[INFO] fetching crate cntk 0.2.1... [INFO] checking cntk-0.2.1 against master#c724b67e1b474262917a5154d74e7072267593fe for pr-74315 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-4/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain c724b67e1b474262917a5154d74e7072267593fe [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "read-manifest" "--manifest-path" "Cargo.toml", 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-4/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 65dd886d5d28a231e22b9ce5643f9259343fd2071cac633a5f38eb30fb966568 [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" "65dd886d5d28a231e22b9ce5643f9259343fd2071cac633a5f38eb30fb966568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "65dd886d5d28a231e22b9ce5643f9259343fd2071cac633a5f38eb30fb966568", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "65dd886d5d28a231e22b9ce5643f9259343fd2071cac633a5f38eb30fb966568", kill_on_drop: false }` [INFO] [stdout] 65dd886d5d28a231e22b9ce5643f9259343fd2071cac633a5f38eb30fb966568 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-4/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@sha256:d9fbb4e2287ab3795bdefaf705efb7541a8875c13bce71e067d6b01dc5ed759b" "/opt/rustwide/cargo-home/bin/cargo" "+c724b67e1b474262917a5154d74e7072267593fe" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] cb185409423bc301d85690f72ed63d74f58ef4427b1166ceae16a9baf2a074a3 [INFO] running `Command { std: "docker" "start" "-a" "cb185409423bc301d85690f72ed63d74f58ef4427b1166ceae16a9baf2a074a3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.73 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Compiling autocfg v1.0.0 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking either v1.5.3 [INFO] [stderr] Checking rawpointer v0.1.0 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking num-traits v0.1.43 [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-623982ad861ab12b/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-6791295fb086b95d/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-6791295fb086b95d/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: 0x557de0ee9195 - backtrace::backtrace::libunwind::trace::hea89dfbbfe67f40d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/libunwind.rs:86 [INFO] [stderr] 1: 0x557de0ee9195 - backtrace::backtrace::trace_unsynchronized::hc29c6e6df26d44d7 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.46/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x557de0ee9195 - std::sys_common::backtrace::_print_fmt::h4c9f4993b039bd03 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:78 [INFO] [stderr] 3: 0x557de0ee9195 - ::fmt::h91f5cfffa0da5a7a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x557de0f0ec5c - core::fmt::write::h540ac4a6a1232abc [INFO] [stderr] at src/libcore/fmt/mod.rs:1076 [INFO] [stderr] 5: 0x557de0ee5312 - std::io::Write::write_fmt::h5e28da8ce574bfe8 [INFO] [stderr] at src/libstd/io/mod.rs:1537 [INFO] [stderr] 6: 0x557de0eebe10 - std::sys_common::backtrace::_print::h0ceef71d03fb70bc [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x557de0eebe10 - std::sys_common::backtrace::print::h1bacb65357a70fca [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x557de0eebe10 - std::panicking::default_hook::{{closure}}::h249639eade443064 [INFO] [stderr] at src/libstd/panicking.rs:198 [INFO] [stderr] 9: 0x557de0eebb5c - std::panicking::default_hook::hbe64ddeb621910df [INFO] [stderr] at src/libstd/panicking.rs:217 [INFO] [stderr] 10: 0x557de0eec453 - std::panicking::rust_panic_with_hook::h16376479909ace6a [INFO] [stderr] at src/libstd/panicking.rs:526 [INFO] [stderr] 11: 0x557de0eec04b - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:437 [INFO] [stderr] 12: 0x557de0eebfbb - std::panicking::begin_panic_fmt::haa0f8c6fd703cf97 [INFO] [stderr] at src/libstd/panicking.rs:391 [INFO] [stderr] 13: 0x557de0d085f7 - gcc::fail::h71568064f50edd2b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x557de0cfa30e - gcc::Build::compile::h54e51d849e423439 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x557de0ce6f4d - cpp_build::Config::build::hf9484fee1abbc352 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x557de0ce7fd3 - build_script_build::main::he8fc23dd123f957f [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x557de0ce72db - std::rt::lang_start::{{closure}}::h0235b755c1c83265 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x557de0eec823 - std::rt::lang_start_internal::{{closure}}::h6d7ca43fc52cff4a [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x557de0eec823 - std::panicking::try::do_call::h89610ba8f4fbfe54 [INFO] [stderr] at src/libstd/panicking.rs:348 [INFO] [stderr] 20: 0x557de0eec823 - std::panicking::try::h69595087e4498dc2 [INFO] [stderr] at src/libstd/panicking.rs:325 [INFO] [stderr] 21: 0x557de0eec823 - std::panic::catch_unwind::ha2aa2ebd78a46e0d [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 22: 0x557de0eec823 - std::rt::lang_start_internal::h2ae59503bb8c048c [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 23: 0x557de0ce72b7 - std::rt::lang_start::h2d27fdc2bea0ee37 [INFO] [stderr] at /rustc/c724b67e1b474262917a5154d74e7072267593fe/src/libstd/rt.rs:67 [INFO] [stderr] 24: 0x557de0ce806a - main [INFO] [stderr] 25: 0x7ff19f0b80b3 - __libc_start_main [INFO] [stderr] 26: 0x557de0ce11ae - _start [INFO] [stderr] 27: 0x0 - [INFO] running `Command { std: "docker" "inspect" "cb185409423bc301d85690f72ed63d74f58ef4427b1166ceae16a9baf2a074a3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "cb185409423bc301d85690f72ed63d74f58ef4427b1166ceae16a9baf2a074a3", kill_on_drop: false }` [INFO] [stdout] cb185409423bc301d85690f72ed63d74f58ef4427b1166ceae16a9baf2a074a3