[INFO] crate cntk 0.2.1 is already in cache [INFO] checking cntk-0.2.1 against master#fe6d05a8b32f5c66c427ca524dbcce5a7145f87e for pr-64327 [INFO] extracting crate cntk 0.2.1 into work/builds/worker-2/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "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 work/builds/worker-2/source/Cargo.toml [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"/mnt/big/crater/work/cargo-home/bin/cargo" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/mnt/big/crater/work/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/mnt/big/crater/work/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=1000" "-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" "+fe6d05a8b32f5c66c427ca524dbcce5a7145f87e-alt" "check" "--frozen" "--all" "--all-targets"` [INFO] [stdout] 12f553f1a0ca5c29cad3a89942828fd792360f7a7b7a004de4040cb18ead23ce [INFO] running `"docker" "start" "-a" "12f553f1a0ca5c29cad3a89942828fd792360f7a7b7a004de4040cb18ead23ce"` [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Checking mnist v0.4.0 [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-29c3e786f1a4270d/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-83971981c4362a7a/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-83971981c4362a7a/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: 0x558083db5274 - backtrace::backtrace::libunwind::trace::h7b2a6b74301d37f0 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x558083db5274 - backtrace::backtrace::trace_unsynchronized::h89a5cf99a9618766 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.37/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558083db5274 - std::sys_common::backtrace::_print_fmt::h33a2346af837f531 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x558083db5274 - ::fmt::h4f658ab4e42d366e [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:61 [INFO] [stderr] 4: 0x558083dd66fc - core::fmt::write::hd5bbaf3e01e48326 [INFO] [stderr] at src/libcore/fmt/mod.rs:1030 [INFO] [stderr] 5: 0x558083db12e7 - std::io::Write::write_fmt::h6193b508653ddcc9 [INFO] [stderr] at src/libstd/io/mod.rs:1412 [INFO] [stderr] 6: 0x558083db7e85 - std::sys_common::backtrace::_print::he914b53d7a09a78d [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:65 [INFO] [stderr] 7: 0x558083db7e85 - std::sys_common::backtrace::print::h92a8cb6723718f63 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:50 [INFO] [stderr] 8: 0x558083db7e85 - std::panicking::default_hook::{{closure}}::hf505e0d7e2ecd403 [INFO] [stderr] at src/libstd/panicking.rs:200 [INFO] [stderr] 9: 0x558083db7b76 - std::panicking::default_hook::hc6772d9600f23c72 [INFO] [stderr] at src/libstd/panicking.rs:214 [INFO] [stderr] 10: 0x558083db8535 - std::panicking::rust_panic_with_hook::h7372d52cdbd74b87 [INFO] [stderr] at src/libstd/panicking.rs:477 [INFO] [stderr] 11: 0x558083db80d2 - std::panicking::continue_panic_fmt::h73b3f53425683dc6 [INFO] [stderr] at src/libstd/panicking.rs:384 [INFO] [stderr] 12: 0x558083db802c - std::panicking::begin_panic_fmt::h3326697be50bb4cb [INFO] [stderr] at src/libstd/panicking.rs:339 [INFO] [stderr] 13: 0x558083b59fa6 - gcc::fail::h97e612e86bbe4f04 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x558083b4a021 - gcc::Build::compile::hc2f827c9e7cd4cfc [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x558083b2c400 - cpp_build::Config::build::hebc3e62b2f204222 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x558083b2caa3 - build_script_build::main::hbe616f72c24d53d7 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x558083b2cba0 - std::rt::lang_start::{{closure}}::hbc82fc00a2787000 [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64 [INFO] [stderr] 18: 0x558083db7fb3 - std::rt::lang_start_internal::{{closure}}::h9d96e46706cace5b [INFO] [stderr] at src/libstd/rt.rs:49 [INFO] [stderr] 19: 0x558083db7fb3 - std::panicking::try::do_call::h35d84c71f56bf844 [INFO] [stderr] at src/libstd/panicking.rs:296 [INFO] [stderr] 20: 0x558083dc090a - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:80 [INFO] [stderr] 21: 0x558083db8a2d - std::panicking::try::h2c16ac107e4a3736 [INFO] [stderr] at src/libstd/panicking.rs:275 [INFO] [stderr] 22: 0x558083db8a2d - std::panic::catch_unwind::h61680e437015f378 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x558083db8a2d - std::rt::lang_start_internal::h9e089243f326ffce [INFO] [stderr] at src/libstd/rt.rs:48 [INFO] [stderr] 24: 0x558083b2cb79 - std::rt::lang_start::h787d8b13a2dde571 [INFO] [stderr] at /rustc/fe6d05a8b32f5c66c427ca524dbcce5a7145f87e/src/libstd/rt.rs:64 [INFO] [stderr] 25: 0x558083b2cb2a - main [INFO] [stderr] 26: 0x7fa701c92b97 - __libc_start_main [INFO] [stderr] 27: 0x558083b2637a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "12f553f1a0ca5c29cad3a89942828fd792360f7a7b7a004de4040cb18ead23ce"` [INFO] running `"docker" "rm" "-f" "12f553f1a0ca5c29cad3a89942828fd792360f7a7b7a004de4040cb18ead23ce"` [INFO] [stdout] 12f553f1a0ca5c29cad3a89942828fd792360f7a7b7a004de4040cb18ead23ce