[INFO] updating cached repository mabruckner/mathland
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/mabruckner/mathland
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/mabruckner/mathland" "work/ex/beta-1.37-6/sources/1.36.0/gh/mabruckner/mathland"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/mabruckner/mathland'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/mabruckner/mathland" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mabruckner/mathland"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mabruckner/mathland'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] f0300787f6e0bf4b369640848341e08536843a9a
[INFO] sha for GitHub repo mabruckner/mathland: f0300787f6e0bf4b369640848341e08536843a9a
[INFO] validating manifest of mabruckner/mathland 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 mabruckner/mathland 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 mabruckner/mathland
[INFO] finished frobbing mabruckner/mathland
[INFO] frobbed toml for mabruckner/mathland written to work/ex/beta-1.37-6/sources/1.36.0/gh/mabruckner/mathland/Cargo.toml
[INFO] started frobbing mabruckner/mathland
[INFO] finished frobbing mabruckner/mathland
[INFO] frobbed toml for mabruckner/mathland written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/mabruckner/mathland/Cargo.toml
[INFO] crate mabruckner/mathland 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 mabruckner/mathland 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-6/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/mabruckner/mathland:/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] d4074699a47c1b2c0e792d4490f32258489679ec8e338f9368fc86a105711a94
[INFO] running `"docker" "start" "-a" "d4074699a47c1b2c0e792d4490f32258489679ec8e338f9368fc86a105711a94"`
[INFO] [stderr]    Compiling cc v1.0.34
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.3
[INFO] [stderr]    Compiling rand_os v0.1.3
[INFO] [stderr]    Compiling stdweb v0.4.15
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling syn v0.15.30
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling backtrace v0.3.15
[INFO] [stderr]    Compiling cgmath v0.17.0
[INFO] [stderr]    Compiling serde_derive v1.0.90
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.6
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling yew v0.7.0 (https://github.com/mabruckner/yew.git?branch=svg-hack#b69be1d5)
[INFO] [stderr]    Compiling mathland v0.1.0 (/opt/crater/workdir)
[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/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.mathland.5hpbzrte-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e" "/opt/crater/target/debug/deps/mathland-f2184c36e0c1545e.33k5hcwxwdgo5s80.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-5205f5f06312c025/out" "-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/libmathland-0f04576cf0f5c76f.rlib" "/opt/crater/target/debug/deps/libcgmath-e01e1737f6c40ffd.rlib" "/opt/crater/target/debug/deps/libapprox-2f9fa51a0b901b51.rlib" "/opt/crater/target/debug/deps/libnum_traits-cd98387e0f6e90f9.rlib" "/opt/crater/target/debug/deps/librand-0cf7ec19f02c693f.rlib" "/opt/crater/target/debug/deps/librand_xorshift-6a66fc50e6498d00.rlib" "/opt/crater/target/debug/deps/librand_pcg-60ef83adabd8d47a.rlib" "/opt/crater/target/debug/deps/librand_hc-83283ab0a0ee3df8.rlib" "/opt/crater/target/debug/deps/librand_chacha-b9f5abd1824a7f75.rlib" "/opt/crater/target/debug/deps/librand_isaac-94fc18115e9afd61.rlib" "/opt/crater/target/debug/deps/librand_core-482fdfb44fe03c92.rlib" "/opt/crater/target/debug/deps/librand_os-e18ecf93afd98ba9.rlib" "/opt/crater/target/debug/deps/librand_jitter-4e4a4328edc945b8.rlib" "/opt/crater/target/debug/deps/librand_core-a9179eebc82cf0f0.rlib" "/opt/crater/target/debug/deps/libyew-e28012eb865dfaf6.rlib" "/opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib" "/opt/crater/target/debug/deps/libdiscard-48a5453cc88bfde7.rlib" "/opt/crater/target/debug/deps/libstdweb_internal_runtime-363da211be4059ac.rlib" "/opt/crater/target/debug/deps/libslab-b904edcdb208ad5f.rlib" "/opt/crater/target/debug/deps/libanymap-5049d4c3aef2d64c.rlib" "/opt/crater/target/debug/deps/libbincode-9eb186084ceef255.rlib" "/opt/crater/target/debug/deps/libserde_json-d6b4f9f7c9bd8a83.rlib" "/opt/crater/target/debug/deps/libryu-0a79168f3ba04445.rlib" "/opt/crater/target/debug/deps/libserde-bed1f903b8c39290.rlib" "/opt/crater/target/debug/deps/libhttp-7ed8a6959ab36dd1.rlib" "/opt/crater/target/debug/deps/libitoa-5ac5fbad12f6c895.rlib" "/opt/crater/target/debug/deps/libfnv-0d57e5fd8327cc13.rlib" "/opt/crater/target/debug/deps/libbytes-f3a0f4a96f04566e.rlib" "/opt/crater/target/debug/deps/libiovec-ad0351adc56f6a91.rlib" "/opt/crater/target/debug/deps/libbyteorder-a25b209c708b793b.rlib" "/opt/crater/target/debug/deps/liblog-c2b0e2c65cc795aa.rlib" "/opt/crater/target/debug/deps/libfailure-0f23e00c1cb39560.rlib" "/opt/crater/target/debug/deps/libbacktrace-1e7a2fc26b04936a.