[INFO] cloning repository iptq/rust-wasm-canvas
[INFO] running `"git" "clone" "--bare" "git://github.com/iptq/rust-wasm-canvas.git" "work/cache/sources/gh/iptq/rust-wasm-canvas"`
[INFO] [stderr] Cloning into bare repository 'work/cache/sources/gh/iptq/rust-wasm-canvas'...
[INFO] running `"git" "clone" "work/cache/sources/gh/iptq/rust-wasm-canvas" "work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iptq/rust-wasm-canvas"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iptq/rust-wasm-canvas'...
[INFO] [stderr] done.
[INFO] running `"git" "clone" "work/cache/sources/gh/iptq/rust-wasm-canvas" "work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iptq/rust-wasm-canvas"`
[INFO] [stderr] Cloning into 'work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iptq/rust-wasm-canvas'...
[INFO] [stderr] done.
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 8751c546fb296778b065c35411bc202dab0e7688
[INFO] sha for GitHub repo iptq/rust-wasm-canvas: 8751c546fb296778b065c35411bc202dab0e7688
[INFO] validating manifest of iptq/rust-wasm-canvas on toolchain master#c8865d8e195813ade6b84434ac9f8850e7112d1a
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of iptq/rust-wasm-canvas on toolchain try#e212b7d492c96d3837691ba29d32d5f468933fb8
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing iptq/rust-wasm-canvas
[INFO] finished frobbing iptq/rust-wasm-canvas
[INFO] frobbed toml for iptq/rust-wasm-canvas written to work/ex/pr-61629/sources/master#c8865d8e195813ade6b84434ac9f8850e7112d1a/gh/iptq/rust-wasm-canvas/Cargo.toml
[INFO] started frobbing iptq/rust-wasm-canvas
[INFO] finished frobbing iptq/rust-wasm-canvas
[INFO] frobbed toml for iptq/rust-wasm-canvas written to work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iptq/rust-wasm-canvas/Cargo.toml
[INFO] crate iptq/rust-wasm-canvas already has a lockfile, it will not be regenerated
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+c8865d8e195813ade6b84434ac9f8850e7112d1a-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing iptq/rust-wasm-canvas against try#e212b7d492c96d3837691ba29d32d5f468933fb8 for pr-61629
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-61629/worker-0/try#e212b7d492c96d3837691ba29d32d5f468933fb8:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/pr-61629/sources/try#e212b7d492c96d3837691ba29d32d5f468933fb8/gh/iptq/rust-wasm-canvas:/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=forbid" "-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" "+e212b7d492c96d3837691ba29d32d5f468933fb8-alt" "build" "--frozen"`
[INFO] [stdout] 87450ba490bbf342be11cf29a48acc611f19d15fd41cd40422fe52d03ba39e17
[INFO] running `"docker" "start" "-a" "87450ba490bbf342be11cf29a48acc611f19d15fd41cd40422fe52d03ba39e17"`
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling bitflags v1.0.4
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling sdl2 v0.32.1
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling failure v0.1.5
[INFO] [stderr]    Compiling rust-wasm-canvas v0.1.0 (/opt/crater/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/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.0.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.1.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.10.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.11.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.12.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.13.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.14.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.15.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.2.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.3.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.4.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.5.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.6.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.7.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.8.rcgu.o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.9.rcgu.o" "-o" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10" "/opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.2l4v6v06lite41k.rcgu.o" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs" "-L" "/opt/crater/target/debug/deps" "-L" "/opt/crater/target/debug/build/backtrace-sys-e560498eda9af282/out" "-L" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/crater/target/debug/deps/libref_thread_local-38c4e04fb31e4b70.rlib" "/opt/crater/target/debug/deps/libfailure-67d5799e9c7da82d.rlib" "/opt/crater/target/debug/deps/libbacktrace-617ce766f6e5cfcd.rlib" "/opt/crater/target/debug/deps/libbacktrace_sys-7f3e99b07b019c6c.rlib" "/opt/crater/target/debug/deps/librustc_demangle-2750acd46bdee415.rlib" "/opt/crater/target/debug/deps/libcfg_if-8e8ec56c3bb25549.rlib" "/opt/crater/target/debug/deps/libsdl2-cf9f86d066a64a73.rlib" "/opt/crater/target/debug/deps/librand-6e2908ea56f661bf.rlib" "/opt/crater/target/debug/deps/librand_xorshift-e3f911b54e25ff3b.rlib" "/opt/crater/target/debug/deps/librand_pcg-fe6cf0d36ba7c7b5.rlib" "/opt/crater/target/debug/deps/librand_hc-d24e8b637969bd0e.rlib" "/opt/crater/target/debug/deps/librand_chacha-d64f3b7183b11179.rlib" "/opt/crater/target/debug/deps/librand_isaac-d7bbe276c7b2d57a.rlib" "/opt/crater/target/debug/deps/librand_core-6fa9f5d43a50161b.rlib" "/opt/crater/target/debug/deps/librand_os-3d4f24fed41e7193.rlib" "/opt/crater/target/debug/deps/librand_jitter-801d28c4cdb39680.rlib" "/opt/crater/target/debug/deps/librand_core-2f3dd869820ff822.rlib" "/opt/crater/target/debug/deps/libsdl2_sys-76bba3a17d6775a3.rlib" "/opt/crater/target/debug/deps/libbitflags-2da86ef0b219352b.rlib" "/opt/crater/target/debug/deps/liblazy_static-735172ffe5c4978c.rlib" "/opt/crater/target/debug/deps/liblibc-0acc055d1d9ee8de.rlib" "/opt/crater/target/debug/deps/libnum-49e206f4ab46d7c6.rlib" "/opt/crater/target/debug/deps/libnum_iter-4c2592bdcf755dee.rlib" "/opt/crater/target/debug/deps/libnum_integer-9488503a36788878.rlib" "/opt/crater/target/debug/deps/libnum_traits-863ec76389318891.rlib" "-Wl,--start-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-196d0eff8e603c0a.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-1c597f5941591e04.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace-a20af2d3380aa511.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libbacktrace_sys-f989f9e071798586.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-52fb60b932b5ef90.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-90a3fdc679697856.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-06d10270cfa51644.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8abb913fca550f79.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-31fd2baab47b156c.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0862cc65189bd4af.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-8010b8629f5aa3e5.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-2d032fe7d4e1e163.rlib" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-622fdce0dc084cba.rlib" "-Wl,--end-group" "/opt/crater/rustup-home/toolchains/e212b7d492c96d3837691ba29d32d5f468933fb8-alt/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-a17fdd0a687135a8.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lutil" "-ldl" "-lrt" "-lpthread" "-lgcc_s" "-lc" "-lm" "-lrt" "-lpthread" "-lutil" "-lutil"
[INFO] [stderr]   = note: /opt/crater/target/debug/deps/rust_wasm_canvas-3609b7f40fb6fe10.rust_wasm_canvas.7dl76bue-cgu.12.rcgu.o: In function `rust_wasm_canvas::main':
[INFO] [stderr]           /opt/crater/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" "87450ba490bbf342be11cf29a48acc611f19d15fd41cd40422fe52d03ba39e17"`
[INFO] running `"docker" "rm" "-f" "87450ba490bbf342be11cf29a48acc611f19d15fd41cd40422fe52d03ba39e17"`
[INFO] [stdout] 87450ba490bbf342be11cf29a48acc611f19d15fd41cd40422fe52d03ba39e17