[INFO] updating cached repository https://github.com/iptq/rust-wasm-canvas
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/big/crater/work/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] 8751c546fb296778b065c35411bc202dab0e7688
[INFO] testing iptq/rust-wasm-canvas against 1.38.0 for beta-1.39-1
[INFO] running `"git" "clone" "work/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Frust-wasm-canvas" "work/builds/worker-7/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-7/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/rust-wasm-canvas on toolchain 1.38.0
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/iptq/rust-wasm-canvas
[INFO] finished tweaking git repo https://github.com/iptq/rust-wasm-canvas
[INFO] tweaked toml for git repo https://github.com/iptq/rust-wasm-canvas written to work/builds/worker-7/source/Cargo.toml
[INFO] crate git repo https://github.com/iptq/rust-wasm-canvas already has a lockfile, it will not be regenerated
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+1.38.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-7/source:/opt/rustwide/workdir:ro,Z" "-v" "/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+1.38.0" "build" "--frozen"`
[INFO] [stdout] 94d344ffa50420a5cea25d6ba49dbbcf801ce7c0aee4d320c2c59644a2d3c34c
[INFO] running `"docker" "start" "-a" "94d344ffa50420a5cea25d6ba49dbbcf801ce7c0aee4d320c2c59644a2d3c34c"`
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling rust-wasm-canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: field is never used: `sdl_context`
[INFO] [stderr]  --> src/system.rs:6:5
[INFO] [stderr]   |
[INFO] [stderr] 6 |     sdl_context: Sdl,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^
[INFO] [stderr]   |
[INFO] [stderr]   = note: `#[warn(dead_code)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `timer_subsystem`
[INFO] [stderr]  --> src/system.rs:7:5
[INFO] [stderr]   |
[INFO] [stderr] 7 |     timer_subsystem: TimerSubsystem,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: field is never used: `video_subsystem`
[INFO] [stderr]  --> src/system.rs:8:5
[INFO] [stderr]   |
[INFO] [stderr] 8 |     video_subsystem: VideoSubsystem,
[INFO] [stderr]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] warning: static variable `global_system` should have an upper case name
[INFO] [stderr]   --> src/main.rs:17:20
[INFO] [stderr]    |
[INFO] [stderr] 17 |     static managed global_system: System = System::init().unwrap();
[INFO] [stderr]    |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `GLOBAL_SYSTEM`
[INFO] [stderr]    |
[INFO] [stderr]    = note: `#[warn(non_upper_case_globals)]` on by default
[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/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.l5hadh5b4hyyyo0.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-480798f2df001431/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libref_thread_local-08bd5b45e7239282.rlib" "/opt/rustwide/target/debug/deps/libfailure-fbbf8d14537bdd68.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-40909570e70835a2.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-bc59f41ac11e50b4.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-43b7030cf60de6c0.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-346f95c6920bbf4f.rlib" "/opt/rustwide/target/debug/deps/libsdl2-7bc9314e8d87292b.rlib" "/opt/rustwide/target/debug/deps/librand-d1da497077566cb1.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-788e08e4e9b857db.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-7f4c23ccdaf68885.rlib" "/opt/rustwide/target/debug/deps/librand_hc-a413bb2c7ba70585.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-71d15c312716f348.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-4874caa1590f70f4.rlib" "/opt/rustwide/target/debug/deps/librand_core-92c2f35314396599.rlib" "/opt/rustwide/target/debug/deps/librand_os-b4937e690dfea1b0.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-5f052041a93710aa.rlib" "/opt/rustwide/target/debug/deps/librand_core-bcfcf7c2a1d9c9e3.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-e40e7bdcb5f8ffbb.rlib" "/opt/rustwide/target/debug/deps/libbitflags-ac824a210725bad3.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-7f0036cdc569d1c1.rlib" "/opt/rustwide/target/debug/deps/liblibc-8e7405c8b737c45b.rlib" "/opt/rustwide/target/debug/deps/libnum-3864f76b6dda44fb.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-53ea44e79df097b8.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-80c6dbab6652410c.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-cb412cedb055b888.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-12ce12f1efc08aa3.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5d3cd1b3ddab72e4.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-f8222943dfd167e2.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-0cd00b2d3108cd48.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-485c05ba6ce1b438.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-63e6b1072426ba59.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-a421aff1d43911ee.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-3deef8ef4fe80dff.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-f65a176f0586269e.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-ad46d4080f4d7e57.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-da6c590582bf0885.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-837ca740df32db0a.rlib" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-db27c965e824589f.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.38.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-68a4f8466685ed76.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/rustwide/target/debug/deps/rust_wasm_canvas-8e29757a72da51d4.rust_wasm_canvas.czen7g4p-cgu.12.rcgu.o: In function `rust_wasm_canvas::main':
[INFO] [stderr]           /opt/rustwide/workdir/src/main.rs:39: undefined reference to `emscripten_set_main_loop'
[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 `rust-wasm-canvas`.
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] running `"docker" "inspect" "94d344ffa50420a5cea25d6ba49dbbcf801ce7c0aee4d320c2c59644a2d3c34c"`
[INFO] running `"docker" "rm" "-f" "94d344ffa50420a5cea25d6ba49dbbcf801ce7c0aee4d320c2c59644a2d3c34c"`
[INFO] [stdout] 94d344ffa50420a5cea25d6ba49dbbcf801ce7c0aee4d320c2c59644a2d3c34c