[INFO] crate guetzli-sys 0.0.3 is already in cache
[INFO] extracting crate guetzli-sys 0.0.3 into work/ex/beta-1.37-6/sources/1.36.0/reg/guetzli-sys/0.0.3
[INFO] extracting crate guetzli-sys 0.0.3 into work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/guetzli-sys/0.0.3
[INFO] validating manifest of guetzli-sys-0.0.3 on toolchain 1.36.0
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] validating manifest of guetzli-sys-0.0.3 on toolchain beta-2019-07-23
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started frobbing guetzli-sys-0.0.3
[INFO] finished frobbing guetzli-sys-0.0.3
[INFO] frobbed toml for guetzli-sys-0.0.3 written to work/ex/beta-1.37-6/sources/1.36.0/reg/guetzli-sys/0.0.3/Cargo.toml
[INFO] started frobbing guetzli-sys-0.0.3
[INFO] finished frobbing guetzli-sys-0.0.3
[INFO] frobbed toml for guetzli-sys-0.0.3 written to work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/guetzli-sys/0.0.3/Cargo.toml
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+1.36.0" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] running `"/mnt/big/crater/work/local/cargo-home/bin/cargo" "+beta-2019-07-23" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] testing guetzli-sys-0.0.3 against beta-2019-07-23 for beta-1.37-6
[INFO] running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/beta-1.37-6/worker-7/beta-2019-07-23:/opt/crater/target:rw,Z" "-v" "/mnt/big/crater/work/ex/beta-1.37-6/sources/beta-2019-07-23/reg/guetzli-sys/0.0.3:/opt/crater/workdir:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/opt/crater/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/opt/crater/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/opt/crater/workdir" "-e" "MAP_USER_ID=1000" "-e" "CARGO_TARGET_DIR=/opt/crater/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/crater/cargo-home" "-e" "RUSTUP_HOME=/opt/crater/rustup-home" "-w" "/opt/crater/workdir" "-m" "1536M" "--network" "none" "rustops/crates-build-env" "/opt/crater/cargo-home/bin/cargo" "+beta-2019-07-23" "build" "--frozen"`
[INFO] [stdout] ee5e83a36e3bc736690430c6d6b3e0cf58b8b9d6f8208fe4301bb9107dede743
[INFO] running `"docker" "start" "-a" "ee5e83a36e3bc736690430c6d6b3e0cf58b8b9d6f8208fe4301bb9107dede743"`
[INFO] [stderr]    Compiling cpp_synom v0.12.0
[INFO] [stderr]    Compiling cpp_syn v0.12.0
[INFO] [stderr]    Compiling cpp_synmap v0.3.0
[INFO] [stderr]    Compiling cpp_common v0.3.2
[INFO] [stderr]    Compiling cpp_macros v0.3.2
[INFO] [stderr]    Compiling cpp_build v0.3.2
[INFO] [stderr]    Compiling cpp v0.3.2
[INFO] [stderr]    Compiling guetzli-sys v0.0.3 (/opt/crater/workdir)
[INFO] [stderr] error: failed to run custom build command for `guetzli-sys v0.0.3 (/opt/crater/workdir)`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/crater/target/debug/build/guetzli-sys-9da38f8d4db31496/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] HOST = Some("x86_64-unknown-linux-gnu")
[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] CXX_x86_64-unknown-linux-gnu = None
[INFO] [stderr] CXX_x86_64_unknown_linux_gnu = None
[INFO] [stderr] HOST_CXX = None
[INFO] [stderr] CXX = None
[INFO] [stderr] HOST = 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: "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/opt/crater/workdir" "-I" "lib/guetzli" "-I" "lib/guetzli/third_party/butteraugli" "-w" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/guetzli-sys-dc3dddd5232b18bf/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/guetzli-sys-dc3dddd5232b18bf/out/rust_cpp/cpp_closures.cpp"
[INFO] [stderr] cargo:warning=/opt/crater/workdir/src/lib.rs:45:157: error: duplicate 'const'
[INFO] [stderr] cargo:warning= /// Use this for the guetzli's function's `quality` parameter
[INFO] [stderr] cargo:warning=                                                                                                                                                             ^    
[INFO] [stderr] cargo:warning=/opt/crater/workdir/src/lib.rs:125:139: error: duplicate 'const'
[INFO] [stderr] cargo:warning=  };
[INFO] [stderr] cargo:warning=                                                                                                                                           ^    
[INFO] [stderr] exit code: 1
[INFO] [stderr] 
[INFO] [stderr] --- stderr
[INFO] [stderr] thread 'main' panicked at '
[INFO] [stderr] 
[INFO] [stderr] Internal error occurred: Command "c++" "-O0" "-ffunction-sections" "-fdata-sections" "-fPIC" "-g" "-m64" "-I" "/opt/crater/workdir" "-I" "lib/guetzli" "-I" "lib/guetzli/third_party/butteraugli" "-w" "-Wall" "-Wextra" "-o" "/opt/crater/target/debug/build/guetzli-sys-dc3dddd5232b18bf/out/rust_cpp/cpp_closures.o" "-c" "/opt/crater/target/debug/build/guetzli-sys-dc3dddd5232b18bf/out/rust_cpp/cpp_closures.cpp" with args "c++" did not execute successfully (status code exit code: 1).
