[INFO] fetching crate cntk 0.2.1...
[INFO] checking cntk-0.2.1 against master#8c32e313cccf7df531e2d49ffb8227bb92304aee for pr-145608-1
[INFO] extracting crate cntk 0.2.1 into /workspace/builds/worker-1-tc1/source
[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] validating manifest of crates.io crate cntk 0.2.1 on toolchain 8c32e313cccf7df531e2d49ffb8227bb92304aee
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 41 packages to latest compatible versions
[INFO] [stderr]       Adding cpp v0.3.2 (available: v0.5.10)
[INFO] [stderr]       Adding cpp_build v0.3.2 (available: v0.5.10)
[INFO] [stderr]       Adding mnist v0.4.1 (available: v0.6.0)
[INFO] [stderr]       Adding ndarray v0.10.14 (available: v0.16.1)
[INFO] [stderr]       Adding rand v0.3.23 (available: v0.9.2)
[INFO] [stderr]       Adding regex v0.2.11 (available: v1.11.2)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]  Downloading crates ...
[INFO] [stderr]   Downloaded cpp_macros v0.3.2
[INFO] [stderr]   Downloaded cpp v0.3.2
[INFO] [stderr]   Downloaded cpp_common v0.3.2
[INFO] [stderr]   Downloaded cpp_syn v0.12.0
[INFO] [stderr]   Downloaded cpp_build v0.3.2
[INFO] [stderr]   Downloaded cpp_synmap v0.3.0
[INFO] [stderr]   Downloaded cpp_synom v0.12.0
[INFO] [stderr]   Downloaded ndarray v0.10.14
[INFO] [stderr]   Downloaded mnist v0.4.1
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 2d0fd005b9473289921ab4dc40bd9d84b3a043807eb55e6a0721bdef987eb076
[INFO] running `Command { std: "docker" "start" "-a" "2d0fd005b9473289921ab4dc40bd9d84b3a043807eb55e6a0721bdef987eb076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "2d0fd005b9473289921ab4dc40bd9d84b3a043807eb55e6a0721bdef987eb076", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "2d0fd005b9473289921ab4dc40bd9d84b3a043807eb55e6a0721bdef987eb076", kill_on_drop: false }`
[INFO] [stdout] 2d0fd005b9473289921ab4dc40bd9d84b3a043807eb55e6a0721bdef987eb076
[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@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+8c32e313cccf7df531e2d49ffb8227bb92304aee" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 79bd4e30f6b3750c59ead4399fefab0cb28d0a869fee0fa97500c5eafa35390a
[INFO] running `Command { std: "docker" "start" "-a" "79bd4e30f6b3750c59ead4399fefab0cb28d0a869fee0fa97500c5eafa35390a", kill_on_drop: false }`
[INFO] [stderr] warning: no edition set: defaulting to the 2015 edition while the latest is 2024
[INFO] [stderr]    Compiling libc v0.2.175
[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 num-complex v0.1.44
[INFO] [stderr]    Compiling aho-corasick v0.6.10
[INFO] [stderr]    Compiling ndarray v0.10.14
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]    Compiling regex v0.2.11
[INFO] [stderr]     Checking ucd-util v0.1.10
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]     Checking thread_local v0.3.6
[INFO] [stderr]     Checking regex-syntax v0.5.6
[INFO] [stderr]     Checking utf8-ranges v1.0.5
[INFO] [stderr]     Checking mnist v0.4.1
[INFO] [stderr]     Checking rand v0.4.6
[INFO] [stderr]    Compiling memchr v1.0.2
[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-c7fbf4ee4fe95d47/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-95cfdcd25bfa07c6/out/rust_cpp/cpp_closures.o" "-c" "/opt/rustwide/target/debug/build/cntk-95cfdcd25bfa07c6/out/rust_cpp/cpp_closures.cpp"
[INFO] [stderr] 
[INFO] [stderr]   --- stderr
[INFO] [stderr] 
[INFO] [stderr]   thread 'main' (384) panicked at /opt/rustwide/cargo-home/registry/src/index.crates.io-1949cf8c6b5b557f/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:     0x56a6669dbe22 - std::backtrace_rs::backtrace::libunwind::trace::h982c226fb4228175
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/libunwind.rs:117:9
[INFO] [stderr]      1:     0x56a6669dbe22 - std::backtrace_rs::backtrace::trace_unsynchronized::h8cc9ffd61ea62d23
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/../../backtrace/src/backtrace/mod.rs:66:14
[INFO] [stderr]      2:     0x56a6669dbe22 - std::sys::backtrace::_print_fmt::h4cd5293c5cadcdba
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:66:9
[INFO] [stderr]      3:     0x56a6669dbe22 - <std::sys::backtrace::BacktraceLock::print::DisplayBacktrace as core::fmt::Display>::fmt::he2170ac7a9b7d8e2
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:39:26
[INFO] [stderr]      4:     0x56a6669fe48f - core::fmt::rt::Argument::fmt::he3e46e602c5238bb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/rt.rs:173:76
[INFO] [stderr]      5:     0x56a6669fe48f - core::fmt::write::h08b69b6f6da9dedb
