status [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] error: aborting due to previous error [INFO] [stderr] [INFO] [stderr] error: could not compile `connect4`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "4f0346bfef34b61775826d8aade02e7bbb184a64ebc790e43327a2bdb6283d22"` [INFO] running `"docker" "rm" "-f" "4f0346bfef34b61775826d8aade02e7bbb184a64ebc790e43327a2bdb6283d22"` [INFO] [stdout] 4f0346bfef34b61775826d8aade02e7bbb184a64ebc790e43327a2bdb6283d22