[INFO] fetching crate axe_fx_midi 0.1.0...
[INFO] testing axe_fx_midi-0.1.0 against beta-2022-04-10 for beta-1.61-1
[INFO] extracting crate axe_fx_midi 0.1.0 into /workspace/builds/worker-11/source
[INFO] validating manifest of crates.io crate axe_fx_midi 0.1.0 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] started tweaking crates.io crate axe_fx_midi 0.1.0
[INFO] finished tweaking crates.io crate axe_fx_midi 0.1.0
[INFO] tweaked toml for crates.io crate axe_fx_midi 0.1.0 written to /workspace/builds/worker-11/source/Cargo.toml
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }`
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta-2022-04-10" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 95a382840920e42727b36317f8e275fbc59955bf28d940a13b24512cbe9718b3
[INFO] running `Command { std: "docker" "start" "-a" "95a382840920e42727b36317f8e275fbc59955bf28d940a13b24512cbe9718b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "95a382840920e42727b36317f8e275fbc59955bf28d940a13b24512cbe9718b3", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "95a382840920e42727b36317f8e275fbc59955bf28d940a13b24512cbe9718b3", kill_on_drop: false }`
[INFO] [stdout] 95a382840920e42727b36317f8e275fbc59955bf28d940a13b24512cbe9718b3
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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] 4c8d4215321be684da2121192785b6e67b671bcb3d9ad9c1be4e00235b6a0ca2
[INFO] running `Command { std: "docker" "start" "-a" "4c8d4215321be684da2121192785b6e67b671bcb3d9ad9c1be4e00235b6a0ca2", kill_on_drop: false }`
[INFO] [stderr]    Compiling ascii v1.0.0
[INFO] [stderr]    Compiling axe_fx_midi v0.1.0 (/opt/rustwide/workdir)
[INFO] [stdout] warning: `extern` fn uses type `FractalModel`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:63:44
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub extern "C" fn get_preset_number(model: FractalModel) -> MidiMessage {
[INFO] [stdout]    |                                            ^^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = note: `#[warn(improper_ctypes_definitions)]` on by default
[INFO] [stdout]    = help: consider adding a `#[repr(C)]`, `#[repr(transparent)]`, or integer `#[repr(...)]` attribute to this enum
[INFO] [stdout]    = note: enum has no representation hint
[INFO] [stdout] note: the type is defined here
[INFO] [stdout]   --> src/parse.rs:4:1
[INFO] [stdout]    |
[INFO] [stdout] 4  | / pub enum FractalModel {
[INFO] [stdout] 5  | |     Standard,
[INFO] [stdout] 6  | |     Ultra,
[INFO] [stdout] 7  | |     MFC101,
[INFO] [stdout] ...  |
[INFO] [stdout] 15 | |     III,
[INFO] [stdout] 16 | | }
[INFO] [stdout]    | |_^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: `extern` fn uses type `Vec<u8>`, which is not FFI-safe
[INFO] [stdout]   --> src/lib.rs:63:61
[INFO] [stdout]    |
[INFO] [stdout] 63 | pub extern "C" fn get_preset_number(model: FractalModel) -> MidiMessage {
[INFO] [stdout]    |                                                             ^^^^^^^^^^^ not FFI-safe
[INFO] [stdout]    |
[INFO] [stdout]    = help: consider adding a `#[repr(C)]` or `#[repr(transparent)]` attribute to this struct
[INFO] [stdout]    = note: this struct has unspecified layout
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: 2 warnings emitted
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.98s
[INFO] running `Command { std: "docker" "inspect" "4c8d4215321be684da2121192785b6e67b671bcb3d9ad9c1be4e00235b6a0ca2", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "4c8d4215321be684da2121192785b6e67b671bcb3d9ad9c1be4e00235b6a0ca2", kill_on_drop: false }`
[INFO] [stdout] 4c8d4215321be684da2121192785b6e67b671bcb3d9ad9c1be4e00235b6a0ca2
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-11/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" "test" "--frozen" "--no-run" "--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] c634dc73da3ace728be6c45b6b23bd2eda920b47c0d93285c72984cb5b53fdef
[INFO] running `Command { std: "docker" "start" "-a" "c634dc73da3ace728be6c45b6b23bd2eda920b47c0d93285c72984cb5b53fdef", kill_on_drop: false }`
[INFO] [stderr]    Compiling core-foundation-sys v0.2.3
[INFO] [stderr]    Compiling coremidi-sys v2.0.2
[INFO] [stdout] error: native frameworks are only available on macOS targets
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `core-foundation-sys` due to 2 previous errors
[INFO] running `Command { std: "docker" "inspect" "c634dc73da3ace728be6c45b6b23bd2eda920b47c0d93285c72984cb5b53fdef", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "c634dc73da3ace728be6c45b6b23bd2eda920b47c0d93285c72984cb5b53fdef", kill_on_drop: false }`
[INFO] [stdout] c634dc73da3ace728be6c45b6b23bd2eda920b47c0d93285c72984cb5b53fdef