[INFO] cloning repository https://github.com/iptq/rust-wasm-canvas
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/iptq/rust-wasm-canvas" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Frust-wasm-canvas", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Frust-wasm-canvas'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 8751c546fb296778b065c35411bc202dab0e7688
[INFO] testing iptq/rust-wasm-canvas against beta-2022-04-10 for beta-1.61-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Frust-wasm-canvas" "/workspace/builds/worker-12/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-12/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/rust-wasm-canvas on toolchain beta-2022-04-10
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-12/source/.cargo/config
[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 /workspace/builds/worker-12/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 `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] c3ab4b226db0e7d406d65acbed51df2567e4884f2dba9c78e2d47852c5339b5d
[INFO] running `Command { std: "docker" "start" "-a" "c3ab4b226db0e7d406d65acbed51df2567e4884f2dba9c78e2d47852c5339b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "c3ab4b226db0e7d406d65acbed51df2567e4884f2dba9c78e2d47852c5339b5d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c3ab4b226db0e7d406d65acbed51df2567e4884f2dba9c78e2d47852c5339b5d", kill_on_drop: false }`
[INFO] [stdout] c3ab4b226db0e7d406d65acbed51df2567e4884f2dba9c78e2d47852c5339b5d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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:eaef2f80f755933c374d2ae5edccceec0c1312ceb8a4e0b6404e8ab76561e1e5" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2022-04-10" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] d4a607bd8020d3400986c4f0b755d71be5f8598bd3427e569aed414e3f2b9a17
[INFO] running `Command { std: "docker" "start" "-a" "d4a607bd8020d3400986c4f0b755d71be5f8598bd3427e569aed414e3f2b9a17", kill_on_drop: false }`
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rustc-demangle v0.1.13
[INFO] [stderr]    Compiling lazy_static v1.2.0
[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 rand_os v0.1.2
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling syn v0.15.26
[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 v0.1.5
[INFO] [stderr]    Compiling rust-wasm-canvas v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: field is never read: `sdl_context`
[INFO] [stdout]  --> src/system.rs:6:5
[INFO] [stdout]   |
[INFO] [stdout] 6 |     sdl_context: Sdl,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `timer_subsystem`
[INFO] [stdout]  --> src/system.rs:7:5
[INFO] [stdout]   |
[INFO] [stdout] 7 |     timer_subsystem: TimerSubsystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: field is never read: `video_subsystem`
[INFO] [stdout]  --> src/system.rs:8:5
[INFO] [stdout]   |
[INFO] [stdout] 8 |     video_subsystem: VideoSubsystem,
[INFO] [stdout]   |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: static variable `global_system` should have an upper case name
[INFO] [stdout]   --> src/main.rs:17:20
[INFO] [stdout]    |
[INFO] [stdout] 17 |     static managed global_system: System = System::init().unwrap();
[INFO] [stdout]    |                    ^^^^^^^^^^^^^ help: convert the identifier to upper case: `GLOBAL_SYSTEM`
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(non_upper_case_globals)]` on by default
[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/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.kgnecpn7dlf0q8j.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-388438247852c702/out" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libref_thread_local-84dbfff35ce089ad.rlib" "/opt/rustwide/target/debug/deps/libfailure-acf78e01ccb61f51.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-fad2d64f8895ed04.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-6402af6fd6d34d47.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-670b834755174511.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-266d27ed6d5fe7df.rlib" "/opt/rustwide/target/debug/deps/libsdl2-430593fc7c0fc32b.rlib" "/opt/rustwide/target/debug/deps/librand-3faabe820f5a0f69.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-77606af54bbbbcc4.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-fe6d76cade370731.rlib" "/opt/rustwide/target/debug/deps/librand_hc-1d269308525f4b6f.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-1bcd9f4f4c2081cb.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-db35b97212c0da34.rlib" "/opt/rustwide/target/debug/deps/librand_core-f8c892ef9c68230d.rlib" "/opt/rustwide/target/debug/deps/librand_os-92f2bf6db75b7f17.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-ffda9987c5853265.rlib" "/opt/rustwide/target/debug/deps/librand_core-83a6dba49af4e27f.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-25a10cb84b1e0b16.rlib" "/opt/rustwide/target/debug/deps/libbitflags-c1fd6b181e1981af.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-127689f7eaad1653.rlib" "/opt/rustwide/target/debug/deps/liblibc-1dc5af793c54eb5b.rlib" "/opt/rustwide/target/debug/deps/libnum-1840110e9126cd74.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-caf135316d1c822e.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-f0107a1a3205cd2a.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-8c8d8af81d561c3a.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-ff9290e971253a38.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-5534b29ea7b2d8f5.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-8bfbb13072fc2761.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libmemchr-d6d1fa92fa620f17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-7cfd201521727d95.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-0e8010e8fce8e5a7.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-19093fec3c6dd913.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-89c4cbe9256c1890.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-73e4507673363945.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-3fe98c0f46f27964.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-a76787f08d45e37d.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-8cea480e62c5b261.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-1fb939608cd05a1c.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-842e67e3ab562f66.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-0c1c8fec3b1a54cc.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-689faa634b72af17.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-6c2c561a8181be5e.rlib" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-88c4d85fe493b0a6.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-f5394bdb1df5df01.rlib" "-Wl,-Bdynamic" "-lSDL2" "-lutil" "-lgcc_s" "-lutil" "-lrt" "-lpthread" "-lm" "-ldl" "-lc" "-Wl,--eh-frame-hdr" "-Wl,-znoexecstack" "-L" "/opt/rustwide/rustup-home/toolchains/beta-2022-04-10-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_wasm_canvas-5d99197e3e95fcd1.rust_wasm_canvas.48e62678-cgu.6.rcgu.o: in function `rust_wasm_canvas::main':
[INFO] [stdout]           /opt/rustwide/workdir/src/main.rs:39: undefined reference to `emscripten_set_main_loop'
[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; 4 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rust-wasm-canvas` due to 2 previous errors; 4 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "d4a607bd8020d3400986c4f0b755d71be5f8598bd3427e569aed414e3f2b9a17", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "d4a607bd8020d3400986c4f0b755d71be5f8598bd3427e569aed414e3f2b9a17", kill_on_drop: false }`
[INFO] [stdout] d4a607bd8020d3400986c4f0b755d71be5f8598bd3427e569aed414e3f2b9a17