[INFO] fetching crate cntk 0.2.1... [INFO] checking cntk-0.2.1 against try#05c8870159e4f328578a970e125aa76d24f03b56 for pr-76219 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-3/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 05c8870159e4f328578a970e125aa76d24f03b56 [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "read-manifest" "--manifest-path" "Cargo.toml", 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-3/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cpp_syn v0.12.0 [INFO] [stderr] Downloaded cpp_synom v0.12.0 [INFO] [stderr] Downloaded ndarray v0.10.14 [INFO] [stderr] Downloaded cpp_common v0.3.2 [INFO] [stderr] Downloaded cpp_macros v0.3.2 [INFO] [stderr] Downloaded cpp_synmap v0.3.0 [INFO] [stderr] Downloaded cpp_build v0.3.2 [INFO] [stderr] Downloaded mnist v0.4.1 [INFO] [stderr] Downloaded cpp v0.3.2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f2a0effd2ec767db22785e49a75f1d40e3aaa8aeea92b9693db1412f3247a51f [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f2a0effd2ec767db22785e49a75f1d40e3aaa8aeea92b9693db1412f3247a51f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f2a0effd2ec767db22785e49a75f1d40e3aaa8aeea92b9693db1412f3247a51f", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f2a0effd2ec767db22785e49a75f1d40e3aaa8aeea92b9693db1412f3247a51f", kill_on_drop: false }` [INFO] [stdout] f2a0effd2ec767db22785e49a75f1d40e3aaa8aeea92b9693db1412f3247a51f [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/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" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+05c8870159e4f328578a970e125aa76d24f03b56" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] [stdout] d4a49189a8e7c443fde440ff730ed1c187c27eb7ec9da993023e951c195bedd3 [INFO] running `Command { std: "docker" "start" "-a" "d4a49189a8e7c443fde440ff730ed1c187c27eb7ec9da993023e951c195bedd3", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.76 [INFO] [stderr] Compiling unicode-xid v0.0.4 [INFO] [stderr] Compiling quote v0.3.15 [INFO] [stderr] Compiling byteorder v1.3.4 [INFO] [stderr] Compiling autocfg v1.0.1 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Checking either v1.6.0 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Checking ucd-util v0.1.8 [INFO] [stderr] Compiling regex v0.2.11 [INFO] [stderr] Checking lazy_static v1.4.0 [INFO] [stderr] Checking utf8-ranges v1.0.4 [INFO] [stderr] Compiling memchr v2.3.3 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking regex-syntax v0.5.6 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Compiling num-traits v0.2.12 [INFO] [stderr] Checking mnist v0.4.1 [INFO] [stderr] Checking rand v0.4.6 [INFO] [stderr] Compiling memchr v1.0.2 [INFO] [stderr] Checking num-traits v0.1.43 [INFO] [stderr] Checking num-complex v0.1.43 [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] [INFO] [stderr] Caused by: [INFO] [stderr] process didn't exit successfully: `/opt/rustwide/target/debug/build/cntk-4e3d92da0cdaf50b/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-209d51f5ee7004fb/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-209d51f5ee7004fb/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: 0x558d87ef60b0 - std::backtrace_rs::backtrace::libunwind::trace::h452faf99f32e7c93 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/libunwind.rs:96 [INFO] [stderr] 1: 0x558d87ef60b0 - std::backtrace_rs::backtrace::trace_unsynchronized::he40edc71437667a1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/../../backtrace/src/backtrace/mod.rs:66 [INFO] [stderr] 2: 0x558d87ef60b0 - std::sys_common::backtrace::_print_fmt::h6c51d6ade71f46bf [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:79 [INFO] [stderr] 3: 0x558d87ef60b0 - ::fmt::h3cd15d7003dec37a [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:58 [INFO] [stderr] 4: 0x558d87f16a4c - core::fmt::write::h1857a60b204f1b6a [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/fmt/mod.rs:1082 [INFO] [stderr] 5: 0x558d87ef25e7 - std::io::Write::write_fmt::hac61caff894c35ae [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/io/mod.rs:1517 [INFO] [stderr] 6: 0x558d87ef89c0 - std::sys_common::backtrace::_print::haa2f390fb7957e3e [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:61 [INFO] [stderr] 7: 0x558d87ef89c0 - std::sys_common::backtrace::print::h48c7cbbad9013bb1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:48 [INFO] [stderr] 8: 0x558d87ef89c0 - std::panicking::default_hook::{{closure}}::h8b7ff05a31e71d55 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:208 [INFO] [stderr] 9: 0x558d87ef870c - std::panicking::default_hook::h2f00c78800d98e4c [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:227 [INFO] [stderr] 10: 0x558d87ef9023 - std::panicking::rust_panic_with_hook::h4eaa635e4694aef3 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:577 [INFO] [stderr] 11: 0x558d87ef8bf9 - std::panicking::begin_panic_handler::{{closure}}::hec242f1b136b5ff2 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:484 [INFO] [stderr] 12: 0x558d87ef651c - std::sys_common::backtrace::__rust_end_short_backtrace::h1f3cc383ee6c0374 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:153 [INFO] [stderr] 13: 0x558d87ef8bb9 - rust_begin_unwind [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:483 [INFO] [stderr] 14: 0x558d87ef8b6b - std::panicking::begin_panic_fmt::hebfdcd945bbd27b1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:437 [INFO] [stderr] 15: 0x558d87d0e5f7 - gcc::fail::hdd31ed862fae78eb [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672 [INFO] [stderr] 16: 0x558d87d0030c - gcc::Build::compile::hdf608fa1a19a0cf9 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785 [INFO] [stderr] 17: 0x558d87cecd99 - cpp_build::Config::build::he44cd05e08ba1e22 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484 [INFO] [stderr] 18: 0x558d87cedec3 - build_script_build::main::hc1328b73c0bf0ebf [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6 [INFO] [stderr] 19: 0x558d87cee0bb - core::ops::function::FnOnce::call_once::he6d41819e492981e [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:227 [INFO] [stderr] 20: 0x558d87ced33e - std::sys_common::backtrace::__rust_begin_short_backtrace::h2e6fd5a5791134f1 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/sys_common/backtrace.rs:137 [INFO] [stderr] 21: 0x558d87ced311 - std::rt::lang_start::{{closure}}::h7a722ec0629c1bd7 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:66 [INFO] [stderr] 22: 0x558d87ef9421 - core::ops::function::impls:: for &F>::call_once::hecc21eb9018cc197 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/core/src/ops/function.rs:259 [INFO] [stderr] 23: 0x558d87ef9421 - std::panicking::try::do_call::h174ad655d084b5c7 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:381 [INFO] [stderr] 24: 0x558d87ef9421 - std::panicking::try::h479e6054ce28de10 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panicking.rs:345 [INFO] [stderr] 25: 0x558d87ef9421 - std::panic::catch_unwind::hb558ddea2b3e9c45 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/panic.rs:382 [INFO] [stderr] 26: 0x558d87ef9421 - std::rt::lang_start_internal::h163149047f0a8b61 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:51 [INFO] [stderr] 27: 0x558d87ced2e7 - std::rt::lang_start::h438e8a5ef88f1d24 [INFO] [stderr] at /rustc/05c8870159e4f328578a970e125aa76d24f03b56/library/std/src/rt.rs:65 [INFO] [stderr] 28: 0x558d87cedf4a - main [INFO] [stderr] 29: 0x7f74d916e0b3 - __libc_start_main [INFO] [stderr] 30: 0x558d87ce70ce - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "d4a49189a8e7c443fde440ff730ed1c187c27eb7ec9da993023e951c195bedd3", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "d4a49189a8e7c443fde440ff730ed1c187c27eb7ec9da993023e951c195bedd3", kill_on_drop: false }` [INFO] [stdout] d4a49189a8e7c443fde440ff730ed1c187c27eb7ec9da993023e951c195bedd3