[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 1.55.0 for beta-1.56-1
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fiptq%2Frust-wasm-canvas" "/workspace/builds/worker-23/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-23/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/iptq/rust-wasm-canvas on toolchain 1.55.0
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+1.55.0" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] removed /workspace/builds/worker-23/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-23/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" "+1.55.0" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] a76102fc892dd28af2faa7558b1005e678294426fc56d93ee5d193a5cc419a1f
[INFO] running `Command { std: "docker" "start" "-a" "a76102fc892dd28af2faa7558b1005e678294426fc56d93ee5d193a5cc419a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "a76102fc892dd28af2faa7558b1005e678294426fc56d93ee5d193a5cc419a1f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "a76102fc892dd28af2faa7558b1005e678294426fc56d93ee5d193a5cc419a1f", kill_on_drop: false }`
[INFO] [stdout] a76102fc892dd28af2faa7558b1005e678294426fc56d93ee5d193a5cc419a1f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-23/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:a89201d6b5b9fd45c15d5952ece0a0129e7e80cb26ec023fd59cf09bc26f1604" "/opt/rustwide/cargo-home/bin/cargo" "+1.55.0" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 82e02ff8b56ee6bd4e1a1afc86386ec2a848f0b3e525a151921e2f8f30235a52
[INFO] running `Command { std: "docker" "start" "-a" "82e02ff8b56ee6bd4e1a1afc86386ec2a848f0b3e525a151921e2f8f30235a52", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]    Compiling autocfg v0.1.2
[INFO] [stderr]    Compiling libc v0.2.48
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling cfg-if v0.1.6
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling cc v1.0.29
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling lazy_static v1.2.0
[INFO] [stderr]    Compiling ref_thread_local v0.0.0
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.27
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]    Compiling failure_derive v0.1.5
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling sdl2-sys v0.32.5
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling rand v0.6.5
[INFO] [stderr]    Compiling backtrace v0.3.13
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling quote v0.6.11
[INFO] [stderr]    Compiling syn v0.15.26
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling rand_os v0.1.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]    Compiling num v0.1.42
[INFO] [stderr]    Compiling synstructure v0.10.1
[INFO] [stderr]    Compiling sdl2 v0.32.1
[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-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.0.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.1.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.10.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.11.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.12.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.13.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.14.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.15.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.2.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.3.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.4.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.5.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.6.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.7.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.8.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.9.rcgu.o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.18ae2p4xw5lq9zq6.rcgu.o" "-Wl,--as-needed" "-L" "/opt/rustwide/target/debug/deps" "-L" "/opt/rustwide/target/debug/build/backtrace-sys-5b8cdc3c4aa0950f/out" "-L" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-Wl,-Bstatic" "/opt/rustwide/target/debug/deps/libref_thread_local-ae993d4740cdf64b.rlib" "/opt/rustwide/target/debug/deps/libfailure-0b299acea8d092f8.rlib" "/opt/rustwide/target/debug/deps/libbacktrace-00f4817e321aebd7.rlib" "/opt/rustwide/target/debug/deps/libbacktrace_sys-92df4f6f6a5e8246.rlib" "/opt/rustwide/target/debug/deps/librustc_demangle-5502dcfb7d38e37b.rlib" "/opt/rustwide/target/debug/deps/libcfg_if-cbca0bb30c89f8c0.rlib" "/opt/rustwide/target/debug/deps/libsdl2-664c13e169496012.rlib" "/opt/rustwide/target/debug/deps/librand-40f7a1f078413c52.rlib" "/opt/rustwide/target/debug/deps/librand_xorshift-5a2c186f25db0db2.rlib" "/opt/rustwide/target/debug/deps/librand_pcg-5210d0617f338b0b.rlib" "/opt/rustwide/target/debug/deps/librand_hc-a62c60b6695dd231.rlib" "/opt/rustwide/target/debug/deps/librand_chacha-783c2982d19fc548.rlib" "/opt/rustwide/target/debug/deps/librand_isaac-5fce77345e8d6f2c.rlib" "/opt/rustwide/target/debug/deps/librand_core-f1dc128c8e73d570.rlib" "/opt/rustwide/target/debug/deps/librand_os-774e1fd38927f957.rlib" "/opt/rustwide/target/debug/deps/librand_jitter-3bd801330e31b198.rlib" "/opt/rustwide/target/debug/deps/librand_core-0cdc5813e9ef98e7.rlib" "/opt/rustwide/target/debug/deps/libsdl2_sys-c1b43f03674f10d4.rlib" "/opt/rustwide/target/debug/deps/libbitflags-be708b057de9c1af.rlib" "/opt/rustwide/target/debug/deps/liblazy_static-be5b982b5ab50524.rlib" "/opt/rustwide/target/debug/deps/liblibc-2a9b8043e5d87ec1.rlib" "/opt/rustwide/target/debug/deps/libnum-a7ce411a471a0407.rlib" "/opt/rustwide/target/debug/deps/libnum_iter-77c2892a13620e91.rlib" "/opt/rustwide/target/debug/deps/libnum_integer-d661466bc03c66ca.rlib" "/opt/rustwide/target/debug/deps/libnum_traits-a4e313a328b70edb.rlib" "-Wl,--start-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd-008055cc7d873802.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libpanic_unwind-06f01ac2578bda94.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libminiz_oxide-f9a3c3274a1835e0.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libadler-d4cbb754ee9f4daa.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libobject-95c14e1c1e3ebcc4.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libaddr2line-d489f0ca872880cc.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libgimli-75f07df0b18fea39.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libstd_detect-0c35b278736219a2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_demangle-e530649c9a06e3c6.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libhashbrown-6b148909d375a785.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_alloc-cd15fa647f4775d1.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libunwind-74be3a703f788ba2.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcfg_if-8f2c5b445c28b2e3.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liblibc-8480e85e0be96197.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/liballoc-ac23a75f6f42004e.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/librustc_std_workspace_core-557ba8776e04d182.rlib" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcore-4beb03d03503c439.rlib" "-Wl,--end-group" "/opt/rustwide/rustup-home/toolchains/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib/libcompiler_builtins-dd7db1bec6909f24.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/1.55.0-x86_64-unknown-linux-gnu/lib/rustlib/x86_64-unknown-linux-gnu/lib" "-o" "/opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0" "-Wl,--gc-sections" "-pie" "-Wl,-zrelro" "-Wl,-znow" "-nodefaultlibs"
[INFO] [stdout]   = note: /usr/bin/ld: /opt/rustwide/target/debug/deps/rust_wasm_canvas-09b6619d4409dbe0.rust_wasm_canvas.83ae8d2b-cgu.4.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" "82e02ff8b56ee6bd4e1a1afc86386ec2a848f0b3e525a151921e2f8f30235a52", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "82e02ff8b56ee6bd4e1a1afc86386ec2a848f0b3e525a151921e2f8f30235a52", kill_on_drop: false }`
[INFO] [stdout] 82e02ff8b56ee6bd4e1a1afc86386ec2a848f0b3e525a151921e2f8f30235a52