[INFO] cloning repository https://github.com/jleahred/connect4
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/jleahred/connect4" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjleahred%2Fconnect4", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjleahred%2Fconnect4'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 3516a4ce664330778521d8698f4545d40e79fb9d
[INFO] testing jleahred/connect4 against beta-2021-09-08 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fjleahred%2Fconnect4" "/workspace/builds/worker-79/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-79/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/jleahred/connect4 on toolchain beta-2021-09-08
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/jleahred/connect4
[INFO] finished tweaking git repo https://github.com/jleahred/connect4
[INFO] tweaked toml for git repo https://github.com/jleahred/connect4 written to /workspace/builds/worker-79/source/Cargo.toml
[INFO] crate git repo https://github.com/jleahred/connect4 already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2021-09-08" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating git repository `https://github.com/jleahred/idata.git`
[INFO] [stderr]     Updating git repository `https://github.com/DenisKolodin/yew`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded base-x v0.2.3
[INFO] [stderr]   Downloaded stdweb-internal-runtime v0.1.2
[INFO] [stderr]   Downloaded stdweb-internal-macros v0.2.4
[INFO] [stderr]   Downloaded stdweb v0.4.12
[INFO] [stderr]   Downloaded http v0.1.14
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] bebbdeac472ddfdff12f2a3983766be76892b594189ec5bb62636ea5b73c60f7
[INFO] running `Command { std: "docker" "start" "-a" "bebbdeac472ddfdff12f2a3983766be76892b594189ec5bb62636ea5b73c60f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "bebbdeac472ddfdff12f2a3983766be76892b594189ec5bb62636ea5b73c60f7", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "bebbdeac472ddfdff12f2a3983766be76892b594189ec5bb62636ea5b73c60f7", kill_on_drop: false }`
[INFO] [stdout] bebbdeac472ddfdff12f2a3983766be76892b594189ec5bb62636ea5b73c60f7
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-79/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" "ghcr.io/rust-lang/crates-build-env/linux@sha256:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2021-09-08" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b5705b8207527c2203dab9fbd181212d3096c318193c28bd1fc700d83aec98d0
[INFO] running `Command { std: "docker" "start" "-a" "b5705b8207527c2203dab9fbd181212d3096c318193c28bd1fc700d83aec98d0", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.24
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling libc v0.2.44
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling ryu v0.2.7
[INFO] [stderr]    Compiling cc v1.0.25
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling itoa v0.4.3
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.2
[INFO] [stderr]    Compiling failure_derive v0.1.3
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.3
[INFO] [stderr]    Compiling rustc-demangle v0.1.9
[INFO] [stderr]    Compiling fnv v1.0.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling anymap v0.12.1
[INFO] [stderr]    Compiling slab v0.4.1
[INFO] [stderr]    Compiling idata v0.1.1 (https://github.com/jleahred/idata.git#08eab4e3)
[INFO] [stderr]    Compiling log v0.4.6
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling stdweb v0.4.12
[INFO] [stderr]    Compiling backtrace-sys v0.1.24
[INFO] [stderr]    Compiling quote v0.6.10
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling syn v0.15.22
[INFO] [stderr]    Compiling bytes v0.4.11
[INFO] [stderr]    Compiling http v0.1.14
[INFO] [stderr]    Compiling backtrace v0.3.9
[INFO] [stderr]    Compiling serde_json v1.0.33
[INFO] [stderr]    Compiling bincode v1.0.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling failure v0.1.3
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.4
[INFO] [stderr]    Compiling stdweb-derive v0.5.1
[INFO] [stderr]    Compiling yew v0.5.0 (https://github.com/DenisKolodin/yew#5a040a19)
[INFO] [stderr]    Compiling connect4 v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unnecessary parentheses around block return value
[INFO] [stdout]    --> src/engine/patterns.rs:111:9
[INFO] [stdout]     |
[INFO] [stdout] 111 |         (other - curr)
[INFO] [stdout]     |         ^^^^^^^^^^^^^^ help: remove these parentheses
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_parens)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: trait objects without an explicit `dyn` are deprecated
[INFO] [stdout]   --> src/html/game.rs:14:21
[INFO] [stdout]    |
[INFO] [stdout] 14 |     job: Option<Box<Task>>,
[INFO] [stdout]    |                     ^^^^ help: use `dyn`: `dyn Task`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(bare_trait_objects)]` on by default
[INFO] [stdout]    = warning: this is accepted in the current edition (Rust 2018) but is a hard error in Rust 2021!
