[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 master#5d5ff84130da0d74c6ece368dbe821d8f83fa526 for pr-79296
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjackyzhen%2Frust-vs-go-slides" "/workspace/builds/worker-13/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-13/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jackyzhen/rust-vs-go-slides on toolchain 5d5ff84130da0d74c6ece368dbe821d8f83fa526
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "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-13/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" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 140c0d4be8342a9f45378a0b1fa98a3b7d5d58d6fe9537d0dd1bd85c875a9ab9
[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" "140c0d4be8342a9f45378a0b1fa98a3b7d5d58d6fe9537d0dd1bd85c875a9ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "140c0d4be8342a9f45378a0b1fa98a3b7d5d58d6fe9537d0dd1bd85c875a9ab9", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "140c0d4be8342a9f45378a0b1fa98a3b7d5d58d6fe9537d0dd1bd85c875a9ab9", kill_on_drop: false }`
[INFO] [stdout] 140c0d4be8342a9f45378a0b1fa98a3b7d5d58d6fe9537d0dd1bd85c875a9ab9
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-13/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=forbid" "-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@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+5d5ff84130da0d74c6ece368dbe821d8f83fa526" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b951870274188739bcf67e1544e9f1e0c3dafea722b7b8a60a0a07752a393f44
[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" "b951870274188739bcf67e1544e9f1e0c3dafea722b7b8a60a0a07752a393f44", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling dtoa v0.4.3
[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 unicode-width v0.1.5
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling bitflags v0.9.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.9
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling log v0.4.3
[INFO] [stderr]    Compiling bytes v0.4.9
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling backtrace-sys v0.1.23
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling getopts v0.2.18
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling http v0.1.8
[INFO] [stderr]    Compiling quote v0.6.4
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.14.5
[INFO] [stderr]    Compiling failure_derive v0.1.1
[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/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d" "/opt/rustwide/target/debug/deps/rust_vs_go_slides-ab581f8dbbea8d8d.4ewimur8fqhobn4b.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-fc4e6c5795cd8d7f/out" "-L" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/librust_vs_go_slides-43b0b35bc266cc07.rlib" "/opt/rustwide/target/debug/deps/libpulldown_cmark-34f796156210a1b8.rlib" "/opt/rustwide/target/debug/deps/libbitflags-8e286bbeefafa09a.rlib" "/opt/rustwide/target/debug/deps/libyew-899a474932b0eb05.rlib" "/opt/rustwide/target/debug/deps/libstdweb-09894e05f35523b8.rlib" "/opt/rustwide/target/debug/deps/libdiscard-71cae45fb2af99f5.rlib" "/opt/rustwide/target/debug/deps/libslab-f6b13aef8495daae.rlib" "/opt/rustwide/target/debug/deps/libanymap-359dbfcc7f007864.rlib" "/opt/rustwide/target/debug/deps/libbincode-676eba935ac2db18.rlib" "/opt/rustwide/target/debug/deps/libserde_json-baba15c4047bd909.rlib" "/opt/rustwide/target/debug/deps/libdtoa-3f43e8ced0ce7b22.rlib" "/opt/rustwide/target/debug/deps/libserde-bbc8e6b0410d5915.rlib" "/opt/rustwide/target/debug/deps/libhttp-1c59d9ac2f33299a.rlib" "/opt/rustwide/target/debug/deps/libitoa-296a6bf322b7921e.rlib" "/opt/rustwide/target/debug/deps/libfnv-efbf2f9463bbe447.rlib" "/opt/rustwide/target/debug/deps/libbytes-c7b43f62c52d4360.rlib" "/opt/rustwide/target/debug/deps/libiovec-0a44e2038e517bff.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-36892ebd78b9cfca.rlib" "/opt/rustwide/target/debug/deps/liblog-b97ae6a64a9e758f.rlib" "/opt/rustwide/target/debug/deps/libfailure-d58f3a19eb369a42.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-916206748d87ef59.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-e416c9609f0bc5d0.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-7ee5cf33f45d9383.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-c7e474074f91fab8.rlib" "/opt/rustwide/target/debug/deps/liblibc-87cb102b83a2c85c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-c659455244c9d2ca.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-448643d99e633b5d.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-c7c3d631a525883a.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d7659a11bb201e01.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-9aceb6f83a33a9b6.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-876c3057c8a2a7c2.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2f02aa3e24d2aa49.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-1d4694108f8cb543.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-79eaa6e630880f50.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-0df1a4ec96f80cf7.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bba9b0f0f4d77257.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f848f9c987265235.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0d5ea4f2d39b8e27.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c22053fa5fc00a3b.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-c52e5d6301e1bd59.rlib" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-2675a9a46b5cec89.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/5d5ff84130da0d74c6ece368dbe821d8f83fa526/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-6e3d052afeb9f711.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-ab581f8dbbea8d8d.rust_vs_go_slides.12flg5m4-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-43b0b35bc266cc07.rlib(rust_vs_go_slides-43b0b35bc266cc07.rust_vs_go_slides.3kapjc4b-cgu.11.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-43b0b35bc266cc07.rlib(rust_vs_go_slides-43b0b35bc266cc07.rust_vs_go_slides.3kapjc4b-cgu.11.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-43b0b35bc266cc07.rlib(rust_vs_go_slides-43b0b35bc266cc07.rust_vs_go_slides.3kapjc4b-cgu.11.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event_target.rs:53: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-43b0b35bc266cc07.rlib(rust_vs_go_slides-43b0b35bc266cc07.rust_vs_go_slides.3kapjc4b-cgu.11.rcgu.o): in function `stdweb::webapi::node::INode::next_sibling':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/node.rs:142: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/librust_vs_go_slides-43b0b35bc266cc07.rlib(rust_vs_go_slides-43b0b35bc266cc07.rust_vs_go_slides.3kapjc4b-cgu.11.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/element.rs:25: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-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-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-cgu.14.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-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-cgu.3.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-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-cgu.3.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-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-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-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-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-09894e05f35523b8.rlib(stdweb-09894e05f35523b8.stdweb.5qjfsne0-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" "b951870274188739bcf67e1544e9f1e0c3dafea722b7b8a60a0a07752a393f44", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b951870274188739bcf67e1544e9f1e0c3dafea722b7b8a60a0a07752a393f44", kill_on_drop: false }`
[INFO] [stdout] b951870274188739bcf67e1544e9f1e0c3dafea722b7b8a60a0a07752a393f44