[INFO] updating cached repository scott-ad-riley/rusty-lunch-of-wasm [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/scott-ad-riley/rusty-lunch-of-wasm [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/scott-ad-riley/rusty-lunch-of-wasm" "work/ex/beta-1.37-6/sources/1.36.0/gh/scott-ad-riley/rusty-lunch-of-wasm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/1.36.0/gh/scott-ad-riley/rusty-lunch-of-wasm'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/scott-ad-riley/rusty-lunch-of-wasm" "work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scott-ad-riley/rusty-lunch-of-wasm"` [INFO] [stderr] Cloning into 'work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scott-ad-riley/rusty-lunch-of-wasm'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 4ccfbf086afb5ea1bf8077d5fd136eebf0a8e2cd [INFO] sha for GitHub repo scott-ad-riley/rusty-lunch-of-wasm: 4ccfbf086afb5ea1bf8077d5fd136eebf0a8e2cd [INFO] validating manifest of scott-ad-riley/rusty-lunch-of-wasm 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 scott-ad-riley/rusty-lunch-of-wasm 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 scott-ad-riley/rusty-lunch-of-wasm [INFO] finished frobbing scott-ad-riley/rusty-lunch-of-wasm [INFO] frobbed toml for scott-ad-riley/rusty-lunch-of-wasm written to work/ex/beta-1.37-6/sources/1.36.0/gh/scott-ad-riley/rusty-lunch-of-wasm/Cargo.toml [INFO] started frobbing scott-ad-riley/rusty-lunch-of-wasm [INFO] finished frobbing scott-ad-riley/rusty-lunch-of-wasm [INFO] frobbed toml for scott-ad-riley/rusty-lunch-of-wasm written to work/ex/beta-1.37-6/sources/beta-2019-07-23/gh/scott-ad-riley/rusty-lunch-of-wasm/Cargo.toml [INFO] crate scott-ad-riley/rusty-lunch-of-wasm 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] [stderr] Blocking waiting for file lock on package cache [INFO] testing scott-ad-riley/rusty-lunch-of-wasm 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-1/1.36.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/1.36.0/gh/scott-ad-riley/rusty-lunch-of-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" "+1.36.0" "build" "--frozen"` [INFO] [stdout] 979152632bc081ce583a97febf20c6d953b6e38400ccd6091c40c73b45dc35c0 [INFO] running `"docker" "start" "-a" "979152632bc081ce583a97febf20c6d953b6e38400ccd6091c40c73b45dc35c0"` [INFO] [stderr] Compiling rand v0.4.1 [INFO] [stderr] Compiling stdweb v0.2.0 [INFO] [stderr] Compiling rusty-lunch-of-wasm v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: unused variable: `choice` [INFO] [stderr] --> src/main.rs:30:9 [INFO] [stderr] | [INFO] [stderr] 30 | let choice = rng.choose(&FOOD_PLACES).unwrap(); [INFO] [stderr] | ^^^^^^ help: consider prefixing with an underscore: `_choice` [INFO] [stderr] | [INFO] [stderr] = note: #[warn(unused_variables)] on by default [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/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783" "/opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.16lp0llenkbz84yw.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-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/librand-dee175d9526248af.rlib" "/opt/crater/target/debug/deps/liblibc-7c095695c2d60997.rlib" "/opt/crater/target/debug/deps/libstdweb-90afe9dfcb51c89c.rlib" "/opt/crater/target/debug/deps/libserde_json-44b80984e5c95f59.rlib" "/opt/crater/target/debug/deps/libdtoa-afccdcd5ba5ab8a4.rlib" "/opt/crater/target/debug/deps/libitoa-03ed006c279c1d9e.rlib" "/opt/crater/target/debug/deps/libnum_traits-3f18b91227087abf.rlib" "/opt/crater/target/debug/deps/libserde-a2afffe650368990.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/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.10.rcgu.o: In function `stdweb::webcore::value::Reference::from_raw_unchecked': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/macros.rs:48: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.10.rcgu.o: In function `::drop': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/macros.rs:48: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.3.rcgu.o: In function ` as stdweb::webcore::serialization::FuncallAdapter>::funcall_adapter': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/macros.rs:48: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/rusty_lunch_of_wasm-753eb742c0559783.rusty_lunch_of_wasm.955uiama-cgu.4.rcgu.o: In function `rusty_lunch_of_wasm::main': [INFO] [stderr] /opt/crater/workdir/src/main.rs:37: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-90afe9dfcb51c89c.rlib(stdweb-90afe9dfcb51c89c.stdweb.6fy44s3b-cgu.11.rcgu.o): In function `::drop': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/value.rs:59: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-90afe9dfcb51c89c.rlib(stdweb-90afe9dfcb51c89c.stdweb.6fy44s3b-cgu.5.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.2.0/src/webcore/initialization.rs:17: 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 `rusty-lunch-of-wasm`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "979152632bc081ce583a97febf20c6d953b6e38400ccd6091c40c73b45dc35c0"` [INFO] running `"docker" "rm" "-f" "979152632bc081ce583a97febf20c6d953b6e38400ccd6091c40c73b45dc35c0"` [INFO] [stdout] 979152632bc081ce583a97febf20c6d953b6e38400ccd6091c40c73b45dc35c0