[INFO] fetching crate sdl2-sys 0.38.0...
[INFO] testing sdl2-sys-0.38.0 against 1.100.0-beta.1+cargoflags=--release for beta-release-1.100-2
[INFO] extracting crate sdl2-sys 0.38.0 into /workspace/builds/worker-7-tc2/source
[INFO] started tweaking crates.io crate sdl2-sys 0.38.0
[INFO] removed 0 missing examples
[INFO] finished tweaking crates.io crate sdl2-sys 0.38.0
[INFO] tweaked toml for crates.io crate sdl2-sys 0.38.0 written to /workspace/builds/worker-7-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate sdl2-sys 0.38.0 on toolchain 1.100.0-beta.1
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] crate crates.io crate sdl2-sys 0.38.0 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" "+1.100.0-beta.1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7-tc2/target:/opt/rustwide/target:rw,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" "-m" "1610612736" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:77db811e55d90add9212f6832c23229e3de5f1c1f9905e8cb07319ea15df73ac" "sleep" "infinity", kill_on_drop: false }`
[INFO] [stdout] 1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829
[INFO] running `Command { std: "docker" "start" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "build" "--frozen" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling version-compare v0.1.0
[INFO] [stderr]    Compiling libc v0.2.155
[INFO] [stderr]    Compiling cfg-if v1.0.0
[INFO] [stderr]    Compiling sdl2-sys v0.38.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused dependency `version-compare`
[INFO] [stderr]   --> Cargo.toml:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 | [build-dependencies.version-compare]
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `version-compare`
[INFO] [stderr] warning: `sdl2-sys` (manifest) generated 1 warning
[INFO] [stderr]     Finished `release` profile [optimized] target(s) in 1.72s
[INFO] running `Command { std: "docker" "inspect" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "exec" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-w" "/opt/rustwide/workdir" "--user" "0:0" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829" "/opt/rustwide/cargo-home/bin/cargo" "+1.100.0-beta.1" "test" "--frozen" "--no-run" "--message-format=json" "--release", kill_on_drop: false }`
[INFO] [stderr]    Compiling sdl2-sys v0.38.0 (/opt/rustwide/workdir)
[INFO] [stdout] error: `#[panic_handler]` function required, but not found
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `sdl2-sys` (example "no_std") due to 2 previous errors
[INFO] [stdout] error: unwinding panics are not supported without std
[INFO] [stdout]   |
[INFO] [stdout]   = help: using nightly cargo, use -Zbuild-std with panic="abort" to avoid unwinding
[INFO] [stdout]   = note: since the core library is usually precompiled with panic="unwind", rebuilding your crate with panic="abort" may not be enough to fix the problem
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stdout] warning: suspicious definition of the runtime `malloc` symbol used by the standard library
[INFO] [stdout]     --> /opt/rustwide/target/release/build/sdl2-sys/59852a50104e8649/out/sdl_bindings.rs:4768:5
[INFO] [stdout]      |
[INFO] [stdout] 4768 |     pub fn malloc(__size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "malloc")]`, or `#[link_name = "malloc"]`
[INFO] [stdout]      = help: allow this lint if the signature is compatible
[INFO] [stdout]      = note: `#[warn(suspicious_runtime_symbol_definitions)]` on by default
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: suspicious definition of the runtime `realloc` symbol used by the standard library
[INFO] [stdout]     --> /opt/rustwide/target/release/build/sdl2-sys/59852a50104e8649/out/sdl_bindings.rs:4774:5
[INFO] [stdout]      |
[INFO] [stdout] 4774 |     pub fn realloc(__ptr: *mut libc::c_void, __size: libc::c_ulong) -> *mut libc::c_void;
[INFO] [stdout]      |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]      |
[INFO] [stdout]      = note: expected `unsafe extern "C" fn(*mut c_void, usize) -> *mut c_void` (for the current target)
[INFO] [stdout]              found    `unsafe extern "C" fn(*mut c_void, u64) -> *mut c_void`
[INFO] [stdout]      = help: either fix the signature or remove any attributes like `#[unsafe(no_mangle)]`, `#[unsafe(export_name = "realloc")]`, or `#[link_name = "realloc"]`
[INFO] [stdout]      = help: allow this lint if the signature is compatible
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] warning: unused dependency `version-compare`
[INFO] [stderr]   --> Cargo.toml:24:21
[INFO] [stderr]    |
[INFO] [stderr] 24 | [build-dependencies.version-compare]
[INFO] [stderr]    |                     ^^^^^^^^^^^^^^^^
[INFO] [stderr]    |
[INFO] [stderr]    = note: `cargo::unused_dependencies` is set to `warn` by default
[INFO] [stderr] help: consider removing the dependency on `version-compare`
[INFO] [stderr] warning: `sdl2-sys` (manifest) generated 1 warning
[INFO] running `Command { std: "docker" "inspect" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829", kill_on_drop: false }`
[INFO] [stdout] 1cec0a750a76c89c06620025acaa5d3238391e3c029b4f4e484ad3ab81286829
