[INFO] updating cached repository swamp-dog/swamp-dog-wasm
[INFO] running `"git" "fetch" "--all"`
[INFO] [stdout] Fetching origin
[INFO] [stderr] From git://github.com/swamp-dog/swamp-dog-wasm
[INFO] [stderr]  * branch            HEAD       -> FETCH_HEAD
[INFO] running `"git" "clone" "work/cache/sources/gh/swamp-dog/swamp-dog-wasm" "work/ex/beta-1.38-1/sources/1.37.0/gh/swamp-dog/swamp-dog-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/swamp-dog/swamp-dog-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/swamp-dog/swamp-dog-wasm" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/swamp-dog/swamp-dog-wasm"`
[INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/swamp-dog/swamp-dog-wasm'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] da3e3b802566f286bae4da9321f79856be0e3510
[INFO] sha for GitHub repo swamp-dog/swamp-dog-wasm: da3e3b802566f286bae4da9321f79856be0e3510
[INFO] validating manifest of swamp-dog/swamp-dog-wasm on toolchain 1.37.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of swamp-dog/swamp-dog-wasm on toolchain beta-2019-08-13
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing swamp-dog/swamp-dog-wasm
[INFO] finished frobbing swamp-dog/swamp-dog-wasm
[INFO] frobbed toml for swamp-dog/swamp-dog-wasm written to work/ex/beta-1.38-1/sources/1.37.0/gh/swamp-dog/swamp-dog-wasm/Cargo.toml
[INFO] started frobbing swamp-dog/swamp-dog-wasm
[INFO] finished frobbing swamp-dog/swamp-dog-wasm
[INFO] frobbed toml for swamp-dog/swamp-dog-wasm written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/swamp-dog/swamp-dog-wasm/Cargo.toml
[INFO] crate swamp-dog/swamp-dog-wasm already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing swamp-dog/swamp-dog-wasm against 1.37.0 for beta-1.38-1
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-4/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/gh/swamp-dog/swamp-dog-wasm:/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" "+1.37.0" "build" "--frozen"`
[INFO] [stdout] d67061c485c57dc4fc3a46eae27579d9f4733faa90b17a2b56fc1980d0f4f3fc
[INFO] running `"docker" "start" "-a" "d67061c485c57dc4fc3a46eae27579d9f4733faa90b17a2b56fc1980d0f4f3fc"`
[INFO] [stderr]    Compiling stdweb-derive v0.4.0
[INFO] [stderr]    Compiling stdweb v0.4.8
[INFO] [stderr]    Compiling swamp-dog-wasm 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/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65" "/opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.1kqvq6hpkjnuvzi4.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libstdweb-8a54dcea9137db87.rlib" "/opt/crater/target/debug/deps/libdiscard-29e2de2e4191c85d.rlib" "/opt/crater/target/debug/deps/libserde_json-22702fddb8d44a43.rlib" "/opt/crater/target/debug/deps/libitoa-479e1d83c0671c8f.rlib" "/opt/crater/target/debug/deps/libryu-bc218f883edce172.rlib" "/opt/crater/target/debug/deps/libserde-c464bd2723fe9813.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-4a76ff35a356aedf.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e11c7b3b3225afe2.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-13217ede3d276f16.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-621a9ee22da6caa1.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-546c844e8071bbeb.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-be9569e4d599746f.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-47d8845cef2a3bc5.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-017511bce73a530c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-be7979c57a08057b.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d6459c4f0817c67c.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-580035dd98451925.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-aee5c24fff305dea.rlib" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8a55a4098920125a.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/1.37.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-9fc4b5be2ba5cc19.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.6.rcgu.o: In function `swamp_dog_wasm::main':
[INFO] [stderr]           /opt/crater/workdir/src/main.rs:8: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/swamp_dog_wasm-724c817df3918c65.swamp_dog_wasm.2bby6ih4-cgu.9.rcgu.o: In function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-8a54dcea9137db87.rlib(stdweb-8a54dcea9137db87.stdweb.1oam2nr8-cgu.1.rcgu.o): In function `stdweb::webcore::initialization::initialize':
[INFO] [stderr]           /opt/crater/target/debug/build/stdweb-eac4fc75cd41c69c/out/runtime.rs:1: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-8a54dcea9137db87.rlib(stdweb-8a54dcea9137db87.stdweb.1oam2nr8-cgu.1.rcgu.o): In function `stdweb::webcore::initialization::initialize::{{closure}}':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/initialization.rs:24: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/initialization.rs:26: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-8a54dcea9137db87.rlib(stdweb-8a54dcea9137db87.stdweb.1oam2nr8-cgu.1.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/initialization.rs:32: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-8a54dcea9137db87.rlib(stdweb-8a54dcea9137db87.stdweb.1oam2nr8-cgu.5.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/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-0.4.8/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stderr]           /opt/crater/target/debug/deps/libstdweb-8a54dcea9137db87.rlib(stdweb-8a54dcea9137db87.stdweb.1oam2nr8-cgu.6.rcgu.o): In function `<stdweb::webcore::value::Reference as core::ops::drop::Drop>::drop':
[INFO] [stderr]           /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.8/src/webcore/value.rs:89: 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 `swamp-dog-wasm`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "d67061c485c57dc4fc3a46eae27579d9f4733faa90b17a2b56fc1980d0f4f3fc"`
[INFO] running `"docker" "rm" "-f" "d67061c485c57dc4fc3a46eae27579d9f4733faa90b17a2b56fc1980d0f4f3fc"`
[INFO] [stdout] d67061c485c57dc4fc3a46eae27579d9f4733faa90b17a2b56fc1980d0f4f3fc