[INFO] [stderr] 
[INFO] [stderr] ', /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672:5
[INFO] [stderr] stack backtrace:
[INFO] [stderr]    0:     0x558d5c80e15b - backtrace::backtrace::libunwind::trace::h5dfa5d4c5feed6dc
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/libunwind.rs:88
[INFO] [stderr]    1:     0x558d5c80e15b - backtrace::backtrace::trace_unsynchronized::hb731fe64f3fa469f
[INFO] [stderr]                                at /cargo/registry/src/github.com-1ecc6299db9ec823/backtrace-0.3.29/src/backtrace/mod.rs:66
[INFO] [stderr]    2:     0x558d5c80e15b - std::sys_common::backtrace::_print::hf4fd45fe7ae4a250
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:47
[INFO] [stderr]    3:     0x558d5c80e15b - std::sys_common::backtrace::print::h31646c3786c57441
[INFO] [stderr]                                at src/libstd/sys_common/backtrace.rs:36
[INFO] [stderr]    4:     0x558d5c80e15b - std::panicking::default_hook::{{closure}}::hda785e768c746ae7
[INFO] [stderr]                                at src/libstd/panicking.rs:200
[INFO] [stderr]    5:     0x558d5c80de37 - std::panicking::default_hook::h0c4b76f338614ef1
[INFO] [stderr]                                at src/libstd/panicking.rs:214
[INFO] [stderr]    6:     0x558d5c80e8d0 - std::panicking::rust_panic_with_hook::h096dff2cb12b67ce
[INFO] [stderr]                                at src/libstd/panicking.rs:477
[INFO] [stderr]    7:     0x558d5c80e452 - std::panicking::continue_panic_fmt::h0046167652be99a6
[INFO] [stderr]                                at src/libstd/panicking.rs:384
[INFO] [stderr]    8:     0x558d5c80e39f - std::panicking::begin_panic_fmt::he65a2e8ff19d8ae0
[INFO] [stderr]                                at src/libstd/panicking.rs:339
[INFO] [stderr]    9:     0x558d5c5b6346 - gcc::fail::h8c08f77486876650
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:1672
[INFO] [stderr]   10:     0x558d5c5a5a0c - gcc::Build::compile::hf5f1167f0200ec04
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/gcc-0.3.55/src/lib.rs:785
[INFO] [stderr]   11:     0x558d5c4c3c01 - cpp_build::Config::build::h3e59b883d858cbbc
[INFO] [stderr]                                at /opt/crater/cargo-home/registry/src/github.com-1ecc6299db9ec823/cpp_build-0.3.2/src/lib.rs:484
[INFO] [stderr]   12:     0x558d5c4c4f4e - build_script_build::compileCPlusPlusGlueCode::h4512aa8c416503f4
[INFO] [stderr]                                at src/build.rs:24
[INFO] [stderr]   13:     0x558d5c4c4ea6 - build_script_build::main::h00dbf25643b070d0
[INFO] [stderr]                                at src/build.rs:18
[INFO] [stderr]   14:     0x558d5c4c4210 - std::rt::lang_start::{{closure}}::hd4dc5291fec8d201
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   15:     0x558d5c80e2d3 - std::rt::lang_start_internal::{{closure}}::h055e1fdc5578d418
[INFO] [stderr]                                at src/libstd/rt.rs:49
[INFO] [stderr]   16:     0x558d5c80e2d3 - std::panicking::try::do_call::h480cafa68c9928b4
[INFO] [stderr]                                at src/libstd/panicking.rs:296
[INFO] [stderr]   17:     0x558d5c816eaa - __rust_maybe_catch_panic
[INFO] [stderr]                                at src/libpanic_unwind/lib.rs:82
[INFO] [stderr]   18:     0x558d5c80ee9d - std::panicking::try::he0549d0299de204a
[INFO] [stderr]                                at src/libstd/panicking.rs:275
[INFO] [stderr]   19:     0x558d5c80ee9d - std::panic::catch_unwind::h422dc2db98f03517
[INFO] [stderr]                                at src/libstd/panic.rs:394
[INFO] [stderr]   20:     0x558d5c80ee9d - std::rt::lang_start_internal::h121de03325a3f900
[INFO] [stderr]                                at src/libstd/rt.rs:48
[INFO] [stderr]   21:     0x558d5c4c41e9 - std::rt::lang_start::h8c9b933d975f1d24
[INFO] [stderr]                                at /rustc/61d1607e0f6a18bb4897d6f9b10abeac9e11eb8e/src/libstd/rt.rs:64
[INFO] [stderr]   22:     0x558d5c4c53aa - main
[INFO] [stderr]   23:     0x7fca2f5502e1 - __libc_start_main
[INFO] [stderr]   24:     0x558d5c4bd2ba - _start
[INFO] [stderr]   25:                0x0 - <unknown>
[INFO] [stderr] 
[INFO] running `"docker" "inspect" "ee5e83a36e3bc736690430c6d6b3e0cf58b8b9d6f8208fe4301bb9107dede743"`
[INFO] running `"docker" "rm" "-f" "ee5e83a36e3bc736690430c6d6b3e0cf58b8b9d6f8208fe4301bb9107dede743"`
[INFO] [stdout] ee5e83a36e3bc736690430c6d6b3e0cf58b8b9d6f8208fe4301bb9107dede743