[INFO] [stdout]    = note: for more information, see <https://doc.rust-lang.org/nightly/edition-guide/rust-2021/warnings-promoted-to-error.html>
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]  --> src/html/config.rs:9:34
[INFO] [stdout]   |
[INFO] [stdout] 9 |     pub onstart: Option<Callback<(Config)>>,
[INFO] [stdout]   |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary parentheses around type
[INFO] [stdout]   --> src/html/config.rs:25:34
[INFO] [stdout]    |
[INFO] [stdout] 25 |     pub onstart: Option<Callback<(Config)>>,
[INFO] [stdout]    |                                  ^^^^^^^^ help: remove these parentheses
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/html/config.rs:113:54
[INFO] [stdout]     |
[INFO] [stdout] 113 |                     <option value="I play", selected={machine_plays()}, onclick=|_| Msg::PlayersComputerPlays,>{"play with me"}</option>
[INFO] [stdout]     |                                                      ^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout]     |
[INFO] [stdout]     = note: `#[warn(unused_braces)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/html/config.rs:114:59
[INFO] [stdout]     |
[INFO] [stdout] 114 | ...   <option value="two players", selected={self.config.players == ConfigPlayers::TwoPlayers}, onclick=|_| Msg::PlayersTwoHumans,>{"two ...
[INFO] [stdout]     |                                             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/html/config.rs:134:68
[INFO] [stdout]     |
[INFO] [stdout] 134 | ...   <option value="Mosquito's brain", selected={level == Level::Mosquito}, onclick=|_| Msg::L(Level::Mosquito),>{"Mosquito's brain"}</o...
[INFO] [stdout]     |                                                  ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/html/config.rs:135:61
[INFO] [stdout]     |
[INFO] [stdout] 135 | ...   <option value="Weak mind", selected={level == Level::WeakMind}, onclick=|_| Msg::L(Level::WeakMind),>{"Weak mind"}</option>
[INFO] [stdout]     |                                           ^^^^^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unnecessary braces around `if` condition
[INFO] [stdout]    --> src/html/config.rs:136:61
[INFO] [stdout]     |
[INFO] [stdout] 136 |                         <option value="just easy", selected={level == Level::Easy}, onclick=|_| Msg::L(Level::Easy),>{"just easy"}</option>
[INFO] [stdout]     |                                                             ^^^^^^^^^^^^^^^^^^^^^^ help: remove these braces
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: variant is never constructed: `PlayersAnalisys`
[INFO] [stdout]   --> src/html/config.rs:16:5
[INFO] [stdout]    |
[INFO] [stdout] 16 |     PlayersAnalisys,
[INFO] [stdout]    |     ^^^^^^^^^^^^^^^
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 10 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: linking with `cc` failed: exit status: 1
[INFO] [stdout]   |
[INFO] [stdout]   = note: "cc" "-m64" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.connect4.144f43fe-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496.1jamrywn6j1ftleq.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-b4e9a15dbd8969fb/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libconnect4-d917795e15350a0a.rlib" "/opt/rustwide/target/debug/deps/libidata-e04e029e52d470bf.rlib" "/opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib" "/opt/rustwide/target/debug/deps/libslab-0e37a834064bd48b.rlib" "/opt/rustwide/target/debug/deps/libanymap-22c0ed63051dcb2b.rlib" "/opt/rustwide/target/debug/deps/libbincode-b14ccfbd7ab7e6ab.rlib" "/opt/rustwide/target/debug/deps/libhttp-a05e3829c7de0840.rlib" "/opt/rustwide/target/debug/deps/libfnv-3b027f9af76441c8.rlib" "/opt/rustwide/target/debug/deps/libbytes-4c917fdfb2a06b02.rlib" "/opt/rustwide/target/debug/deps/libiovec-18880ba69e046e0c.rlib" "/opt/rustwide/target/debug/deps/libbyteorder-23224a0e863ddc2e.rlib" "/opt/rustwide/target/debug/deps/liblog-984506d59d1abd35.rlib" "/opt/rustwide/target/debug/deps/libfailure-1cd115db00ede05b.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-7f37cd22f0f25733.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-be0bbb7f6e1396ea.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5f184df8ace8a0b1.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-266d27ed6d5fe7df.rlib" "/opt/rustwide/target/debug/deps/liblibc-7c3532379e5a7c41.rlib" "/opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib" "/opt/rustwide/target/debug/deps/libdiscard-cc4f4c59330690ca.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-ab6a467a85ec3523.rlib" "/opt/rustwide/target/debug/deps/libserde_json-71f4c20085016089.rlib" "/opt/rustwide/target/debug/deps/libryu-ac5ec25bc02e46f0.rlib" "/opt/rustwide/target/debug/deps/libitoa-3fcba51b14786bdb.rlib" "/opt/rustwide/target/debug/deps/libserde-713f2c110de90abb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-9a950938f3668a37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-3b1b529ec96b3df7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-ac333df4e6839cea.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-22a9ff9d2be6d427.