[INFO] cloning repository https://github.com/hasft/wasm-calculator
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/hasft/wasm-calculator" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasft%2Fwasm-calculator", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasft%2Fwasm-calculator'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 44a08cf803a3848ab1a1a02983749113a32e0a1b
[INFO] testing hasft/wasm-calculator against 1.49.0 for beta-1.50-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasft%2Fwasm-calculator" "/workspace/builds/worker-6/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-6/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hasft/wasm-calculator 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/hasft/wasm-calculator
[INFO] finished tweaking git repo https://github.com/hasft/wasm-calculator
[INFO] tweaked toml for git repo https://github.com/hasft/wasm-calculator written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] crate git repo https://github.com/hasft/wasm-calculator 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] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] 17af953345bfd1e40bb3edab9795be034a9310e267aeb6aef091011732b7b9e1
[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" "17af953345bfd1e40bb3edab9795be034a9310e267aeb6aef091011732b7b9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17af953345bfd1e40bb3edab9795be034a9310e267aeb6aef091011732b7b9e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17af953345bfd1e40bb3edab9795be034a9310e267aeb6aef091011732b7b9e1", kill_on_drop: false }`
[INFO] [stdout] 17af953345bfd1e40bb3edab9795be034a9310e267aeb6aef091011732b7b9e1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/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] [stdout] 01954d85ad6b209ec9e641af750333d2c8279028fc664469690e5633f03359e1
[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" "01954d85ad6b209ec9e641af750333d2c8279028fc664469690e5633f03359e1", 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]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling syn v0.15.29
[INFO] [stderr]    Compiling libc v0.2.50
[INFO] [stderr]    Compiling serde v1.0.89
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling lazy_static v1.3.0
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.12
[INFO] [stderr]    Compiling http v0.1.16
[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 v1.0.89
[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 calculator 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/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.calculator.amsoi0yl-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f" "/opt/rustwide/target/debug/deps/calculator-5463c4d3c9b0d96f.4g7j6vw0fnmj1ica.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-ffe303d1249146f3/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/libcalculator-c5cab24b5ed7648f.rlib" "/opt/rustwide/target/debug/deps/libmeval-08861453cbaa9b45.rlib" "/opt/rustwide/target/debug/deps/libnom-9e483f80bc0452c5.rlib" "/opt/rustwide/target/debug/deps/libyew-77d7bd0d33dae8af.rlib" "/opt/rustwide/target/debug/deps/libstdweb-1a1c6720a9583f73.rlib" "/opt/rustwide/target/debug/deps/libdiscard-4790efd64fd1d129.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-d90bfed8c80946b6.rlib" "/opt/rustwide/target/debug/deps/libslab-65742487a18009d6.rlib" "/opt/rustwide/target/debug/deps/libanymap-221b2e853f553154.rlib" "/opt/rustwide/target/debug/deps/libbincode-356f6f64d9aea0d0.rlib" "/opt/rustwide/target/debug/deps/libserde_json-2b9aa0744dd8be11.rlib" "/opt/rustwide/target/debug/deps/libryu-f4f67b4499568bce.rlib" "/opt/rustwide/target/debug/deps/libserde-89af7e0b8b690df0.rlib" "/opt/rustwide/target/debug/deps/libhttp-638e6ec571a8f9b7.rlib" "/opt/rustwide/target/debug/deps/libitoa-368a938fcc978b1f.rlib" "/opt/rustwide/target/debug/deps/libfnv-40b1e5d34b306915.rlib" "/opt/rustwide/target/debug/deps/libbytes-2c022dac556381a8.rlib" "/opt/rustwide/target/debug/deps/libiovec-e945989ccf7def1a.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-05ffa39c4d0ff823.rlib" "/opt/rustwide/target/debug/deps/liblog-75f97370e3c69217.rlib" "/opt/rustwide/target/debug/deps/libfailure-f2c3e204592c2f6a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-a193105ac5fe92fd.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-ff8535cafab84767.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-236c605d3d55cb8d.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4d47206547bf9fb1.rlib" "/opt/rustwide/target/debug/deps/liblibc-003f556c352edd12.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-77d7bd0d33dae8af.rlib(yew-77d7bd0d33dae8af.yew.njitbytp-cgu.8.rcgu.o): in function `yew::services::console::ConsoleService::log::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650':
[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-77d7bd0d33dae8af.rlib(yew-77d7bd0d33dae8af.yew.njitbytp-cgu.9.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-77d7bd0d33dae8af.rlib(yew-77d7bd0d33dae8af.yew.njitbytp-cgu.9.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-77d7bd0d33dae8af.rlib(yew-77d7bd0d33dae8af.yew.njitbytp-cgu.9.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-77d7bd0d33dae8af.rlib(yew-77d7bd0d33dae8af.yew.njitbytp-cgu.9.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-77d7bd0d33dae8af.rlib(yew-77d7bd0d33dae8af.yew.njitbytp-cgu.9.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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-cgu.6.rcgu.o): in function `stdweb::webapi::node::INode::remove_child::snippet::__cargo_web_snippet_614a3dd2adb7e9eac4a0ec6e59d37f87e0521c3b':
[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-1a1c6720a9583f73.rlib(stdweb-1a1c6720a9583f73.stdweb.6l8peuoy-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 `calculator`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "01954d85ad6b209ec9e641af750333d2c8279028fc664469690e5633f03359e1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "01954d85ad6b209ec9e641af750333d2c8279028fc664469690e5633f03359e1", kill_on_drop: false }`
[INFO] [stdout] 01954d85ad6b209ec9e641af750333d2c8279028fc664469690e5633f03359e1