[INFO] fetching crate cntk 0.2.1...
[INFO] checking cntk-0.2.1 against nightly-2024-02-05 for check-cfg
[INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-3-tc1/source
[INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntk 0.2.1
[INFO] finished tweaking crates.io crate cntk 0.2.1
[INFO] tweaked toml for crates.io crate cntk 0.2.1 written to /workspace/builds/worker-3-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded thread_local v0.3.6
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded rawpointer v0.1.0
[INFO] [stderr]   Downloaded utf8-ranges v1.0.5
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded num-complex v0.1.43
[INFO] [stderr]   Downloaded ucd-util v0.1.10
[INFO] [stderr]   Downloaded aho-corasick v0.6.10
[INFO] [stderr]   Downloaded itertools v0.7.11
[INFO] [stderr]   Downloaded ndarray v0.10.14
[INFO] [stderr]   Downloaded regex-syntax v0.5.6
[INFO] [stderr]   Downloaded regex v0.2.11
[INFO] [stderr]   Downloaded cpp v0.3.2
[INFO] [stderr]   Downloaded cpp_macros v0.3.2
[INFO] [stderr]   Downloaded cpp_synmap v0.3.0
[INFO] [stderr]   Downloaded cpp_build v0.3.2
[INFO] [stderr]   Downloaded cpp_synom v0.12.0
[INFO] [stderr]   Downloaded cpp_common v0.3.2
[INFO] [stderr]   Downloaded mnist v0.4.1
[INFO] [stderr]   Downloaded cpp_syn v0.12.0
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 562a0b42ab27182d21bc27468ac40b7325332e3e50cd9b9bb0f0b71dfbfbecd8
[INFO] running `Command { std: "docker" "start" "-a" "562a0b42ab27182d21bc27468ac40b7325332e3e50cd9b9bb0f0b71dfbfbecd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "562a0b42ab27182d21bc27468ac40b7325332e3e50cd9b9bb0f0b71dfbfbecd8", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "562a0b42ab27182d21bc27468ac40b7325332e3e50cd9b9bb0f0b71dfbfbecd8", kill_on_drop: false }`
[INFO] [stdout] 562a0b42ab27182d21bc27468ac40b7325332e3e50cd9b9bb0f0b71dfbfbecd8
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc1/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" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] e89d5480f5ce5b009ccb901397739833455b2b052d2bd73b89dd23f8b3e08876
[INFO] running `Command { std: "docker" "start" "-a" "e89d5480f5ce5b009ccb901397739833455b2b052d2bd73b89dd23f8b3e08876", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking mnist v0.4.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling cpp_common v0.3.2
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_build v0.3.2
[INFO] [stderr]    Compiling cpp_macros v0.3.2
[INFO] [stderr]    Compiling cntk v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cpp v0.3.2
[INFO] [stderr] error: failed to run custom build command for `cntk v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cntk-948a3a03eb977354/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]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   running: "g++-4.8" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/opt/rustwide/workdir" "-std=c++11" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/cntk-a9b713c4f86977a7/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-a9b713c4f86977a7/out/rust_cpp/cpp_closures.cpp"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gcc-0.3.55/src/lib.rs:1672:5:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Internal error occurred: Failed to find tool. Is `g++-4.8` installed?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x562b7bd0e6a6 - std::backtrace_rs::backtrace::libunwind::trace::heebc7766b165eb2a
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x562b7bd0e6a6 - std::backtrace_rs::backtrace::trace_unsynchronized::ha677020d8fc0296d
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x562b7bd0e6a6 - std::sys_common::backtrace::_print_fmt::hcaff2fd86a1aeaa3
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x562b7bd0e6a6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc2446d8aa0059188
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x562b7bd34210 - core::fmt::rt::Argument::fmt::h2fbb6454da37999b
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x562b7bd34210 - core::fmt::write::had96bdeda7d49d3a
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x562b7bd0b68f - std::io::Write::write_fmt::h30b1f36eea05b391
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/io/mod.rs:1849:15
[INFO] [stderr]      7:     0x562b7bd0e484 - std::sys_common::backtrace::_print::hc333bb91ae972137
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x562b7bd0e484 - std::sys_common::backtrace::print::h18fd3c71a95a3169
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x562b7bd0fd67 - std::panicking::default_hook::{{closure}}::ha3473f9bcb4e9a37
[INFO] [stderr]     10:     0x562b7bd0fac9 - std::panicking::default_hook::h23d9d43185db6584
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x562b7bd101f8 - std::panicking::rust_panic_with_hook::h94aceaa7df3a6edd
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x562b7bd100d2 - std::panicking::begin_panic_handler::{{closure}}::h9905d45d1d82fc42
