[INFO] cloning repository https://github.com/levjj/rustsweeper
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/levjj/rustsweeper" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] f7ac027074b1995f2bd7193e5fb31b34d6dbb42b
[INFO] testing levjj/rustsweeper against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Flevjj%2Frustsweeper" "/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/levjj/rustsweeper 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/levjj/rustsweeper
[INFO] finished tweaking git repo https://github.com/levjj/rustsweeper
[INFO] tweaked toml for git repo https://github.com/levjj/rustsweeper written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/levjj/rustsweeper 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] 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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 1350529b04c1f8e645de1bf962ddf781a96c81ddf8b3cf028aaf391fc8d14151
[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" "1350529b04c1f8e645de1bf962ddf781a96c81ddf8b3cf028aaf391fc8d14151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1350529b04c1f8e645de1bf962ddf781a96c81ddf8b3cf028aaf391fc8d14151", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1350529b04c1f8e645de1bf962ddf781a96c81ddf8b3cf028aaf391fc8d14151", kill_on_drop: false }`
[INFO] [stdout] 1350529b04c1f8e645de1bf962ddf781a96c81ddf8b3cf028aaf391fc8d14151
[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:b8eeb62f26c39b23691079a6cb6de528d8e88b4d71a8f6b1d30f8ba7d9c16de9" "/opt/rustwide/cargo-home/bin/cargo" "+1.49.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 38ef4b0d8d8ceb3ad7b6614c4d439d9fa302680ef2a474d31af9f6f525071d11
[INFO] running `Command { std: "docker" "start" "-a" "38ef4b0d8d8ceb3ad7b6614c4d439d9fa302680ef2a474d31af9f6f525071d11", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.42
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling cfg-if v0.1.9
[INFO] [stderr]    Compiling serde v1.0.98
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]    Compiling ryu v1.0.0
[INFO] [stderr]    Compiling cc v1.0.38
[INFO] [stderr]    Compiling itoa v0.4.4
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.15
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling proc-macro-nested v0.1.3
[INFO] [stderr]    Compiling ppv-lite86 v0.2.5
[INFO] [stderr]    Compiling base-x v0.2.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling boolinator v2.4.0
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling yew v0.7.0
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling slab v0.4.2
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling stdweb v0.4.18
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.31
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling rand_core v0.5.0
[INFO] [stderr]    Compiling rand_chacha v0.2.1
[INFO] [stderr]    Compiling rand v0.7.0
[INFO] [stderr]    Compiling http v0.1.18
[INFO] [stderr]    Compiling backtrace v0.3.34
[INFO] [stderr]    Compiling synstructure v0.10.2
[INFO] [stderr]    Compiling serde_derive v1.0.98
[INFO] [stderr]    Compiling proc-macro-hack v0.5.8
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling yew-macro v0.7.0
[INFO] [stderr]    Compiling serde_json v1.0.40
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.7
[INFO] [stderr]    Compiling rustsweeper 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/1.49.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.rustsweeper.4kvhf84r-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68" "/opt/rustwide/target/debug/deps/rustsweeper-5febc600bf862a68.wcarvblyasdp5ml.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-558d217dd1d44bcf/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/librustsweeper-e1ed388e1e399012.rlib" "/opt/rustwide/target/debug/deps/librand-fb946ccf0c57282b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-a017363f520a150f.rlib" "/opt/rustwide/target/debug/deps/libc2_chacha-efd17cf7f4bce980.rlib" "/opt/rustwide/target/debug/deps/libppv_lite86-a74c4607750846e5.