[INFO] cloning repository https://github.com/kasper0406/neuralnetwork
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/kasper0406/neuralnetwork" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Fneuralnetwork", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Fneuralnetwork'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 848aac140f26e660aa96adf3bc3d1cbc1fd45a86
[INFO] building kasper0406/neuralnetwork against master#ff34b919075f35a1787659e9c448a34b06bab8de for issue-85264
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Fneuralnetwork" "/workspace/builds/worker-5/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-5/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/kasper0406/neuralnetwork on toolchain ff34b919075f35a1787659e9c448a34b06bab8de
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[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-5/source/Cargo.toml
[INFO] crate git repo https://github.com/kasper0406/neuralnetwork already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 563eece475c05d324a8f12b2a0ca90d300b21d028302878b184ff619e2213cca
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "563eece475c05d324a8f12b2a0ca90d300b21d028302878b184ff619e2213cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "563eece475c05d324a8f12b2a0ca90d300b21d028302878b184ff619e2213cca", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "563eece475c05d324a8f12b2a0ca90d300b21d028302878b184ff619e2213cca", kill_on_drop: false }`
[INFO] [stdout] 563eece475c05d324a8f12b2a0ca90d300b21d028302878b184ff619e2213cca
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-5/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" "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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+ff34b919075f35a1787659e9c448a34b06bab8de" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] b1bf964ca4535f513e0ab2eac5a455d0a7c8e559719a75d675b81132b43df3ad
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "b1bf964ca4535f513e0ab2eac5a455d0a7c8e559719a75d675b81132b43df3ad", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.60
[INFO] [stderr]    Compiling scopeguard v0.3.3
[INFO] [stderr]    Compiling nodrop v0.1.12
[INFO] [stderr]    Compiling either v1.5.0
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling memoffset v0.2.1
[INFO] [stderr]    Compiling num-traits v0.2.5
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling core-foundation-sys v0.6.2
[INFO] [stderr]    Compiling void v1.0.2
[INFO] [stderr]    Compiling stable_deref_trait v1.1.1
[INFO] [stderr]    Compiling rand_core v0.2.1
[INFO] [stderr]    Compiling proc-macro2 v0.4.20
[INFO] [stderr]    Compiling foreign-types-shared v0.1.1
[INFO] [stderr]    Compiling block v0.1.6
[INFO] [stderr]    Compiling rayon-core v1.4.1
[INFO] [stderr]    Compiling bitflags v1.0.3
[INFO] [stderr]    Compiling serde v1.0.79
[INFO] [stderr]    Compiling unicode-xid v0.1.0
[INFO] [stderr]    Compiling num-bigint v0.2.0
[INFO] [stderr]    Compiling log v0.4.8
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]    Compiling num-complex v0.2.0
[INFO] [stderr]    Compiling ryu v0.2.6
[INFO] [stderr]    Compiling num-iter v0.1.37
[INFO] [stderr]    Compiling digits v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]    Compiling bencher v0.1.5
[INFO] [stderr]    Compiling c2-chacha v0.2.2
[INFO] [stderr]    Compiling owning_ref v0.3.3
[INFO] [stderr]    Compiling arrayvec v0.4.7
[INFO] [stderr]    Compiling futures-core-preview v0.2.3
[INFO] [stderr]    Compiling foreign-types v0.3.2
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]    Compiling unreachable v1.0.0
[INFO] [stderr]    Compiling smallvec v0.6.5
[INFO] [stderr]    Compiling lock_api v0.1.4
[INFO] [stderr]    Compiling rayon v1.0.2
[INFO] [stderr]    Compiling futures-channel-preview v0.2.2
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling futures-sink-preview v0.2.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.3.1
[INFO] [stderr]    Compiling crossbeam-epoch v0.5.2
[INFO] [stderr]    Compiling crossbeam-epoch v0.6.0
[INFO] [stderr]    Compiling quote v0.6.8
[INFO] [stderr]    Compiling objc_exception v0.1.1
[INFO] [stderr]    Compiling parking_lot_core v0.3.1
[INFO] [stderr]    Compiling malloc_buf v0.0.6
[INFO] [stderr]    Compiling num_cpus v1.8.0
[INFO] [stderr]    Compiling iovec v0.1.2
[INFO] [stderr]    Compiling rand v0.5.4
[INFO] [stderr]    Compiling core-foundation v0.6.4
[INFO] [stderr]    Compiling getrandom v0.1.7
[INFO] [stderr]    Compiling syn v0.15.9
[INFO] [stderr]    Compiling futures-io-preview v0.2.2
[INFO] [stderr]    Compiling crossbeam-deque v0.5.2
[INFO] [stderr]    Compiling num-integer v0.1.39
[INFO] [stderr] The following warnings were emitted during compilation:
[INFO] [stderr] 
[INFO] [stderr] warning: cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr] warning: compilation terminated.