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x562b7bd0eba6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb02085545dc143b9
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x562b7bd0fe24 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x562b7bb63925 - core::panicking::panic_fmt::h6dca3983f8a9f4d0
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x562b7bb88351 - gcc::fail::ha7cac852372768d9
[INFO] [stderr]     17:     0x562b7bb7b3bf - gcc::Build::compile::ha14217659ab2f889
[INFO] [stderr]     18:     0x562b7bb68a79 - cpp_build::Config::build::hb12cf3490fcc3c09
[INFO] [stderr]     19:     0x562b7bb68c33 - build_script_build::main::h1ca5e60e2617cead
[INFO] [stderr]     20:     0x562b7bb64793 - core::ops::function::FnOnce::call_once::hde00d237b64368a2
[INFO] [stderr]     21:     0x562b7bb64486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1c23b745898e569e
[INFO] [stderr]     22:     0x562b7bb64549 - std::rt::lang_start::{{closure}}::h89334ff2cf2cea42
[INFO] [stderr]     23:     0x562b7bd07451 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h298d8ff12ebcec8c
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x562b7bd07451 - std::panicking::try::do_call::hbd0ffb05da5bd343
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x562b7bd07451 - std::panicking::try::h11c9a152defd5d2a
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x562b7bd07451 - std::panic::catch_unwind::h0d6db2fa902b4d64
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x562b7bd07451 - std::rt::lang_start_internal::{{closure}}::hdcc09b4aad7ef821
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x562b7bd07451 - std::panicking::try::do_call::h3ffd2f162d60900f
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x562b7bd07451 - std::panicking::try::heeba82b9c3e190fb
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x562b7bd07451 - std::panic::catch_unwind::hdaab8f1c188f387f
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x562b7bd07451 - std::rt::lang_start_internal::h9989e088c48b7903
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x562b7bb64527 - std::rt::lang_start::h3aa492964140db82
[INFO] [stderr]     33:     0x562b7bb68ca5 - main
[INFO] [stderr]     34:     0x7fa2277d9d90 - <unknown>
[INFO] [stderr]     35:     0x7fa2277d9e40 - __libc_start_main
[INFO] [stderr]     36:     0x562b7bb64145 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "e89d5480f5ce5b009ccb901397739833455b2b052d2bd73b89dd23f8b3e08876", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "e89d5480f5ce5b009ccb901397739833455b2b052d2bd73b89dd23f8b3e08876", kill_on_drop: false }`
[INFO] [stdout] e89d5480f5ce5b009ccb901397739833455b2b052d2bd73b89dd23f8b3e08876
[INFO] checking cntk-0.2.1 against nightly-2024-02-05+rustflags=-Dunexpected_cfgs+cargoflags=-Zcheck-cfg for check-cfg
[INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-3-tc2/source
[INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain nightly-2024-02-05
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking crates.io crate cntk 0.2.1
[INFO] finished tweaking crates.io crate cntk 0.2.1
[INFO] tweaked toml for crates.io crate cntk 0.2.1 written to /workspace/builds/worker-3-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+nightly-2024-02-05" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 94d436a68c4d43aa8b1baafd8e8442785bcf5a82a91ea7035943a9e8b11c7c92
[INFO] running `Command { std: "docker" "start" "-a" "94d436a68c4d43aa8b1baafd8e8442785bcf5a82a91ea7035943a9e8b11c7c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "94d436a68c4d43aa8b1baafd8e8442785bcf5a82a91ea7035943a9e8b11c7c92", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "94d436a68c4d43aa8b1baafd8e8442785bcf5a82a91ea7035943a9e8b11c7c92", kill_on_drop: false }`
[INFO] [stdout] 94d436a68c4d43aa8b1baafd8e8442785bcf5a82a91ea7035943a9e8b11c7c92
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3-tc2/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 -Dunexpected_cfgs" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+nightly-2024-02-05" "check" "--frozen" "--all" "--all-targets" "--message-format=json" "-Zcheck-cfg", kill_on_drop: false }`
[INFO] [stdout] 29b7e0d24e7fb7697c1e2f5eb4bbf46e707ae5724ec3f3306b44040f95a64590
[INFO] running `Command { std: "docker" "start" "-a" "29b7e0d24e7fb7697c1e2f5eb4bbf46e707ae5724ec3f3306b44040f95a64590", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling unicode-xid v0.0.4
[INFO] [stderr]    Compiling quote v0.3.15
[INFO] [stderr]    Compiling num-traits v0.2.17
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking mnist v0.4.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking rand v0.3.23
[INFO] [stderr]    Compiling cpp_common v0.3.2
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_build v0.3.2
[INFO] [stderr]    Compiling cpp_macros v0.3.2
[INFO] [stderr]    Compiling cntk v0.2.1 (/opt/rustwide/workdir)
[INFO] [stderr]     Checking cpp v0.3.2
[INFO] [stderr] error: failed to run custom build command for `cntk v0.2.1 (/opt/rustwide/workdir)`
[INFO] [stderr] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation.