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/fmt/mod.rs:1468:25
[INFO] [stderr]      6:     0x56a6669cc613 - std::io::default_write_fmt::hbaf91e190600da50
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:639:11
[INFO] [stderr]      7:     0x56a6669cc613 - std::io::Write::write_fmt::h6c1a272d72aa806a
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/io/mod.rs:1954:13
[INFO] [stderr]      8:     0x56a6669dbc62 - std::sys::backtrace::BacktraceLock::print::ha3901afbdca4af34
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:42:9
[INFO] [stderr]      9:     0x56a6669c9f7c - std::panicking::default_hook::{{closure}}::h21b46c3ea4063e1b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:301:27
[INFO] [stderr]     10:     0x56a6669c9dbf - std::panicking::default_hook::hc9b0213082b48a5b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:328:9
[INFO] [stderr]     11:     0x56a6669c95e5 - std::panicking::panic_with_hook::h2fc74b51da84ab93
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:834:13
[INFO] [stderr]     12:     0x56a6669db7ea - std::panicking::panic_handler::{{closure}}::hce1829c84eba5126
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:707:13
[INFO] [stderr]     13:     0x56a6669db749 - std::sys::backtrace::__rust_end_short_backtrace::h5d12bc139fa5e72b
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/sys/backtrace.rs:174:18
[INFO] [stderr]     14:     0x56a6669c935d - __rustc[4e1d0de11a6e25cc]::rust_begin_unwind
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:698:5
[INFO] [stderr]     15:     0x56a666a00d60 - core::panicking::panic_fmt::h633d971b6a6af30d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/panicking.rs:75:14
[INFO] [stderr]     16:     0x56a66688b52b - gcc::fail::h6e0362eada031373
[INFO] [stderr]     17:     0x56a666886806 - gcc::Build::compile::h15043baf2f92a76f
[INFO] [stderr]     18:     0x56a666870e89 - cpp_build::Config::build::hd38c2b6981873c19
[INFO] [stderr]     19:     0x56a666870773 - build_script_build::main::h16fdb03341a3370d
[INFO] [stderr]     20:     0x56a66686fea3 - core::ops::function::FnOnce::call_once::hb7a853ce7f0852f9
[INFO] [stderr]     21:     0x56a6668706d6 - std::sys::backtrace::__rust_begin_short_backtrace::hf6dca072c09de851
[INFO] [stderr]     22:     0x56a666870079 - std::rt::lang_start::{{closure}}::h62207febdfff7525
[INFO] [stderr]     23:     0x56a6669dc670 - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::h6fdf5846d395b249
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/core/src/ops/function.rs:290:21
[INFO] [stderr]     24:     0x56a6669dc670 - std::panicking::catch_unwind::do_call::h9c9fbecc0eb64106
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     25:     0x56a6669dc670 - std::panicking::catch_unwind::hb949e3b05dcea7f8
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     26:     0x56a6669dc670 - std::panic::catch_unwind::h597b2e757d3f0617
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     27:     0x56a6669dc670 - std::rt::lang_start_internal::{{closure}}::h734b73e4ff4afa90
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:175:24
[INFO] [stderr]     28:     0x56a6669dc670 - std::panicking::catch_unwind::do_call::he1ae9b58298bf5f6
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:590:40
[INFO] [stderr]     29:     0x56a6669dc670 - std::panicking::catch_unwind::h60545927488899ea
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panicking.rs:553:19
[INFO] [stderr]     30:     0x56a6669dc670 - std::panic::catch_unwind::hd58020504305ae1d
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/panic.rs:359:14
[INFO] [stderr]     31:     0x56a6669dc670 - std::rt::lang_start_internal::h2ee79d1be614d639
[INFO] [stderr]                                  at /rustc/8c32e313cccf7df531e2d49ffb8227bb92304aee/library/std/src/rt.rs:171:5
[INFO] [stderr]     32:     0x56a6668700b1 - std::rt::lang_start::h403e07b5a6c72863
[INFO] [stderr]     33:     0x56a666871185 - main
[INFO] [stderr]     34:     0x7c12eeae91ca - <unknown>
[INFO] [stderr]     35:     0x7c12eeae928b - __libc_start_main
[INFO] [stderr]     36:     0x56a66686a485 - _start
[INFO] [stderr]     37:                0x0 - <unknown>
[INFO] running `Command { std: "docker" "inspect" "79bd4e30f6b3750c59ead4399fefab0cb28d0a869fee0fa97500c5eafa35390a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "79bd4e30f6b3750c59ead4399fefab0cb28d0a869fee0fa97500c5eafa35390a", kill_on_drop: false }`
[INFO] [stdout] 79bd4e30f6b3750c59ead4399fefab0cb28d0a869fee0fa97500c5eafa35390a