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-4ccbe9d570ae61ca.rlib" "/opt/rustwide/target/debug/deps/librand_core-016d6ba91f92968a.rlib" "/opt/rustwide/target/debug/deps/libgetrandom-76b2849a46250f0c.rlib" "/opt/rustwide/target/debug/deps/libyew-fe5da34f051e2a25.rlib" "/opt/rustwide/target/debug/deps/libproc_macro_nested-b74e4b5afd21261a.rlib" "/opt/rustwide/target/debug/deps/libhttp-cbecdacf6bce0e28.rlib" "/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rlib" "/opt/rustwide/target/debug/deps/libbytes-828fe06e3c56a7a1.rlib" "/opt/rustwide/target/debug/deps/libiovec-5e06622877fd4971.rlib" "/opt/rustwide/target/debug/deps/libfailure-089d3720647ca5c0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-787a56d1d95929aa.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-6f2746f0ca720a0f.rlib" "/opt/rustwide/target/debug/deps/liblibc-13d0d555ca579de4.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-b01211762768e3f7.rlib" "/opt/rustwide/target/debug/deps/libstdweb-f1046af6c7e85f76.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4790efd64fd1d129.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-0000710c79b67174.rlib" "/opt/rustwide/target/debug/deps/libserde_json-26cdac82290241b9.rlib" "/opt/rustwide/target/debug/deps/libryu-e2e3c0d9c2c97bb4.rlib" "/opt/rustwide/target/debug/deps/libitoa-ad466912a71ab2a3.rlib" "/opt/rustwide/target/debug/deps/libslab-65742487a18009d6.rlib" "/opt/rustwide/target/debug/deps/liblog-9f4b8eb482776516.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-3673e727ad517307.rlib" "/opt/rustwide/target/debug/deps/libbincode-7ed107fe2aa95e8c.rlib" "/opt/rustwide/target/debug/deps/libserde-acc26b31f060d639.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-76ff728e7fb88045.rlib" "/opt/rustwide/target/debug/deps/libanymap-221b2e853f553154.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/libyew-fe5da34f051e2a25.rlib(yew-fe5da34f051e2a25.yew.beyywoop-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-fe5da34f051e2a25.rlib(yew-fe5da34f051e2a25.yew.beyywoop-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-fe5da34f051e2a25.rlib(yew-fe5da34f051e2a25.yew.beyywoop-cgu.10.rcgu.o): in function `yew::virtual_dom::vtag::set_attribute::snippet::__cargo_web_snippet_da2febd72f9938d90bc2bf2905643f595b07abd9':
[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-fe5da34f051e2a25.rlib(yew-fe5da34f051e2a25.yew.beyywoop-cgu.10.rcgu.o): in function `yew::virtual_dom::vtag::remove_attribute::snippet::__cargo_web_snippet_f6358c198ebcc61c9da370cca2679c0b8bc81a7b':
[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-fe5da34f051e2a25.rlib(yew-fe5da34f051e2a25.yew.beyywoop-cgu.10.rcgu.o): in function `yew::virtual_dom::vtag::set_checked::snippet::__cargo_web_snippet_a1f43b583e011a9bbeae64030b81f677e6c29005':
[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-f1046af6c7e85f76.rlib(stdweb-f1046af6c7e85f76.stdweb.3kw1qv44-cgu.1.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.18/src/webcore/macros.rs:32: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-f1046af6c7e85f76.rlib(stdweb-f1046af6c7e85f76.stdweb.3kw1qv44-cgu.8.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-f1046af6c7e85f76.rlib(stdweb-f1046af6c7e85f76.stdweb.3kw1qv44-cgu.8.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-f1046af6c7e85f76.rlib(stdweb-f1046af6c7e85f76.stdweb.3kw1qv44-cgu.8.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-f1046af6c7e85f76.rlib(stdweb-f1046af6c7e85f76.stdweb.3kw1qv44-cgu.9.rcgu.o): in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,(A12,)),stdweb::webcore::mutfn::Mut<F>> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter::snippet::__cargo_web_snippet_ff5103e6cc179d13b4c7a785bdce2708fd559fc0':
[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]           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 `rustsweeper`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "38ef4b0d8d8ceb3ad7b6614c4d439d9fa302680ef2a474d31af9f6f525071d11", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "38ef4b0d8d8ceb3ad7b6614c4d439d9fa302680ef2a474d31af9f6f525071d11", kill_on_drop: false }`
[INFO] [stdout] 38ef4b0d8d8ceb3ad7b6614c4d439d9fa302680ef2a474d31af9f6f525071d11