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/cntk-948a3a03eb977354/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]   TARGET = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   HOST = Some("x86_64-unknown-linux-gnu")
[INFO] [stderr]   CXXFLAGS_x86_64-unknown-linux-gnu = None
[INFO] [stderr]   CXXFLAGS_x86_64_unknown_linux_gnu = None
[INFO] [stderr]   HOST_CXXFLAGS = None
[INFO] [stderr]   CXXFLAGS = None
[INFO] [stderr]   DEBUG = Some("true")
[INFO] [stderr]   running: "g++-4.8" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/opt/rustwide/workdir" "-std=c++11" "-Wall" "-Wextra" "-o" "/opt/rustwide/target/debug/build/cntk-a9b713c4f86977a7/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-a9b713c4f86977a7/out/rust_cpp/cpp_closures.cpp"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gcc-0.3.55/src/lib.rs:1672:5:
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   Internal error occurred: Failed to find tool. Is `g++-4.8` installed?
[INFO] [stderr] 
[INFO] [stderr] 
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55c2934ef6a6 - std::backtrace_rs::backtrace::libunwind::trace::heebc7766b165eb2a
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55c2934ef6a6 - std::backtrace_rs::backtrace::trace_unsynchronized::ha677020d8fc0296d
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55c2934ef6a6 - std::sys_common::backtrace::_print_fmt::hcaff2fd86a1aeaa3
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55c2934ef6a6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hc2446d8aa0059188
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55c293515210 - core::fmt::rt::Argument::fmt::h2fbb6454da37999b
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55c293515210 - core::fmt::write::had96bdeda7d49d3a
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55c2934ec68f - std::io::Write::write_fmt::h30b1f36eea05b391
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/io/mod.rs:1849:15
[INFO] [stderr]      7:     0x55c2934ef484 - std::sys_common::backtrace::_print::hc333bb91ae972137
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55c2934ef484 - std::sys_common::backtrace::print::h18fd3c71a95a3169
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55c2934f0d67 - std::panicking::default_hook::{{closure}}::ha3473f9bcb4e9a37
[INFO] [stderr]     10:     0x55c2934f0ac9 - std::panicking::default_hook::h23d9d43185db6584
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55c2934f11f8 - std::panicking::rust_panic_with_hook::h94aceaa7df3a6edd
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55c2934f10d2 - std::panicking::begin_panic_handler::{{closure}}::h9905d45d1d82fc42
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55c2934efba6 - std::sys_common::backtrace::__rust_end_short_backtrace::hb02085545dc143b9
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55c2934f0e24 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55c293344925 - core::panicking::panic_fmt::h6dca3983f8a9f4d0
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55c293369351 - gcc::fail::ha7cac852372768d9
[INFO] [stderr]     17:     0x55c29335c3bf - gcc::Build::compile::ha14217659ab2f889
[INFO] [stderr]     18:     0x55c293349a79 - cpp_build::Config::build::hb12cf3490fcc3c09
[INFO] [stderr]     19:     0x55c293349c33 - build_script_build::main::h1ca5e60e2617cead
[INFO] [stderr]     20:     0x55c293345793 - core::ops::function::FnOnce::call_once::hde00d237b64368a2
[INFO] [stderr]     21:     0x55c293345486 - std::sys_common::backtrace::__rust_begin_short_backtrace::h1c23b745898e569e
[INFO] [stderr]     22:     0x55c293345549 - std::rt::lang_start::{{closure}}::h89334ff2cf2cea42
[INFO] [stderr]     23:     0x55c2934e8451 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h298d8ff12ebcec8c
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55c2934e8451 - std::panicking::try::do_call::hbd0ffb05da5bd343
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55c2934e8451 - std::panicking::try::h11c9a152defd5d2a
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55c2934e8451 - std::panic::catch_unwind::h0d6db2fa902b4d64
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55c2934e8451 - std::rt::lang_start_internal::{{closure}}::hdcc09b4aad7ef821
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55c2934e8451 - std::panicking::try::do_call::h3ffd2f162d60900f
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55c2934e8451 - std::panicking::try::heeba82b9c3e190fb
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55c2934e8451 - std::panic::catch_unwind::hdaab8f1c188f387f
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55c2934e8451 - std::rt::lang_start_internal::h9989e088c48b7903
[INFO] [stderr]                                  at /rustc/268dbbbc4b3fd71c5f360a4d0728295252430b5b/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55c293345527 - std::rt::lang_start::h3aa492964140db82
[INFO] [stderr]     33:     0x55c293349ca5 - main
[INFO] [stderr]     34:     0x7fdf21956d90 - <unknown>
[INFO] [stderr]     35:     0x7fdf21956e40 - __libc_start_main
[INFO] [stderr]     36:     0x55c293345145 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "29b7e0d24e7fb7697c1e2f5eb4bbf46e707ae5724ec3f3306b44040f95a64590", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29b7e0d24e7fb7697c1e2f5eb4bbf46e707ae5724ec3f3306b44040f95a64590", kill_on_drop: false }`
[INFO] [stdout] 29b7e0d24e7fb7697c1e2f5eb4bbf46e707ae5724ec3f3306b44040f95a64590
