[INFO] crate cntk 0.2.1 is already in cache [INFO] checking cntk-0.2.1 against try#a243773eaf3fedcd203f10ae4579e4f106bf7ccd for pr-68325 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-7/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain a243773eaf3fedcd203f10ae4579e4f106bf7ccd [INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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-7/source/Cargo.toml [INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"` [INFO] running `"/workspace/cargo-home/bin/cargo" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "fetch" "--locked" "--manifest-path" "Cargo.toml"` [INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-7/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" "+a243773eaf3fedcd203f10ae4579e4f106bf7ccd" "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] 6fc1ce53a3954baa2f83821699aac217264445217c3b90cfa825872d67b3fb6b [INFO] running `"docker" "start" "-a" "6fc1ce53a3954baa2f83821699aac217264445217c3b90cfa825872d67b3fb6b"` [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Compiling memchr v2.3.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking mnist v0.4.0 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling aho-corasick v0.6.10 [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-ef95ccaa7d927361/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-82ca29d787d4c4f2/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-82ca29d787d4c4f2/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: 0x5648b781e504 - backtrace::backtrace::libunwind::trace::hfbeb01b07def3f05 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/libunwind.rs:88 [INFO] [stderr] 1: 0x5648b781e504 - backtrace::backtrace::trace_unsynchronized::h45f2e41cc54dcd88 [INFO] [stderr] at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.40/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x5648b781e504 - std::sys_common::backtrace::_print_fmt::hf5722840fcbb1187 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:77 [INFO] [stderr] 3: 0x5648b781e504 - ::fmt::ha9e99845bfb0ebce [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:59 [INFO] [stderr] 4: 0x5648b783d6fc - core::fmt::write::hc529a780634bfe15 [INFO] [stderr] at src/libcore/fmt/mod.rs:1052 [INFO] [stderr] 5: 0x5648b781a7f7 - std::io::Write::write_fmt::hd171fdefd1d3df69 [INFO] [stderr] at src/libstd/io/mod.rs:1426 [INFO] [stderr] 6: 0x5648b7820dd5 - std::sys_common::backtrace::_print::h8a5740dde9a43cd0 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:62 [INFO] [stderr] 7: 0x5648b7820dd5 - std::sys_common::backtrace::print::h5436dddfead7eae5 [INFO] [stderr] at src/libstd/sys_common/backtrace.rs:49 [INFO] [stderr] 8: 0x5648b7820dd5 - std::panicking::default_hook::{{closure}}::h3cc0af59c5ca4cc4 [INFO] [stderr] at src/libstd/panicking.rs:204 [INFO] [stderr] 9: 0x5648b7820ac1 - std::panicking::default_hook::hf6b2894115daa715 [INFO] [stderr] at src/libstd/panicking.rs:224 [INFO] [stderr] 10: 0x5648b78213ea - std::panicking::rust_panic_with_hook::h5bd6ca89052faee2 [INFO] [stderr] at src/libstd/panicking.rs:472 [INFO] [stderr] 11: 0x5648b7820fd0 - rust_begin_unwind [INFO] [stderr] at src/libstd/panicking.rs:380 [INFO] [stderr] 12: 0x5648b7820f4b - std::panicking::begin_panic_fmt::hd54d3c109e076819 [INFO] [stderr] at src/libstd/panicking.rs:334 [INFO] [stderr] 13: 0x5648b75e799c - gcc::fail::hdd23942278bfbe79 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 14: 0x5648b75d7621 - gcc::Build::compile::hb5f427da76327819 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 15: 0x5648b75c1c31 - cpp_build::Config::build::hf9257f5907a52add [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 16: 0x5648b75c3663 - build_script_build::main::ha89227a58d1f2c30 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 17: 0x5648b75c23c0 - std::rt::lang_start::{{closure}}::h9a52065b6732eef7 [INFO] [stderr] at /rustc/a243773eaf3fedcd203f10ae4579e4f106bf7ccd/src/libstd/rt.rs:67 [INFO] [stderr] 18: 0x5648b7820f03 - std::rt::lang_start_internal::{{closure}}::h1290f4aaa12eba49 [INFO] [stderr] at src/libstd/rt.rs:52 [INFO] [stderr] 19: 0x5648b7820f03 - std::panicking::try::do_call::h67a25163f365bfb5 [INFO] [stderr] at src/libstd/panicking.rs:305 [INFO] [stderr] 20: 0x5648b7829ac7 - __rust_maybe_catch_panic [INFO] [stderr] at src/libpanic_unwind/lib.rs:86 [INFO] [stderr] 21: 0x5648b7821890 - std::panicking::try::h45cfcab1f9dbff97 [INFO] [stderr] at src/libstd/panicking.rs:281 [INFO] [stderr] 22: 0x5648b7821890 - std::panic::catch_unwind::hcc46ddf27ba0ee14 [INFO] [stderr] at src/libstd/panic.rs:394 [INFO] [stderr] 23: 0x5648b7821890 - std::rt::lang_start_internal::hf64f629cd7f49f66 [INFO] [stderr] at src/libstd/rt.rs:51 [INFO] [stderr] 24: 0x5648b75c2399 - std::rt::lang_start::he84032120fda74b8 [INFO] [stderr] at /rustc/a243773eaf3fedcd203f10ae4579e4f106bf7ccd/src/libstd/rt.rs:67 [INFO] [stderr] 25: 0x5648b75c36fa - main [INFO] [stderr] 26: 0x7fd463322b97 - __libc_start_main [INFO] [stderr] 27: 0x5648b75bbb5a - _start [INFO] [stderr] 28: 0x0 - [INFO] [stderr] [INFO] running `"docker" "inspect" "6fc1ce53a3954baa2f83821699aac217264445217c3b90cfa825872d67b3fb6b"` [INFO] running `"docker" "rm" "-f" "6fc1ce53a3954baa2f83821699aac217264445217c3b90cfa825872d67b3fb6b"` [INFO] [stdout] 6fc1ce53a3954baa2f83821699aac217264445217c3b90cfa825872d67b3fb6b