[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 beta-2021-08-01 for beta-1.55-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fhasft%2Fwasm-calculator" "/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/hasft/wasm-calculator on toolchain beta-2021-08-01
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-08-01" "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-4/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" "+beta-2021-08-01" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded stdweb v0.4.15
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] f7c925d712ce441431ea92e5c0c5f0bdb4fcda7f4c69776d281ad886e23da8b5
[INFO] running `Command { std: "docker" "start" "-a" "f7c925d712ce441431ea92e5c0c5f0bdb4fcda7f4c69776d281ad886e23da8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "f7c925d712ce441431ea92e5c0c5f0bdb4fcda7f4c69776d281ad886e23da8b5", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f7c925d712ce441431ea92e5c0c5f0bdb4fcda7f4c69776d281ad886e23da8b5", kill_on_drop: false }`
[INFO] [stdout] f7c925d712ce441431ea92e5c0c5f0bdb4fcda7f4c69776d281ad886e23da8b5
[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" "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@sha256:34b6a614d2c27851fe6cbf88fbd1137609cefab8b10d0615aaeb6fd47975d74e" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-08-01" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f43c1ca2ba7a45a5b00b5e5699f48d14330b320500f22e2a30eba8230394e5c3
[INFO] running `Command { std: "docker" "start" "-a" "f43c1ca2ba7a45a5b00b5e5699f48d14330b320500f22e2a30eba8230394e5c3", 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 cc v1.0.31
[INFO] [stderr]    Compiling cfg-if v0.1.7
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling memchr v2.2.0
[INFO] [stderr]    Compiling base-x v0.2.4
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling regex v1.1.2
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling nom v1.2.4
[INFO] [stderr]    Compiling backtrace v0.3.14
[INFO] [stderr]    Compiling thread_local v0.3.6
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling meval v0.2.0
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[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-derive v0.5.1
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.6
[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-a0654960711d9607.calculator.1d6e7e42-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.calculator.1d6e7e42-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607.vp95wo51ryagb23.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-bfcaf7991b073be1/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libcalculator-90e674ef1fe1cf51.rlib" "/opt/rustwide/target/debug/deps/libmeval-12037a935c2ef5c7.rlib" "/opt/rustwide/target/debug/deps/libnom-05a8d26238094301.rlib" "/opt/rustwide/target/debug/deps/libyew-28b14baf144e4404.rlib" "/opt/rustwide/target/debug/deps/libstdweb-b0153dba63430304.rlib" "/opt/rustwide/target/debug/deps/libdiscard-26e25f9a297f0b3c.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-e340967cd348569e.rlib" "/opt/rustwide/target/debug/deps/libslab-19bed823898320f8.rlib" "/opt/rustwide/target/debug/deps/libanymap-c7ee211834be1d6a.rlib" "/opt/rustwide/target/debug/deps/libbincode-51f0834303afd882.rlib" "/opt/rustwide/target/debug/deps/libserde_json-ea60220bb1963feb.rlib" "/opt/rustwide/target/debug/deps/libryu-be523c7de1ac55d9.rlib" "/opt/rustwide/target/debug/deps/libserde-bbafc125c3f53336.rlib" "/opt/rustwide/target/debug/deps/libhttp-5aab538724efccfa.rlib" "/opt/rustwide/target/debug/deps/libitoa-d6bf09347714b9a4.rlib" "/opt/rustwide/target/debug/deps/libfnv-4051482eb6a94926.rlib" "/opt/rustwide/target/debug/deps/libbytes-c2f9f12d892dce7c.rlib" "/opt/rustwide/target/debug/deps/libiovec-873061de76ba27ac.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-83adec3461a13c4f.rlib" "/opt/rustwide/target/debug/deps/liblog-fe8f8aea687937b8.rlib" "/opt/rustwide/target/debug/deps/libfailure-341cc3ca8d35908a.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-941885cdee99dda5.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-dd56ab65cfaebb5a.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-6e59363fb7a19d1a.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-f35ced9db9806c8a.rlib" "/opt/rustwide/target/debug/deps/liblibc-834e96b192eef3da.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-197d933f09d9a590.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-46a006cddfd334f0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-5b9870310e470b38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-260022ba8f1ab4ee.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-71377435a799394f.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-658ee5924fde57cd.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-9e8627da6bd1b94a.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-19fdaac49f59be84.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-cb00e2691ea45905.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-50f6726defae5ae1.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-2afc16311deea26e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bb5cb0fe086ee8cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-896053247b5dfd0b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-735e1f2ac3cf23be.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-9dfb6622644c732c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a9a3b2ad67977f47.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-08-01-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/calculator-a0654960711d9607" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-28b14baf144e4404.rlib(yew-28b14baf144e4404.yew.20dde8d4-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-28b14baf144e4404.rlib(yew-28b14baf144e4404.yew.20dde8d4-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-28b14baf144e4404.rlib(yew-28b14baf144e4404.yew.20dde8d4-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-28b14baf144e4404.rlib(yew-28b14baf144e4404.yew.20dde8d4-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-28b14baf144e4404.rlib(yew-28b14baf144e4404.yew.20dde8d4-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-28b14baf144e4404.rlib(yew-28b14baf144e4404.yew.20dde8d4-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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-b0153dba63430304.rlib(stdweb-b0153dba63430304.stdweb.a47594bf-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" "f43c1ca2ba7a45a5b00b5e5699f48d14330b320500f22e2a30eba8230394e5c3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f43c1ca2ba7a45a5b00b5e5699f48d14330b320500f22e2a30eba8230394e5c3", kill_on_drop: false }`
[INFO] [stdout] f43c1ca2ba7a45a5b00b5e5699f48d14330b320500f22e2a30eba8230394e5c3