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-6246aef1a3e336d1.rlib" "/opt/crater/target/debug/deps/librustc_demangle-545df78df8ee1b23.rlib" "/opt/crater/target/debug/deps/libcfg_if-def391c8994540a5.rlib" "/opt/crater/target/debug/deps/liblibc-c75d0a007accf210.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/libyew-e28012eb865dfaf6.rlib(yew-e28012eb865dfaf6.yew.5exxlceu-cgu.4.rcgu.o): In function `yew::services::interval::IntervalService::spawn::snippet::__cargo_web_snippet_e16925f5fb047225caca5aebacba0569cda4fd62':
[INFO] [stderr]           /opt/crater/cargo-home/git/checkouts/yew-d37ecb2b9a8c5778/b69be1d/<::stdweb::webcore::macros::_js_impl macros>:35: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libyew-e28012eb865dfaf6.rlib(yew-e28012eb865dfaf6.yew.5exxlceu-cgu.4.rcgu.o): In function `<yew::services::interval::IntervalTask as yew::services::Task>::cancel::snippet::__cargo_web_snippet_4a7df277900746999886798c4e9ff738877c3d95':
[INFO] [stderr]           /opt/crater/cargo-home/git/checkouts/yew-d37ecb2b9a8c5778/b69be1d/<::stdweb::webcore::macros::_js_impl macros>:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libyew-e28012eb865dfaf6.rlib(yew-e28012eb865dfaf6.yew.5exxlceu-cgu.8.rcgu.o): In function `yew::services::console::ConsoleService::log::snippet::__cargo_web_snippet_199d5eb25dfe761687bcd487578eb7e636bd9650':
[INFO] [stderr]           /opt/crater/cargo-home/git/checkouts/yew-d37ecb2b9a8c5778/b69be1d/<::stdweb::webcore::macros::_js_impl macros>:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libyew-e28012eb865dfaf6.rlib(yew-e28012eb865dfaf6.yew.5exxlceu-cgu.9.rcgu.o): In function `yew::virtual_dom::vtag::VTag<COMP>::apply_diffs::snippet::__cargo_web_snippet_0da47658267a7497de743e1b0892f992ba6ca6ef':
[INFO] [stderr]           /opt/crater/cargo-home/git/checkouts/yew-d37ecb2b9a8c5778/b69be1d/<::stdweb::webcore::macros::_js_impl macros>:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libyew-e28012eb865dfaf6.rlib(yew-e28012eb865dfaf6.yew.5exxlceu-cgu.9.rcgu.o): In function `yew::virtual_dom::vtag::VTag<COMP>::apply_diffs::snippet::__cargo_web_snippet_6a77b2f2accec26fefbfa0d864061d26f40f8f6f':
[INFO] [stderr]           /opt/crater/cargo-home/git/checkouts/yew-d37ecb2b9a8c5778/b69be1d/<::stdweb::webcore::macros::_js_impl macros>:30: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libyew-e28012eb865dfaf6.rlib(yew-e28012eb865dfaf6.yew.5exxlceu-cgu.9.rcgu.o):/opt/crater/cargo-home/git/checkouts/yew-d37ecb2b9a8c5778/b69be1d/<::stdweb::webcore::macros::_js_impl macros>:30: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/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-0.4.15/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o): In function `stdweb::webcore::initialization::initialize::snippet::__cargo_web_snippet_59c63ba786179baf0cde1136695be8a5ad97ddb3':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o): In function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_dc2fd915bd92f9e9c6a3bd15174f1414eee3dbaf':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o): In function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_97495987af1720d8a9a923fa4683a7b683e3acd6':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o): In function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_72fc447820458c720c68d0d8e078ede631edd723':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o): In function `<stdweb::webcore::symbol::Symbol as core::clone::Clone>::clone::snippet::__cargo_web_snippet_0aced9e2351ced72f1ff99645a129132b16c0d3c':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-47d1561fd0185a5b.rlib(stdweb-47d1561fd0185a5b.stdweb.9kmmppc6-cgu.2.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.15/src/webcore/macros.rs:91: 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 `mathland`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d4074699a47c1b2c0e792d4490f32258489679ec8e338f9368fc86a105711a94"`
[INFO] running `"docker" "rm" "-f" "d4074699a47c1b2c0e792d4490f32258489679ec8e338f9368fc86a105711a94"`
[INFO] [stdout] d4074699a47c1b2c0e792d4490f32258489679ec8e338f9368fc86a105711a94