[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 beta-2023-04-20 for beta-1.70-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fcomputationaltheory%2Fpenguin_jumps" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/computationaltheory/penguin_jumps on toolchain beta-2023-04-20
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "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-0-tc2/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: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2023-04-20" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded base-x v0.2.4
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.6
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded stdweb v0.4.15
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 170e4f74d5e7baf511d77b2270f93d46fd1d27ea8e55f7a2a70cd2839bc2192e
[INFO] running `Command { std: "docker" "start" "-a" "170e4f74d5e7baf511d77b2270f93d46fd1d27ea8e55f7a2a70cd2839bc2192e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "170e4f74d5e7baf511d77b2270f93d46fd1d27ea8e55f7a2a70cd2839bc2192e", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "170e4f74d5e7baf511d77b2270f93d46fd1d27ea8e55f7a2a70cd2839bc2192e", kill_on_drop: false }`
[INFO] [stdout] 170e4f74d5e7baf511d77b2270f93d46fd1d27ea8e55f7a2a70cd2839bc2192e
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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" "RUSTDOCFLAGS=--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@sha256:5ff2268d62e97bff2cde7d5815dd6ed5b47097566f13b8d0ca110b04b60e07ed" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2023-04-20" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b855b975b791e5c81a03abf43045c83b3ad4c7e465f093c589aaa4cacb0e41e6
[INFO] running `Command { std: "docker" "start" "-a" "b855b975b791e5c81a03abf43045c83b3ad4c7e465f093c589aaa4cacb0e41e6", kill_on_drop: false }`
[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 semver-parser v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[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 semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[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-internal-macros v0.2.6
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[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: LC_ALL="C" PATH="/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/bin:/opt/rustwide/cargo-home/bin:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin" VSLANG="1033" "cc" "-m64" "/tmp/rustcRhnDb7/symbols.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.1iivytl6r05aqlfe.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-ab520108546149b5.rlib" "/opt/rustwide/target/debug/deps/libdiscard-cc4f4c59330690ca.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-d99165215202faa1.rlib" "/opt/rustwide/target/debug/deps/libserde_json-cfad60aab8a7bd7a.rlib" "/opt/rustwide/target/debug/deps/libryu-4c94681cf40b986d.rlib" "/opt/rustwide/target/debug/deps/libitoa-3fcba51b14786bdb.rlib" "/opt/rustwide/target/debug/deps/libserde-7b7b1ceaa75e2f55.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-0e29cc23c5e02021.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d903621768a861d9.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-6d0225e655f31c13.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-9dbaf4eac7eaa079.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-27f05b3d42a66dd0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-4d73f1030321c9a2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-2846c9e58abd0acb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-a53d0f50415947be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d48e4b6abc25b9dc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-2991859439ef1207.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-8a687517e4221bae.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-e07b554f6a67f5b3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-b68238b7c3c619dd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d5e213e896c017e4.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0211a3b2e61d8689.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-b371f055239ba51f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-e60518d2760eb01e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1ad943f92a4b1081.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f0d6e4d0fc1e80b4.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-z,noexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2023-04-20-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14" "-Wl,--gc-sections" "-pie" "-Wl,-z,relro,-z,now" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/penguin_jumps-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_390a19322f4af4379555db22a37333e900b6264e':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_0878b8fdeaab9e7011a24c2f597cfce54accd5cd':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_e7dd683721f4d77229e9376652bbdaa9907381b2':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_942e78abdb9098f43cb2847a8ad4ca6a2e46ac4f':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o: in function `penguin_jumps::character::Character::update::snippet::__cargo_web_snippet_901506d2a7d433f750af9f56d2a4791e0ea126b1':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-fae2587ecd95aa14.penguin_jumps.5a3b38da-cgu.0.rcgu.o:/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.2.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.2.rcgu.o): in function `stdweb::webapi::event_target::IEventTarget::add_event_listener::snippet::__cargo_web_snippet_99c4eefdc8d4cc724135163b8c8665a1f3de99e4':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.2.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/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.4.rcgu.o): in function `stdweb::webapi::window::window::snippet::__cargo_web_snippet_0f503de1d61309643e0e13a7871406891e3691c9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.5.rcgu.o): in function `stdweb::webcore::initialization::initialize::snippet::__cargo_web_snippet_59c63ba786179baf0cde1136695be8a5ad97ddb3':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.5.rcgu.o): in function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_dc2fd915bd92f9e9c6a3bd15174f1414eee3dbaf':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/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-ab520108546149b5.rlib(stdweb-ab520108546149b5.stdweb.8938d912-cgu.5.rcgu.o):/opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/stdweb-0.4.15/src/webcore/macros.rs:32: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = note: 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` (bin "penguin_jumps") due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b855b975b791e5c81a03abf43045c83b3ad4c7e465f093c589aaa4cacb0e41e6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b855b975b791e5c81a03abf43045c83b3ad4c7e465f093c589aaa4cacb0e41e6", kill_on_drop: false }`
[INFO] [stdout] b855b975b791e5c81a03abf43045c83b3ad4c7e465f093c589aaa4cacb0e41e6
