[INFO] updating cached repository https://github.com/jimmycuadra/hunt-the-wumpus
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune", kill_on_drop: false }`
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] d0796abed7758f2854d65d32f8c14607e34ca561
[INFO] testing jimmycuadra/hunt-the-wumpus against beta-2020-07-24 for beta-1.46-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjimmycuadra%2Fhunt-the-wumpus" "/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/jimmycuadra/hunt-the-wumpus on toolchain beta-2020-07-24
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jimmycuadra/hunt-the-wumpus
[INFO] finished tweaking git repo https://github.com/jimmycuadra/hunt-the-wumpus
[INFO] tweaked toml for git repo https://github.com/jimmycuadra/hunt-the-wumpus written to /workspace/builds/worker-4/source/Cargo.toml
[INFO] crate git repo https://github.com/jimmycuadra/hunt-the-wumpus already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2020-07-24" "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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 7fc171ac4fd150deedec532c22eb3bbc9efe94fd96d9c5c579f288e5204ec705
[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" "7fc171ac4fd150deedec532c22eb3bbc9efe94fd96d9c5c579f288e5204ec705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "7fc171ac4fd150deedec532c22eb3bbc9efe94fd96d9c5c579f288e5204ec705", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7fc171ac4fd150deedec532c22eb3bbc9efe94fd96d9c5c579f288e5204ec705", kill_on_drop: false }`
[INFO] [stdout] 7fc171ac4fd150deedec532c22eb3bbc9efe94fd96d9c5c579f288e5204ec705
[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" "MAP_USER_ID=0" "-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" "--network" "none" "rustops/crates-build-env@sha256:a636fd89d022f18117e1dc8fb37a0a009933cdbbe082814857f0e2024962d47c" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-07-24" "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] 85d57aa6c855d2417693b420ac7a4ff587921b24126b87f3d36035142a22850b
[INFO] running `Command { std: "docker" "start" "-a" "85d57aa6c855d2417693b420ac7a4ff587921b24126b87f3d36035142a22850b", kill_on_drop: false }`
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling cc v1.0.35
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling libc v0.2.51
[INFO] [stderr]    Compiling serde v1.0.90
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling quote v0.6.12
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling http v0.1.17
[INFO] [stderr]    Compiling serde_json v1.0.39
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.6
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling yew v0.6.0
[INFO] [stderr]    Compiling hunt-the-wumpus 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/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.hunt_the_wumpus.5fnyms41-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d" "/opt/rustwide/target/debug/deps/hunt_the_wumpus-3a2be19498e5d76d.4uu5mj4q9qy8kudh.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-038c1466ae50b0be/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libhunt_the_wumpus-8e54072edf64f037.rlib" "/opt/rustwide/target/debug/deps/libyew-62c97a43197ac907.rlib" "/opt/rustwide/target/debug/deps/libslab-e0e9bebbbea2c5c2.rlib" "/opt/rustwide/target/debug/deps/libanymap-c5ec738a6cce3d5b.rlib" "/opt/rustwide/target/debug/deps/libbincode-0f2d7e4704e360b7.rlib" "/opt/rustwide/target/debug/deps/libhttp-f84b38426c3809d2.rlib" "/opt/rustwide/target/debug/deps/libfnv-37dc92b0673ee3ab.rlib" "/opt/rustwide/target/debug/deps/libbytes-8b0e09144a71951b.rlib" "/opt/rustwide/target/debug/deps/libiovec-f5779f4f0c0eaa4a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-0a365d08e7e185d9.rlib" "/opt/rustwide/target/debug/deps/liblog-696b516b1d667a61.rlib" "/opt/rustwide/target/debug/deps/libfailure-f5252bff7031e681.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-7dc6d88513c52c24.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-9c5f48085fb46c5e.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-f4ba60432012fd66.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-8729ece634ba6101.rlib" "/opt/rustwide/target/debug/deps/liblibc-4be606076218423f.rlib" "/opt/rustwide/target/debug/deps/libstdweb-8ac84eac076dde4b.rlib" "/opt/rustwide/target/debug/deps/libdiscard-567e082f2ad47cfa.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-b462ce836d0e4e72.rlib" "/opt/rustwide/target/debug/deps/libserde_json-7e0ba4d83f5feeb7.rlib" "/opt/rustwide/target/debug/deps/libryu-00795f02af989001.rlib" "/opt/rustwide/target/debug/deps/libitoa-976ae10b2fc88251.rlib" "/opt/rustwide/target/debug/deps/libserde-859f072588b43ef0.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-d66e0ceb8eaec9b8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-9717ec0599b569a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-04369de9ba916647.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-997d622c2e4dbe5c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-0359c4288a5ef89f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-1b25ede22d698ab3.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-37940b486a68e488.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-06b77c27e794c7c6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-4d07e02a8df36da1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-fb29e0695c0a0f79.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e16188b4cf97e8bb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-5eb391c8dabdee77.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-b0689b528b222bee.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-07-24-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ed072ac495e62e7a.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libhunt_the_wumpus-8e54072edf64f037.rlib(hunt_the_wumpus-8e54072edf64f037.hunt_the_wumpus.f020gku7-cgu.4.rcgu.o): in function `hunt_the_wumpus::util::js_rand::snippet::__cargo_web_snippet_77c7f20d9ad1903cb1faad4b79591e5576426760':
[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/libyew-62c97a43197ac907.rlib(yew-62c97a43197ac907.yew.x4m1rb04-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-0.4.15/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-62c97a43197ac907.rlib(yew-62c97a43197ac907.yew.x4m1rb04-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-0.4.15/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-62c97a43197ac907.rlib(yew-62c97a43197ac907.yew.x4m1rb04-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-0.4.15/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-62c97a43197ac907.rlib(yew-62c97a43197ac907.yew.x4m1rb04-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-0.4.15/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-62c97a43197ac907.rlib(yew-62c97a43197ac907.yew.x4m1rb04-cgu.10.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:91: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.4.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:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.4.rcgu.o): in function `stdweb::webapi::event::IEvent::stop_propagation::snippet::__cargo_web_snippet_85b9ecbdb8513465b790546acfd0cd530441b8a4':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.6.rcgu.o): in function `stdweb::webapi::node::INode::append_child::snippet::__cargo_web_snippet_e741b9d9071097746386b2c2ec044a2bc73e688c':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.6.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_cd41a77d0178ae27c833ef2950e5f1a48a1455c1':
[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-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.6.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_b06dde4acf09433b5190a4b001259fe5d4abcbc2':
[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-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.6.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_ab05f53189dacccf2d365ad26daa407d4f7abea9':
[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-8ac84eac076dde4b.rlib(stdweb-8ac84eac076dde4b.stdweb.6mlydym4-cgu.6.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] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `hunt-the-wumpus`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "85d57aa6c855d2417693b420ac7a4ff587921b24126b87f3d36035142a22850b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "85d57aa6c855d2417693b420ac7a4ff587921b24126b87f3d36035142a22850b", kill_on_drop: false }`
[INFO] [stdout] 85d57aa6c855d2417693b420ac7a4ff587921b24126b87f3d36035142a22850b