[INFO] cloning repository https://github.com/zynaxsoft/rust-wasm-snake
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/zynaxsoft/rust-wasm-snake" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzynaxsoft%2Frust-wasm-snake", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzynaxsoft%2Frust-wasm-snake'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 784dd350c22835b46df1b117340ce6c3f92ea8fc
[INFO] testing zynaxsoft/rust-wasm-snake against 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fzynaxsoft%2Frust-wasm-snake" "/workspace/builds/worker-33/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-33/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/zynaxsoft/rust-wasm-snake on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/zynaxsoft/rust-wasm-snake
[INFO] finished tweaking git repo https://github.com/zynaxsoft/rust-wasm-snake
[INFO] tweaked toml for git repo https://github.com/zynaxsoft/rust-wasm-snake written to /workspace/builds/worker-33/source/Cargo.toml
[INFO] crate git repo https://github.com/zynaxsoft/rust-wasm-snake already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] ba10a6590deab974bff252727f3dc569738bf2d8d38ac5c4d9637035ab6a02a6
[INFO] running `Command { std: "docker" "start" "-a" "ba10a6590deab974bff252727f3dc569738bf2d8d38ac5c4d9637035ab6a02a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "ba10a6590deab974bff252727f3dc569738bf2d8d38ac5c4d9637035ab6a02a6", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "ba10a6590deab974bff252727f3dc569738bf2d8d38ac5c4d9637035ab6a02a6", kill_on_drop: false }`
[INFO] [stdout] ba10a6590deab974bff252727f3dc569738bf2d8d38ac5c4d9637035ab6a02a6
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-33/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" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1170771834c0dc5e96d613bd8de4ba18058c07e070c0e1c0cb99bb0ab1a1b79a
[INFO] running `Command { std: "docker" "start" "-a" "1170771834c0dc5e96d613bd8de4ba18058c07e070c0e1c0cb99bb0ab1a1b79a", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling proc-macro2 v1.0.18
[INFO] [stderr]    Compiling syn v1.0.33
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling serde_derive v1.0.114
[INFO] [stderr]    Compiling serde_json v1.0.55
[INFO] [stderr]    Compiling itoa v0.4.6
[INFO] [stderr]    Compiling stdweb-internal-runtime v0.1.5
[INFO] [stderr]    Compiling sha1 v0.6.0
[INFO] [stderr]    Compiling base-x v0.2.6
[INFO] [stderr]    Compiling discard v1.0.4
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v1.0.7
[INFO] [stderr]    Compiling stdweb v0.4.20
[INFO] [stderr]    Compiling stdweb-internal-macros v0.2.9
[INFO] [stderr]    Compiling stdweb-derive v0.5.3
[INFO] [stderr]    Compiling snake v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: unused import: `stdweb::js`
[INFO] [stdout]  --> src/main.rs:3:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use stdweb::js;
[INFO] [stdout]   |     ^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_imports)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused import: `stdweb::unstable::TryInto`
[INFO] [stdout]  --> src/main.rs:4:5
[INFO] [stdout]   |
[INFO] [stdout] 4 | use stdweb::unstable::TryInto;
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `x`
[INFO] [stdout]  --> src/collision.rs:7:27
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn respawn(&mut self, x: i32, y: i32) {}
[INFO] [stdout]   |                           ^ help: if this is intentional, prefix it with an underscore: `_x`
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(unused_variables)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `y`
[INFO] [stdout]  --> src/collision.rs:7:35
[INFO] [stdout]   |
[INFO] [stdout] 7 |     fn respawn(&mut self, x: i32, y: i32) {}
[INFO] [stdout]   |                                   ^ help: if this is intentional, prefix it with an underscore: `_y`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/consumable.rs:47:41
[INFO] [stdout]    |
[INFO] [stdout] 47 |     fn draw(&mut self, canvas: &Canvas, state: &mut State) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/snake.rs:51:41
