[INFO] updating cached repository https://github.com/snoyberg/lightsout-rs
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 76008bccf87b0685164b2da45eeaf82f440a9de8
[INFO] testing snoyberg/lightsout-rs against beta-2020-06-03 for beta-1.45-1
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs" "/workspace/builds/worker-3/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snoyberg/lightsout-rs on toolchain beta-2020-06-03
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/snoyberg/lightsout-rs
[INFO] finished tweaking git repo https://github.com/snoyberg/lightsout-rs
[INFO] tweaked toml for git repo https://github.com/snoyberg/lightsout-rs written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/snoyberg/lightsout-rs already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+beta-2020-06-03" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2020-06-03" "build" "--frozen"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 878ad71d5784dcad699706435df543e7f3a4e0f9683fc7db387222e95a6285a4
[INFO] running `"docker" "start" "-a" "878ad71d5784dcad699706435df543e7f3a4e0f9683fc7db387222e95a6285a4"`
[INFO] [stderr] sudo: setrlimit(RLIMIT_CORE): Operation not permitted
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.2
[INFO] [stderr]    Compiling stdweb v0.4.10
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling rand v0.6.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling lightsout v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stderr]   --> src/main.rs:14:24
[INFO] [stderr]    |
[INFO] [stderr] 14 |     listeners: Vec<Box<FnMut(&T)>>,
[INFO] [stderr]    |                        ^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T)`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: use of deprecated item 'std::mem::uninitialized': use `mem::MaybeUninit` instead
[INFO] [stderr]    --> src/main.rs:156:58
[INFO] [stderr]     |
[INFO] [stderr] 156 |                 let mut lights: [Reactive<Light>; 25] =  std::mem::uninitialized();
[INFO] [stderr]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(deprecated)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `new_random`
[INFO] [stderr]    --> src/main.rs:166:8
[INFO] [stderr]     |
[INFO] [stderr] 166 |     fn new_random<R: rand::Rng>(difficulty: usize, rng: &mut R) -> Game {
[INFO] [stderr]     |        ^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: associated function is never used: `all_off`
[INFO] [stderr]    --> src/main.rs:220:8
[INFO] [stderr]     |
[INFO] [stderr] 220 |     fn all_off(&self) -> bool {
[INFO] [stderr]     |        ^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: function is never used: `read_usize`
[INFO] [stderr]    --> src/main.rs:258:4
[INFO] [stderr]     |
[INFO] [stderr] 258 | fn read_usize(buffer: &mut String, stdin: &std::io::Stdin, stdout: &std::io::Stdout, label: &str) -> Result<usize, std::io::Error> {
[INFO] [stderr]     |    ^^^^^^^^^^
[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/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599" "/opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.1eyb94bqbyc16b3s.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-4d2530f5621271f7.rlib" "/opt/rustwide/target/debug/deps/libdiscard-655a8a041e78b6aa.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-d860572ace1c6ad5.rlib" "/opt/rustwide/target/debug/deps/libserde_json-5a6357df39fda5a3.rlib" "/opt/rustwide/target/debug/deps/libryu-8e67a7e56e9798f9.rlib" "/opt/rustwide/target/debug/deps/libitoa-26e40ea11a3f8443.rlib" "/opt/rustwide/target/debug/deps/libserde-aeebb664292c4c8f.rlib" "/opt/rustwide/target/debug/deps/librand-d0294ee6b5b17fdf.rlib" "/opt/rustwide/target/debug/deps/liblibc-7d79556baa956733.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-25d3ce845d804e6e.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-2bda3dd921ad6c0b.rlib" "/opt/rustwide/target/debug/deps/librand_hc-7b6813b6b055ab50.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-2fd46676bcf07be3.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-e56954d80bcac10d.rlib" "/opt/rustwide/target/debug/deps/librand_core-e6affed9e2153188.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-44f8eb3d0b2fad61.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-abc626f09920d361.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-546e83c8973f1a65.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-12768dfc68674934.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-e06867e4497f2ee8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-cbc579f43f6df57b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-7abd6d5a7ebf9a23.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-46423c7bc03bd327.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-fc3773ed7bc68f07.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-9cdc98176efd27e2.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-02d88502a763e06b.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-8cdc9d38dd6cd3ce.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-336f7d63e72901ef.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2020-06-03-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-57917b1be5233117.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stderr]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o: in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::first_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::remove_child':
[INFO] [stderr]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webcore/macros.rs:37: undefined reference to `emscripten_asm_const_int'
[INFO] [stderr]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-17bdbe68b7052599.lightsout.dwp0zgdj-cgu.1.rcgu.o:/opt/rustwide/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
[INFO] [stderr]           collect2: error: ld returned 1 exit status
[INFO] [stderr]           
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to previous error; 5 warnings emitted
[INFO] [stderr] 
[INFO] [stderr] error: could not compile `lightsout`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "878ad71d5784dcad699706435df543e7f3a4e0f9683fc7db387222e95a6285a4"`
[INFO] running `"docker" "rm" "-f" "878ad71d5784dcad699706435df543e7f3a4e0f9683fc7db387222e95a6285a4"`
[INFO] [stdout] 878ad71d5784dcad699706435df543e7f3a4e0f9683fc7db387222e95a6285a4