[INFO] cloning repository https://github.com/MetalChair/rust_engine
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/MetalChair/rust_engine" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetalChair%2Frust_engine", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetalChair%2Frust_engine'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] a21d58a1d47e02049b814230909bb22eecbf89d2
[INFO] checking MetalChair/rust_engine against master#ceab6128fa48a616bfd3e3adf4bc80133b8ee223 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetalChair%2Frust_engine" "/workspace/builds/worker-0-tc1/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc1/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MetalChair/rust_engine on toolchain ceab6128fa48a616bfd3e3adf4bc80133b8ee223
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MetalChair/rust_engine
[INFO] finished tweaking git repo https://github.com/MetalChair/rust_engine
[INFO] tweaked toml for git repo https://github.com/MetalChair/rust_engine written to /workspace/builds/worker-0-tc1/source/Cargo.toml
[INFO] crate git repo https://github.com/MetalChair/rust_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.37.0+1.3.209` for dependency `ash` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] cfdb71fd1c92f3efe158a4559879237e396d8422ba3981e0d201eecb73a9f339
[INFO] running `Command { std: "docker" "start" "-a" "cfdb71fd1c92f3efe158a4559879237e396d8422ba3981e0d201eecb73a9f339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "cfdb71fd1c92f3efe158a4559879237e396d8422ba3981e0d201eecb73a9f339", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "cfdb71fd1c92f3efe158a4559879237e396d8422ba3981e0d201eecb73a9f339", kill_on_drop: false }`
[INFO] [stdout] cfdb71fd1c92f3efe158a4559879237e396d8422ba3981e0d201eecb73a9f339
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc1/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+ceab6128fa48a616bfd3e3adf4bc80133b8ee223" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 1fbb87cc9f9c9184cd4426732389fd147c89e77d8b32417a8b51fd092c805cd8
[INFO] running `Command { std: "docker" "start" "-a" "1fbb87cc9f9c9184cd4426732389fd147c89e77d8b32417a8b51fd092c805cd8", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.37.0+1.3.209` for dependency `ash` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ash v0.37.0+1.3.209
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stderr]     Checking rust_engine v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: fields `app_version` and `vulkan_api_version` are never read
[INFO] [stdout]  --> src/vulkan/vulkan_instance.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct VulkanApp{
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 4 |     pub app_version: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 5 |     pub vulkan_api_version: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: fields `app_version` and `vulkan_api_version` are never read
[INFO] [stdout]  --> src/vulkan/vulkan_instance.rs:4:9
[INFO] [stdout]   |
[INFO] [stdout] 3 | pub struct VulkanApp{
[INFO] [stdout]   |            --------- fields in this struct
[INFO] [stdout] 4 |     pub app_version: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^
[INFO] [stdout] 5 |     pub vulkan_api_version: u32,
[INFO] [stdout]   |         ^^^^^^^^^^^^^^^^^^
[INFO] [stdout]   |
[INFO] [stdout]   = note: `#[warn(dead_code)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 1 warning emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 5.48s
[INFO] running `Command { std: "docker" "inspect" "1fbb87cc9f9c9184cd4426732389fd147c89e77d8b32417a8b51fd092c805cd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1fbb87cc9f9c9184cd4426732389fd147c89e77d8b32417a8b51fd092c805cd8", kill_on_drop: false }`
[INFO] [stdout] 1fbb87cc9f9c9184cd4426732389fd147c89e77d8b32417a8b51fd092c805cd8
[INFO] checking MetalChair/rust_engine against try#3a4bc97f6385a3aa300a4fd689b44350e54fd676 for no-never-type-fallback
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FMetalChair%2Frust_engine" "/workspace/builds/worker-0-tc2/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-0-tc2/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/MetalChair/rust_engine on toolchain 3a4bc97f6385a3aa300a4fd689b44350e54fd676
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/MetalChair/rust_engine
[INFO] finished tweaking git repo https://github.com/MetalChair/rust_engine
[INFO] tweaked toml for git repo https://github.com/MetalChair/rust_engine written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] crate git repo https://github.com/MetalChair/rust_engine already has a lockfile, it will not be regenerated
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.37.0+1.3.209` for dependency `ash` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 72f9177baf34d9dbc5cea3b7ca1ab1b4e3ed6a04ce46f9a862eeefb6ef6c0fc4
[INFO] running `Command { std: "docker" "start" "-a" "72f9177baf34d9dbc5cea3b7ca1ab1b4e3ed6a04ce46f9a862eeefb6ef6c0fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "72f9177baf34d9dbc5cea3b7ca1ab1b4e3ed6a04ce46f9a862eeefb6ef6c0fc4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "72f9177baf34d9dbc5cea3b7ca1ab1b4e3ed6a04ce46f9a862eeefb6ef6c0fc4", kill_on_drop: false }`
[INFO] [stdout] 72f9177baf34d9dbc5cea3b7ca1ab1b4e3ed6a04ce46f9a862eeefb6ef6c0fc4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/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=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+3a4bc97f6385a3aa300a4fd689b44350e54fd676" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 48db14cb83f2df4d61e2c2a7861a84f88a6df884ceae4e9f44a1f886fe4fed76
[INFO] running `Command { std: "docker" "start" "-a" "48db14cb83f2df4d61e2c2a7861a84f88a6df884ceae4e9f44a1f886fe4fed76", kill_on_drop: false }`
[INFO] [stderr] warning: version requirement `0.37.0+1.3.209` for dependency `ash` includes semver metadata which will be ignored, removing the metadata is recommended to avoid confusion
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.126
[INFO] [stderr]    Compiling ash v0.37.0+1.3.209
[INFO] [stderr]    Compiling sdl2 v0.35.2
[INFO] [stderr]    Compiling sdl2-sys v0.35.2
[INFO] [stdout] error[E0282]: type annotations needed
[INFO] [stdout]    --> /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/sdl2-0.35.2/src/sdl2/render.rs:233:13
[INFO] [stdout]     |
[INFO] [stdout] 233 |             panic!();
[INFO] [stdout]     |             ^^^^^^^^ cannot infer type
[INFO] [stdout]     |
[INFO] [stdout]     = note: this error originates in the macro `$crate::panic::panic_2015` which comes from the expansion of the macro `panic` (in Nightly builds, run with -Z macro-backtrace for more info)
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0282`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl2` (lib) due to 2 previous errors
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "48db14cb83f2df4d61e2c2a7861a84f88a6df884ceae4e9f44a1f886fe4fed76", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "48db14cb83f2df4d61e2c2a7861a84f88a6df884ceae4e9f44a1f886fe4fed76", kill_on_drop: false }`
[INFO] [stdout] 48db14cb83f2df4d61e2c2a7861a84f88a6df884ceae4e9f44a1f886fe4fed76