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-5decbb94c7d60860.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-29a9663b62a1cd00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-6f0cee0dbab2d3f8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-f5dc7d1d28c5c249.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-d19bda9ef557e755.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-82a955fd13db2399.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-44f3e7c1b7cc17ef.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-3ee6f750c5f3c2cf.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-ae5e1795dcba83e8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8d545d8592f2b534.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-c4c222675f83fd37.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-c1e9c53e75e301ed.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-beea7d9617fe25c5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-8ef7dd43fc671f88.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-80a2b295510dd038.rlib" "-Wl,-Bdynamic" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2021-09-08-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/connect4-514e2392c5453496" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib(yew-1ab41784ab848215.yew.daea2176-cgu.3.rcgu.o): in function `yew::virtual_dom::vtag::VTag<COMP>::apply_diffs::snippet::__cargo_web_snippet_0da47658267a7497de743e1b0892f992ba6ca6ef':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib(yew-1ab41784ab848215.yew.daea2176-cgu.3.rcgu.o): in function `yew::virtual_dom::vtag::VTag<COMP>::apply_diffs::snippet::__cargo_web_snippet_6a77b2f2accec26fefbfa0d864061d26f40f8f6f':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib(yew-1ab41784ab848215.yew.daea2176-cgu.3.rcgu.o): in function `yew::virtual_dom::vtag::set_attribute::snippet::__cargo_web_snippet_da2febd72f9938d90bc2bf2905643f595b07abd9':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib(yew-1ab41784ab848215.yew.daea2176-cgu.3.rcgu.o): in function `yew::virtual_dom::vtag::remove_attribute::snippet::__cargo_web_snippet_f6358c198ebcc61c9da370cca2679c0b8bc81a7b':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib(yew-1ab41784ab848215.yew.daea2176-cgu.3.rcgu.o): in function `yew::virtual_dom::vtag::set_checked::snippet::__cargo_web_snippet_a1f43b583e011a9bbeae64030b81f677e6c29005':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:91: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libyew-1ab41784ab848215.rlib(yew-1ab41784ab848215.yew.daea2176-cgu.6.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:101: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.15.rcgu.o): in function `stdweb::webcore::ffi::emscripten::event_loop':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_pause_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.2.rcgu.o): in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,(A12,)),stdweb::webcore::mutfn::Mut<F>> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter::snippet::__cargo_web_snippet_ff5103e6cc179d13b4c7a785bdce2708fd559fc0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.2.rcgu.o): in function `<stdweb::webcore::newtype::Newtype<(stdweb::webcore::serialization::FunctionTag,()),F> as stdweb::webcore::serialization::FuncallAdapter<F>>::funcall_adapter::snippet::__cargo_web_snippet_ff5103e6cc179d13b4c7a785bdce2708fd559fc0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.4.rcgu.o): in function `stdweb::webcore::initialization::initialize::snippet::__cargo_web_snippet_cf5dc0ddd53407cec668155a47f6fc8385676488':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.4.rcgu.o): in function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_dc2fd915bd92f9e9c6a3bd15174f1414eee3dbaf':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.4.rcgu.o): in function `stdweb::webcore::initialization::initialize::{{closure}}::snippet::__cargo_web_snippet_97495987af1720d8a9a923fa4683a7b683e3acd6':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-9729f26e100e7dff.rlib(stdweb-9729f26e100e7dff.stdweb.a14bbbd9-cgu.4.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.12/src/webcore/macros.rs:32: more undefined references to `emscripten_asm_const_int' follow
[INFO] [stdout]           collect2: error: ld returned 1 exit status
[INFO] [stdout]           
[INFO] [stdout]   = help: some `extern` functions couldn't be found; some native libraries may need to be installed or have their path specified
[INFO] [stdout]   = note: use the `-l` flag to specify native libraries to link
[INFO] [stdout]   = note: use the `cargo:rustc-link-lib` directive to specify the native libraries to link with Cargo (see https://doc.rust-lang.org/cargo/reference/build-scripts.html#cargorustc-link-libkindname)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `connect4` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "b5705b8207527c2203dab9fbd181212d3096c318193c28bd1fc700d83aec98d0", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b5705b8207527c2203dab9fbd181212d3096c318193c28bd1fc700d83aec98d0", kill_on_drop: false }`
[INFO] [stdout] b5705b8207527c2203dab9fbd181212d3096c318193c28bd1fc700d83aec98d0