[INFO] updating cached repository https://github.com/kasper0406/neuralnetwork
[INFO] running `"git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "-c" "remote.origin.fetch=refs/heads/*:refs/heads/*" "fetch" "origin" "--force" "--prune"`
[INFO] running `"git" "rev-parse" "HEAD"`
[INFO] [stdout] 848aac140f26e660aa96adf3bc3d1cbc1fd45a86
[INFO] checking kasper0406/neuralnetwork against master#b61e69433951e31f7bd746e22f516a48ad41623b for prs-64470-and-65389
[INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Fneuralnetwork" "/workspace/builds/worker-8/source"`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kasper0406/neuralnetwork on toolchain b61e69433951e31f7bd746e22f516a48ad41623b
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking git repo https://github.com/kasper0406/neuralnetwork
[INFO] finished tweaking git repo https://github.com/kasper0406/neuralnetwork
[INFO] tweaked toml for git repo https://github.com/kasper0406/neuralnetwork written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/kasper0406/neuralnetwork already has a lockfile, it will not be regenerated
[INFO] running `"/workspace/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/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" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+b61e69433951e31f7bd746e22f516a48ad41623b" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 4cd0c02bae9527f91cc18aab6583b44e7ca991dff8b5c9d02b291b55bafb4fe3
[INFO] running `"docker" "start" "-a" "4cd0c02bae9527f91cc18aab6583b44e7ca991dff8b5c9d02b291b55bafb4fe3"`
[INFO] [stderr]     Checking either v1.5.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]     Checking block v0.1.6
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]     Checking itoa v0.4.3
[INFO] [stderr]    Compiling digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking byteorder v1.2.6
[INFO] [stderr]     Checking bencher v0.1.5
[INFO] [stderr]     Checking crossbeam-utils v0.2.2
[INFO] [stderr]     Checking c2-chacha v0.2.2
[INFO] [stderr]     Checking futures-core-preview v0.2.3
[INFO] [stderr]     Checking crossbeam-epoch v0.6.0
[INFO] [stderr]     Checking crossbeam-epoch v0.5.2
[INFO] [stderr]     Checking lock_api v0.1.4
[INFO] [stderr]     Checking crossbeam-epoch v0.3.1
[INFO] [stderr]     Checking log v0.4.8
[INFO] [stderr]     Checking futures-channel-preview v0.2.2
[INFO] [stderr]     Checking malloc_buf v0.0.6
[INFO] [stderr]     Checking num_cpus v1.8.0
[INFO] [stderr]     Checking rand v0.5.4
[INFO] [stderr]     Checking getrandom v0.1.7
[INFO] [stderr]     Checking futures-io-preview v0.2.2
[INFO] [stderr]     Checking rand_core v0.5.0
[INFO] [stderr]     Checking core-foundation v0.6.4
[INFO] [stderr]     Checking futures-sink-preview v0.2.2
[INFO] [stderr]     Checking crossbeam-deque v0.2.0
[INFO] [stderr]     Checking crossbeam-deque v0.5.2
[INFO] [stderr]     Checking rand_chacha v0.2.1
[INFO] [stderr]     Checking futures-util-preview v0.2.2
[INFO] [stderr]     Checking rayon-core v1.4.1
[INFO] [stderr]    Compiling objc_exception v0.1.1
[INFO] [stderr]     Checking rand v0.7.0
[INFO] [stderr]     Checking core-graphics v0.17.3
[INFO] [stderr] error: failed to run custom build command for `objc_exception v0.1.1`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/objc_exception-cc67339796f7c52f/build-script-build` (exit code: 101)
[INFO] [stderr] --- stdout
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] OPT_LEVEL = Some("0")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CC_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CC_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CC = None
[INFO] [stderr] CC = None
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr] CFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CFLAGS = None
[INFO] [stderr] CFLAGS = None
[INFO] [stderr] DEBUG = Some("true")
[INFO] [stderr] running: "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-cb8d94125506920e/out/extern/exception.o" "-c" "extern/exception.m"
[INFO] [stderr] cargo:warning=cc: error trying to exec 'cc1obj': execvp: No such file or directory
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "cc" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/objc_exception-cb8d94125506920e/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x55a620e49934 - backtrace::backtrace::libunwind::trace::h836120cb2cfba712
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x55a620e49934 - backtrace::backtrace::trace_unsynchronized::h363db4af51bde585
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x55a620e49934 - std::sys_common::backtrace::_print_fmt::h33a80c84a606d44e
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:76
[INFO] [stderr]    3:     0x55a620e49934 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc3acf58b6df6127f
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:60
[INFO] [stderr]    4:     0x55a620e69dec - core::fmt::write::hdef7f8cce8f6a662
[INFO] [stderr]                                at src/libcore/fmt/mod.rs:1028
[INFO] [stderr]    5:     0x55a620e45ae7 - std::io::Write::write_fmt::h42f193674aa0004e
