[INFO] cloning repository https://github.com/planet0104/art_pattern
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/planet0104/art_pattern" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fart_pattern", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fplanet0104%2Fart_pattern'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 29d9431f547e265dbdd5416ccc3187a93f6a3da1
[INFO] testing planet0104/art_pattern 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%2Fplanet0104%2Fart_pattern" "/workspace/builds/worker-66/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-66/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/planet0104/art_pattern 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/planet0104/art_pattern
[INFO] finished tweaking git repo https://github.com/planet0104/art_pattern
[INFO] tweaked toml for git repo https://github.com/planet0104/art_pattern written to /workspace/builds/worker-66/source/Cargo.toml
[INFO] crate git repo https://github.com/planet0104/art_pattern 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]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 66abfee76f175e6c2c43e254723069bb06c7c7d14cf10d03a7ba25ca9e1bb488
[INFO] running `Command { std: "docker" "start" "-a" "66abfee76f175e6c2c43e254723069bb06c7c7d14cf10d03a7ba25ca9e1bb488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "66abfee76f175e6c2c43e254723069bb06c7c7d14cf10d03a7ba25ca9e1bb488", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "66abfee76f175e6c2c43e254723069bb06c7c7d14cf10d03a7ba25ca9e1bb488", kill_on_drop: false }`
[INFO] [stdout] 66abfee76f175e6c2c43e254723069bb06c7c7d14cf10d03a7ba25ca9e1bb488
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-66/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] 60552fb5d7d8422558ebf06fd967f7136f4c1c53e967b0d88ef637433b40ce2b
[INFO] running `Command { std: "docker" "start" "-a" "60552fb5d7d8422558ebf06fd967f7136f4c1c53e967b0d88ef637433b40ce2b", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling serde v1.0.70
[INFO] [stderr]    Compiling dtoa v0.4.3
[INFO] [stderr]    Compiling itoa v0.4.2
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling art_pattern v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling proc-macro2 v0.4.8
[INFO] [stderr]    Compiling proc-macro2 v0.2.3
[INFO] [stderr]    Compiling quote v0.4.2
[INFO] [stderr]    Compiling quote v0.6.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling syn v0.14.4
[INFO] [stderr]    Compiling serde_derive v1.0.70
[INFO] [stderr]    Compiling serde_json v1.0.24
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]   --> src/main.rs:75:21
[INFO] [stdout]    |
[INFO] [stdout] 75 |     ul.append_child({ &elem_content("li", "第一章 绘图入门") });
[INFO] [stdout]    |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/main.rs:177:21
[INFO] [stdout]     |
[INFO] [stdout] 177 |     ul.append_child({ &elem_content("li", "第二章 图案变换及操作") });
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around method argument
[INFO] [stdout]    --> src/main.rs:321:21
[INFO] [stdout]     |
[INFO] [stdout] 321 |     ul.append_child({ &elem_content("li", "第三章 图案程序60例") });
[INFO] [stdout]     |                     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `draw`
[INFO] [stdout]  --> src/chapter2/sample11.rs:5:8
[INFO] [stdout]   |
[INFO] [stdout] 5 | pub fn draw(context: &CanvasRenderingContext2d) {
[INFO] [stdout]   |        ^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `set_param`
[INFO] [stdout]   --> src/main.rs:46:4
[INFO] [stdout]    |
[INFO] [stdout] 46 | fn set_param(i: i32, value: &str) {
[INFO] [stdout]    |    ^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.43kfxptny7i8fgrt.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-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/libstdweb-7e34d82d0737da0b.rlib" "/opt/rustwide/target/debug/deps/libdiscard-c1f5d74732ddfb59.rlib" "/opt/rustwide/target/debug/deps/libserde_json-b9b400b9b179ebd5.rlib" "/opt/rustwide/target/debug/deps/libitoa-4ffb7cbdd8b2a62a.rlib" "/opt/rustwide/target/debug/deps/libdtoa-f4d029ab227ead1b.rlib" "/opt/rustwide/target/debug/deps/libserde-659678b1933ad098.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" "-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/art_pattern-71ab1ffc43305c4c" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.12.rcgu.o: in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,(A12,)),F> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/serialization.rs:1036: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.12.rcgu.o: in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,(A12,)),F> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/serialization.rs:1036: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.14.rcgu.o: in function `<stdweb::webapi::events::mouse::ClickEvent as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/events/mouse.rs:259: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.14.rcgu.o: in function `<stdweb::webapi::html_elements::input::InputElement as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/html_elements/input.rs:13: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.14.rcgu.o: in function `stdweb::webapi::html_elements::input::InputElement::raw_value':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/html_elements/input.rs:28: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/art_pattern-71ab1ffc43305c4c.art_pattern.9f3c77b4-cgu.14.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webapi/event.rs:162: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7e34d82d0737da0b.rlib(stdweb-7e34d82d0737da0b.stdweb.9501f61f-cgu.2.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/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-0.4.8/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7e34d82d0737da0b.rlib(stdweb-7e34d82d0737da0b.stdweb.9501f61f-cgu.5.rcgu.o): in function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:89: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7e34d82d0737da0b.rlib(stdweb-7e34d82d0737da0b.stdweb.9501f61f-cgu.5.rcgu.o): in function `<stdweb::webcore::symbol::Symbol as core::ops::drop::Drop>::drop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/symbol.rs:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7e34d82d0737da0b.rlib(stdweb-7e34d82d0737da0b.stdweb.9501f61f-cgu.6.rcgu.o): in function `stdweb::webcore::initialization::initialize':
[INFO] [stdout]           /opt/rustwide/target/debug/build/stdweb-74db7c786c743caf/out/runtime.rs:1: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7e34d82d0737da0b.rlib(stdweb-7e34d82d0737da0b.stdweb.9501f61f-cgu.6.rcgu.o): in function `stdweb::webcore::initialization::initialize::{{closure}}':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/initialization.rs:24: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/initialization.rs:26: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-7e34d82d0737da0b.rlib(stdweb-7e34d82d0737da0b.stdweb.9501f61f-cgu.6.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/initialization.rs:32: 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; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `art_pattern` due to 2 previous errors; 5 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "60552fb5d7d8422558ebf06fd967f7136f4c1c53e967b0d88ef637433b40ce2b", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "60552fb5d7d8422558ebf06fd967f7136f4c1c53e967b0d88ef637433b40ce2b", kill_on_drop: false }`
[INFO] [stdout] 60552fb5d7d8422558ebf06fd967f7136f4c1c53e967b0d88ef637433b40ce2b
