[INFO] fetching crate cntk 0.2.1... [INFO] testing cntk-0.2.1 against try#722e1797249a965b6335aebd65d777f917e498f1 for pr-91031 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-45/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 722e1797249a965b6335aebd65d777f917e498f1 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "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-45/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cpp_syn v0.12.0 [INFO] [stderr] Downloaded cpp_synmap v0.3.0 [INFO] [stderr] Downloaded cpp_synom v0.12.0 [INFO] [stderr] Downloaded mnist v0.4.1 [INFO] [stderr] Downloaded cpp_common v0.3.2 [INFO] [stderr] Downloaded cpp_build v0.3.2 [INFO] [stderr] Downloaded cpp v0.3.2 [INFO] [stderr] Downloaded cpp_macros v0.3.2 [INFO] [stderr] Downloaded ndarray v0.10.14 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 8063d58bfa2250fa4b72e6f01466a5354d027cba4b023c77a145d2344a6bb17d [INFO] running `Command { std: "docker" "start" "-a" "8063d58bfa2250fa4b72e6f01466a5354d027cba4b023c77a145d2344a6bb17d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "8063d58bfa2250fa4b72e6f01466a5354d027cba4b023c77a145d2344a6bb17d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "8063d58bfa2250fa4b72e6f01466a5354d027cba4b023c77a145d2344a6bb17d", kill_on_drop: false }` [INFO] [stdout] 8063d58bfa2250fa4b72e6f01466a5354d027cba4b023c77a145d2344a6bb17d [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-45/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=forbid" "-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@sha256:5736fa189c1c60b01babf4b8b698fe57b6ecc41933a7ff2e0b8d7a221459412b" "/opt/rustwide/cargo-home/bin/cargo" "+722e1797249a965b6335aebd65d777f917e498f1" "build" "--frozen" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] da2509ba4b737581d37f9c46f9bff79fbab378caa92e7027829cacbb5fc90956 [INFO] running `Command { std: "docker" "start" "-a" "da2509ba4b737581d37f9c46f9bff79fbab378caa92e7027829cacbb5fc90956", kill_on_drop: false }` [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling libc v0.2.107 [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling memchr v2.4.1 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling matrixmultiply v0.1.15 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling rawpointer v0.1.0 [INFO] [stderr] Compiling byteorder v1.4.3 [INFO] [stderr] Compiling itertools v0.7.11 [INFO] [stderr] Compiling num-complex v0.1.43 [INFO] [stderr] Compiling num-traits v0.1.43 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling aho-corasick v0.6.10 [INFO] [stderr] Compiling memchr v1.0.2 [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] Compiling 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-a938ba9b3b89756d/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-8750699ade23b07f/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-8750699ade23b07f/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: 0x557c40125ccc - std::backtrace_rs::backtrace::libunwind::trace::h7630ba4cba718aa0 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/libunwind.rs:93:5 [INFO] [stderr] 1: 0x557c40125ccc - std::backtrace_rs::backtrace::trace_unsynchronized::he7498e79c157f5ac [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x557c40125ccc - std::sys_common::backtrace::_print_fmt::hdaebadaee17bca49 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x557c40125ccc - ::fmt::h82b0e3aaf8a96140 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x557c401463ac - core::fmt::write::h72801a82c94e6ff1 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/fmt/mod.rs:1149:17 [INFO] [stderr] 5: 0x557c40121ab5 - std::io::Write::write_fmt::hc2da38dc44811df8 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/io/mod.rs:1697:15 [INFO] [stderr] 6: 0x557c40127920 - std::sys_common::backtrace::_print::h1c9a1d19c48821c1 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x557c40127920 - std::sys_common::backtrace::print::h7ce8802039fa9d0e [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x557c40127920 - std::panicking::default_hook::{{closure}}::hb2a74a8c1499c326 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:211:50 [INFO] [stderr] 9: 0x557c401274cb - std::panicking::default_hook::hf4f180b00076f2b2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:228:9 [INFO] [stderr] 10: 0x557c40127fd4 - std::panicking::rust_panic_with_hook::he85ce8435493b711 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:606:17 [INFO] [stderr] 11: 0x557c40127ab0 - std::panicking::begin_panic_handler::{{closure}}::h31e15f69e6235bd2 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:502:13 [INFO] [stderr] 12: 0x557c40126184 - std::sys_common::backtrace::__rust_end_short_backtrace::hfce2fadb61aaa3ae [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:139:18 [INFO] [stderr] 13: 0x557c40127a19 - rust_begin_unwind [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:498:5 [INFO] [stderr] 14: 0x557c3ff0d301 - core::panicking::panic_fmt::h7b8580d81fcbbacd [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/panicking.rs:107:14 [INFO] [stderr] 15: 0x557c3ff327a3 - gcc::fail::h8a3b94cad5cf9aa5 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5 [INFO] [stderr] 16: 0x557c3ff24e89 - gcc::Build::compile::h1dc4ecd19a84f3be [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785:13 [INFO] [stderr] 17: 0x557c3ff12f98 - cpp_build::Config::build::h045bf63f15586fb4 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484:9 [INFO] [stderr] 18: 0x557c3ff130f6 - build_script_build::main::hbb456b6fffcd1e13 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6:5 [INFO] [stderr] 19: 0x557c3ff139cb - core::ops::function::FnOnce::call_once::h2d948154e2d48780 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x557c3ff136ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h7f358f17dd5e6fde [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/sys_common/backtrace.rs:123:18 [INFO] [stderr] 21: 0x557c3ff134c1 - std::rt::lang_start::{{closure}}::he87f8e564c6c3184 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:145:18 [INFO] [stderr] 22: 0x557c40125511 - core::ops::function::impls:: for &F>::call_once::h0e73392810ecd318 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x557c40125511 - std::panicking::try::do_call::h12dcb4a4f352a507 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stderr] 24: 0x557c40125511 - std::panicking::try::h0d978c76ab4a3863 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stderr] 25: 0x557c40125511 - std::panic::catch_unwind::hab40227675186980 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stderr] 26: 0x557c40125511 - std::rt::lang_start_internal::{{closure}}::hc34786299e7d2cf7 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:48 [INFO] [stderr] 27: 0x557c40125511 - std::panicking::try::do_call::h38e7a9128f21d387 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:406:40 [INFO] [stderr] 28: 0x557c40125511 - std::panicking::try::h32d4e72fd8922bce [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panicking.rs:370:19 [INFO] [stderr] 29: 0x557c40125511 - std::panic::catch_unwind::h9a345671d889d41f [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/panic.rs:133:14 [INFO] [stderr] 30: 0x557c40125511 - std::rt::lang_start_internal::h9e691a4f557eb2a3 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:128:20 [INFO] [stderr] 31: 0x557c3ff13490 - std::rt::lang_start::hc6a01f8f391b05b0 [INFO] [stderr] at /rustc/722e1797249a965b6335aebd65d777f917e498f1/library/std/src/rt.rs:144:17 [INFO] [stderr] 32: 0x557c3ff1316c - main [INFO] [stderr] 33: 0x7f9edfb7a0b3 - __libc_start_main [INFO] [stderr] 34: 0x557c3ff0da3e - _start [INFO] [stderr] 35: 0x0 - [INFO] running `Command { std: "docker" "inspect" "da2509ba4b737581d37f9c46f9bff79fbab378caa92e7027829cacbb5fc90956", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "da2509ba4b737581d37f9c46f9bff79fbab378caa92e7027829cacbb5fc90956", kill_on_drop: false }` [INFO] [stdout] da2509ba4b737581d37f9c46f9bff79fbab378caa92e7027829cacbb5fc90956