[INFO] cloning repository https://github.com/snoyberg/lightsout-rs
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/snoyberg/lightsout-rs" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 76008bccf87b0685164b2da45eeaf82f440a9de8
[INFO] testing snoyberg/lightsout-rs against 1.47.0 for beta-1.48-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fsnoyberg%2Flightsout-rs" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/snoyberg/lightsout-rs on toolchain 1.47.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[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-12/source/Cargo.toml
[INFO] crate git repo https://github.com/snoyberg/lightsout-rs already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.47.0" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] c2a2e8517e4b501d722102af03e4a080f8ed026bad8d6765447ba785e5f60aca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "c2a2e8517e4b501d722102af03e4a080f8ed026bad8d6765447ba785e5f60aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c2a2e8517e4b501d722102af03e4a080f8ed026bad8d6765447ba785e5f60aca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c2a2e8517e4b501d722102af03e4a080f8ed026bad8d6765447ba785e5f60aca", kill_on_drop: false }`
[INFO] [stdout] c2a2e8517e4b501d722102af03e4a080f8ed026bad8d6765447ba785e5f60aca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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" "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" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+1.47.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4e3f28b2b9f98705950f7252ef964d2b2b7b06746a3bfc69b7df2faeb3ac2283
[INFO] running `Command { std: "docker" "start" "-a" "4e3f28b2b9f98705950f7252ef964d2b2b7b06746a3bfc69b7df2faeb3ac2283", kill_on_drop: false }`
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling base-x v0.2.3
[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] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/main.rs:14:24
[INFO] [stdout]    |
[INFO] [stdout] 14 |     listeners: Vec<Box<FnMut(&T)>>,
[INFO] [stdout]    |                        ^^^^^^^^^ help: use `dyn`: `dyn FnMut(&T)`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: use of deprecated function `std::mem::uninitialized`: use `mem::MaybeUninit` instead
[INFO] [stdout]    --> src/main.rs:156:58
[INFO] [stdout]     |
[INFO] [stdout] 156 |                 let mut lights: [Reactive<Light>; 25] =  std::mem::uninitialized();
[INFO] [stdout]     |                                                          ^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(deprecated)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `new_random`
[INFO] [stdout]    --> src/main.rs:166:8
[INFO] [stdout]     |
[INFO] [stdout] 166 |     fn new_random<R: rand::Rng>(difficulty: usize, rng: &mut R) -> Game {
[INFO] [stdout]     |        ^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: associated function is never used: `all_off`
[INFO] [stdout]    --> src/main.rs:220:8
[INFO] [stdout]     |
[INFO] [stdout] 220 |     fn all_off(&self) -> bool {
[INFO] [stdout]     |        ^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: function is never used: `read_usize`
[INFO] [stdout]    --> src/main.rs:258:4
[INFO] [stdout]     |
[INFO] [stdout] 258 | fn read_usize(buffer: &mut String, stdin: &std::io::Stdin, stdout: &std::io::Stdout, label: &str) -> Result<usize, std::io::Error> {
[INFO] [stdout]     |    ^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit code: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-Wl,--as-needed" "-Wl,-z,noexecstack" "-m64" "-Wl,--eh-frame-hdr" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe" "/opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.1ki2otdrc2iy8g4s.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-23404f7357343369.rlib" "/opt/rustwide/target/debug/deps/libdiscard-8c304c4ed57889f5.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-eef13734993fb56a.rlib" "/opt/rustwide/target/debug/deps/libserde_json-1cc09a4b07902d7b.rlib" "/opt/rustwide/target/debug/deps/libryu-0dec914187e597a2.rlib" "/opt/rustwide/target/debug/deps/libitoa-ce415245ba2520e6.rlib" "/opt/rustwide/target/debug/deps/libserde-d61660689605b17f.rlib" "/opt/rustwide/target/debug/deps/librand-3d56c94956605128.rlib" "/opt/rustwide/target/debug/deps/liblibc-ac88f790cef093e5.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-9afd6d7d7b422938.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-4e0204ab312c8f57.rlib" "/opt/rustwide/target/debug/deps/librand_hc-8f1d39963daf946b.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-af76a174b4d43fa5.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-f11c2aa11d550beb.rlib" "/opt/rustwide/target/debug/deps/librand_core-d71cae5282502013.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-f14aca24435a5414.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-48d342a8b48d1d01.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-14bc0820888c8eb3.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-9cbd9e217bff06bc.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-31826136df98934e.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-075976a117c8fd5d.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-2d5cbedfbf17a011.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-0474372ff08c5319.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d437c34460d2315a.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-fb61ed1b8cc4de79.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-bf76d1b643bfc9f0.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-a1b53aa7fddcf418.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-28585e57fac45c73.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-64801769bc15ab28.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-541997b56bb98660.rlib" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-cdea3c81adab3d12.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.47.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-cd9f15a39fb65cbc.rlib" "-Wl,-Bdynamic" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-ldl" "-lutil"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o: in function `stdweb::webapi::event_target::IEventTarget::add_event_listener':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/event_target.rs:54: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::first_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:122: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::append_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:45: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o: in function `stdweb::webapi::node::INode::remove_child':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:55: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/lightsout-59cb5dfc93eddefe.lightsout.a1wirq3l-cgu.1.rcgu.o:/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.10/src/webapi/node.rs:55: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error; 5 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `lightsout`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `Command { std: "docker" "inspect" "4e3f28b2b9f98705950f7252ef964d2b2b7b06746a3bfc69b7df2faeb3ac2283", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4e3f28b2b9f98705950f7252ef964d2b2b7b06746a3bfc69b7df2faeb3ac2283", kill_on_drop: false }`
[INFO] [stdout] 4e3f28b2b9f98705950f7252ef964d2b2b7b06746a3bfc69b7df2faeb3ac2283
