[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobust-systems%2FRust_MVC" "/workspace/builds/worker-98/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-98/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robust-systems/Rust_MVC on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-98/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] aad2d7afcebb1b638263f77aadf5f23e5c745b971e63425a23d9915808e00f54
[INFO] running `Command { std: "docker" "start" "-a" "aad2d7afcebb1b638263f77aadf5f23e5c745b971e63425a23d9915808e00f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "aad2d7afcebb1b638263f77aadf5f23e5c745b971e63425a23d9915808e00f54", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "aad2d7afcebb1b638263f77aadf5f23e5c745b971e63425a23d9915808e00f54", kill_on_drop: false }`
[INFO] [stdout] aad2d7afcebb1b638263f77aadf5f23e5c745b971e63425a23d9915808e00f54
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-98/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] ec880f11fa331ae9ab5dda6fb28810af2591e6898e55356b13d64e86ea5943a1
[INFO] running `Command { std: "docker" "start" "-a" "ec880f11fa331ae9ab5dda6fb28810af2591e6898e55356b13d64e86ea5943a1", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v1.0.2
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling syn v1.0.5
[INFO] [stderr]    Compiling syn v0.15.44
[INFO] [stderr]    Compiling libc v0.2.62
[INFO] [stderr]    Compiling serde v1.0.99
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling cc v1.0.41
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling yew v0.8.0
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling indexmap v1.1.0
[INFO] [stderr]    Compiling anymap v0.12.1
[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 log v0.4.8
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling quote v0.6.13
[INFO] [stderr]    Compiling quote v1.0.2
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.35
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling http v0.1.18
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.frontend.dc600011-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f.1d0fqgbt0d4wldox.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-2ad8215a8196dd03/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libvalknut_engine-d0ed4cc0a5ecf475.rlib" "/opt/rustwide/target/debug/deps/libstrum-3f0dd591eb88e205.rlib" "/opt/rustwide/target/debug/deps/libyew-c12fe27e3e47349b.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-b7ff75629f19586c.rlib" "/opt/rustwide/target/debug/deps/libindexmap-036982bcc79b4f98.rlib" "/opt/rustwide/target/debug/deps/libhttp-6a092d3d096d68ee.rlib" "/opt/rustwide/target/debug/deps/libfnv-7449a3f4573c4646.rlib" "/opt/rustwide/target/debug/deps/libbytes-5eed8eb8e66ae3df.rlib" "/opt/rustwide/target/debug/deps/libiovec-44ee4315904c43c8.rlib" "/opt/rustwide/target/debug/deps/libfailure-7b4e0b99f5182548.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-e1b542a337781ac2.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-de1714885e55b4ce.rlib" "/opt/rustwide/target/debug/deps/liblibc-78a14d31181a89b3.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-f6813ff1cdbf72a4.rlib" "/opt/rustwide/target/debug/deps/libstdweb-b0d69bac158b3ddd.rlib" "/opt/rustwide/target/debug/deps/libdiscard-166bdae8beb99e0a.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-51d68c76b2128f90.rlib" "/opt/rustwide/target/debug/deps/libserde_json-3b295acbaa3158e7.rlib" "/opt/rustwide/target/debug/deps/libryu-9ecc84efc5ffeda2.rlib" "/opt/rustwide/target/debug/deps/libitoa-41951a538d0a7733.rlib" "/opt/rustwide/target/debug/deps/libslab-31c88580e3b60f0d.rlib" "/opt/rustwide/target/debug/deps/liblog-d71a5174adde94fa.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ff427bfb30b70e1e.rlib" "/opt/rustwide/target/debug/deps/libbincode-20ed3f41ba35baf5.rlib" "/opt/rustwide/target/debug/deps/libserde-1f8a11054c6264ab.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-c5f792632ea8cd22.rlib" "/opt/rustwide/target/debug/deps/libanymap-4284ef1e0129634d.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/frontend-bc98c9199913896f" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-c12fe27e3e47349b.rlib(yew-c12fe27e3e47349b.yew.eb939b57-cgu.11.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-c12fe27e3e47349b.rlib(yew-c12fe27e3e47349b.yew.eb939b57-cgu.11.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-c12fe27e3e47349b.rlib(yew-c12fe27e3e47349b.yew.eb939b57-cgu.11.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-c12fe27e3e47349b.rlib(yew-c12fe27e3e47349b.yew.eb939b57-cgu.7.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-c12fe27e3e47349b.rlib(yew-c12fe27e3e47349b.yew.eb939b57-cgu.7.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-c12fe27e3e47349b.rlib(yew-c12fe27e3e47349b.yew.eb939b57-cgu.7.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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.10.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:11: 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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.10.rcgu.o): in function `stdweb::webapi::event_target::EventListenerHandle::remove::snippet::__cargo_web_snippet_f750c7bda400081b4d7209f43f9d59214d39f6ea':
[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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.10.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener::snippet::__cargo_web_snippet_99c4eefdc8d4cc724135163b8c8665a1f3de99e4':
[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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.12.rcgu.o): in function `<stdweb::webapi::web_socket::WebSocket as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_4fefb43dc20dbc0f600c34172f9e9703833f195e':
[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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.12.rcgu.o): in function `stdweb::webapi::web_socket::WebSocket::new::snippet::__cargo_web_snippet_d52e1051e6ac73335d009a6e7962dddf5243b344':
[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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.12.rcgu.o): in function `stdweb::webapi::web_socket::WebSocket::new::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-b0d69bac158b3ddd.rlib(stdweb-b0d69bac158b3ddd.stdweb.80bec1ce-cgu.12.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]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `valknut_engine` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "ec880f11fa331ae9ab5dda6fb28810af2591e6898e55356b13d64e86ea5943a1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ec880f11fa331ae9ab5dda6fb28810af2591e6898e55356b13d64e86ea5943a1", kill_on_drop: false }`
[INFO] [stdout] ec880f11fa331ae9ab5dda6fb28810af2591e6898e55356b13d64e86ea5943a1