[INFO] crate cntk 0.2.1 is already in cache [INFO] checking cntk-0.2.1 against master#6250d56355d72264ece721e8d0dc95b16a6824b1 for pr-68350 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-2/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 6250d56355d72264ece721e8d0dc95b16a6824b1 [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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 /workspace/builds/worker-2/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/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" "+6250d56355d72264ece721e8d0dc95b16a6824b1" "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] df96da16b2af6c2d477b35992ced8c1227a73ba34b2149526049f1f6c75fb743 [INFO] running `"docker" "start" "-a" "df96da16b2af6c2d477b35992ced8c1227a73ba34b2149526049f1f6c75fb743"` [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling aho-corasick v0.6.10 [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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/cntk-140ba7416c267bb5/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-efd531ec5d8936c2/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-efd531ec5d8936c2/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: 0x5605d4351c24 - backtrace::backtrace::libunwind::trace::hc26826043b7bf82f [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5605d4351c24 - backtrace::backtrace::trace_unsynchronized::hf9fe7343abcf3b6a [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5605d4351c24 - std::sys_common::backtrace::_print_fmt::hf5f83f377bc8d868 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5605d4351c24 - ::fmt::hb2a7a6aa1b182a99 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5605d4370f9c - core::fmt::write::hc09f142ab04e56d2 [INFO] [stderr] at src/libcore/fmt/mod.rs:1057 [INFO] [stderr] 5: 0x5605d434df17 - std::io::Write::write_fmt::hafa429c292548705 [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x5605d4354505 - std::sys_common::backtrace::_print::hcf3fff603fe810fd [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5605d4354505 - std::sys_common::backtrace::print::h5ea515a32d6700a5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5605d4354505 - std::panicking::default_hook::{{closure}}::h324ce5172a1777e2 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5605d43541f1 - std::panicking::default_hook::h6593dbc4932c953a [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5605d4354b1a - std::panicking::rust_panic_with_hook::h04729d51ab5f86cb [INFO] [stderr] at src/libstd/panicking.rs:472 [INFO] [stderr] 11: 0x5605d4354700 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x5605d435467b - std::panicking::begin_panic_fmt::haa61c34186b2a59d [INFO] [stderr] at src/libstd/panicking.rs:334 [INFO] [stderr] 13: 0x5605d40f5b2c - gcc::fail::h83944a9f2850b510 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x5605d40e57b1 - gcc::Build::compile::haa1255804cf5632b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x5605d40c902b - cpp_build::Config::build::hf0e6eae59d0421b6 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x5605d40c9653 - build_script_build::main::h8cbb6f5548b41f4a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x5605d40c9760 - std::rt::lang_start::{{closure}}::h38496696f3271100 [INFO] [stderr] at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x5605d4354633 - std::rt::lang_start_internal::{{closure}}::h5c17144678350141 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x5605d4354633 - std::panicking::try::do_call::h8eaf10466ef75c80 [INFO] [stderr] at src/libstd/panicking.rs:305 [INFO] [stderr] 20: 0x5605d435d1b7 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 21: 0x5605d4354fc0 - std::panicking::try::hbd218b3dcbe12757 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 22: 0x5605d4354fc0 - std::panic::catch_unwind::h0175a6dbda08cacb [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x5605d4354fc0 - std::rt::lang_start_internal::h09fd43f7d6ed11c7 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 24: 0x5605d40c9739 - std::rt::lang_start::h32991c0d093e2e76 [INFO] [stderr] at /rustc/6250d56355d72264ece721e8d0dc95b16a6824b1/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x5605d40c96ea - main [INFO] [stderr] 26: 0x7fda3627bb97 - __libc_start_main [INFO] [stderr] 27: 0x5605d40c2f5a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "df96da16b2af6c2d477b35992ced8c1227a73ba34b2149526049f1f6c75fb743"` [INFO] running `"docker" "rm" "-f" "df96da16b2af6c2d477b35992ced8c1227a73ba34b2149526049f1f6c75fb743"` [INFO] [stdout] df96da16b2af6c2d477b35992ced8c1227a73ba34b2149526049f1f6c75fb743