[INFO] fetching crate cntk 0.2.1... [INFO] checking cntk-0.2.1 against try#6f8a6450478f69b8510c8976ab6c2a70b3b0e47c for pr-84920 [INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-12/source [INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 6f8a6450478f69b8510c8976ab6c2a70b3b0e47c [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "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-12/source/Cargo.toml [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update", kill_on_drop: false }` [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] [stderr] Blocking waiting for file lock on package cache [INFO] [stderr] Downloading crates ... [INFO] [stderr] Downloaded cpp_synmap v0.3.0 [INFO] [stderr] Downloaded cpp_syn v0.12.0 [INFO] [stderr] Downloaded ndarray v0.10.14 [INFO] [stderr] Downloaded mnist v0.4.1 [INFO] [stderr] Downloaded cpp_synom v0.12.0 [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] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] 664682ab758e4fa2369f9d7e1ccb354db652cbd2b50a9ff32c0a2e964c060519 [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" "664682ab758e4fa2369f9d7e1ccb354db652cbd2b50a9ff32c0a2e964c060519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "664682ab758e4fa2369f9d7e1ccb354db652cbd2b50a9ff32c0a2e964c060519", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "664682ab758e4fa2369f9d7e1ccb354db652cbd2b50a9ff32c0a2e964c060519", kill_on_drop: false }` [INFO] [stdout] 664682ab758e4fa2369f9d7e1ccb354db652cbd2b50a9ff32c0a2e964c060519 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-12/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@sha256:20528e8c29e4536546f0102ce88568b16ea7538393a33fcca951030f7af10457" "/opt/rustwide/cargo-home/bin/cargo" "+6f8a6450478f69b8510c8976ab6c2a70b3b0e47c" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] 0bb30407d94a76c398bcd5f547d4ec839d99b548971bb7a7cc1ac05cf58bcd69 [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" "0bb30407d94a76c398bcd5f547d4ec839d99b548971bb7a7cc1ac05cf58bcd69", kill_on_drop: false }` [INFO] [stderr] Compiling lazy_static v0.2.11 [INFO] [stderr] Compiling gcc v0.3.55 [INFO] [stderr] Compiling ndarray v0.10.14 [INFO] [stderr] Compiling cpp_synom v0.12.0 [INFO] [stderr] Checking itertools v0.7.11 [INFO] [stderr] Checking thread_local v0.3.6 [INFO] [stderr] Checking mnist v0.4.1 [INFO] [stderr] Compiling libc v0.2.94 [INFO] [stderr] Compiling memchr v2.4.0 [INFO] [stderr] Checking aho-corasick v0.6.10 [INFO] [stderr] Checking num-complex v0.1.43 [INFO] [stderr] Checking rand v0.3.23 [INFO] [stderr] Compiling cpp_syn v0.12.0 [INFO] [stderr] Checking regex v0.2.11 [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] 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-6c53befcb80527a2/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-11dc746fa6eaa33a/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-11dc746fa6eaa33a/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: 0x55b12a613df0 - std::backtrace_rs::backtrace::libunwind::trace::hdcf4f90f85129e83 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/../../backtrace/src/backtrace/libunwind.rs:90:5 [INFO] [stderr] 1: 0x55b12a613df0 - std::backtrace_rs::backtrace::trace_unsynchronized::h2669e30cb82f6732 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5 [INFO] [stderr] 2: 0x55b12a613df0 - std::sys_common::backtrace::_print_fmt::hfbda19e17f6db318 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:67:5 [INFO] [stderr] 3: 0x55b12a613df0 - ::fmt::h1a8751bf59281272 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:46:22 [INFO] [stderr] 4: 0x55b12a63478f - core::fmt::write::h7aa6cd0067dca82a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/fmt/mod.rs:1094:17 [INFO] [stderr] 5: 0x55b12a610815 - std::io::Write::write_fmt::hd7dd3a1df9b6befb [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/io/mod.rs:1584:15 [INFO] [stderr] 6: 0x55b12a6161ab - std::sys_common::backtrace::_print::h551e9ec8a9fa8106 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:49:5 [INFO] [stderr] 7: 0x55b12a6161ab - std::sys_common::backtrace::print::ha4b1c5e95fa040b3 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:36:9 [INFO] [stderr] 8: 0x55b12a6161ab - std::panicking::default_hook::{{closure}}::h0b34c9ab7fb9f857 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:208:50 [INFO] [stderr] 9: 0x55b12a615c8d - std::panicking::default_hook::h3067e8318decd17a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:225:9 [INFO] [stderr] 10: 0x55b12a61675d - std::panicking::rust_panic_with_hook::h81b8facc50f34daa [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:591:17 [INFO] [stderr] 11: 0x55b12a616357 - std::panicking::begin_panic_handler::{{closure}}::ha376ab85d95a000e [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:497:13 [INFO] [stderr] 12: 0x55b12a6142ac - std::sys_common::backtrace::__rust_end_short_backtrace::h6795c8afdd1a77e6 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:141:18 [INFO] [stderr] 13: 0x55b12a6162b9 - rust_begin_unwind [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:493:5 [INFO] [stderr] 14: 0x55b12a3fda3b - std::panicking::begin_panic_fmt::hf43a0025042538e2 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:435:5 [INFO] [stderr] 15: 0x55b12a424553 - gcc::fail::hb07cc9daec6ac7d3 [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5 [INFO] [stderr] 16: 0x55b12a41639c - gcc::Build::compile::h0b6475e3706d985b [INFO] [stderr] at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785:13 [INFO] [stderr] 17: 0x55b12a403cfb - cpp_build::Config::build::h1c8ec834be0f39a2 [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: 0x55b12a4045cc - build_script_build::main::h3a6f7ec4bee47ce4 [INFO] [stderr] at /opt/rustwide/workdir/build.rs:6:5 [INFO] [stderr] 19: 0x55b12a404bab - core::ops::function::FnOnce::call_once::he802b011f080943a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/ops/function.rs:227:5 [INFO] [stderr] 20: 0x55b12a40441e - std::sys_common::backtrace::__rust_begin_short_backtrace::hb9a4d3b7faf9fa7a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/sys_common/backtrace.rs:125:18 [INFO] [stderr] 21: 0x55b12a404281 - std::rt::lang_start::{{closure}}::ha7fee8a756a043d0 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:49:18 [INFO] [stderr] 22: 0x55b12a616b5a - core::ops::function::impls:: for &F>::call_once::h3b8c329143d7638a [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/core/src/ops/function.rs:259:13 [INFO] [stderr] 23: 0x55b12a616b5a - std::panicking::try::do_call::h4b72c261b4eefc1b [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:379:40 [INFO] [stderr] 24: 0x55b12a616b5a - std::panicking::try::h703d31b7896cbd49 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panicking.rs:343:19 [INFO] [stderr] 25: 0x55b12a616b5a - std::panic::catch_unwind::h37cad9b35388a915 [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/panic.rs:431:14 [INFO] [stderr] 26: 0x55b12a616b5a - std::rt::lang_start_internal::hab5a8a909af4f90e [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:34:21 [INFO] [stderr] 27: 0x55b12a404260 - std::rt::lang_start::hc0ee25aa2da278dc [INFO] [stderr] at /rustc/6f8a6450478f69b8510c8976ab6c2a70b3b0e47c/library/std/src/rt.rs:48:5 [INFO] [stderr] 28: 0x55b12a40466c - main [INFO] [stderr] 29: 0x7efe55feb0b3 - __libc_start_main [INFO] [stderr] 30: 0x55b12a3fe96e - _start [INFO] [stderr] 31: 0x0 - [INFO] running `Command { std: "docker" "inspect" "0bb30407d94a76c398bcd5f547d4ec839d99b548971bb7a7cc1ac05cf58bcd69", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "0bb30407d94a76c398bcd5f547d4ec839d99b548971bb7a7cc1ac05cf58bcd69", kill_on_drop: false }` [INFO] [stdout] 0bb30407d94a76c398bcd5f547d4ec839d99b548971bb7a7cc1ac05cf58bcd69