[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 beta-2019-09-28 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-1/source"`
[INFO] [stderr] Cloning into 'work/builds/worker-1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/rust-wasm-canvas on toolchain beta-2019-09-28
[INFO] running `"/big/crater/work/cargo-home/bin/cargo" "+beta-2019-09-28" "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-1/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" "+beta-2019-09-28" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/big/crater/work/builds/worker-1/target:/opt/rustwide/target:rw,Z" "-v" "/big/crater/work/builds/worker-1/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" "+beta-2019-09-28" "build" "--frozen"`
[INFO] [stdout] 57f626def26381fba664b16d337ba250d52a8c597bdd683a82f7d5bd169efc17
[INFO] running `"docker" "start" "-a" "57f626def26381fba664b16d337ba250d52a8c597bdd683a82f7d5bd169efc17"`
[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/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-cgu.9.rcgu.o" "-o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-d799f36b01218ad1.2gqu2ayjd561qdjm.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-9fd26095f0b92246/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libref_thread_local-34d345b2e587c937.rlib" "/opt/rustwide/target/debug/deps/libfailure-944ceaabbd990e30.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-17970bae2db04c46.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-762b3a9c2ccd61ac.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-d6299ec918f912e0.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-7a542410dd593189.rlib" "/opt/rustwide/target/debug/deps/libsdl2-0ebc23ce8e6d035b.rlib" "/opt/rustwide/target/debug/deps/librand-f56a8a4615940378.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-57eff26591ee1926.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-323fd03a6b1a23b1.rlib" "/opt/rustwide/target/debug/deps/librand_hc-79eb2bb135bcf82e.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-ed3231068e4634b4.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-abee9575352963b6.rlib" "/opt/rustwide/target/debug/deps/librand_core-96fcd81fcc1da5a2.rlib" "/opt/rustwide/target/debug/deps/librand_os-ddf5bbb9ea397811.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-84b04fde051c371f.rlib" "/opt/rustwide/target/debug/deps/librand_core-f46a59bb123ae6e7.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-08ca9b9923027bde.rlib" "/opt/rustwide/target/debug/deps/libbitflags-3a40c6903761d7ac.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-dc50c07bdb2aa9f0.rlib" "/opt/rustwide/target/debug/deps/liblibc-a4d3cc06143ac2bb.rlib" "/opt/rustwide/target/debug/deps/libnum-37b62393ea43ae90.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-983498e0503285b4.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-13966710122d1116.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-96f5ce4bbc698d03.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-db812c66f862af4c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-e7871a21575d5ff7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-2f2c581bc0d759e6.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-35731cabc05dc8a0.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-36477394541292db.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-8b706b170c1272d8.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-801dbb3043ccf581.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-a32aa66ce6f72b21.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-d00ea3bfb2bb6c00.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-d2c6ebe88c3e113c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-df74f62f6bb60621.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2170473575daeedb.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-1a08089bbddc4f51.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2019-09-28-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f8f562e5472ad5c3.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-d799f36b01218ad1.rust_wasm_canvas.16eg9wtb-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" "57f626def26381fba664b16d337ba250d52a8c597bdd683a82f7d5bd169efc17"`
[INFO] running `"docker" "rm" "-f" "57f626def26381fba664b16d337ba250d52a8c597bdd683a82f7d5bd169efc17"`
[INFO] [stdout] 57f626def26381fba664b16d337ba250d52a8c597bdd683a82f7d5bd169efc17