[INFO] updating cached repository https://github.com/aidanhs/slow-ref-stdweb-example
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/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 beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Faidanhs%2Fslow-ref-stdweb-example" "/workspace/builds/worker-11/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-11/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/aidanhs/slow-ref-stdweb-example on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "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 /workspace/builds/worker-11/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 `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "MAP_USER_ID=0" "-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" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 04fa0dbc34becd12110bf3d34a60022376c476220d849d02a633cef2ea703b75
[INFO] running `"docker" "start" "-a" "04fa0dbc34becd12110bf3d34a60022376c476220d849d02a633cef2ea703b75"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling serde v1.0.59
[INFO] [stderr]    Compiling libc v0.2.41
[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 quote v0.6.2
[INFO] [stderr]    Compiling syn v0.14.0
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling bytes v0.4.7
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling http v0.1.5
[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 web_logger v0.1.0
[INFO] [stderr]    Compiling yew v0.4.0 (https://github.com/DenisKolodin/yew.git?rev=f392d7e#f392d7ef)
[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: if this is intentional, prefix it 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: if this is intentional, prefix it 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/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df" "/opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.4isap3qmaizfzei0.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-f3f90fa6fda7d7e0/out/.libs" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libyew-b8d1e1e5d657f8db.rlib" "/opt/rustwide/target/debug/deps/libhttp-7ad9521403dcc2ca.rlib" "/opt/rustwide/target/debug/deps/libfnv-18c63eb7d27d11b7.rlib" "/opt/rustwide/target/debug/deps/libbytes-d2c4fa246e87436b.rlib" "/opt/rustwide/target/debug/deps/libiovec-c70482a15509f9b4.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-1efeb4e8f7ab93fd.rlib" "/opt/rustwide/target/debug/deps/libfailure-094ba7454af1eeb0.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-c3433e5efc3dd125.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-c74d1c851ae72847.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-29f1ccf12c1f23eb.rlib" "/opt/rustwide/target/debug/deps/liblibc-47f52c4b8e3aa941.rlib" "/opt/rustwide/target/debug/deps/libweb_logger-df64fb3ea3325d28.rlib" "/opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib" "/opt/rustwide/target/debug/deps/libdiscard-36b202477d5351d6.rlib" "/opt/rustwide/target/debug/deps/libserde_json-3762fee47b1db38f.rlib" "/opt/rustwide/target/debug/deps/libitoa-6a5d128d0f7888c7.rlib" "/opt/rustwide/target/debug/deps/libdtoa-b13670c090f38eae.rlib" "/opt/rustwide/target/debug/deps/libserde-bd21f1ad91e668ca.rlib" "/opt/rustwide/target/debug/deps/liblog-ca896dee38d533e3.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-16923ced40097294.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/logobble_dataflow_page-0ffbea9a408441df.logobble_dataflow_page.bgnatc3b-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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.15.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]           /usr/bin/ld: /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]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.15.rcgu.o): in function `<stdweb::webapi::node::Node as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/node.rs:357: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.2.rcgu.o): in function `<stdweb::webapi::element::Element as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/element.rs:173: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.3.rcgu.o): in function `<stdweb::webapi::dom_exception::HierarchyRequestError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:564: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.3.rcgu.o): in function `<stdweb::webapi::dom_exception::NotFoundError as stdweb::webcore::instance_of::InstanceOf>::instance_of':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/macros.rs:564: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.4.rcgu.o): in function `stdweb::webcore::value::Reference::from_raw_unchecked':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/value.rs:33: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-93465446ce98926f.rlib(stdweb-93465446ce98926f.stdweb.6nj71z4e-cgu.4.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/value.rs:89: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 2 warnings emitted
[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" "04fa0dbc34becd12110bf3d34a60022376c476220d849d02a633cef2ea703b75"`
[INFO] running `"docker" "rm" "-f" "04fa0dbc34becd12110bf3d34a60022376c476220d849d02a633cef2ea703b75"`
[INFO] [stdout] 04fa0dbc34becd12110bf3d34a60022376c476220d849d02a633cef2ea703b75