[INFO] [stdout]    |
[INFO] [stdout] 51 |     fn draw(&mut self, canvas: &Canvas, state: &mut State) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/snake.rs:87:41
[INFO] [stdout]    |
[INFO] [stdout] 87 |     fn draw(&mut self, canvas: &Canvas, state: &mut State) {
[INFO] [stdout]    |                                         ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]   --> src/snake.rs:93:50
[INFO] [stdout]    |
[INFO] [stdout] 93 |     fn consumed_by(&mut self, snake: &mut Snake, state: &State) {
[INFO] [stdout]    |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unused variable: `state`
[INFO] [stdout]    --> src/snake.rs:177:50
[INFO] [stdout]     |
[INFO] [stdout] 177 |     fn consumed_by(&mut self, snake: &mut Snake, state: &State) {
[INFO] [stdout]     |                                                  ^^^^^ help: if this is intentional, prefix it with an underscore: `_state`
[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/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.2scoohjxppg4igex.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libstdweb-d6daf7f755a85cf7.rlib" "/opt/rustwide/target/debug/deps/libdiscard-166bdae8beb99e0a.rlib" "/opt/rustwide/target/debug/deps/libstdweb_internal_runtime-0c733f45e9dfd1e5.rlib" "/opt/rustwide/target/debug/deps/libserde_json-c7a626f8b8f1dc78.rlib" "/opt/rustwide/target/debug/deps/libryu-739207766fb1644f.rlib" "/opt/rustwide/target/debug/deps/libitoa-49dba77af7fbc0f7.rlib" "/opt/rustwide/target/debug/deps/libserde-0a3f8fe1cc2f0152.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.rlib" "-Wl,-Bdynamic" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/snake-45860334a9dcbba3" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/snake-45860334a9dcbba3.snake.5e9ed0fa-cgu.2.rcgu.o: in function `snake::board::random_u32::snippet::__cargo_web_snippet_ad7d159412cc3f611a3ed6f04ff238a29b21a272':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d6daf7f755a85cf7.rlib(stdweb-d6daf7f755a85cf7.stdweb.2cf43186-cgu.0.rcgu.o): in function `<stdweb::webapi::rendering_context::CanvasRenderingContext2d as stdweb::webcore::instance_of::InstanceOf>::instance_of::snippet::__cargo_web_snippet_550049fd354fc2e2d13b8dacf6ebece3de7d60a0':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:64: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d6daf7f755a85cf7.rlib(stdweb-d6daf7f755a85cf7.stdweb.2cf43186-cgu.0.rcgu.o): in function `<stdweb::webapi::rendering_context::CanvasRenderingContext2d as stdweb::webapi::rendering_context::RenderingContext>::from_canvas::snippet::__cargo_web_snippet_49ae24e0f2d690c290030200ef793256363af281':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:149: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d6daf7f755a85cf7.rlib(stdweb-d6daf7f755a85cf7.stdweb.2cf43186-cgu.0.rcgu.o): in function `stdweb::webapi::rendering_context::CanvasRenderingContext2d::set_fill_style_color::snippet::__cargo_web_snippet_7e69871d2f0243bddcb8cffc809fd6fb5fb78697':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d6daf7f755a85cf7.rlib(stdweb-d6daf7f755a85cf7.stdweb.2cf43186-cgu.0.rcgu.o): in function `stdweb::webapi::rendering_context::CanvasRenderingContext2d::fill_rect::snippet::__cargo_web_snippet_cf0debbfec441e126df5ec4b805a71e969f49a75':
[INFO] [stdout]           /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/src/webcore/macros.rs:139: undefined reference to `emscripten_asm_const_int'
[INFO] [stdout]           /usr/bin/ld: /opt/rustwide/target/debug/deps/libstdweb-d6daf7f755a85cf7.rlib(stdweb-d6daf7f755a85cf7.stdweb.2cf43186-cgu.1.rcgu.o):/opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.20/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; 9 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `snake` due to 2 previous errors; 9 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "1170771834c0dc5e96d613bd8de4ba18058c07e070c0e1c0cb99bb0ab1a1b79a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1170771834c0dc5e96d613bd8de4ba18058c07e070c0e1c0cb99bb0ab1a1b79a", kill_on_drop: false }`
[INFO] [stdout] 1170771834c0dc5e96d613bd8de4ba18058c07e070c0e1c0cb99bb0ab1a1b79a