[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 1.47.0 for beta-1.48-1
[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 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "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" "+1.47.0" "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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7e93dd870a91b57e0339fe78c97f44133e9c07d0f2b506ee9ea3a01e94d96cda
[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" "7e93dd870a91b57e0339fe78c97f44133e9c07d0f2b506ee9ea3a01e94d96cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7e93dd870a91b57e0339fe78c97f44133e9c07d0f2b506ee9ea3a01e94d96cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e93dd870a91b57e0339fe78c97f44133e9c07d0f2b506ee9ea3a01e94d96cda", kill_on_drop: false }`
[INFO] [stdout] 7e93dd870a91b57e0339fe78c97f44133e9c07d0f2b506ee9ea3a01e94d96cda
[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:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] d6aeb7340350a66479785fb2771e430f95f1052a06edd60551236bcd3b4b3047
[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" "d6aeb7340350a66479785fb2771e430f95f1052a06edd60551236bcd3b4b3047", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling yew v0.8.0
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling yew-macro v0.8.0
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling strum_macros v0.15.0
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling serde_derive v1.0.99
[INFO] [stderr]    Compiling proc-macro-hack v0.5.9
[INFO] [stderr]    Compiling serde v1.0.99
[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/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.frontend.4sdcr6uz-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081" "/opt/rustwide/target/debug/deps/frontend-b28341ef352ff081.4i1g8u4rmapnzrhn.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-1d8d9dcef78983b7/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libvalknut_engine-9f99da81bed98ea4.rlib" "/opt/rustwide/target/debug/deps/libstrum-a9020436d8234f38.rlib" "/opt/rustwide/target/debug/deps/libyew-9e1e1f604c0354e4.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-e32e2b1750fbc0ea.rlib" "/opt/rustwide/target/debug/deps/libindexmap-59187502c7313612.rlib" "/opt/rustwide/target/debug/deps/libhttp-eca244a8b430f25e.rlib" "/opt/rustwide/target/debug/deps/libfnv-f34a80f1f2884e58.rlib" "/opt/rustwide/target/debug/deps/libbytes-0e2fdc8d97a86f07.rlib" "/opt/rustwide/target/debug/deps/libiovec-ca0afb6125401cd0.rlib" "/opt/rustwide/target/debug/deps/libfailure-df7a719c6cb9efdc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-dd44f1bea18eaf53.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-069dee9e5d066d2b.rlib" "/opt/rustwide/target/debug/deps/liblibc-3ae96693a4881a0d.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-62310dac5ec68432.rlib" "/opt/rustwide/target/debug/deps/libstdweb-21b9674881a98c72.rlib" "/opt/rustwide/target/debug/deps/libdiscard-8c304c4ed57889f5.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-ec2ad82401f5bee7.rlib" "/opt/rustwide/target/debug/deps/libserde_json-1a428a75fa2558bd.rlib" "/opt/rustwide/target/debug/deps/libryu-5ff9f6938685d4e7.rlib" "/opt/rustwide/target/debug/deps/libitoa-d5a63dfb88a1c172.rlib" "/opt/rustwide/target/debug/deps/libslab-2ac6dc832fffd6a6.rlib" "/opt/rustwide/target/debug/deps/liblog-929326792e1e5fdf.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-798640aaaf2e4a53.rlib" "/opt/rustwide/target/debug/deps/libbincode-72c327a6a5149aaf.rlib" "/opt/rustwide/target/debug/deps/libserde-f9e4b7ba2a719e60.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-6e2b66ea17cbcfed.rlib" "/opt/rustwide/target/debug/deps/libanymap-6bbd4a7bd711f443.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-9e1e1f604c0354e4.rlib(yew-9e1e1f604c0354e4.yew.eqploqz6-cgu.0.rcgu.o): in function `yew::services::fetch::fetch_impl::snippet::__cargo_web_snippet_053453883bfc0e5e4a20ed0cc4e05ed2b154fd72':
[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/libyew-9e1e1f604c0354e4.rlib(yew-9e1e1f604c0354e4.yew.eqploqz6-cgu.0.rcgu.o): in function `<yew::services::fetch::FetchTask as yew::services::Task>::is_active::snippet::__cargo_web_snippet_d1808864dd38e6472823a075adda230022c35f2a':
[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/libyew-9e1e1f604c0354e4.rlib(yew-9e1e1f604c0354e4.yew.eqploqz6-cgu.0.rcgu.o): in function `<yew::services::fetch::FetchTask as yew::services::Task>::cancel::snippet::__cargo_web_snippet_1fdc316ef6b228cc2c741ea31c7d11c236c835c7':
[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-9e1e1f604c0354e4.rlib(yew-9e1e1f604c0354e4.yew.eqploqz6-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-9e1e1f604c0354e4.rlib(yew-9e1e1f604c0354e4.yew.eqploqz6-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-9e1e1f604c0354e4.rlib(yew-9e1e1f604c0354e4.yew.eqploqz6-cgu.10.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:91: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-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-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-cgu.5.rcgu.o): in function `stdweb::webapi::non_element_parent_node::INonElementParentNode::get_element_by_id::snippet::__cargo_web_snippet_d5e30f74cb752784e06bd97a37b1f89b6c3433a7':
[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-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-cgu.6.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked::snippet::__cargo_web_snippet_9f22d4ca7bc938409787341b7db181f8dd41e6df':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-cgu.6.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop::snippet::__cargo_web_snippet_80d6d56760c65e49b7be8b6b01c1ea861b046bf0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-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-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-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-21b9674881a98c72.rlib(stdweb-21b9674881a98c72.stdweb.179h05xo-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" "d6aeb7340350a66479785fb2771e430f95f1052a06edd60551236bcd3b4b3047", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d6aeb7340350a66479785fb2771e430f95f1052a06edd60551236bcd3b4b3047", kill_on_drop: false }`
[INFO] [stdout] d6aeb7340350a66479785fb2771e430f95f1052a06edd60551236bcd3b4b3047
