Dec 05 06:58:45.933 INFO testing snoyberg/lightsout-rs against master#906deae0790bd18681b937fe9a141a3c26cf1855 for pr-56514
Dec 05 06:58:45.933 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-1/master#906deae0790bd18681b937fe9a141a3c26cf1855:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-1/pr-56514/master#906deae0790bd18681b937fe9a141a3c26cf1855:/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 +906deae0790bd18681b937fe9a141a3c26cf1855-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 06:58:46.504 INFO [stdout] 247969de94ab96121d0a7de0160453f7cf788e0eed2387aa30c6e46d7c05a3ec
Dec 05 06:58:46.514 INFO running `"docker" "start" "-a" "247969de94ab96121d0a7de0160453f7cf788e0eed2387aa30c6e46d7c05a3ec"`
Dec 05 06:58:47.632 INFO [stderr] usermod: no changes
Dec 05 06:58:47.796 INFO [stderr]    Compiling stdweb-internal-runtime v0.1.2
Dec 05 06:58:47.796 INFO [stderr]    Compiling libc v0.2.44
Dec 05 06:58:47.800 INFO [stderr]    Compiling base-x v0.2.3
Dec 05 06:58:47.800 INFO [stderr]    Compiling discard v1.0.4
Dec 05 06:58:47.800 INFO [stderr]    Compiling stdweb-internal-macros v0.2.2
Dec 05 06:58:47.800 INFO [stderr]    Compiling stdweb v0.4.10
Dec 05 06:58:47.808 INFO [stderr]    Compiling stdweb-derive v0.5.1
Dec 05 06:58:51.152 INFO [stderr]    Compiling rand v0.6.1
Dec 05 06:59:18.531 INFO [stderr]    Compiling lightsout v0.1.0 (/source)
Dec 05 06:59:19.248 INFO [stderr] warning: method is never used: `new_random`
Dec 05 06:59:19.249 INFO [stderr]    --> src/main.rs:166:5
Dec 05 06:59:19.249 INFO [stderr]     |
Dec 05 06:59:19.249 INFO [stderr] 166 |     fn new_random<R: rand::Rng>(difficulty: usize, rng: &mut R) -> Game {
Dec 05 06:59:19.249 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:59:19.249 INFO [stderr]     |
Dec 05 06:59:19.249 INFO [stderr]     = note: #[warn(dead_code)] on by default
Dec 05 06:59:19.249 INFO [stderr] 
Dec 05 06:59:19.249 INFO [stderr] warning: method is never used: `all_off`
Dec 05 06:59:19.249 INFO [stderr]    --> src/main.rs:220:5
Dec 05 06:59:19.249 INFO [stderr]     |
Dec 05 06:59:19.249 INFO [stderr] 220 |     fn all_off(&self) -> bool {
Dec 05 06:59:19.249 INFO [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:59:19.249 INFO [stderr] 
Dec 05 06:59:19.249 INFO [stderr] warning: function is never used: `read_usize`
Dec 05 06:59:19.249 INFO [stderr]    --> src/main.rs:258:1
Dec 05 06:59:19.249 INFO [stderr]     |
Dec 05 06:59:19.249 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 06:59:19.249 INFO [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
Dec 05 06:59:19.249 INFO [stderr] 
Dec 05 06:59:20.489 INFO [stderr] error: linking with `cc` failed: exit code: 1
Dec 05 06:59:20.489 INFO [stderr]   |
Dec 05 06:59:20.490 INFO [stderr]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-L" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.0.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.1.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.10.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.11.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.12.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.13.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.14.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.15.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.2.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.3.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.4.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.5.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.6.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.7.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.8.rcgu.o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.9.rcgu.o" "-o" "/target/debug/deps/lightsout-ecf03a71e49ba2ba" "/target/debug/deps/lightsout-ecf03a71e49ba2ba.2dp8uy44cnoxn7vk.