[INFO] updating cached repository luksamuk/wasm-platformer-rs [INFO] running `"git" "fetch" "--all"` [INFO] [stdout] Fetching origin [INFO] [stderr] From git://github.com/luksamuk/wasm-platformer-rs [INFO] [stderr] * branch HEAD -> FETCH_HEAD [INFO] running `"git" "clone" "work/cache/sources/gh/luksamuk/wasm-platformer-rs" "work/ex/beta-1.38-1/sources/1.37.0/gh/luksamuk/wasm-platformer-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/1.37.0/gh/luksamuk/wasm-platformer-rs'... [INFO] [stderr] done. [INFO] running `"git" "clone" "work/cache/sources/gh/luksamuk/wasm-platformer-rs" "work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luksamuk/wasm-platformer-rs"` [INFO] [stderr] Cloning into 'work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luksamuk/wasm-platformer-rs'... [INFO] [stderr] done. [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] e63b37be6d431e5a5fd7b8a90b579b1fbbcf2fd1 [INFO] sha for GitHub repo luksamuk/wasm-platformer-rs: e63b37be6d431e5a5fd7b8a90b579b1fbbcf2fd1 [INFO] validating manifest of luksamuk/wasm-platformer-rs on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of luksamuk/wasm-platformer-rs on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing luksamuk/wasm-platformer-rs [INFO] finished frobbing luksamuk/wasm-platformer-rs [INFO] frobbed toml for luksamuk/wasm-platformer-rs written to work/ex/beta-1.38-1/sources/1.37.0/gh/luksamuk/wasm-platformer-rs/Cargo.toml [INFO] started frobbing luksamuk/wasm-platformer-rs [INFO] finished frobbing luksamuk/wasm-platformer-rs [INFO] frobbed toml for luksamuk/wasm-platformer-rs written to work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luksamuk/wasm-platformer-rs/Cargo.toml [INFO] crate luksamuk/wasm-platformer-rs already has a lockfile, it will not be regenerated [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] testing luksamuk/wasm-platformer-rs against beta-2019-08-13 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-5/beta-2019-08-13:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/beta-2019-08-13/gh/luksamuk/wasm-platformer-rs:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-08-13" "build" "--frozen"` [INFO] [stdout] 31e9a653889d582e6537b9b2ab92cce4ec79869076acb04952700d294913eef0 [INFO] running `"docker" "start" "-a" "31e9a653889d582e6537b9b2ab92cce4ec79869076acb04952700d294913eef0"` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling dtoa v0.4.2 [INFO] [stderr] Compiling stdweb v0.4.4 [INFO] [stderr] Compiling itoa v0.3.4 [INFO] [stderr] Compiling serde v1.0.27 [INFO] [stderr] Compiling discard v1.0.3 [INFO] [stderr] Compiling futures v0.1.18 [INFO] [stderr] Compiling ref_eq v1.0.0 [INFO] [stderr] Compiling bitflags v1.0.1 [INFO] [stderr] Compiling proc-macro2 v0.2.3 [INFO] [stderr] Compiling synom v0.11.3 [INFO] [stderr] Compiling syn v0.11.11 [INFO] [stderr] Compiling quote v0.4.2 [INFO] [stderr] Compiling syn v0.12.13 [INFO] [stderr] Compiling serde_derive_internals v0.19.0 [INFO] [stderr] Compiling serde_derive v1.0.27 [INFO] [stderr] Compiling serde_json v1.0.9 [INFO] [stderr] Compiling stdweb-derive v0.4.0 [INFO] [stderr] Compiling wasm-platformer-rs v0.1.0 (/opt/crater/workdir) [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common/objects.rs:11:37 [INFO] [stderr] | [INFO] [stderr] 11 | pub type GameObjectRef = Rc>; [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn GameObject` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(bare_trait_objects)]` on by default [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/common/objects.rs:60:49 [INFO] [stderr] | [INFO] [stderr] 60 | fn on_collision(&mut self, other: ObjectRef); [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn GameObject` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/game/world.rs:148:32 [INFO] [stderr] | [INFO] [stderr] 148 | follows: Option>, [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn GameObject` [INFO] [stderr] [INFO] [stderr] warning: trait objects without an explicit `dyn` are deprecated [INFO] [stderr] --> src/game/world.rs:229:51 [INFO] [stderr] | [INFO] [stderr] 229 | fn follow(&mut self, object: Option>) { [INFO] [stderr] | ^^^^^^^^^^ help: use `dyn`: `dyn GameObject` [INFO] [stderr] [INFO] [stderr] warning: unused variable: `state` [INFO] [stderr] --> src/input/mod.rs:105:37 [INFO] [stderr] | [INFO] [stderr] 105 | pub fn set_stick_sim(&mut self, state: GamepadAxisSim) { [INFO] [stderr] | ^^^^^ help: consider prefixing with an underscore: `_state` [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(unused_variables)]` on by default [INFO] [stderr] [INFO] [stderr] warning: field is never used: `max_depth` [INFO] [stderr] --> src/collision/partitioning.rs:140:5 [INFO] [stderr] | [INFO] [stderr] 140 | max_depth: u32, [INFO] [stderr] | ^^^^^^^^^^^^^^ [INFO] [stderr] | [INFO] [stderr] = note: `#[warn(dead_code)]` on by default [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `X_MIN_FACTOR` [INFO] [stderr] --> src/game/world.rs:135:5 [INFO] [stderr] | [INFO] [stderr] 135 | pub const X_MIN_FACTOR: f64 = -0.45; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `X_MAX_FACTOR` [INFO] [stderr] --> src/game/world.rs:136:5 [INFO] [stderr] | [INFO] [stderr] 136 | pub const X_MAX_FACTOR: f64 = 0.5; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `Y_AIR_MIN_FACTOR` [INFO] [stderr] --> src/game/world.rs:137:5 [INFO] [stderr] | [INFO] [stderr] 137 | pub const Y_AIR_MIN_FACTOR: f64 = -0.26; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `Y_AIR_MAX_FACTOR` [INFO] [stderr] --> src/game/world.rs:138:5 [INFO] [stderr] | [INFO] [stderr] 138 | pub const Y_AIR_MAX_FACTOR: f64 = 0.53; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `Y_FACTOR` [INFO] [stderr] --> src/game/world.rs:139:5 [INFO] [stderr] | [INFO] [stderr] 139 | pub const Y_FACTOR: f64 = 0.4; [INFO] [stderr] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stderr] [INFO] [stderr] warning: constant item is never used: `MOVE_SPEED_Y_G` [INFO] [stderr] --> src/game/world.rs:141:5 [INFO] [stderr] | [INFO] [stderr] 141 | pub const MOVE_SPEED_Y_G: f64 = 6.0; // unused [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/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5" "/opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.1aic811fpbg40v7k.