[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 1.36.0 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/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" "+1.36.0" "build" "--frozen"`
[INFO] [stdout] 62e9a0fb46d517f717829a74be89a6ad0056bb80d557067b8c3ea097c4a19aa0
[INFO] running `"docker" "start" "-a" "62e9a0fb46d517f717829a74be89a6ad0056bb80d557067b8c3ea097c4a19aa0"`
[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 log v0.4.1
[INFO] [stderr]    Compiling syn v0.12.15
[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 quote v0.6.2
[INFO] [stderr]    Compiling failure v0.1.1
[INFO] [stderr]    Compiling syn v0.14.0
[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/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/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8" "/opt/crater/target/debug/deps/logobble_dataflow_page-91d46a24bbad5cd8.28vg37quw97yuf13.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-a319999372d36614/out/.libs" "-L" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libyew-4a42b09bd8c92275.rlib" "/opt/crater/target/debug/deps/libhttp-3df75b771b70de94.rlib" "/opt/crater/target/debug/deps/libfnv-0d57e5fd8327cc13.rlib" "/opt/crater/target/debug/deps/libbytes-5834076f12191a1a.rlib" "/opt/crater/target/debug/deps/libiovec-3e3e50495bb77d54.rlib" "/opt/crater/target/debug/deps/libbyteorder-91484a073c47d330.rlib" "/opt/crater/target/debug/deps/libfailure-b47efe921774387c.rlib" "/opt/crater/target/debug/deps/libbacktrace-3cb8d1f62923478d.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-1d55b2d9e3fffe91.rlib" "/opt/crater/target/debug/deps/librustc_demangle-41e8dff878cb0ed6.rlib" "/opt/crater/target/debug/deps/liblibc-6e2a1114b1e6baf1.rlib" "/opt/crater/target/debug/deps/libweb_logger-9b7509d1892b18de.rlib" "/opt/crater/target/debug/deps/libstdweb-bd241a375a60d560.rlib" "/opt/crater/target/debug/deps/libdiscard-31d6e661e7167a28.rlib" "/opt/crater/target/debug/deps/libserde_json-beda12d023941308.rlib" "/opt/crater/target/debug/deps/libitoa-ee75d3a59d481a38.rlib" "/opt/crater/target/debug/deps/libdtoa-afccdcd5ba5ab8a4.rlib" "/opt/crater/target/debug/deps/libserde-a4d254bf34a4f4a7.rlib" "/opt/crater/target/debug/deps/liblog-9d41e45e5aa8b2d1.rlib" "/opt/crater/target/debug/deps/libcfg_if-966e280784642e7d.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9895e8982b0a79e7.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-57306b8ed3378a0e.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-54463ae5adae3649.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-d99667b199a9875a.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-51f4300e102199f5.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-b3ccf1f7737a6a91.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-157c37a3ceb78853.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-505bcee45aafb736.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c29abd529ba4452b.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-895383a3232f6572.rlib" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-5594cb4f559bc761.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.36.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-38e90baf978bc428.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-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-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-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-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-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-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-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-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-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-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-91d46a24bbad5cd8.logobble_dataflow_page.4jagcxep-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-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.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-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.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-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.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]           /opt/crater/target/debug/deps/libstdweb-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.rcgu.o): In function `stdweb::webapi::document::document':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/document.rs:34: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.rcgu.o): In function `stdweb::webapi::document::Document::create_element':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/document.rs:57: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.rcgu.o): In function `stdweb::webapi::document::Document::create_text_node':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/document.rs:67: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-bd241a375a60d560.rlib(stdweb-bd241a375a60d560.stdweb.a7rlcvnw-cgu.11.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.6/src/webapi/token_list.rs:27: 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
[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" "62e9a0fb46d517f717829a74be89a6ad0056bb80d557067b8c3ea097c4a19aa0"`
[INFO] running `"docker" "rm" "-f" "62e9a0fb46d517f717829a74be89a6ad0056bb80d557067b8c3ea097c4a19aa0"`
[INFO] [stdout] 62e9a0fb46d517f717829a74be89a6ad0056bb80d557067b8c3ea097c4a19aa0