[INFO] crate cntk 0.2.1 is already in cache [INFO] checking cntk-0.2.1 against master#9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7 for pr-64564 [INFO] extracting crate cntk 0.2.1 into work/builds/worker-2/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "read-manifest" "--manifest-path" "Cargo.toml"` [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 work/builds/worker-2/source/Cargo.toml [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 4d9b6ef4699e134b47d5d932e5c5a94b89bcbf249963d56d347588bb99ad72b5 [INFO] running `"docker" "start" "-a" "4d9b6ef4699e134b47d5d932e5c5a94b89bcbf249963d56d347588bb99ad72b5"` [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Compiling cntk v0.2.1 (/opt/rustwide/workdir) [INFO] [stderr] Checking ndarray v0.10.14 [INFO] [stderr] error: failed to run custom build command for `cntk v0.2.1 (/opt/rustwide/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/cntk-3973e804dc74d3ee/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] 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-e88b3bfea5327742/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-e88b3bfea5327742/out/rust_cpp/cpp_closures.cpp" [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at ' [INFO] [stderr] [INFO] [stderr] Internal error occurred: Failed to find tool. Is `g++-4.8` installed? [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: 0x55d6596af8d4 - backtrace::backtrace::libunwind::trace::h3c777145747bb537 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x55d6596af8d4 - backtrace::backtrace::trace_unsynchronized::h66b9e4a5d8dcdac1 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x55d6596af8d4 - std::sys_common::backtrace::_print_fmt::h67af8761982571ce [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:76 [INFO] [stderr] 3: 0x55d6596af8d4 - ::fmt::hd2414c318764e035 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:60 [INFO] [stderr] 4: 0x55d6596d0d5c - core::fmt::write::h6b1d9e7d0caf83ef [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x55d6596ab957 - std::io::Write::write_fmt::h7d23ef4c2e86d894 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x55d6596b24e5 - std::sys_common::backtrace::_print::h95f9ce51820bb860 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:64 [INFO] [stderr] 7: 0x55d6596b24e5 - std::sys_common::backtrace::print::h60cdacab02cba05c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x55d6596b24e5 - std::panicking::default_hook::{{closure}}::hd6f0e16d93b9b5c8 [INFO] [stderr] at src/libstd/panicking.rs:196 [INFO] [stderr] 9: 0x55d6596b21d6 - std::panicking::default_hook::hd45736b469c8d928 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x55d6596b2b95 - std::panicking::rust_panic_with_hook::hcc17bc0996b76a4c [INFO] [stderr] at src/libstd/panicking.rs:473 [INFO] [stderr] 11: 0x55d6596b2732 - std::panicking::continue_panic_fmt::hacd60ce981312f06 [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x55d6596b268c - std::panicking::begin_panic_fmt::ha10e51743118097a [INFO] [stderr] at src/libstd/panicking.rs:335 [INFO] [stderr] 13: 0x55d659457696 - gcc::fail::hb78100a1c22bea93 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x55d659447711 - gcc::Build::compile::hdf36f4c6d292a9a8 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x55d659429c20 - cpp_build::Config::build::h32855821eb1e5b8d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x55d65942a2c3 - build_script_build::main::ha4822918a9c432d0 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x55d65942a3c0 - std::rt::lang_start::{{closure}}::h5ed69ef683c71349 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x55d6596b2613 - std::rt::lang_start_internal::{{closure}}::h677067c06c8055b2 [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x55d6596b2613 - std::panicking::try::do_call::h02b31030ec0cae5e [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x55d6596baf6a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x55d6596b308d - std::panicking::try::h3d608dc302373513 [INFO] [stderr] at src/libstd/panicking.rs:271 [INFO] [stderr] 22: 0x55d6596b308d - std::panic::catch_unwind::hbd3bc0654419de57 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x55d6596b308d - std::rt::lang_start_internal::hb18b97680fa7fcd0 [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x55d65942a399 - std::rt::lang_start::h250ca9f20a99b573 [INFO] [stderr] at /rustc/9b9d2aff8de4d499b4ba7ca406e000f8d3754ea7/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x55d65942a34a - main [INFO] [stderr] 26: 0x7fe85ffe3b97 - __libc_start_main [INFO] [stderr] 27: 0x55d659423b9a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] [stderr] warning: build failed, waiting for other jobs to finish... [INFO] [stderr] error: build failed [INFO] running `"docker" "inspect" "4d9b6ef4699e134b47d5d932e5c5a94b89bcbf249963d56d347588bb99ad72b5"` [INFO] running `"docker" "rm" "-f" "4d9b6ef4699e134b47d5d932e5c5a94b89bcbf249963d56d347588bb99ad72b5"` [INFO] [stdout] 4d9b6ef4699e134b47d5d932e5c5a94b89bcbf249963d56d347588bb99ad72b5