[INFO] crate cntk 0.2.1 is already in cache [INFO] extracting crate cntk 0.2.1 into work/ex/beta-1.38-1/sources/1.37.0/reg/cntk/0.2.1 [INFO] extracting crate cntk 0.2.1 into work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cntk/0.2.1 [INFO] validating manifest of cntk-0.2.1 on toolchain 1.37.0 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] validating manifest of cntk-0.2.1 on toolchain beta-2019-08-13 [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "read-manifest" "--manifest-path" "Cargo.toml"` [INFO] started frobbing cntk-0.2.1 [INFO] finished frobbing cntk-0.2.1 [INFO] frobbed toml for cntk-0.2.1 written to work/ex/beta-1.38-1/sources/1.37.0/reg/cntk/0.2.1/Cargo.toml [INFO] started frobbing cntk-0.2.1 [INFO] finished frobbing cntk-0.2.1 [INFO] frobbed toml for cntk-0.2.1 written to work/ex/beta-1.38-1/sources/beta-2019-08-13/reg/cntk/0.2.1/Cargo.toml [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.37.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-08-13" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] testing cntk-0.2.1 against 1.37.0 for beta-1.38-1 [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.38-1/worker-0/1.37.0:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.38-1/sources/1.37.0/reg/cntk/0.2.1:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+1.37.0" "build" "--frozen"` [INFO] [stdout] 3e99d376e646c7d7d60e9372832db1651468cdf52e678b00fb9cbd787c6000cb [INFO] running `"docker" "start" "-a" "3e99d376e646c7d7d60e9372832db1651468cdf52e678b00fb9cbd787c6000cb"` [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling cpp_synmap v0.3.0 [INFO] [stderr] Compiling cpp_common v0.3.2 [INFO] [stderr] Compiling cpp_macros v0.3.2 [INFO] [stderr] Compiling cpp_build v0.3.2 [INFO] [stderr] Compiling cpp v0.3.2 [INFO] [stderr] Compiling cntk v0.2.1 (/opt/crater/workdir) [INFO] [stderr] error: failed to run custom build command for `cntk v0.2.1 (/opt/crater/workdir)` [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/crater/target/debug/build/cntk-6ec65b7c931008dd/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/crater/workdir" "-std=c++11" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/cntk-7e2bfdef9ba680d0/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/cntk-7e2bfdef9ba680d0/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/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5 [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557c0fb9b9fb - backtrace::backtrace::libunwind::trace::hfe5db90796807973 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x557c0fb9b9fb - backtrace::backtrace::trace_unsynchronized::h34b865a835594335 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x557c0fb9b9fb - std::sys_common::backtrace::_print::h527254ae44989167 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:47 [INFO] [stderr] 3: 0x557c0fb9b9fb - std::sys_common::backtrace::print::he85dd5ddddf46503 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:36 [INFO] [stderr] 4: 0x557c0fb9b9fb - std::panicking::default_hook::{{closure}}::h847a2eb38b396f14 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 5: 0x557c0fb9b6d7 - std::panicking::default_hook::h2ca0f9a30a0e206b [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 6: 0x557c0fb9c120 - std::panicking::rust_panic_with_hook::hffcefc09751839d1 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 7: 0x557c0fb9bca2 - std::panicking::continue_panic_fmt::hc0f142c930c846fc [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 8: 0x557c0fb9bbef - std::panicking::begin_panic_fmt::ha6acf0ffd6d7f80d [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 9: 0x557c0f945106 - gcc::fail::h88bd4f845e02c6b7 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 10: 0x557c0f9347cc - gcc::Build::compile::hd21e427e1f49959b [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 11: 0x557c0f916f71 - cpp_build::Config::build::hd590b0ee0be71119 [INFO] [stderr] at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 12: 0x557c0f9172d3 - build_script_build::main::h5e6a36f24ac6cf19 [INFO] [stderr] at /opt/crater/workdir/build.rs:6 [INFO] [stderr] 13: 0x557c0f9178c0 - std::rt::lang_start::{{closure}}::h9f985aabd231a3e1 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 14: 0x557c0fb9bb73 - std::rt::lang_start_internal::{{closure}}::h447d8812e3ee306d [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 15: 0x557c0fb9bb73 - std::panicking::try::do_call::h4a61cb372364c745 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 16: 0x557c0fba45ca - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:82 [INFO] [stderr] 17: 0x557c0fb9c62d - std::panicking::try::hdf71f938885bca42 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 18: 0x557c0fb9c62d - std::panic::catch_unwind::h7e85dbf162b1611a [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 19: 0x557c0fb9c62d - std::rt::lang_start_internal::h1e06cc26b9fc25ea [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 20: 0x557c0f917899 - std::rt::lang_start::hb331e887918c7783 [INFO] [stderr] at /rustc/eae3437dfe991621e8afdc82734f4a172d7ddf9b/src/libstd/rt.rs:64 [INFO] [stderr] 21: 0x557c0f91735a - main [INFO] [stderr] 22: 0x7f6a9402f2e1 - __libc_start_main [INFO] [stderr] 23: 0x557c0f91062a - _start [INFO] [stderr] 24: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "3e99d376e646c7d7d60e9372832db1651468cdf52e678b00fb9cbd787c6000cb"` [INFO] running `"docker" "rm" "-f" "3e99d376e646c7d7d60e9372832db1651468cdf52e678b00fb9cbd787c6000cb"` [INFO] [stdout] 3e99d376e646c7d7d60e9372832db1651468cdf52e678b00fb9cbd787c6000cb