[INFO] crate cntk 0.2.1 is already in cache [INFO] checking cntk-0.2.1 against try#bcff76bad586cfb6874f179a4b66448e6b8a832c for pr-66919 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-9/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain bcff76bad586cfb6874f179a4b66448e6b8a832c [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "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-9/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-9/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" "+bcff76bad586cfb6874f179a4b66448e6b8a832c" "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] 467fc62a48d724b10aac7c4b25c6953852d99863b781b8540f715fe64fada71a [INFO] running `"docker" "start" "-a" "467fc62a48d724b10aac7c4b25c6953852d99863b781b8540f715fe64fada71a"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [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] Checking rand v0.3.23 [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-f3d09f94b4fe92a0/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-9481bae408623b31/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-9481bae408623b31/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: 0x563956160064 - backtrace::backtrace::libunwind::trace::hdb33b6dcb5922a0d [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x563956160064 - backtrace::backtrace::trace_unsynchronized::h33511224bdc125e5 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x563956160064 - std::sys_common::backtrace::_print_fmt::hbb73a87c0ab402bb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:84 [INFO] [stderr] 3: 0x563956160064 - ::fmt::h7ff95c6d4ad994eb [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x56395618111c - core::fmt::write::hdeed34d0071e5a94 [INFO] [stderr] at src/libcore/fmt/mod.rs:1024 [INFO] [stderr] 5: 0x56395615c257 - std::io::Write::write_fmt::h787a1c2574c1b0ab [INFO] [stderr] at src/libstd/io/mod.rs:1428 [INFO] [stderr] 6: 0x5639561628be - std::sys_common::backtrace::_print::h2a62cfd468e9cb0c [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x5639561628be - std::sys_common::backtrace::print::h62356680b22282a5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x5639561628be - std::panicking::default_hook::{{closure}}::h24bf80d282643aa1 [INFO] [stderr] at src/libstd/panicking.rs:193 [INFO] [stderr] 9: 0x5639561625b1 - std::panicking::default_hook::he0d02e1c35b286d1 [INFO] [stderr] at src/libstd/panicking.rs:210 [INFO] [stderr] 10: 0x563956162f4b - std::panicking::rust_panic_with_hook::h01599ae4b1fddf60 [INFO] [stderr] at src/libstd/panicking.rs:471 [INFO] [stderr] 11: 0x563956162afe - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:375 [INFO] [stderr] 12: 0x563956162a40 - std::panicking::begin_panic_fmt::he7d986963e468fa0 [INFO] [stderr] at src/libstd/panicking.rs:326 [INFO] [stderr] 13: 0x563955f270d6 - gcc::fail::h8a1d75f97f63594d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x563955f16f61 - gcc::Build::compile::h5f4ea2102c6ddb8d [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x563955efc1b3 - cpp_build::Config::build::h26f7e89d0897010f [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x563955f00a93 - build_script_build::main::h0f627cd976d8cc5a [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x563955efc850 - std::rt::lang_start::{{closure}}::h16d4f2af993cfeb7 [INFO] [stderr] at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x5639561629e3 - std::rt::lang_start_internal::{{closure}}::hb8ca7eec2fc7bb65 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x5639561629e3 - std::panicking::try::do_call::h1a23bd66c69de968 [INFO] [stderr] at src/libstd/panicking.rs:292 [INFO] [stderr] 20: 0x56395616b50a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:81 [INFO] [stderr] 21: 0x5639561633e0 - std::panicking::try::h31907c0e13918a21 [INFO] [stderr] at src/libstd/panicking.rs:270 [INFO] [stderr] 22: 0x5639561633e0 - std::panic::catch_unwind::hc68dae81c92c5ad5 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x5639561633e0 - std::rt::lang_start_internal::h50af7e77b511e545 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 24: 0x563955efc829 - std::rt::lang_start::h2625322983805a91 [INFO] [stderr] at /rustc/bcff76bad586cfb6874f179a4b66448e6b8a832c/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x563955f00b1a - main [INFO] [stderr] 26: 0x7f21a0ef1b97 - __libc_start_main [INFO] [stderr] 27: 0x563955ef610a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "467fc62a48d724b10aac7c4b25c6953852d99863b781b8540f715fe64fada71a"` [INFO] running `"docker" "rm" "-f" "467fc62a48d724b10aac7c4b25c6953852d99863b781b8540f715fe64fada71a"` [INFO] [stdout] 467fc62a48d724b10aac7c4b25c6953852d99863b781b8540f715fe64fada71a