[INFO] crate cntk 0.2.1 is already in cache [INFO] checking cntk-0.2.1 against master#fdc0011561c6365c596dfd8fa1ef388162bc89c7 for pr-66504-1 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-1/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain fdc0011561c6365c596dfd8fa1ef388162bc89c7 [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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-1/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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-1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1/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" "+fdc0011561c6365c596dfd8fa1ef388162bc89c7" "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] 72d2d3929d4ca3c1177f3538bc12e9347adb6f427e0dbc6cc09ca92b837dd8f4 [INFO] running `"docker" "start" "-a" "72d2d3929d4ca3c1177f3538bc12e9347adb6f427e0dbc6cc09ca92b837dd8f4"` [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Compiling cpp_syn v0.12.0 [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-5e73ecc907a90d44/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" "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-f03a3c61ff2df563/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-f03a3c61ff2df563/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: 0x562279756104 - backtrace::backtrace::libunwind::trace::hc586f95f659e6084 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x562279756104 - backtrace::backtrace::trace_unsynchronized::ha9827fdb593fd967 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x562279756104 - std::sys_common::backtrace::_print_fmt::h00c888c95e07165a [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:84 [INFO] [stderr] 3: 0x562279756104 - ::fmt::h8407ffb2d059bc74 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x5622797771bc - core::fmt::write::h4165a12a3856465f [INFO] [stderr] at src/libcore/fmt/mod.rs:1024 [INFO] [stderr] 5: 0x5622797522f7 - std::io::Write::write_fmt::h499a0566ceaa0048 [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x56227975895e - std::sys_common::backtrace::_print::h05fbb11587298e2b [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x56227975895e - std::sys_common::backtrace::print::h8021a3ed2b5ff07e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x56227975895e - std::panicking::default_hook::{{closure}}::hd3a6326f5c6c149f [INFO] [stderr] at src/libstd/panicking.rs:193 [INFO] [stderr] 9: 0x562279758651 - std::panicking::default_hook::h7088fb00a0cb1faf [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x562279758feb - std::panicking::rust_panic_with_hook::h6b223bff7721d4c1 [INFO] [stderr] at src/libstd/panicking.rs:471 [INFO] [stderr] 11: 0x562279758b9e - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:375 [INFO] [stderr] 12: 0x562279758ae0 - std::panicking::begin_panic_fmt::h59cf5f25f21d7749 [INFO] [stderr] at src/libstd/panicking.rs:326 [INFO] [stderr] 13: 0x56227951d0f6 - gcc::fail::h5e588ca7e7942c78 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x56227950cf81 - gcc::Build::compile::h70b9dd8770cc8e75 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x5622794f21d3 - cpp_build::Config::build::h4fe6cef8380cc7c7 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x5622794f6ab3 - build_script_build::main::hee9d5a6ed3ac5732 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x5622794f2870 - std::rt::lang_start::{{closure}}::hf0bffd3c35d51971 [INFO] [stderr] at /rustc/fdc0011561c6365c596dfd8fa1ef388162bc89c7/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x562279758a83 - std::rt::lang_start_internal::{{closure}}::h1595fe6caeecd9df [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x562279758a83 - std::panicking::try::do_call::he30f1dd3074e47c0 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x5622797615aa - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:78 [INFO] [stderr] 21: 0x562279759480 - std::panicking::try::hf96e32b9e974850c [INFO] [stderr] at src/libstd/panicking.rs:270 [INFO] [stderr] 22: 0x562279759480 - std::panic::catch_unwind::h6019fde5b359e726 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x562279759480 - std::rt::lang_start_internal::he1a167fa2ebf85bc [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 24: 0x5622794f2849 - std::rt::lang_start::h502b2cc5cdd17840 [INFO] [stderr] at /rustc/fdc0011561c6365c596dfd8fa1ef388162bc89c7/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x5622794f6b3a - main [INFO] [stderr] 26: 0x7efdfb679b97 - __libc_start_main [INFO] [stderr] 27: 0x5622794ec12a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "72d2d3929d4ca3c1177f3538bc12e9347adb6f427e0dbc6cc09ca92b837dd8f4"` [INFO] running `"docker" "rm" "-f" "72d2d3929d4ca3c1177f3538bc12e9347adb6f427e0dbc6cc09ca92b837dd8f4"` [INFO] [stdout] 72d2d3929d4ca3c1177f3538bc12e9347adb6f427e0dbc6cc09ca92b837dd8f4