[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 1.60.0 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frobust-systems%2FRust_MVC" "/workspace/builds/worker-0/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/robust-systems/Rust_MVC on toolchain 1.60.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.60.0" "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-0/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" "+1.60.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded yew-macro v0.8.0
[INFO] [stderr]   Downloaded yew v0.8.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 8529847d2e722e165a307027a963fa3a45e6a4f6017ed33a7eae64529c1dab61
[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" "8529847d2e722e165a307027a963fa3a45e6a4f6017ed33a7eae64529c1dab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "8529847d2e722e165a307027a963fa3a45e6a4f6017ed33a7eae64529c1dab61", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "8529847d2e722e165a307027a963fa3a45e6a4f6017ed33a7eae64529c1dab61", kill_on_drop: false }`
[INFO] [stdout] 8529847d2e722e165a307027a963fa3a45e6a4f6017ed33a7eae64529c1dab61
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+1.60.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] a2019ac362d55497483a0aaa3e14b5d693ca31157dc9a138efd30207cfeafb33
[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" "a2019ac362d55497483a0aaa3e14b5d693ca31157dc9a138efd30207cfeafb33", 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 ryu v1.0.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[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 indexmap v1.1.0
[INFO] [stderr]    Compiling strum v0.15.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling yew-macro v0.8.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling heck v0.3.1
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling quote v1.0.2
[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 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-3f69a0d52294b07e.frontend.68301935-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.frontend.68301935-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e.2rwfge20bbq6z7uh.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-5e58d065ac3a4574/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libvalknut_engine-d02234f52e1aa782.rlib" "/opt/rustwide/target/debug/deps/libstrum-9e2678a0d6a1bb57.rlib" "/opt/rustwide/target/debug/deps/libyew-575d2b6ff2dfb9ae.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-270eaf4cb49ec5a6.rlib" "/opt/rustwide/target/debug/deps/libindexmap-b7840dcafb9c0f32.rlib" "/opt/rustwide/target/debug/deps/libhttp-30a0c1d26828e39b.rlib" "/opt/rustwide/target/debug/deps/libfnv-75a549072e1c1e97.rlib" "/opt/rustwide/target/debug/deps/libbytes-563af6b780797287.rlib" "/opt/rustwide/target/debug/deps/libiovec-d19e4002709cd77c.rlib" "/opt/rustwide/target/debug/deps/libfailure-1a14b1a9fa55dbe7.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-dcd86957549130fa.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-38ac962f6ec0d9fe.rlib" "/opt/rustwide/target/debug/deps/liblibc-cc9d2be84f9cc8cd.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-2678c0c792dfdf89.rlib" "/opt/rustwide/target/debug/deps/libstdweb-179f22c456d86880.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4ee9a3464a5782b7.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-5263d53d4b6f4624.rlib" "/opt/rustwide/target/debug/deps/libserde_json-1e5264f23f96b7fe.rlib" "/opt/rustwide/target/debug/deps/libryu-a0f24e45ca50d2b6.rlib" "/opt/rustwide/target/debug/deps/libitoa-cca9d566c5b7acd5.rlib" "/opt/rustwide/target/debug/deps/libslab-47832e98c319689d.rlib" "/opt/rustwide/target/debug/deps/liblog-92740d5bbe6a1c62.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-083c1e57c0910289.rlib" "/opt/rustwide/target/debug/deps/libbincode-edbb9726c7a7cb72.rlib" "/opt/rustwide/target/debug/deps/libserde-05f515dfad9f6787.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-f52e7e6f4d407eab.rlib" "/opt/rustwide/target/debug/deps/libanymap-3e92f16f7f198f63.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-8d61b92a0a02f53a.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-fc45202bb435016b.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f2400674c7513725.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-605c3a7d1a5d300d.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-3d4fb4efa907e4e8.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-65207f030ab23308.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-76ca199cb0186109.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-1e3e01ed4f561dc1.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-dd8dddcba7c13fee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-00b13d31c3420656.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-e4c8460b81557bd5.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-600d46e5f0005455.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-e4a08a2585b62d37.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fbc21ec567cb9dc7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-10b3fa8e49bd978f.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64625b73694ffce7.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-fb6b78ac543a58ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1d1f2d1bec6f51b8.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-acf5ff6e9595d982.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.60.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/frontend-3f69a0d52294b07e" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-575d2b6ff2dfb9ae.rlib(yew-575d2b6ff2dfb9ae.yew.cf3175ac-cgu.12.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-575d2b6ff2dfb9ae.rlib(yew-575d2b6ff2dfb9ae.yew.cf3175ac-cgu.12.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-575d2b6ff2dfb9ae.rlib(yew-575d2b6ff2dfb9ae.yew.cf3175ac-cgu.12.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-575d2b6ff2dfb9ae.rlib(yew-575d2b6ff2dfb9ae.yew.cf3175ac-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-575d2b6ff2dfb9ae.rlib(yew-575d2b6ff2dfb9ae.yew.cf3175ac-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-575d2b6ff2dfb9ae.rlib(yew-575d2b6ff2dfb9ae.yew.cf3175ac-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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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-179f22c456d86880.rlib(stdweb-179f22c456d86880.stdweb.aaeb3e59-cgu.13.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" "a2019ac362d55497483a0aaa3e14b5d693ca31157dc9a138efd30207cfeafb33", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a2019ac362d55497483a0aaa3e14b5d693ca31157dc9a138efd30207cfeafb33", kill_on_drop: false }`
[INFO] [stdout] a2019ac362d55497483a0aaa3e14b5d693ca31157dc9a138efd30207cfeafb33