[INFO] fetching crate cntk 0.2.1... [INFO] checking cntk-0.2.1 against master#506512391b1a75ae450d36c9420978402a91abcc for pr-125384 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-2-tc1/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 506512391b1a75ae450d36c9420978402a91abcc [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }` [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-2-tc1/source/Cargo.toml [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Updating crates.io index [INFO] [stderr] Locking 42 packages to latest compatible versions [INFO] [stderr] Adding aho-corasick v0.6.10 (latest: v1.1.3) [INFO] [stderr] Adding cpp v0.3.2 (latest: v0.5.9) [INFO] [stderr] Adding cpp_build v0.3.2 (latest: v0.5.9) [INFO] [stderr] Adding cpp_common v0.3.2 (latest: v0.5.9) [INFO] [stderr] Adding cpp_macros v0.3.2 (latest: v0.5.9) [INFO] [stderr] Adding itertools v0.7.11 (latest: v0.13.0) [INFO] [stderr] Adding lazy_static v0.2.11 (latest: v1.4.0) [INFO] [stderr] Adding matrixmultiply v0.1.15 (latest: v0.3.8) [INFO] [stderr] Adding memchr v1.0.2 (latest: v2.7.2) [INFO] [stderr] Adding mnist v0.4.1 (latest: v0.6.0) [INFO] [stderr] Adding ndarray v0.10.14 (latest: v0.15.6) [INFO] [stderr] Adding num-complex v0.1.43 (latest: v0.4.6) [INFO] [stderr] Adding num-traits v0.1.43 (latest: v0.2.19) [INFO] [stderr] Adding quote v0.3.15 (latest: v1.0.36) [INFO] [stderr] Adding rand v0.3.23 (latest: v0.8.5) [INFO] [stderr] Adding rand v0.4.6 (latest: v0.8.5) [INFO] [stderr] Adding rand_core v0.3.1 (latest: v0.6.4) [INFO] [stderr] Adding rand_core v0.4.2 (latest: v0.6.4) [INFO] [stderr] Adding rawpointer v0.1.0 (latest: v0.2.1) [INFO] [stderr] Adding rdrand v0.4.0 (latest: v0.8.3) [INFO] [stderr] Adding regex v0.2.11 (latest: v1.10.4) [INFO] [stderr] Adding regex-syntax v0.5.6 (latest: v0.8.3) [INFO] [stderr] Adding thread_local v0.3.6 (latest: v1.1.8) [INFO] [stderr] Adding ucd-util v0.1.10 (latest: v0.2.1) [INFO] [stderr] Adding unicode-xid v0.0.4 (latest: v0.2.4) [INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cpp_synom v0.12.0 [INFO] [stderr] Downloaded mnist v0.4.1 [INFO] [stderr] Downloaded cpp_synmap v0.3.0 [INFO] [stderr] Downloaded cpp_syn v0.12.0 [INFO] [stderr] Downloaded cpp_common v0.3.2 [INFO] [stderr] Downloaded cpp v0.3.2 [INFO] [stderr] Downloaded cpp_macros v0.3.2 [INFO] [stderr] Downloaded cpp_build v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 1104f3a27c6877c9134433f9f3bab2c366ecffb550b3b7447eb78e31d0c468da [INFO] running `Command { std: "docker" "start" "-a" "1104f3a27c6877c9134433f9f3bab2c366ecffb550b3b7447eb78e31d0c468da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "1104f3a27c6877c9134433f9f3bab2c366ecffb550b3b7447eb78e31d0c468da", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "1104f3a27c6877c9134433f9f3bab2c366ecffb550b3b7447eb78e31d0c468da", kill_on_drop: false }` [INFO] [stdout] 1104f3a27c6877c9134433f9f3bab2c366ecffb550b3b7447eb78e31d0c468da [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc1/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" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=allow" "-e" "RUSTDOCFLAGS=--cap-lints=allow" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:beeedbb442662e57d416641ecc3200b38e573c25b057896194468d05594dd835" "/opt/rustwide/cargo-home/bin/cargo" "+506512391b1a75ae450d36c9420978402a91abcc" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0c329eb8d86bf639c2a3eba5201b409d3f82de850ff4a1a3aa24f89de2cb94b4 [INFO] running `Command { std: "docker" "start" "-a" "0c329eb8d86bf639c2a3eba5201b409d3f82de850ff4a1a3aa24f89de2cb94b4", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.155 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling byteorder v1.5.0 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking ucd-util v0.1.10 [INFO] [stderr] Checking memchr v2.7.2 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking utf8-ranges v1.0.5 [INFO] [stderr] Checking mnist v0.4.1 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Checking rand v0.3.23 [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] note: To improve backtraces for build dependencies, set the CARGO_PROFILE_DEV_BUILD_OVERRIDE_DEBUG=true environment variable to enable debug information generation. [INFO] [stderr] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/cntk-578536ef17ae0d45/build-script-build` (exit status: 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-40818796b5643e78/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-40818796b5643e78/out/rust_cpp/cpp_closures.cpp" [INFO] [stderr] [INFO] [stderr] --- stderr [INFO] [stderr] thread 'main' panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-6f17d22bba15001f/gcc-0.3.55/src/lib.rs:1672:5: [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] Internal error occurred: Failed to find tool. Is `g++-4.8` installed? [INFO] [stderr] [INFO] [stderr] [INFO] [stderr] stack backtrace: [INFO] [stderr] 0: 