[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasft%2Fwasm-calculator" "/workspace/builds/worker-7/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/hasft/wasm-calculator on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", 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-7/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded meval v0.2.0
[INFO] [stderr]   Downloaded nom v1.2.4
[INFO] [stderr]   Downloaded cc v1.0.31
[INFO] [stderr]   Downloaded utf8-ranges v1.0.2
[INFO] [stderr]   Downloaded synstructure v0.10.1
[INFO] [stderr]   Downloaded backtrace v0.3.14
[INFO] [stderr]   Downloaded http v0.1.16
[INFO] [stderr]   Downloaded bincode v1.0.1
[INFO] [stderr]   Downloaded rustc-demangle v0.1.13
[INFO] [stderr]   Downloaded base-x v0.2.4
[INFO] [stderr]   Downloaded serde v1.0.89
[INFO] [stderr]   Downloaded itoa v0.4.3
[INFO] [stderr]   Downloaded ryu v0.2.7
[INFO] [stderr]   Downloaded regex v1.1.2
[INFO] [stderr]   Downloaded byteorder v1.3.1
[INFO] [stderr]   Downloaded autocfg v0.1.2
[INFO] [stderr]   Downloaded cfg-if v0.1.7
[INFO] [stderr]   Downloaded regex-syntax v0.6.5
[INFO] [stderr]   Downloaded libc v0.2.50
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded syn v0.15.29
[INFO] [stderr]   Downloaded winapi v0.3.6
[INFO] [stderr]   Downloaded stdweb-derive v0.5.1
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.6
[INFO] [stderr]   Downloaded proc-macro2 v0.4.27
[INFO] [stderr]   Downloaded quote v0.6.11
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.3
[INFO] [stderr]   Downloaded stdweb v0.4.15
[INFO] [stderr]   Downloaded serde_derive v1.0.89
[INFO] [stderr]   Downloaded yew v0.6.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 52292ba496bc52e51178716138af671aceaa213865f86d3692a9e4738b9d45cb
[INFO] running `Command { std: "docker" "start" "-a" "52292ba496bc52e51178716138af671aceaa213865f86d3692a9e4738b9d45cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "52292ba496bc52e51178716138af671aceaa213865f86d3692a9e4738b9d45cb", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "52292ba496bc52e51178716138af671aceaa213865f86d3692a9e4738b9d45cb", kill_on_drop: false }`
[INFO] [stdout] 52292ba496bc52e51178716138af671aceaa213865f86d3692a9e4738b9d45cb
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 834f96b8ee2fe6135bcb58a4fbb1639123d2d9edc3ee5098c70442cffec5c286
[INFO] running `Command { std: "docker" "start" "-a" "834f96b8ee2fe6135bcb58a4fbb1639123d2d9edc3ee5098c70442cffec5c286", kill_on_drop: false }`
[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 byteorder v1.3.1
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling cc v1.0.31
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling utf8-ranges v1.0.2
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling backtrace v0.3.14
[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 status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.calculator.d517ed07-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0.444lhrd353rrm7xd.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-b7884d2f772a599d/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcalculator-91ea260cb25d8c54.rlib" "/opt/rustwide/target/debug/deps/libmeval-a5a3965816de2207.rlib" "/opt/rustwide/target/debug/deps/libnom-5cd514eda0e3da61.rlib" "/opt/rustwide/target/debug/deps/libyew-b46b4091af7e15ea.rlib" "/opt/rustwide/target/debug/deps/libstdweb-0dde3ca259a29b14.rlib" "/opt/rustwide/target/debug/deps/libdiscard-166bdae8beb99e0a.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-1239be00fc4f4c80.rlib" "/opt/rustwide/target/debug/deps/libslab-31c88580e3b60f0d.rlib" "/opt/rustwide/target/debug/deps/libanymap-4284ef1e0129634d.rlib" "/opt/rustwide/target/debug/deps/libbincode-4605f8f19620df75.rlib" "/opt/rustwide/target/debug/deps/libserde_json-0a0e539f2a4059f1.rlib" "/opt/rustwide/target/debug/deps/libryu-660a4fd43c22b659.rlib" "/opt/rustwide/target/debug/deps/libserde-9dac47f4beb1f7ff.rlib" "/opt/rustwide/target/debug/deps/libhttp-b37ace42a5fab414.rlib" "/opt/rustwide/target/debug/deps/libitoa-ed3e65388eda00dc.rlib" "/opt/rustwide/target/debug/deps/libfnv-7449a3f4573c4646.rlib" "/opt/rustwide/target/debug/deps/libbytes-7a25a0821951163f.rlib" "/opt/rustwide/target/debug/deps/libiovec-18a37368d75a42d1.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-59339b7967b0d21b.rlib" "/opt/rustwide/target/debug/deps/liblog-996d9959bb33d216.rlib" "/opt/rustwide/target/debug/deps/libfailure-7e096048bdcc331c.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-902645e0f9c88977.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-1c81a512b70b0df7.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5502dcfb7d38e37b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-ff4394a7ba76e8a0.rlib" "/opt/rustwide/target/debug/deps/liblibc-aefbaa8a8e9df57c.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/calculator-d9db203c4b457bd0" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-b46b4091af7e15ea.rlib(yew-b46b4091af7e15ea.yew.bd1be6c1-cgu.2.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-b46b4091af7e15ea.rlib(yew-b46b4091af7e15ea.yew.bd1be6c1-cgu.7.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-b46b4091af7e15ea.rlib(yew-b46b4091af7e15ea.yew.bd1be6c1-cgu.7.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-b46b4091af7e15ea.rlib(yew-b46b4091af7e15ea.yew.bd1be6c1-cgu.7.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-b46b4091af7e15ea.rlib(yew-b46b4091af7e15ea.yew.bd1be6c1-cgu.7.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-b46b4091af7e15ea.rlib(yew-b46b4091af7e15ea.yew.bd1be6c1-cgu.7.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-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.5.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-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.5.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-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.5.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-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.7.rcgu.o): in function `stdweb::webapi::document::document::snippet::__cargo_web_snippet_6fcce0aae651e2d748e085ff1f800f87625ff8c8':
[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-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.7.rcgu.o): in function `stdweb::webapi::document::Document::create_element::snippet::__cargo_web_snippet_91749aeb589cd0f9b17cbc01b2872ba709817982':
[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-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.7.rcgu.o): in function `stdweb::webapi::document::Document::create_element::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-0dde3ca259a29b14.rlib(stdweb-0dde3ca259a29b14.stdweb.a7eb03b8-cgu.7.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 `calculator` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "834f96b8ee2fe6135bcb58a4fbb1639123d2d9edc3ee5098c70442cffec5c286", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "834f96b8ee2fe6135bcb58a4fbb1639123d2d9edc3ee5098c70442cffec5c286", kill_on_drop: false }`
[INFO] [stdout] 834f96b8ee2fe6135bcb58a4fbb1639123d2d9edc3ee5098c70442cffec5c286