Dec 05 06:58:41.433 INFO testing snoyberg/lightsout-rs against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 05 06:58:41.433 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-4/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-4/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 05 06:58:41.920 INFO [stdout] e379aa69d20b49f716461edc342bfec9b51ba15774273acb1239aead8cfaadf0
Dec 05 06:58:41.922 INFO running `"docker" "start" "-a" "e379aa69d20b49f716461edc342bfec9b51ba15774273acb1239aead8cfaadf0"`
Dec 05 06:58:43.130 INFO [stderr] usermod: no changes
Dec 05 06:58:43.277 INFO [stderr]    Compiling libc v0.2.44
Dec 05 06:58:43.277 INFO [stderr]    Compiling stdweb-internal-runtime v0.1.2
Dec 05 06:58:43.296 INFO [stderr]    Compiling base-x v0.2.3
Dec 05 06:58:43.296 INFO [stderr]    Compiling discard v1.0.4
Dec 05 06:58:43.314 INFO [stderr]    Compiling stdweb-internal-macros v0.2.2
Dec 05 06:58:43.314 INFO [stderr]    Compiling stdweb v0.4.10
Dec 05 06:58:43.314 INFO [stderr]    Compiling syn v0.15.22
Dec 05 06:58:46.500 INFO [stderr]    Compiling rand v0.6.1
Dec 05 06:58:56.060 INFO [stderr]    Compiling serde_derive v1.0.80
Dec 05 06:59:07.925 INFO [stderr]    Compiling stdweb-derive v0.5.1
Dec 05 06:59:36.528 INFO [stderr]    Compiling lightsout v0.1.0 (/source)
Dec 05 06:59:37.216 INFO [stderr] warning: method is never used: `new_random`
Dec 05 06:59:37.216 INFO [stderr]    --> src/main.rs:166:5
Dec 05 06:59:37.216 INFO [stderr]     |
Dec 05 06:59:37.216 INFO [stderr] 166 |     fn new_random<R: rand::Rng>(difficulty: usize, rng: &mut R) -> Game {
Dec 05 06:59:37.216 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:59:37.216 INFO [stderr]     |
Dec 05 06:59:37.216 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 06:59:37.216 INFO [stderr] 
Dec 05 06:59:37.216 INFO [stderr] warning: method is never used: `all_off`
Dec 05 06:59:37.216 INFO [stderr]    --> src/main.rs:220:5
Dec 05 06:59:37.216 INFO [stderr]     |
Dec 05 06:59:37.216 INFO [stderr] 220 |     fn all_off(&self) -> bool {
Dec 05 06:59:37.216 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:59:37.216 INFO [stderr] 
Dec 05 06:59:37.216 INFO [stderr] warning: function is never used: `read_usize`
Dec 05 06:59:37.216 INFO [stderr]    --> src/main.rs:258:1
Dec 05 06:59:37.216 INFO [stderr]     |
Dec 05 06:59:37.216 INFO [stderr] 258 | fn read_usize(buffer: &mut String, stdin: &std::io::Stdin, stdout: &std::io::Stdout, label: &str) -> Result<usize, std::io::Error> {
Dec 05 06:59:37.216 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:59:37.217 INFO [stderr] 
Dec 05 06:59:38.528 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 06:59:38.529 INFO [stderr]   |
Dec 05 06:59:38.529 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.1.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.10.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.11.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.12.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.13.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.14.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.15.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.2.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.3.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.4.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.5.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.6.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.7.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.8.rcgu.o" "/target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.9.rcgu.o" "-o" "/target/debug/deps/lightsout-651196b02a012f4d" "/target/debug/deps/lightsout-651196b02a012f4d.4t5tqwm0h2nlljfw.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libstdweb-ea4694021d840097.rlib" "/target/debug/deps/libdiscard-c918e8f3432250e0.rlib" "/target/debug/deps/libstdweb_internal_runtime-19a20aac1a55efaf.rlib" "/target/debug/deps/libserde_json-fe742ac26cc55186.rlib" "/target/debug/deps/libryu-99913d8910e9e05a.rlib" "/target/debug/deps/libitoa-5a025a37c9e6bb6a.rlib" "/target/debug/deps/libserde-14ba8b5f8892667f.rlib" "/target/debug/deps/librand-b0ab1827f88f3073.rlib" "/target/debug/deps/liblibc-5987563c1d7fac93.rlib" "/target/debug/deps/librand_xorshift-e59864d17cb29623.rlib" "/target/debug/deps/librand_pcg-2958208528a73ddd.rlib" "/target/debug/deps/librand_hc-bcd37350c93e4310.rlib" "/target/debug/deps/librand_chacha-97bb49973c0cbfb4.rlib" "/target/debug/deps/librand_isaac-51ee8e71c90521f3.rlib" "/target/debug/deps/librand_core-7bfb5635f4e4c3c4.rlib" "-Wl,--start-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1783ee7db416cd31.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-d52c5951c3cd2e1d.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-9a81b01b5e0e175b.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-f1a5585a81eb855e.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-0a7b7470c80cad43.rlib" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-d6e924fd18f7775d.rlib" "-Wl,--end-group" "/rustup-home/toolchains/6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-0ed18ce3338a020a.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 06:59:38.529 INFO [stderr]   = note: /target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o: In function `stdweb::webapi::event_target::IEventTarget::add_event_listener::h067038c1428d567a':
Dec 05 06:59:38.529 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
Dec 05 06:59:38.529 INFO [stderr]           /target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::first_child::h09ce00a551c61e11':
Dec 05 06:59:38.529 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
Dec 05 06:59:38.529 INFO [stderr]           /target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::append_child::h90ddcb2d5fd8ab5b':
Dec 05 06:59:38.529 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
Dec 05 06:59:38.529 INFO [stderr]           /target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::append_child::hcf8b79cd2624958f':
Dec 05 06:59:38.529 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
Dec 05 06:59:38.529 INFO [stderr]           /target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::remove_child::hc6396bbb1a7f62aa':
Dec 05 06:59:38.529 INFO [stderr]           /cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
Dec 05 06:59:38.529 INFO [stderr]           /target/debug/deps/lightsout-651196b02a012f4d.lightsout.vqq4wrwb-cgu.0.rcgu.o:/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: more undefined references to `emscripten_asm_const_int' follow
Dec 05 06:59:38.529 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 06:59:38.529 INFO [stderr]           
Dec 05 06:59:38.529 INFO [stderr] 
Dec 05 06:59:38.529 INFO [stderr] error: aborting due to previous error
Dec 05 06:59:38.529 INFO [stderr] 
Dec 05 06:59:38.529 INFO [stderr] error: Could not compile `lightsout`.
Dec 05 06:59:38.529 INFO [stderr] 
Dec 05 06:59:38.529 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 06:59:38.530 INFO [stderr] su: No module specific data is present
Dec 05 06:59:39.296 INFO running `"docker" "inspect" "e379aa69d20b49f716461edc342bfec9b51ba15774273acb1239aead8cfaadf0"`
Dec 05 06:59:39.606 INFO running `"docker" "rm" "-f" "e379aa69d20b49f716461edc342bfec9b51ba15774273acb1239aead8cfaadf0"`
Dec 05 06:59:39.851 INFO [stdout] e379aa69d20b49f716461edc342bfec9b51ba15774273acb1239aead8cfaadf0