[INFO] fetching crate cntk 0.2.1...
[INFO] checking cntk-0.2.1 against master#158f00a1c5175648af6f6099b075f78d1d014a28 for pr-121251
[INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-1-tc1/source
[INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain 158f00a1c5175648af6f6099b075f78d1d014a28
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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-1-tc1/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "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 rawpointer v0.1.0
[INFO] [stderr]   Downloaded mnist v0.4.1
[INFO] [stderr]   Downloaded matrixmultiply v0.1.15
[INFO] [stderr]   Downloaded memchr v1.0.2
[INFO] [stderr]   Downloaded cpp_synom v0.12.0
[INFO] [stderr]   Downloaded cpp_syn v0.12.0
[INFO] [stderr]   Downloaded ndarray v0.10.14
[INFO] [stderr]   Downloaded cpp_synmap v0.3.0
[INFO] [stderr]   Downloaded cpp_common v0.3.2
[INFO] [stderr]   Downloaded cpp_macros v0.3.2
[INFO] [stderr]   Downloaded cpp 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-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 77c363223cf003877aaf95a5c5d1823370b2edd20796d990b96da9003ec97cda
[INFO] running `Command { std: "docker" "start" "-a" "77c363223cf003877aaf95a5c5d1823370b2edd20796d990b96da9003ec97cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "77c363223cf003877aaf95a5c5d1823370b2edd20796d990b96da9003ec97cda", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "77c363223cf003877aaf95a5c5d1823370b2edd20796d990b96da9003ec97cda", kill_on_drop: false }`
[INFO] [stdout] 77c363223cf003877aaf95a5c5d1823370b2edd20796d990b96da9003ec97cda
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc1/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-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=forbid" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+158f00a1c5175648af6f6099b075f78d1d014a28" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 657e0892418ba4b71621542cafd2ba09082e38cbec1ad1f47bb8f96bc4897f78
[INFO] running `Command { std: "docker" "start" "-a" "657e0892418ba4b71621542cafd2ba09082e38cbec1ad1f47bb8f96bc4897f78", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling byteorder v1.5.0
[INFO] [stderr]     Checking rawpointer v0.1.0
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking mnist v0.4.1
[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-948a3a03eb977354/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-a9b713c4f86977a7/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-a9b713c4f86977a7/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:     0x55f14c7940d6 - std::backtrace_rs::backtrace::libunwind::trace::h4a01ad0b1654c0b3
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55f14c7940d6 - std::backtrace_rs::backtrace::trace_unsynchronized::h9f80f9c1a87c88e7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55f14c7940d6 - std::sys_common::backtrace::_print_fmt::hfb825d5b45347dc7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55f14c7940d6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::hd399990d6b396792
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55f14c7b884c - core::fmt::rt::Argument::fmt::h6780ff77d2596c7e
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55f14c7b884c - core::fmt::write::heeb505bfc1cf113c
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55f14c79107f - std::io::Write::write_fmt::h06956d82941b8ab5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55f14c793e84 - std::sys_common::backtrace::_print::h5a2ad20f98de74d9
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55f14c793e84 - std::sys_common::backtrace::print::hb7c2e18145b4bc56
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55f14c7956eb - std::panicking::default_hook::{{closure}}::h2c7ccc2f6c33079c
[INFO] [stderr]     10:     0x55f14c795439 - std::panicking::default_hook::h6ae4b6e844fd8bea
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55f14c795b8d - std::panicking::rust_panic_with_hook::h1591957e3d275a90
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55f14c795a62 - std::panicking::begin_panic_handler::{{closure}}::h384c4e87a0cf88d5
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55f14c7945b6 - std::sys_common::backtrace::__rust_end_short_backtrace::h091aa6af759b84a7
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55f14c795794 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55f14c5e97c5 - core::panicking::panic_fmt::he1f2b784ca1ada33
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55f14c60bdf1 - gcc::fail::h8f0c23bdfcddc846
[INFO] [stderr]     17:     0x55f14c5fee5f - gcc::Build::compile::hf077bff23aff96ee
[INFO] [stderr]     18:     0x55f14c5ee829 - cpp_build::Config::build::h1b29d1b56e8ad2f2
[INFO] [stderr]     19:     0x55f14c5ee9e3 - build_script_build::main::h4caf89f48088e709
[INFO] [stderr]     20:     0x55f14c5ea4a3 - core::ops::function::FnOnce::call_once::haa1849b7557c10fa