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/target/debug/deps" "-L" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/target/debug/deps/libstdweb-92aa551882de17c4.rlib" "/target/debug/deps/libdiscard-41bafac6fab1ab5b.rlib" "/target/debug/deps/libstdweb_internal_runtime-910ec898727582ba.rlib" "/target/debug/deps/libserde_json-fe18192a882be1d7.rlib" "/target/debug/deps/libryu-9d97706ea6e9c2bd.rlib" "/target/debug/deps/libitoa-4a4ee8c8055fbf50.rlib" "/target/debug/deps/libserde-2584fa36bd0d2cde.rlib" "/target/debug/deps/librand-5df8f69034c307aa.rlib" "/target/debug/deps/liblibc-1dafa892a4d79ecf.rlib" "/target/debug/deps/librand_xorshift-9309b4c32726cc92.rlib" "/target/debug/deps/librand_pcg-7e10d85b0473a079.rlib" "/target/debug/deps/librand_hc-84446e8c98b23c46.rlib" "/target/debug/deps/librand_chacha-c0f81c5d233cb1c5.rlib" "/target/debug/deps/librand_isaac-04221baba2cc81ea.rlib" "/target/debug/deps/librand_core-296558516ce87fe7.rlib" "-Wl,--start-group" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-e972c2420364a4db.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-55db828da3f253f9.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-70134419af0c02d4.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-85dd988f6e224ab0.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-35e5ecdfebfa7d5c.rlib" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-10fd134b0cf006a8.rlib" "-Wl,--end-group" "/rustup-home/toolchains/906deae0790bd18681b937fe9a141a3c26cf1855-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-1306eac77b02d077.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
Dec 05 06:59:20.490 INFO [stderr]   = note: /target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.0.rcgu.o: In function `stdweb::webapi::event_target::IEventTarget::add_event_listener::h77499425b3e84f61':
Dec 05 06:59:20.491 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 06:59:20.491 INFO [stderr]           /target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::first_child::h0c338166c58a1e41':
Dec 05 06:59:20.491 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 06:59:20.492 INFO [stderr]           /target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::append_child::h0e2d46617bb79032':
Dec 05 06:59:20.492 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 06:59:20.492 INFO [stderr]           /target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::append_child::h5ece30e7ed97a0bc':
Dec 05 06:59:20.492 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 06:59:20.493 INFO [stderr]           /target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-cgu.0.rcgu.o: In function `stdweb::webapi::node::INode::remove_child::h220815c9929ea86f':
Dec 05 06:59:20.493 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 06:59:20.493 INFO [stderr]           /target/debug/deps/lightsout-ecf03a71e49ba2ba.lightsout.66f0tue9-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 06:59:20.494 INFO [stderr]           collect2: error: ld returned 1 exit status
Dec 05 06:59:20.494 INFO [stderr]           
Dec 05 06:59:20.494 INFO [stderr] 
Dec 05 06:59:20.495 INFO [stderr] error: aborting due to previous error
Dec 05 06:59:20.495 INFO [stderr] 
Dec 05 06:59:20.512 INFO [stderr] error: Could not compile `lightsout`.
Dec 05 06:59:20.512 INFO [stderr] 
Dec 05 06:59:20.512 INFO [stderr] To learn more, run the command again with --verbose.
Dec 05 06:59:20.515 INFO [stderr] su: No module specific data is present
Dec 05 06:59:22.044 INFO running `"docker" "inspect" "247969de94ab96121d0a7de0160453f7cf788e0eed2387aa30c6e46d7c05a3ec"`
Dec 05 06:59:22.426 INFO running `"docker" "rm" "-f" "247969de94ab96121d0a7de0160453f7cf788e0eed2387aa30c6e46d7c05a3ec"`
Dec 05 06:59:22.752 INFO [stdout] 247969de94ab96121d0a7de0160453f7cf788e0eed2387aa30c6e46d7c05a3ec