[INFO] cloning repository https://github.com/computationaltheory/penguin_jumps
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/computationaltheory/penguin_jumps" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomputationaltheory%2Fpenguin_jumps", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomputationaltheory%2Fpenguin_jumps'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 323270087ad4ddd76987565c656b36c314bc61f5
[INFO] testing computationaltheory/penguin_jumps against master#a77da2d454e6caa227a85b16410b95f93495e7e0 for pr-91031
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomputationaltheory%2Fpenguin_jumps" "/workspace/builds/worker-77/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-77/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/computationaltheory/penguin_jumps on toolchain a77da2d454e6caa227a85b16410b95f93495e7e0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/computationaltheory/penguin_jumps
[INFO] finished tweaking git repo https://github.com/computationaltheory/penguin_jumps
[INFO] tweaked toml for git repo https://github.com/computationaltheory/penguin_jumps written to /workspace/builds/worker-77/source/Cargo.toml
[INFO] crate git repo https://github.com/computationaltheory/penguin_jumps already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "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] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base-x v0.2.4
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.6
[INFO] [stderr]   Downloaded stdweb v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ce5cef94d9cc1c37817880de34342cd2a3b2cc3dcfbd74427ff91a9dd2af21b1
[INFO] running `Command { std: "docker" "start" "-a" "ce5cef94d9cc1c37817880de34342cd2a3b2cc3dcfbd74427ff91a9dd2af21b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ce5cef94d9cc1c37817880de34342cd2a3b2cc3dcfbd74427ff91a9dd2af21b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ce5cef94d9cc1c37817880de34342cd2a3b2cc3dcfbd74427ff91a9dd2af21b1", kill_on_drop: false }`
[INFO] [stdout] ce5cef94d9cc1c37817880de34342cd2a3b2cc3dcfbd74427ff91a9dd2af21b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-77/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+a77da2d454e6caa227a85b16410b95f93495e7e0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] c86b99a3be3950daf730e3d0a794a824c7f317060b9a2ec9d82524166679a741
[INFO] running `Command { std: "docker" "start" "-a" "c86b99a3be3950daf730e3d0a794a824c7f317060b9a2ec9d82524166679a741", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling serde_derive v1.0.89
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.6
[INFO] [stderr]    Compiling penguin_jumps 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/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.17rsg352bg3yewtp.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib" "/opt/rustwide/target/debug/deps/libdiscard-e8075c277bd827d9.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-1df2eedc28a6f61b.rlib" "/opt/rustwide/target/debug/deps/libserde_json-0b24c427929a41f5.rlib" "/opt/rustwide/target/debug/deps/libryu-15b6ba5feaf4bf0a.rlib" "/opt/rustwide/target/debug/deps/libitoa-96ce37d5cfefc361.rlib" "/opt/rustwide/target/debug/deps/libserde-5ea47f70994b4172.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-29e5e596e889a0aa.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1b145d9fcdc08832.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b037ee6b77e2ff0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9635a64fca0ebd28.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-a7574eb9bb7a8fc5.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-f5fa1dc334dcaeeb.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6ee570a898e75ef0.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-afb62f29a0815772.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a632746535fd9988.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-25acc307bcb1d7b6.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-377721a625f6ace7.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-43c01431c8a4ee6f.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5f74725679453254.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-2b35d8999819161d.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-a81f2980c3f58cf2.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-57b4679830289815.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2a6a2797f7a73818.rlib" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-0e3656b1fda5fd7b.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-13b419dfbcf9c1f8.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/a77da2d454e6caa227a85b16410b95f93495e7e0/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_390a19322f4af4379555db22a37333e900b6264e':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_0878b8fdeaab9e7011a24c2f597cfce54accd5cd':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_e7dd683721f4d77229e9376652bbdaa9907381b2':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_942e78abdb9098f43cb2847a8ad4ca6a2e46ac4f':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_901506d2a7d433f750af9f56d2a4791e0ea126b1':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-a34fdfb2f68a39be.penguin_jumps.4472a811-cgu.0.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.15.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/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-0.4.15/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.15.rcgu.o): in function `stdweb::webapi::window_or_worker::IWindowOrWorker::set_timeout::snippet::__cargo_web_snippet_2034053b7b6771271a2dad3e5416b045a74488a1':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.15.rcgu.o): in function `<stdweb::webapi::dom_exception::SyntaxError as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_7c8dfab835dc8a552cd9d67f27d26624590e052c':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.2.rcgu.o): in function `stdweb::webapi::window::window::snippet::__cargo_web_snippet_0f503de1d61309643e0e13a7871406891e3691c9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:101: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.3.rcgu.o): in function `<stdweb::webapi::element::Element as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_352943ae98b2eeb817e36305c3531d61c7e1a52b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.3.rcgu.o): in function `<stdweb::webapi::html_elements::canvas::CanvasElement as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_5984245de8b6ef88f693ba2383ebf3c2f9718c6c':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d36f329ef3a5d0e4.rlib(stdweb-d36f329ef3a5d0e4.stdweb.cb57893d-cgu.3.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/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 `penguin_jumps` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c86b99a3be3950daf730e3d0a794a824c7f317060b9a2ec9d82524166679a741", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c86b99a3be3950daf730e3d0a794a824c7f317060b9a2ec9d82524166679a741", kill_on_drop: false }`
[INFO] [stdout] c86b99a3be3950daf730e3d0a794a824c7f317060b9a2ec9d82524166679a741