0x557795a1eea5 - std::backtrace_rs::backtrace::libunwind::trace::h876d7c806a499a4c [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/libunwind.rs:105:5 [INFO] [stderr] 1: 0x557795a1eea5 - std::backtrace_rs::backtrace::trace_unsynchronized::h93aa6ac20204363f [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557795a1eea5 - std::sys_common::backtrace::_print_fmt::haa4d06348037420c [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:68:5 [INFO] [stderr] 3: 0x557795a1eea5 - ::fmt::hb19a1068483db389 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:44:22 [INFO] [stderr] 4: 0x557795a4434b - core::fmt::rt::Argument::fmt::he1186800a1f8dba1 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/rt.rs:165:63 [INFO] [stderr] 5: 0x557795a4434b - core::fmt::write::h93b97d526ac83ab7 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/fmt/mod.rs:1169:21 [INFO] [stderr] 6: 0x557795a1ba0f - std::io::Write::write_fmt::h5b8b8a434bcca5dd [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/io/mod.rs:1835:15 [INFO] [stderr] 7: 0x557795a1ec7e - std::sys_common::backtrace::_print::h68eb04d9824256f0 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:47:5 [INFO] [stderr] 8: 0x557795a1ec7e - std::sys_common::backtrace::print::h9c98f0d9c4306586 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:34:9 [INFO] [stderr] 9: 0x557795a20209 - std::panicking::default_hook::{{closure}}::hcf6830dc400daae4 [INFO] [stderr] 10: 0x557795a1ff4d - std::panicking::default_hook::h483615856e3a5cc0 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:298:9 [INFO] [stderr] 11: 0x557795a20713 - std::panicking::rust_panic_with_hook::h36ebc998f351e5fd [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:795:13 [INFO] [stderr] 12: 0x557795a205f4 - std::panicking::begin_panic_handler::{{closure}}::h686207a93492b797 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:664:13 [INFO] [stderr] 13: 0x557795a1f369 - std::sys_common::backtrace::__rust_end_short_backtrace::h2e37e6bf5aac538a [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/sys_common/backtrace.rs:171:18 [INFO] [stderr] 14: 0x557795a20327 - rust_begin_unwind [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:652:5 [INFO] [stderr] 15: 0x557795a430b3 - core::panicking::panic_fmt::heae5d8e5e3703b89 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/panicking.rs:72:14 [INFO] [stderr] 16: 0x5577958cb789 - gcc::fail::h1942399e72bd79c1 [INFO] [stderr] 17: 0x5577958bf07f - gcc::Build::compile::h47bc141fd24e633c [INFO] [stderr] 18: 0x5577958af1fd - cpp_build::Config::build::h2764be571625d395 [INFO] [stderr] 19: 0x5577958af3b3 - build_script_build::main::h6f0d55acaa014a55 [INFO] [stderr] 20: 0x5577958aae63 - core::ops::function::FnOnce::call_once::h93386e6301aafaaf [INFO] [stderr] 21: 0x5577958aabc6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h5adebacd8eb74746 [INFO] [stderr] 22: 0x5577958aac89 - std::rt::lang_start::{{closure}}::h8252c486487e9bb1 [INFO] [stderr] 23: 0x557795a17a0d - core::ops::function::impls:: for &F>::call_once::h75d0a4fe40296b94 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/core/src/ops/function.rs:284:13 [INFO] [stderr] 24: 0x557795a17a0d - std::panicking::try::do_call::ha27ca65264b021a4 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40 [INFO] [stderr] 25: 0x557795a17a0d - std::panicking::try::h901e100a17b3cd54 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19 [INFO] [stderr] 26: 0x557795a17a0d - std::panic::catch_unwind::h13d256f1691dfb07 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14 [INFO] [stderr] 27: 0x557795a17a0d - std::rt::lang_start_internal::{{closure}}::hdf5a5a26190e1fd8 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:48 [INFO] [stderr] 28: 0x557795a17a0d - std::panicking::try::do_call::h3a8fb98242ec30e5 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:559:40 [INFO] [stderr] 29: 0x557795a17a0d - std::panicking::try::h881801cd3cb8ba77 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panicking.rs:523:19 [INFO] [stderr] 30: 0x557795a17a0d - std::panic::catch_unwind::he14d380083644433 [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/panic.rs:149:14 [INFO] [stderr] 31: 0x557795a17a0d - std::rt::lang_start_internal::hf560e7575b65e65f [INFO] [stderr] at /rustc/506512391b1a75ae450d36c9420978402a91abcc/library/std/src/rt.rs:141:20 [INFO] [stderr] 32: 0x5577958aac67 - std::rt::lang_start::h8cce1ad6e173078f [INFO] [stderr] 33: 0x5577958af425 - main [INFO] [stderr] 34: 0x7fd792328d90 - [INFO] [stderr] 35: 0x7fd792328e40 - __libc_start_main [INFO] [stderr] 36: 0x5577958aa845 - _start [INFO] [stderr] 37: 0x0 - [INFO] running `Command { std: "docker" "inspect" "0c329eb8d86bf639c2a3eba5201b409d3f82de850ff4a1a3aa24f89de2cb94b4", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0c329eb8d86bf639c2a3eba5201b409d3f82de850ff4a1a3aa24f89de2cb94b4", kill_on_drop: false }` [INFO] [stdout] 0c329eb8d86bf639c2a3eba5201b409d3f82de850ff4a1a3aa24f89de2cb94b4