[INFO] cloning repository https://github.com/robust-systems/Rust_MVC
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/robust-systems/Rust_MVC" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobust-systems%2FRust_MVC", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobust-systems%2FRust_MVC'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 9d3e0f56af2910aeece8bae8206ad04acd8e19e2
[INFO] testing robust-systems/Rust_MVC against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobust-systems%2FRust_MVC" "/workspace/builds/worker-4/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-4/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robust-systems/Rust_MVC 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/robust-systems/Rust_MVC
[INFO] finished tweaking git repo https://github.com/robust-systems/Rust_MVC
[INFO] tweaked toml for git repo https://github.com/robust-systems/Rust_MVC written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/robust-systems/Rust_MVC 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-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] 8b2e49eddca8322e6347bd701da18b5224ce965b6069b37372ecb77cae86fbcb
[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" "8b2e49eddca8322e6347bd701da18b5224ce965b6069b37372ecb77cae86fbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8b2e49eddca8322e6347bd701da18b5224ce965b6069b37372ecb77cae86fbcb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8b2e49eddca8322e6347bd701da18b5224ce965b6069b37372ecb77cae86fbcb", kill_on_drop: false }`
[INFO] [stdout] 8b2e49eddca8322e6347bd701da18b5224ce965b6069b37372ecb77cae86fbcb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 0db500de4e8995d269b988f311f515c11d27592afff55643524d11cdcf4c83ed
[INFO] running `Command { std: "docker" "start" "-a" "0db500de4e8995d269b988f311f515c11d27592afff55643524d11cdcf4c83ed", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling autocfg v0.1.6
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling unicode-segmentation v1.3.0
[INFO] [stderr]    Compiling yew v0.8.0
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling yew-macro v0.8.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling toml v0.5.3
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]    Compiling valknut_engine 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/frontend-e78582481862696a.frontend.6xa1w670-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.frontend.6xa1w670-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a" "/opt/rustwide/target/debug/deps/frontend-e78582481862696a.2sr2foz1w191zjt2.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-07fe629303a6128a/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/libvalknut_engine-ab79b7a01d069a4e.rlib" "/opt/rustwide/target/debug/deps/libstrum-d5a59ffc5504b7dc.rlib" "/opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-b74e4b5afd21261a.rlib" "/opt/rustwide/target/debug/deps/libindexmap-51a12ab63a499b1e.rlib" "/opt/rustwide/target/debug/deps/libhttp-ebb9e37a552ddb44.rlib" "/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rlib" "/opt/rustwide/target/debug/deps/libbytes-6ee3c4bfa9d23e12.rlib" "/opt/rustwide/target/debug/deps/libiovec-d924942b1125749b.rlib" "/opt/rustwide/target/debug/deps/libfailure-e1be8a48b86580cd.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-8d22857c418d60c0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-913eea8d87c9e38b.rlib" "/opt/rustwide/target/debug/deps/liblibc-476a67f2c3756147.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-cd0ead7d00ad78db.rlib" "/opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4790efd64fd1d129.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-0000710c79b67174.rlib" "/opt/rustwide/target/debug/deps/libserde_json-785ef8eea3976f97.rlib" "/opt/rustwide/target/debug/deps/libryu-e2e3c0d9c2c97bb4.rlib" "/opt/rustwide/target/debug/deps/libitoa-ad466912a71ab2a3.rlib" "/opt/rustwide/target/debug/deps/libslab-65742487a18009d6.rlib" "/opt/rustwide/target/debug/deps/liblog-9f4b8eb482776516.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3673e727ad517307.rlib" "/opt/rustwide/target/debug/deps/libbincode-deedf59e2bf976e9.rlib" "/opt/rustwide/target/debug/deps/libserde-88c769b8dfa7d3b1.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-76ff728e7fb88045.rlib" "/opt/rustwide/target/debug/deps/libanymap-221b2e853f553154.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" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib(yew-6b76d5e816405f4e.yew.5wtotn4d-cgu.10.rcgu.o): in function `yew::virtual_dom::vtag::VTag<COMP>::apply_diffs::snippet::__cargo_web_snippet_0da47658267a7497de743e1b0892f992ba6ca6ef':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib(yew-6b76d5e816405f4e.yew.5wtotn4d-cgu.10.rcgu.o): in function `yew::virtual_dom::vtag::VTag<COMP>::apply_diffs::snippet::__cargo_web_snippet_6a77b2f2accec26fefbfa0d864061d26f40f8f6f':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib(yew-6b76d5e816405f4e.yew.5wtotn4d-cgu.10.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-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib(yew-6b76d5e816405f4e.yew.5wtotn4d-cgu.10.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-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib(yew-6b76d5e816405f4e.yew.5wtotn4d-cgu.10.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-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-6b76d5e816405f4e.rlib(yew-6b76d5e816405f4e.yew.5wtotn4d-cgu.2.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.3.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/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-0.4.18/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.3.rcgu.o): in function `stdweb::webapi::token_list::TokenList::add::snippet::__cargo_web_snippet_8a049af1e4867892fca647811a9472e4c5832053':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.3.rcgu.o): in function `stdweb::webapi::token_list::TokenList::remove::snippet::__cargo_web_snippet_ec62bad51093fd25faa38be3170e100862e191f3':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.6.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-0.4.18/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.6.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-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.6.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-0.4.18/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7296248f3690e59d.rlib(stdweb-7296248f3690e59d.stdweb.dlpm2kb9-cgu.6.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:101: 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 `valknut_engine`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0db500de4e8995d269b988f311f515c11d27592afff55643524d11cdcf4c83ed", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0db500de4e8995d269b988f311f515c11d27592afff55643524d11cdcf4c83ed", kill_on_drop: false }`
[INFO] [stdout] 0db500de4e8995d269b988f311f515c11d27592afff55643524d11cdcf4c83ed