[INFO] [stderr] 
[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-5f51e5f1c6209e01/build-script-build` (exit status: 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-ab8f66bf20a4a12b/out/extern/exception.o" "-c" "extern/exception.m"
[INFO] [stderr]   cargo:warning=cc: fatal error: cannot execute 'cc1obj': execvp: No such file or directory
[INFO] [stderr]   cargo:warning=compilation terminated.
[INFO] [stderr]   exit status: 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-ab8f66bf20a4a12b/out/extern/exception.o" "-c" "extern/exception.m" with args "cc" did not execute successfully (status code exit status: 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:     0x55bf0f3b7250 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5
[INFO] [stderr]      1:     0x55bf0f3b7250 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55bf0f3b7250 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:67:5
[INFO] [stderr]      3:     0x55bf0f3b7250 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h1a8751bf59281272
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:46:22
[INFO] [stderr]      4:     0x55bf0f3d6b0f - core::fmt::write::h7aa6cd0067dca82a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/fmt/mod.rs:1094:17
[INFO] [stderr]      5:     0x55bf0f3b3db5 - std::io::Write::write_fmt::hd7dd3a1df9b6befb
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/io/mod.rs:1584:15
[INFO] [stderr]      6:     0x55bf0f3b91eb - std::sys_common::backtrace::_print::h551e9ec8a9fa8106
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:49:5
[INFO] [stderr]      7:     0x55bf0f3b91eb - std::sys_common::backtrace::print::ha4b1c5e95fa040b3
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:36:9
[INFO] [stderr]      8:     0x55bf0f3b91eb - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:208:50
[INFO] [stderr]      9:     0x55bf0f3b8ccd - std::panicking::default_hook::h3067e8318decd17a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:225:9
[INFO] [stderr]     10:     0x55bf0f3b979d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:591:17
[INFO] [stderr]     11:     0x55bf0f3b9397 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:497:13
[INFO] [stderr]     12:     0x55bf0f3b770c - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:141:18
[INFO] [stderr]     13:     0x55bf0f3b92f9 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:493:5
[INFO] [stderr]     14:     0x55bf0f367beb - std::panicking::begin_panic_fmt::hf43a0025042538e2
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:435:5
[INFO] [stderr]     15:     0x55bf0f37b213 - gcc::fail::hb07cc9daec6ac7d3
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr]     16:     0x55bf0f36d05c - gcc::Build::compile::h0b6475e3706d985b
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785:13
[INFO] [stderr]     17:     0x55bf0f36932f - gcc::compile_library::h5746499d8ba75e07
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:243:5
[INFO] [stderr]     18:     0x55bf0f368c0f - build_script_build::main::hbdf0c585277bbc73
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc_exception-0.1.1/build.rs:4:5
[INFO] [stderr]     19:     0x55bf0f368b6b - core::ops::function::FnOnce::call_once::h61cc2bd8eb15c3d9
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:227:5
[INFO] [stderr]     20:     0x55bf0f368c8e - std::sys_common::backtrace::__rust_begin_short_backtrace::h8b21c2ac3658a3dd
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/sys_common/backtrace.rs:125:18
[INFO] [stderr]     21:     0x55bf0f368bd1 - std::rt::lang_start::{{closure}}::h1d73f2654670b8f9
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:49:18
[INFO] [stderr]     22:     0x55bf0f3b9b9a - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h3b8c329143d7638a
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/core/src/ops/function.rs:259:13
[INFO] [stderr]     23:     0x55bf0f3b9b9a - std::panicking::try::do_call::h4b72c261b4eefc1b
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:379:40
[INFO] [stderr]     24:     0x55bf0f3b9b9a - std::panicking::try::h703d31b7896cbd49
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panicking.rs:343:19
[INFO] [stderr]     25:     0x55bf0f3b9b9a - std::panic::catch_unwind::h37cad9b35388a915
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/panic.rs:431:14
[INFO] [stderr]     26:     0x55bf0f3b9b9a - std::rt::lang_start_internal::hab5a8a909af4f90e
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:34:21
[INFO] [stderr]     27:     0x55bf0f368bb0 - std::rt::lang_start::h452c1b36ee441043
[INFO] [stderr]                                  at /rustc/ff34b919075f35a1787659e9c448a34b06bab8de/library/std/src/rt.rs:48:5
[INFO] [stderr]     28:     0x55bf0f368c3c - main
[INFO] [stderr]     29:     0x7fd6226080b3 - __libc_start_main
[INFO] [stderr]     30:     0x55bf0f368a1e - _start
[INFO] [stderr]     31:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "b1bf964ca4535f513e0ab2eac5a455d0a7c8e559719a75d675b81132b43df3ad", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "b1bf964ca4535f513e0ab2eac5a455d0a7c8e559719a75d675b81132b43df3ad", kill_on_drop: false }`
[INFO] [stdout] b1bf964ca4535f513e0ab2eac5a455d0a7c8e559719a75d675b81132b43df3ad