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libbitflags-8691998c5ee83e05.rlib" "/opt/crater/target/debug/deps/libref_eq-caae9897f8796863.rlib" "/opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib" "/opt/crater/target/debug/deps/libdiscard-beb28269a1d78969.rlib" "/opt/crater/target/debug/deps/libfutures-d0fb58f35455a941.rlib" "/opt/crater/target/debug/deps/libserde_json-c3acc39bf58ba3d1.rlib" "/opt/crater/target/debug/deps/libdtoa-76b1f20e1383b735.rlib" "/opt/crater/target/debug/deps/libitoa-91bb7714f7baf050.rlib" "/opt/crater/target/debug/deps/libnum_traits-772a36bf6ef107c6.rlib" "/opt/crater/target/debug/deps/libserde-6a4c4aabcd3a5c1f.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-1d6d86bd078a28e9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e9721e46a424e2a9.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-c07193698f282147.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-6da45690f3863086.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-690797036dd27680.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-d3896ccbfd8eda2b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-7cccc3739e3d7623.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-5e9ba178a513cd29.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-5ca9f83bf63d1f4b.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-bba1c7ef9e950882.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-e23c9de62012deb5.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-9b59dffdcd513d5d.rlib" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-17392340ab2e4a97.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/beta-2019-08-13-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-ac21508a81e3f7f3.rlib" "-Wl,-Bdynamic" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil" [INFO] [stderr] = note: /opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o: In function `::instance_of': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o: In function `::instance_of': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o: In function `::instance_of': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o: In function `stdweb::webapi::event::IEvent::prevent_default': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o: In function `stdweb::webapi::event::IEvent::prevent_default': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:34: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/wasm_platformer_rs-fbea5a097f291fb5.wasm_platformer_rs.39dzh85x-cgu.1.rcgu.o:/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:34: more undefined references to `emscripten_asm_const_int' follow [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.3.rcgu.o): In function `stdweb::webcore::ffi::emscripten::event_loop': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/ffi/emscripten.rs:9: undefined reference to `emscripten_pause_main_loop' [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/ffi/emscripten.rs:11: undefined reference to `emscripten_set_main_loop' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.5.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::height': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webapi/html_elements/canvas.rs:35: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.5.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::set_height': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webapi/html_elements/canvas.rs:47: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.5.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::width': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webapi/html_elements/canvas.rs:59: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.5.rcgu.o): In function `stdweb::webapi::html_elements::canvas::CanvasElement::set_width': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webapi/html_elements/canvas.rs:71: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.5.rcgu.o): In function `::instance_of': [INFO] [stderr] /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webapi/html_elements/canvas.rs:17: undefined reference to `emscripten_asm_const_int' [INFO] [stderr] /opt/crater/target/debug/deps/libstdweb-c44076fd0f7e3b37.rlib(stdweb-c44076fd0f7e3b37.stdweb.9cljfdlh-cgu.5.rcgu.o):/opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/stdweb-0.4.4/src/webcore/macros.rs:564: 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 [INFO] [stderr] [INFO] [stderr] error: Could not compile `wasm-platformer-rs`. [INFO] [stderr] [INFO] [stderr] To learn more, run the command again with --verbose. [INFO] running `"docker" "inspect" "31e9a653889d582e6537b9b2ab92cce4ec79869076acb04952700d294913eef0"` [INFO] running `"docker" "rm" "-f" "31e9a653889d582e6537b9b2ab92cce4ec79869076acb04952700d294913eef0"` [INFO] [stdout] 31e9a653889d582e6537b9b2ab92cce4ec79869076acb04952700d294913eef0