[INFO] [stderr]                                at src/libstd/io/mod.rs:1412
[INFO] [stderr]    6:     0x55a620e4bef5 - std::sys_common::backtrace::_print::h5da26908d886b2c7
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:64
[INFO] [stderr]    7:     0x55a620e4bef5 - std::sys_common::backtrace::print::h8a6f66fe88800872
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:49
[INFO] [stderr]    8:     0x55a620e4bef5 - std::panicking::default_hook::{{closure}}::h2eebe3935948e7ad
[INFO] [stderr]                                at src/libstd/panicking.rs:196
[INFO] [stderr]    9:     0x55a620e4bbe6 - std::panicking::default_hook::h6b14b1c7e8865653
[INFO] [stderr]                                at src/libstd/panicking.rs:210
[INFO] [stderr]   10:     0x55a620e4c5a5 - std::panicking::rust_panic_with_hook::h41b9717c69a7f473
[INFO] [stderr]                                at src/libstd/panicking.rs:473
[INFO] [stderr]   11:     0x55a620e4c142 - std::panicking::continue_panic_fmt::ha3ba417ec3a5f012
[INFO] [stderr]                                at src/libstd/panicking.rs:380
[INFO] [stderr]   12:     0x55a620e4c09c - std::panicking::begin_panic_fmt::h602c5c3dcb40cb68
[INFO] [stderr]                                at src/libstd/panicking.rs:335
[INFO] [stderr]   13:     0x55a620e0a1a6 - gcc::fail::hb67b5d25da208b51
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]   14:     0x55a620dfa231 - gcc::Build::compile::h3b03b268164817ee
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]   15:     0x55a620df5bb0 - gcc::compile_library::h0ed0f91052c6e7a5
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:243
[INFO] [stderr]   16:     0x55a620df5395 - build_script_build::main::h440c3af6790ae7cb
[INFO] [stderr]                                at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc_exception-0.1.1/build.rs:4
[INFO] [stderr]   17:     0x55a620df54c0 - std::rt::lang_start::{{closure}}::ha4dc175f0bd7ae5f
[INFO] [stderr]                                at /rustc/b61e69433951e31f7bd746e22f516a48ad41623b/src/libstd/rt.rs:64
[INFO] [stderr]   18:     0x55a620e4c023 - std::rt::lang_start_internal::{{closure}}::h9d98976b820605e6
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   19:     0x55a620e4c023 - std::panicking::try::do_call::heb5bc60e15dbcb52
[INFO] [stderr]                                at src/libstd/panicking.rs:292
[INFO] [stderr]   20:     0x55a620e5414a - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:80
[INFO] [stderr]   21:     0x55a620e4ca9d - std::panicking::try::hf9b0b6a7905c4995
[INFO] [stderr]                                at src/libstd/panicking.rs:271
[INFO] [stderr]   22:     0x55a620e4ca9d - std::panic::catch_unwind::h4f7be31483141e83
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   23:     0x55a620e4ca9d - std::rt::lang_start_internal::h3053de7339f9193e
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   24:     0x55a620df5499 - std::rt::lang_start::h66090eb8588895f1
[INFO] [stderr]                                at /rustc/b61e69433951e31f7bd746e22f516a48ad41623b/src/libstd/rt.rs:64
[INFO] [stderr]   25:     0x55a620df53ca - main
[INFO] [stderr]   26:     0x7f4484b0eb97 - __libc_start_main
[INFO] [stderr]   27:     0x55a620df524a - _start
[INFO] [stderr]   28:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/color.rs:31:1
[INFO] [stderr]    |
[INFO] [stderr] 31 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]   --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/color_space.rs:54:1
[INFO] [stderr]    |
[INFO] [stderr] 54 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/context.rs:343:1
[INFO] [stderr]     |
[INFO] [stderr] 343 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/data_provider.rs:109:1
[INFO] [stderr]     |
[INFO] [stderr] 109 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/font.rs:128:1
[INFO] [stderr]     |
[INFO] [stderr] 128 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/geometry.rs:189:5
[INFO] [stderr]     |
[INFO] [stderr] 189 |     #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]     |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/image.rs:138:1
[INFO] [stderr]     |
[INFO] [stderr] 138 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error[E0455]: native frameworks are only available on macOS targets
[INFO] [stderr]    --> /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/core-graphics-0.17.3/src/path.rs:124:1
[INFO] [stderr]     |
[INFO] [stderr] 124 | #[link(name = "CoreGraphics", kind = "framework")]
[INFO] [stderr]     | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr] 
[INFO] [stderr] error: aborting due to 8 previous errors
[INFO] [stderr] 
[INFO] [stderr] For more information about this error, try `rustc --explain E0455`.
[INFO] [stderr] error: could not compile `core-graphics`.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `"docker" "inspect" "4cd0c02bae9527f91cc18aab6583b44e7ca991dff8b5c9d02b291b55bafb4fe3"`
[INFO] running `"docker" "rm" "-f" "4cd0c02bae9527f91cc18aab6583b44e7ca991dff8b5c9d02b291b55bafb4fe3"`
[INFO] [stdout] 4cd0c02bae9527f91cc18aab6583b44e7ca991dff8b5c9d02b291b55bafb4fe3