[INFO] cloning repository https://github.com/kasper0406/neuralnetwork [INFO] running `"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"` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Fneuralnetwork'... [INFO] running `"git" "rev-parse" "HEAD"` [INFO] [stdout] 848aac140f26e660aa96adf3bc3d1cbc1fd45a86 [INFO] checking kasper0406/neuralnetwork against master#45d050cde277b22a755847338f2acc2c7b834141 for pr-71393 [INFO] running `"git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fkasper0406%2Fneuralnetwork" "/workspace/builds/worker-10/source"` [INFO] [stderr] Cloning into '/workspace/builds/worker-10/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/kasper0406/neuralnetwork on toolchain 45d050cde277b22a755847338f2acc2c7b834141 [INFO] running `"/workspace/cargo-home/bin/cargo" "+45d050cde277b22a755847338f2acc2c7b834141" "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-10/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" "+45d050cde277b22a755847338f2acc2c7b834141" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-10/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" "+45d050cde277b22a755847338f2acc2c7b834141" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 224578486f82093428c19d32f01013572a1c87f10452ec958f3feff9a1530c3a [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `"docker" "start" "-a" "224578486f82093428c19d32f01013572a1c87f10452ec958f3feff9a1530c3a"` [INFO] [stderr] Checking cfg-if v0.1.5 [INFO] [stderr] Checking scopeguard v0.3.3 [INFO] [stderr] Checking either v1.5.0 [INFO] [stderr] Checking memoffset v0.2.1 [INFO] [stderr] Compiling num-traits v0.2.5 [INFO] [stderr] Checking void v1.0.2 [INFO] [stderr] Checking foreign-types-shared v0.1.1 [INFO] [stderr] Checking stable_deref_trait v1.1.1 [INFO] [stderr] Compiling num-bigint v0.2.0 [INFO] [stderr] Checking bitflags v1.0.3 [INFO] [stderr] Compiling num-complex v0.2.0 [INFO] [stderr] Checking ppv-lite86 v0.2.5 [INFO] [stderr] Checking itoa v0.4.3 [INFO] [stderr] Compiling digits v0.1.0 (/opt/rustwide/workdir) [INFO] [stderr] Checking bencher v0.1.5 [INFO] [stderr] Compiling objc_exception v0.1.1 [INFO] [stderr] Compiling proc-macro2 v0.4.20 [INFO] [stderr] Checking crossbeam-utils v0.2.2 [INFO] [stderr] Checking log v0.4.8 [INFO] [stderr] Checking num_cpus v1.8.0 [INFO] [stderr] Checking malloc_buf v0.0.6 [INFO] [stderr] Checking iovec v0.1.2 [INFO] [stderr] Checking rand v0.5.4 [INFO] [stderr] Checking getrandom v0.1.7 [INFO] [stderr] Checking bincode v1.0.1 [INFO] [stderr] Checking foreign-types v0.3.2 [INFO] [stderr] Checking owning_ref v0.3.3 [INFO] [stderr] Compiling parking_lot_core v0.3.1 [INFO] [stderr] Checking core-foundation v0.6.4 [INFO] [stderr] Checking crossbeam-epoch v0.6.0 [INFO] [stderr] Checking crossbeam-epoch v0.5.2 [INFO] [stderr] Checking unreachable v1.0.0 [INFO] [stderr] Checking serde_json v1.0.32 [INFO] [stderr] Checking futures-core-preview v0.2.3 [INFO] [stderr] Checking crossbeam-epoch v0.3.1 [INFO] [stderr] The following warnings were emitted during compilation: [INFO] [stderr] [INFO] [stderr] warning: cc: error trying to exec 'cc1obj': execvp: No such file or directory [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-79e21794b54c7770/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-60239eed90a81db6/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-60239eed90a81db6/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: 0x5636ebe46e54 - backtrace::backtrace::libunwind::trace::hb657e419eb382f5a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x5636ebe46e54 - backtrace::backtrace::trace_unsynchronized::h63de2160a81d17d0 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5636ebe46e54 - std::sys_common::backtrace::_print_fmt::hc542595b8774416c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x5636ebe46e54 - ::fmt::h8b5627db94fbf233 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5636ebe6c6ec - core::fmt::write::h7b159f05674a9488 [INFO] [stderr] at src/libcore/fmt/mod.rs:1069 [INFO] [stderr] 5: 0x5636ebe431d3 - std::io::Write::write_fmt::h8379227660cddc2e [INFO] [stderr] at src/libstd/io/mod.rs:1504 [INFO] [stderr] 6: 0x5636ebe49695 - std::sys_common::backtrace::_print::hb3b286bfcc94e0bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5636ebe49695 - std::sys_common::backtrace::print::hd75a13b009bc2bde [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5636ebe49695 - std::panicking::default_hook::{{closure}}::h95885250e71c9db2 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x5636ebe493d2 - std::panicking::default_hook::h9c7a080b2c36bec1 [INFO] [stderr] at src/libstd/panicking.rs:218 [INFO] [stderr] 10: 0x5636ebe49ca2 - std::panicking::rust_panic_with_hook::h3a55f8a9f7c957a1 [INFO] [stderr] at src/libstd/panicking.rs:511 [INFO] [stderr] 11: 0x5636ebe4988b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:419 [INFO] [stderr] 12: 0x5636ebe497fb - std::panicking::begin_panic_fmt::h75248d4e7418d186 [INFO] [stderr] at src/libstd/panicking.rs:373 [INFO] [stderr] 13: 0x5636ebe0c397 - gcc::fail::h1955fda972d9f922 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x5636ebdfddce - gcc::Build::compile::ha596a84a4e80eea1 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x5636ebdfa0f3 - gcc::compile_library::h5555f0edae018bbc [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:243 [INFO] [stderr] 16: 0x5636ebdf9a25 - build_script_build::main::h4f32ff36f79a9695 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/objc_exception-0.1.1/build.rs:4 [INFO] [stderr] 17: 0x5636ebdf99eb - std::rt::lang_start::{{closure}}::h43e086f55c561d79 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x5636ebe4a0e8 - std::rt::lang_start_internal::{{closure}}::h976a57c2451b294c [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x5636ebe4a0e8 - std::panicking::try::do_call::he5f80a3843ae2933 [INFO] [stderr] at src/libstd/panicking.rs:331 [INFO] [stderr] 20: 0x5636ebe4a0e8 - std::panicking::try::h3e0cfec6df77fa26 [INFO] [stderr] at src/libstd/panicking.rs:274 [INFO] [stderr] 21: 0x5636ebe4a0e8 - std::panic::catch_unwind::h6f2dd2e86d8bf8b6 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x5636ebe4a0e8 - std::rt::lang_start_internal::hb175d88e70ae7611 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x5636ebdf99c7 - std::rt::lang_start::hf1ce1d824a709c01 [INFO] [stderr] at /rustc/45d050cde277b22a755847338f2acc2c7b834141/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x5636ebdf9a5a - main [INFO] [stderr] 25: 0x7f7f4b157b97 - __libc_start_main [INFO] [stderr] 26: 0x5636ebdf97da - _start [INFO] [stderr] 27: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "224578486f82093428c19d32f01013572a1c87f10452ec958f3feff9a1530c3a"` [INFO] running `"docker" "rm" "-f" "224578486f82093428c19d32f01013572a1c87f10452ec958f3feff9a1530c3a"` [INFO] [stdout] 224578486f82093428c19d32f01013572a1c87f10452ec958f3feff9a1530c3a