[INFO] updating cached repository https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fe6f72f6dd92ca0027a4334e1f00124fee9a74f
[INFO] testing aidanhs/slow-ref-stdweb-example against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example" "work/builds/worker-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aidanhs/slow-ref-stdweb-example on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] finished tweaking git repo https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] tweaked toml for git repo https://github.com/aidanhs/slow-ref-stdweb-example written to work/builds/worker-1/source/Cargo.toml
[INFO] crate git repo https://github.com/aidanhs/slow-ref-stdweb-example already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "/opt/rustwide/cargo-home/bin/cargo" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] d2d568ca999e62a30e7b10148a4919cd452d3153762d7e47e818253ef879549e
[INFO] running `"docker" "start" "-a" "d2d568ca999e62a30e7b10148a4919cd452d3153762d7e47e818253ef879549e"`
[INFO] [stderr]    Compiling cc v1.0.15
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling libc v0.2.41
[INFO] [stderr]    Compiling byteorder v1.2.3
[INFO] [stderr]    Compiling itoa v0.4.1
[INFO] [stderr]    Compiling rustc-demangle v0.1.8
[INFO] [stderr]    Compiling cfg-if v0.1.3
[INFO] [stderr]    Compiling stdweb v0.4.6
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.3
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling synstructure v0.6.1
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling quote v0.6.2
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling failure_derive v0.1.1
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling serde_derive v1.0.59
[INFO] [stderr]    Compiling serde_json v1.0.17
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling yew v0.4.0 (https://github.com/DenisKolodin/yew.git?rev=f392d7e#f392d7ef)
[INFO] [stderr]    Compiling web_logger v0.1.0
[INFO] [stderr]    Compiling logobble-dataflow-page v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> src/main.rs:33:9
[INFO] [stderr]    |
[INFO] [stderr] 33 |     let env = app.mount(elt);
[INFO] [stderr]    |         ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(unused_variables)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused variable: `env`
[INFO] [stderr]   --> src/main.rs:78:46
[INFO] [stderr]    |
[INFO] [stderr] 78 |     fn update(&mut self, msg: Self::Message, env: &mut Env<CTX, Self>) -> ShouldRender {
[INFO] [stderr]    |                                              ^^^ help: consider prefixing with an underscore: `_env`
[INFO] [stderr] 
[INFO] [stderr] error: linking with `cc` failed: exit code: 1
[INFO] [stderr]   |
[INFO] [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.jhn52miinsivcbq.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-8db11af45ef2ad1b/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-397a909f7f004ded.rlib" "/opt/rustwide/target/debug/deps/libhttp-b79deaf4b21f605d.rlib" "/opt/rustwide/target/debug/deps/libfnv-51dd7c2b44b560c1.rlib" "/opt/rustwide/target/debug/deps/libbytes-cd2e29f3a2f53f31.rlib" "/opt/rustwide/target/debug/deps/libiovec-ac24cf4905db5236.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-9243b79115e98d79.rlib" "/opt/rustwide/target/debug/deps/libfailure-fad6a5ddef8396dc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-f05d7ca7f37f5ecc.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-cedb84f36a95c642.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-22cf4b1d16ee149b.rlib" "/opt/rustwide/target/debug/deps/liblibc-3e638cc87320eeed.rlib" "/opt/rustwide/target/debug/deps/libweb_logger-d2bd5ba06ac33100.rlib" "/opt/rustwide/target/debug/deps/libstdweb-3b87d864ea47cba5.rlib" "/opt/rustwide/target/debug/deps/libdiscard-df473d0bfc50a6fa.rlib" "/opt/rustwide/target/debug/deps/libserde_json-04b53447980f98b2.rlib" "/opt/rustwide/target/debug/deps/libitoa-1268c8e18cea66cf.rlib" "/opt/rustwide/target/debug/deps/libdtoa-8cfec12df2f480de.rlib" "/opt/rustwide/target/debug/deps/libserde-d90fc91397e8c7fc.rlib" "/opt/rustwide/target/debug/deps/liblog-59356749c4f50c74.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-4b18511af80d0843.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::next_sibling':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::remove_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/logobble_dataflow_page-6340fc331477bef6.logobble_dataflow_page.a1lqo8ez-cgu.1.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:34: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-3b87d864ea47cba5.rlib(stdweb-3b87d864ea47cba5.stdweb.6k4jcrqd-cgu.6.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop'
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stderr]           /opt/rustwide/target/debug/deps/libstdweb-3b87d864ea47cba5.rlib(stdweb-3b87d864ea47cba5.stdweb.6k4jcrqd-cgu.8.rcgu.o): In function `<stdweb::webcore::object::Object as core::convert::From<&alloc::collections::btree::map::BTreeMap<K,V>>>::from':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/object.rs:68: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error
[INFO] [stderr] 
[INFO] [stderr] error: Could not compile `logobble-dataflow-page`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d2d568ca999e62a30e7b10148a4919cd452d3153762d7e47e818253ef879549e"`
[INFO] running `"docker" "rm" "-f" "d2d568ca999e62a30e7b10148a4919cd452d3153762d7e47e818253ef879549e"`
[INFO] [stdout] d2d568ca999e62a30e7b10148a4919cd452d3153762d7e47e818253ef879549e