[INFO] [stderr]     21:     0x55f14c5ea1d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::hf787036f0373d2ad
[INFO] [stderr]     22:     0x55f14c5ea299 - std::rt::lang_start::{{closure}}::h4e7fd574d8e98614
[INFO] [stderr]     23:     0x55f14c78d313 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h41851747bbb13568
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55f14c78d313 - std::panicking::try::do_call::hb42eeca0b42872c6
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55f14c78d313 - std::panicking::try::hab05ddea26ba6a87
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55f14c78d313 - std::panic::catch_unwind::h4e316694ef9f1d75
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55f14c78d313 - std::rt::lang_start_internal::{{closure}}::h8eaa848bcdf1c638
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55f14c78d313 - std::panicking::try::do_call::h1b091a6d59c31bc8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55f14c78d313 - std::panicking::try::h8d242ccb92fdc8f8
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55f14c78d313 - std::panic::catch_unwind::hec071b6367220669
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55f14c78d313 - std::rt::lang_start_internal::hd0b9a1b14b917412
[INFO] [stderr]                                  at /rustc/158f00a1c5175648af6f6099b075f78d1d014a28/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55f14c5ea277 - std::rt::lang_start::h68251b8579d82ed2
[INFO] [stderr]     33:     0x55f14c5eea55 - main
[INFO] [stderr]     34:     0x7faa38847d90 - <unknown>
[INFO] [stderr]     35:     0x7faa38847e40 - __libc_start_main
[INFO] [stderr]     36:     0x55f14c5e9e95 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "657e0892418ba4b71621542cafd2ba09082e38cbec1ad1f47bb8f96bc4897f78", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "657e0892418ba4b71621542cafd2ba09082e38cbec1ad1f47bb8f96bc4897f78", kill_on_drop: false }`
[INFO] [stdout] 657e0892418ba4b71621542cafd2ba09082e38cbec1ad1f47bb8f96bc4897f78
[INFO] checking cntk-0.2.1 against try#b4fc5dbf0bc33be331f9d893db5b3a794f29724a+rustflags=-Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds for pr-121251
[INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-1-tc2/source
[INFO] validating manifest of crates.io crate cntk 0.2.1 on toolchain b4fc5dbf0bc33be331f9d893db5b3a794f29724a
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "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-1-tc2/source/Cargo.toml
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 29c2d2f62c21a5f8cddc52a5e8e229279f038d14f274e53316eeda2e81daf3b1
[INFO] running `Command { std: "docker" "start" "-a" "29c2d2f62c21a5f8cddc52a5e8e229279f038d14f274e53316eeda2e81daf3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "29c2d2f62c21a5f8cddc52a5e8e229279f038d14f274e53316eeda2e81daf3b1", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "29c2d2f62c21a5f8cddc52a5e8e229279f038d14f274e53316eeda2e81daf3b1", kill_on_drop: false }`
[INFO] [stdout] 29c2d2f62c21a5f8cddc52a5e8e229279f038d14f274e53316eeda2e81daf3b1
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-1-tc2/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 -Dexplicit_range -Dtrait_impl_range -Wrange_syntax -Wrange_bounds" "-e" "RUSTDOCFLAGS=--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@sha256:2788e3201cd34a07e3172128adcd8b3090168a8e3bcc40d7c032b9dda1df7d1c" "/opt/rustwide/cargo-home/bin/cargo" "+b4fc5dbf0bc33be331f9d893db5b3a794f29724a" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 93b2e00d6ccaeee914756161b8c6951d49e0c0a21ab28978ac2f3f008e435722
[INFO] running `Command { std: "docker" "start" "-a" "93b2e00d6ccaeee914756161b8c6951d49e0c0a21ab28978ac2f3f008e435722", kill_on_drop: false }`
[INFO] [stderr]    Compiling libc v0.2.153
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling lazy_static v0.2.11
[INFO] [stderr]    Compiling gcc v0.3.55
[INFO] [stderr]    Compiling matrixmultiply v0.1.15
[INFO] [stderr]    Compiling memchr v2.7.1
[INFO] [stderr]     Checking rawpointer v0.1.0
[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 utf8-ranges v1.0.5
[INFO] [stderr]     Checking itertools v0.7.11
[INFO] [stderr]     Checking aho-corasick v0.6.10
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking num-complex v0.1.43
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]     Checking mnist v0.4.1
[INFO] [stderr]     Checking regex-syntax v0.5.6
[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-948a3a03eb977354/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-a9b713c4f86977a7/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-a9b713c4f86977a7/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:     0x55b3c29bc1f6 - std::backtrace_rs::backtrace::libunwind::trace::h0d1f9e44284b8013
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/../../backtrace/src/backtrace/libunwind.rs:104:5
