[INFO] cloning repository https://github.com/jackyzhen/rust-vs-go-slides
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jackyzhen/rust-vs-go-slides" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] aab94ec37548c57d445ea7438359d3f1e66f0988
[INFO] testing jackyzhen/rust-vs-go-slides against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackyzhen/rust-vs-go-slides 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/jackyzhen/rust-vs-go-slides
[INFO] finished tweaking git repo https://github.com/jackyzhen/rust-vs-go-slides
[INFO] tweaked toml for git repo https://github.com/jackyzhen/rust-vs-go-slides written to /workspace/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/jackyzhen/rust-vs-go-slides 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] 5fcdde8ed2d2ecd5e1804ff51527f42bede19209eb078799e3152dd116b2c6f2
[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" "5fcdde8ed2d2ecd5e1804ff51527f42bede19209eb078799e3152dd116b2c6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "5fcdde8ed2d2ecd5e1804ff51527f42bede19209eb078799e3152dd116b2c6f2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "5fcdde8ed2d2ecd5e1804ff51527f42bede19209eb078799e3152dd116b2c6f2", kill_on_drop: false }`
[INFO] [stdout] 5fcdde8ed2d2ecd5e1804ff51527f42bede19209eb078799e3152dd116b2c6f2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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] [stdout] 0deab929cd383a41abf5d62d81ccd655dfcbe88a836286e5bb8acc1b4f23e1cd
[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" "0deab929cd383a41abf5d62d81ccd655dfcbe88a836286e5bb8acc1b4f23e1cd", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling pulldown-cmark v0.1.2
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling http v0.1.8
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling yew v0.5.0 (https://github.com/DenisKolodin/yew?rev=b957f8778ebb3ce88a6d10dfb41f04a4e44d6640#b957f877)
[INFO] [stderr]    Compiling rust-vs-go-slides v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/model.rs:28:29
[INFO] [stdout]    |
[INFO] [stdout] 28 |     pub handler: Option<Box<Task>>,
[INFO] [stdout]    |                             ^^^^ help: use `dyn`: `dyn Task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[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/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-b48cd653ea7a0d38.499knzqw5mmp8rt1.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-3f09a6d99ee5ebff/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/librust_vs_go_slides-72b6665b81b7dbef.rlib" "/opt/rustwide/target/debug/deps/libpulldown_cmark-b62c8c02b73e1e19.rlib" "/opt/rustwide/target/debug/deps/libbitflags-2b6fb6d6fa47ec16.rlib" "/opt/rustwide/target/debug/deps/libyew-609bedc3806ebe3c.rlib" "/opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib" "/opt/rustwide/target/debug/deps/libdiscard-febbd8334766fd0f.rlib" "/opt/rustwide/target/debug/deps/libslab-3b53302bf982e162.rlib" "/opt/rustwide/target/debug/deps/libanymap-221b2e853f553154.rlib" "/opt/rustwide/target/debug/deps/libbincode-45a3c977b7814317.rlib" "/opt/rustwide/target/debug/deps/libserde_json-6fd883e7c3dcd1d2.rlib" "/opt/rustwide/target/debug/deps/libdtoa-e719d7db72ab5ccb.rlib" "/opt/rustwide/target/debug/deps/libserde-474c72621ab9c9e1.rlib" "/opt/rustwide/target/debug/deps/libhttp-940980c8eba77f43.rlib" "/opt/rustwide/target/debug/deps/libitoa-9a51324ef23121f8.rlib" "/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rlib" "/opt/rustwide/target/debug/deps/libbytes-b6fd19395718dc6d.rlib" "/opt/rustwide/target/debug/deps/libiovec-4c071d55f2e1ee79.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-853867439da595a6.rlib" "/opt/rustwide/target/debug/deps/liblog-481f75b9c7137f15.rlib" "/opt/rustwide/target/debug/deps/libfailure-83b72233d30ec3a6.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-89d22e00310d429e.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-e30253877ad6a536.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-ddfbc9bb85aa2d07.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-8393df636e8cda21.rlib" "/opt/rustwide/target/debug/deps/liblibc-c35dc2c2514abcfb.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/rust_vs_go_slides-b48cd653ea7a0d38.rust_vs_go_slides.dd63a5rp-cgu.2.rcgu.o: in function `stdweb::webapi::parent_node::IParentNode::query_selector':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/parent_node.rs:23: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-72b6665b81b7dbef.rlib(rust_vs_go_slides-72b6665b81b7dbef.rust_vs_go_slides.60rh2bi6-cgu.14.rcgu.o): in function `<stdweb::webapi::html_elements::input::InputElement as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/html_elements/input.rs:13: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-72b6665b81b7dbef.rlib(rust_vs_go_slides-72b6665b81b7dbef.rust_vs_go_slides.60rh2bi6-cgu.14.rcgu.o): in function `stdweb::webapi::html_elements::input::InputElement::set_raw_value':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/html_elements/input.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-72b6665b81b7dbef.rlib(rust_vs_go_slides-72b6665b81b7dbef.rust_vs_go_slides.60rh2bi6-cgu.15.rcgu.o): in function `rust_vs_go_slides::markdown::render_markdown':
[INFO] [stdout]           /opt/rustwide/workdir/src/markdown.rs:84: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-72b6665b81b7dbef.rlib(rust_vs_go_slides-72b6665b81b7dbef.rust_vs_go_slides.60rh2bi6-cgu.2.rcgu.o): in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-72b6665b81b7dbef.rlib(rust_vs_go_slides-72b6665b81b7dbef.rust_vs_go_slides.60rh2bi6-cgu.2.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/node.rs:45: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.14.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/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-0.4.8/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.15.rcgu.o): in function `<stdweb::webapi::element::Element as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/element.rs:173: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::HierarchyRequestError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:567: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.4.rcgu.o): in function `<stdweb::webapi::dom_exception::NotFoundError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:567: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.5.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.5.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-311aa73daf0adb66.rlib(stdweb-311aa73daf0adb66.stdweb.207f7z90-cgu.7.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/document.rs:34: 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 `rust-vs-go-slides`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "0deab929cd383a41abf5d62d81ccd655dfcbe88a836286e5bb8acc1b4f23e1cd", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "0deab929cd383a41abf5d62d81ccd655dfcbe88a836286e5bb8acc1b4f23e1cd", kill_on_drop: false }`
[INFO] [stdout] 0deab929cd383a41abf5d62d81ccd655dfcbe88a836286e5bb8acc1b4f23e1cd