[INFO] updating cached repository aidanhs/slow-ref-stdweb-example
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/aidanhs/slow-ref-stdweb-example
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/aidanhs/slow-ref-stdweb-example" "work/ex/beta-1.37-6/sources/1.36.0/gh/aidanhs/slow-ref-stdweb-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/aidanhs/slow-ref-stdweb-example'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/aidanhs/slow-ref-stdweb-example" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aidanhs/slow-ref-stdweb-example"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aidanhs/slow-ref-stdweb-example'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 3fe6f72f6dd92ca0027a4334e1f00124fee9a74f
[INFO] sha for GitHub repo aidanhs/slow-ref-stdweb-example: 3fe6f72f6dd92ca0027a4334e1f00124fee9a74f
[INFO] validating manifest of aidanhs/slow-ref-stdweb-example on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of aidanhs/slow-ref-stdweb-example on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing aidanhs/slow-ref-stdweb-example
[INFO] finished frobbing aidanhs/slow-ref-stdweb-example
[INFO] frobbed toml for aidanhs/slow-ref-stdweb-example written to work/ex/beta-1.37-6/sources/1.36.0/gh/aidanhs/slow-ref-stdweb-example/Cargo.toml
[INFO] started frobbing aidanhs/slow-ref-stdweb-example
[INFO] finished frobbing aidanhs/slow-ref-stdweb-example
[INFO] frobbed toml for aidanhs/slow-ref-stdweb-example written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aidanhs/slow-ref-stdweb-example/Cargo.toml
[INFO] crate aidanhs/slow-ref-stdweb-example already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing aidanhs/slow-ref-stdweb-example against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-2/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/aidanhs/slow-ref-stdweb-example:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] 465b768b1d2a1d2da0844006b5d2a8f42613925bdcbb1d805da37e840cf7f937
[INFO] running `"docker" "start" "-a" "465b768b1d2a1d2da0844006b5d2a8f42613925bdcbb1d805da37e840cf7f937"`
[INFO] [stderr]    Compiling stdweb v0.4.6
[INFO] [stderr]    Compiling discard v1.0.3
[INFO] [stderr]    Compiling backtrace-sys v0.1.16
[INFO] [stderr]    Compiling log v0.4.1
[INFO] [stderr]    Compiling syn v0.12.15
[INFO] [stderr]    Compiling http v0.1.5
[INFO] [stderr]    Compiling backtrace v0.3.7
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling failure v0.1.1
[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/crater/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/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d" "/opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.3pda3uhlw6g7si7x.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-2c9da861f0f0790b/out/.libs" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libyew-7d846421f4ef7ba5.rlib" "/opt/crater/target/debug/deps/libhttp-61f73982cc6ad110.rlib" "/opt/crater/target/debug/deps/libfnv-9c46c9dc8e117f05.rlib" "/opt/crater/target/debug/deps/libbytes-0958b4b45fb6ba18.rlib" "/opt/crater/target/debug/deps/libiovec-7493b9d274630254.rlib" "/opt/crater/target/debug/deps/libbyteorder-dc864a96505efa5c.rlib" "/opt/crater/target/debug/deps/libfailure-4c937ae0ffb95a96.rlib" "/opt/crater/target/debug/deps/libbacktrace-d03d2844072360f9.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-d08b827f8cc4a650.rlib" "/opt/crater/target/debug/deps/librustc_demangle-8a1b2caa5e80a574.rlib" "/opt/crater/target/debug/deps/liblibc-a0b49b1c980f0803.rlib" "/opt/crater/target/debug/deps/libweb_logger-90f2f89ab43f57a0.rlib" "/opt/crater/target/debug/deps/libstdweb-f09c96285c5e91d6.rlib" "/opt/crater/target/debug/deps/libdiscard-f5770bd34db29696.rlib" "/opt/crater/target/debug/deps/libserde_json-464287498efc2f4f.rlib" "/opt/crater/target/debug/deps/libitoa-9bd9357d404f8405.rlib" "/opt/crater/target/debug/deps/libdtoa-c3bbd8f968a8bf63.rlib" "/opt/crater/target/debug/deps/libserde-be21ba22d35d7695.rlib" "/opt/crater/target/debug/deps/liblog-9c676b014a425537.rlib" "/opt/crater/target/debug/deps/libcfg_if-e77f5c4458926ef5.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-a80a1e8e09cafef8.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e0e6351da805c468.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e04f54bafc95e331.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-67901d3322495bd5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-bd390b1abaceaec1.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-312dd37fdc7bedfc.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8ed0e51d58d644a3.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-8a423c320a6c707f.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d6a95598e2238263.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d231614b153016eb.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-3821619027f463e4.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-1cfd794d18771a44.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-dcf33cf10c2452ef.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-07-23-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-c258fea34bf64bce.rlib" "-Wl,-Bdynamic" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/crater/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/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/crater/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/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/crater/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/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::next_sibling':
[INFO] [stderr]           /opt/crater/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/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o: In function `stdweb::webapi::node::INode::remove_child':
[INFO] [stderr]           /opt/crater/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/crater/target/debug/deps/logobble_dataflow_page-9ef5a64af464a13d.logobble_dataflow_page.8l38m1vy-cgu.1.rcgu.o:/opt/crater/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/crater/target/debug/deps/libstdweb-f09c96285c5e91d6.rlib(stdweb-f09c96285c5e91d6.stdweb.1tp6r546-cgu.7.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/crater/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/crater/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/crater/target/debug/deps/libstdweb-f09c96285c5e91d6.rlib(stdweb-f09c96285c5e91d6.stdweb.1tp6r546-cgu.9.rcgu.o): In function `<stdweb::webcore::object::Object as core::convert::From<&alloc::collections::btree::map::BTreeMap<K,V>>>::from':
[INFO] [stderr]           /opt/crater/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]           /opt/crater/target/debug/deps/libstdweb-f09c96285c5e91d6.rlib(stdweb-f09c96285c5e91d6.stdweb.1tp6r546-cgu.9.rcgu.o): In function `<stdweb::webcore::symbol::Symbol as core::clone::Clone>::clone':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/symbol.rs:10: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-f09c96285c5e91d6.rlib(stdweb-f09c96285c5e91d6.stdweb.1tp6r546-cgu.9.rcgu.o): In function `<stdweb::webcore::symbol::Symbol as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webcore/symbol.rs:30: 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" "465b768b1d2a1d2da0844006b5d2a8f42613925bdcbb1d805da37e840cf7f937"`
[INFO] running `"docker" "rm" "-f" "465b768b1d2a1d2da0844006b5d2a8f42613925bdcbb1d805da37e840cf7f937"`
[INFO] [stdout] 465b768b1d2a1d2da0844006b5d2a8f42613925bdcbb1d805da37e840cf7f937