[INFO] [stderr]      1:     0x55b3c29bc1f6 - std::backtrace_rs::backtrace::trace_unsynchronized::h17dbeb281165c5c4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55b3c29bc1f6 - std::sys_common::backtrace::_print_fmt::h14dc86d75037f59f
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:68:5
[INFO] [stderr]      3:     0x55b3c29bc1f6 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h20915dd225a5d4c5
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:44:22
[INFO] [stderr]      4:     0x55b3c29e096c - core::fmt::rt::Argument::fmt::h6dcba5363f9a9bd4
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/rt.rs:142:9
[INFO] [stderr]      5:     0x55b3c29e096c - core::fmt::write::habd1cce1dd178fa9
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/fmt/mod.rs:1120:17
[INFO] [stderr]      6:     0x55b3c29b919f - std::io::Write::write_fmt::h335f0c916f2cc739
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/io/mod.rs:1846:15
[INFO] [stderr]      7:     0x55b3c29bbfa4 - std::sys_common::backtrace::_print::haed265422939a672
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:47:5
[INFO] [stderr]      8:     0x55b3c29bbfa4 - std::sys_common::backtrace::print::hc8c2d3e9fcdf3c04
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:34:9
[INFO] [stderr]      9:     0x55b3c29bd80b - std::panicking::default_hook::{{closure}}::hc7d06f756b115521
[INFO] [stderr]     10:     0x55b3c29bd559 - std::panicking::default_hook::ha7d83419a7426e39
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:292:9
[INFO] [stderr]     11:     0x55b3c29bdcad - std::panicking::rust_panic_with_hook::he6dc5d430c09608c
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:781:13
[INFO] [stderr]     12:     0x55b3c29bdb82 - std::panicking::begin_panic_handler::{{closure}}::h1ccbbc26bdbc9269
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:659:13
[INFO] [stderr]     13:     0x55b3c29bc6d6 - std::sys_common::backtrace::__rust_end_short_backtrace::h0f2cf51708fe91db
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/sys_common/backtrace.rs:171:18
[INFO] [stderr]     14:     0x55b3c29bd8b4 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:647:5
[INFO] [stderr]     15:     0x55b3c28117c5 - core::panicking::panic_fmt::h6606ea0a622a0628
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/panicking.rs:72:14
[INFO] [stderr]     16:     0x55b3c2833df1 - gcc::fail::h27c9f76ff06e6713
[INFO] [stderr]     17:     0x55b3c2826e5f - gcc::Build::compile::ha9860d32d4d49d94
[INFO] [stderr]     18:     0x55b3c2816829 - cpp_build::Config::build::h9c2dec6551f9298d
[INFO] [stderr]     19:     0x55b3c28169e3 - build_script_build::main::h6bdf8f4c7614aa71
[INFO] [stderr]     20:     0x55b3c2812463 - core::ops::function::FnOnce::call_once::h0e81f90bb91c0605
[INFO] [stderr]     21:     0x55b3c28121d6 - std::sys_common::backtrace::__rust_begin_short_backtrace::h26c49b9f0ea27f82
[INFO] [stderr]     22:     0x55b3c2812299 - std::rt::lang_start::{{closure}}::h5371dd95f1a9eafd
[INFO] [stderr]     23:     0x55b3c29b5433 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::ha65186210333eb65
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/core/src/ops/function.rs:284:13
[INFO] [stderr]     24:     0x55b3c29b5433 - std::panicking::try::do_call::ha06f0ae2aa773b60
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     25:     0x55b3c29b5433 - std::panicking::try::ha69909ced466cae0
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     26:     0x55b3c29b5433 - std::panic::catch_unwind::hbb7cc1f26ee70ef2
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     27:     0x55b3c29b5433 - std::rt::lang_start_internal::{{closure}}::hf210e7ef9470948d
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55b3c29b5433 - std::panicking::try::do_call::h539340602b2b4061
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:554:40
[INFO] [stderr]     29:     0x55b3c29b5433 - std::panicking::try::h82480fb15a4d1da6
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panicking.rs:518:19
[INFO] [stderr]     30:     0x55b3c29b5433 - std::panic::catch_unwind::he6d4670bf89494cd
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/panic.rs:142:14
[INFO] [stderr]     31:     0x55b3c29b5433 - std::rt::lang_start_internal::hce6f7a496a7bd741
[INFO] [stderr]                                  at /rustc/b4fc5dbf0bc33be331f9d893db5b3a794f29724a/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55b3c2812277 - std::rt::lang_start::h74c24e06dfa5c995
[INFO] [stderr]     33:     0x55b3c2816a55 - main
[INFO] [stderr]     34:     0x7f139a6abd90 - <unknown>
[INFO] [stderr]     35:     0x7f139a6abe40 - __libc_start_main
[INFO] [stderr]     36:     0x55b3c2811e95 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "93b2e00d6ccaeee914756161b8c6951d49e0c0a21ab28978ac2f3f008e435722", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "93b2e00d6ccaeee914756161b8c6951d49e0c0a21ab28978ac2f3f008e435722", kill_on_drop: false }`
[INFO] [stdout] 93b2e00d6ccaeee914756161b8c6951d49e0c0a21ab28978ac2f3f008e435722
